53 changed files with 1349 additions and 1119 deletions
@ -1,133 +0,0 @@ |
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package com.saitong.voitrans |
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|
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import android.content.Context |
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import android.content.Intent |
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import android.net.Uri |
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import android.os.Build |
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import android.provider.Settings |
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import io.flutter.embedding.engine.plugins.FlutterPlugin |
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import io.flutter.plugin.common.MethodCall |
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import io.flutter.plugin.common.MethodChannel |
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import io.flutter.plugin.common.MethodChannel.MethodCallHandler |
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import io.flutter.plugin.common.MethodChannel.Result |
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|
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class FloatingWindowPlugin: FlutterPlugin, MethodCallHandler { |
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private lateinit var channel: MethodChannel |
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private lateinit var context: Context |
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|
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override fun onAttachedToEngine(flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) { |
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context = flutterPluginBinding.applicationContext |
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channel = MethodChannel(flutterPluginBinding.binaryMessenger, "floating_window") |
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channel.setMethodCallHandler(this) |
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|
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// 设置回调通道 |
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FloatingWindowService.methodChannel = channel |
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} |
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|
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override fun onMethodCall(call: MethodCall, result: Result) { |
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when (call.method) { |
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"enableFloatingWindow" -> { |
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enableFloatingWindow(result) |
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} |
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"disableFloatingWindow" -> { |
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disableFloatingWindow(result) |
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} |
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"showFloatingWindow" -> { |
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showFloatingWindow(result) |
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} |
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"hideFloatingWindow" -> { |
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hideFloatingWindow(result) |
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} |
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"updateContent" -> { |
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updateContent(call, result) |
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} |
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"setPosition" -> { |
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setPosition(call, result) |
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} |
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else -> { |
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result.notImplemented() |
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} |
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} |
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} |
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|
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private fun enableFloatingWindow(result: Result) { |
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try { |
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val intent = Intent(context, FloatingWindowService::class.java) |
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context.startService(intent) |
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result.success(true) |
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} catch (e: Exception) { |
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result.error("ENABLE_ERROR", "Failed to enable floating window: ${e.message}", null) |
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} |
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} |
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|
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private fun disableFloatingWindow(result: Result) { |
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try { |
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val intent = Intent(context, FloatingWindowService::class.java) |
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context.stopService(intent) |
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result.success(true) |
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} catch (e: Exception) { |
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result.error("DISABLE_ERROR", "Failed to disable floating window: ${e.message}", null) |
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} |
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} |
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|
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private fun showFloatingWindow(result: Result) { |
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try { |
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// 服务已经在运行，不需要额外操作 |
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result.success(true) |
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} catch (e: Exception) { |
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result.error("SHOW_ERROR", "Failed to show floating window: ${e.message}", null) |
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} |
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} |
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private fun hideFloatingWindow(result: Result) { |
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try { |
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FloatingWindowService.serviceInstance?.stopSelf() |
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result.success(true) |
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} catch (e: Exception) { |
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result.error("HIDE_ERROR", "Failed to hide floating window: ${e.message}", null) |
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} |
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} |
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private fun updateContent(call: MethodCall, result: Result) { |
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try { |
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val args = call.arguments as? Map<String, Any> |
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if (args != null) { |
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val intent = Intent(context, FloatingWindowService::class.java).apply { |
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action = FloatingWindowService.ACTION_UPDATE_CONTENT |
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putExtra(FloatingWindowService.EXTRA_SOURCE_TEXT, args["sourceText"] as? String ?: "") |
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putExtra(FloatingWindowService.EXTRA_TRANSLATED_TEXT, args["translatedText"] as? String ?: "") |
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putExtra(FloatingWindowService.EXTRA_SOURCE_LANGUAGE, args["sourceLanguage"] as? String ?: "") |
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putExtra(FloatingWindowService.EXTRA_TARGET_LANGUAGE, args["targetLanguage"] as? String ?: "") |
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putExtra(FloatingWindowService.EXTRA_TIMESTAMP, (args["timestamp"] as? Number)?.toLong() ?: 0L) |
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putExtra(FloatingWindowService.EXTRA_IS_INTERMEDIATE, args["isIntermediate"] as? Boolean ?: false) |
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} |
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context.startService(intent) |
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} |
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result.success(true) |
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} catch (e: Exception) { |
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result.error("UPDATE_ERROR", "Failed to update content: ${e.message}", null) |
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} |
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} |
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private fun setPosition(call: MethodCall, result: Result) { |
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try { |
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val args = call.arguments as? Map<String, Any> |
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if (args != null) { |
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val intent = Intent(context, FloatingWindowService::class.java).apply { |
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action = FloatingWindowService.ACTION_SET_POSITION |
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putExtra(FloatingWindowService.EXTRA_X, (args["x"] as? Number)?.toInt() ?: 0) |
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putExtra(FloatingWindowService.EXTRA_Y, (args["y"] as? Number)?.toInt() ?: 0) |
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} |
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context.startService(intent) |
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} |
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result.success(true) |
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} catch (e: Exception) { |
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result.error("POSITION_ERROR", "Failed to set position: ${e.message}", null) |
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} |
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} |
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override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) { |
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channel.setMethodCallHandler(null) |
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FloatingWindowService.methodChannel = null |
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} |
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} |
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@ -1,378 +0,0 @@ |
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package com.saitong.voitrans |
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|
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import android.app.Service |
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import android.content.Intent |
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import android.graphics.PixelFormat |
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import android.os.Build |
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import android.os.IBinder |
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import android.view.* |
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import android.widget.TextView |
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import android.widget.ImageView |
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import android.widget.LinearLayout |
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import android.widget.FrameLayout |
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import androidx.cardview.widget.CardView |
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import io.flutter.plugin.common.MethodChannel |
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import java.text.SimpleDateFormat |
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import java.util.* |
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class FloatingWindowService : Service() { |
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private var windowManager: WindowManager? = null |
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private var floatingView: View? = null |
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private var isMinimized = true |
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private lateinit var layoutParams: WindowManager.LayoutParams |
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private lateinit var sourceTextView: TextView |
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private lateinit var translatedTextView: TextView |
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private lateinit var languageInfoView: TextView |
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private lateinit var timestampView: TextView |
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private lateinit var minimizedView: CardView |
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private lateinit var expandedView: CardView |
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companion object { |
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var methodChannel: MethodChannel? = null |
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var serviceInstance: FloatingWindowService? = null |
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const val ACTION_UPDATE_CONTENT = "UPDATE_CONTENT" |
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const val ACTION_SET_POSITION = "SET_POSITION" |
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const val EXTRA_SOURCE_TEXT = "source_text" |
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const val EXTRA_TRANSLATED_TEXT = "translated_text" |
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const val EXTRA_SOURCE_LANGUAGE = "source_language" |
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const val EXTRA_TARGET_LANGUAGE = "target_language" |
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const val EXTRA_TIMESTAMP = "timestamp" |
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const val EXTRA_IS_INTERMEDIATE = "is_intermediate" |
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const val EXTRA_X = "x" |
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const val EXTRA_Y = "y" |
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} |
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override fun onCreate() { |
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super.onCreate() |
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serviceInstance = this |
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createFloatingWindow() |
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} |
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { |
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when (intent?.action) { |
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ACTION_UPDATE_CONTENT -> updateContent(intent) |
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ACTION_SET_POSITION -> setPosition(intent) |
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} |
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return START_STICKY |
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} |
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override fun onBind(intent: Intent?): IBinder? = null |
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private fun createFloatingWindow() { |
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windowManager = getSystemService(WINDOW_SERVICE) as WindowManager |
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// 创建布局 |
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floatingView = createFloatingLayout() |
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// 初始化视图组件 |
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initViews() |
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// 设置点击事件 |
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setupClickListeners() |
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// 设置窗口参数 |
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layoutParams = WindowManager.LayoutParams().apply { |
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width = WindowManager.LayoutParams.WRAP_CONTENT |
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height = WindowManager.LayoutParams.WRAP_CONTENT |
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type = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { |
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WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY |
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} else { |
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WindowManager.LayoutParams.TYPE_PHONE |
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} |
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flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE or |
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WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN or |
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WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL |
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format = PixelFormat.TRANSLUCENT |
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gravity = Gravity.TOP or Gravity.START |
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x = 100 |
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y = 100 |
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} |
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windowManager?.addView(floatingView, layoutParams) |
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// 默认显示最小化状态 |
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updateViewState(true) |
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} |
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private fun createFloatingLayout(): View { |
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val context = this |
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val density = resources.displayMetrics.density |
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// 创建根布局 |
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val rootLayout = FrameLayout(context).apply { |
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layoutParams = ViewGroup.LayoutParams( |
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ViewGroup.LayoutParams.WRAP_CONTENT, |
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ViewGroup.LayoutParams.WRAP_CONTENT |
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) |
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} |
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// 创建最小化视图 |
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val minimizedCard = CardView(context).apply { |
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id = View.generateViewId() |
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layoutParams = FrameLayout.LayoutParams( |
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(60 * density).toInt(), |
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(60 * density).toInt() |
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).apply { |
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setMargins((8 * density).toInt(), (8 * density).toInt(), (8 * density).toInt(), (8 * density).toInt()) |
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} |
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radius = 30 * density |
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cardElevation = 8 * density |
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setCardBackgroundColor(0xFFE3F2FD.toInt()) |
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} |
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val minimizedContent = LinearLayout(context).apply { |
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orientation = LinearLayout.VERTICAL |
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gravity = Gravity.CENTER |
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layoutParams = ViewGroup.LayoutParams( |
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ViewGroup.LayoutParams.MATCH_PARENT, |
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ViewGroup.LayoutParams.MATCH_PARENT |
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) |
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} |
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val icon = TextView(context).apply { |
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text = "译" |
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textSize = 14f |
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setTextColor(0xFF1976D2.toInt()) |
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gravity = Gravity.CENTER |
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} |
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minimizedContent.addView(icon) |
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minimizedCard.addView(minimizedContent) |
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|
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// 创建展开视图 |
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val expandedCard = CardView(context).apply { |
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id = View.generateViewId() |
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layoutParams = FrameLayout.LayoutParams( |
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(320 * density).toInt(), |
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ViewGroup.LayoutParams.WRAP_CONTENT |
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).apply { |
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setMargins((8 * density).toInt(), (8 * density).toInt(), (8 * density).toInt(), (8 * density).toInt()) |
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} |
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radius = 16 * density |
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cardElevation = 12 * density |
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setCardBackgroundColor(0xFFFFFFFF.toInt()) |
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visibility = View.GONE |
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} |
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val expandedContent = LinearLayout(context).apply { |
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orientation = LinearLayout.VERTICAL |
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setPadding( |
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(16 * density).toInt(), |
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(16 * density).toInt(), |
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(16 * density).toInt(), |
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(16 * density).toInt() |
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) |
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} |
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// 标题栏 |
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val titleLayout = LinearLayout(context).apply { |
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orientation = LinearLayout.HORIZONTAL |
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gravity = Gravity.CENTER_VERTICAL |
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} |
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val titleText = TextView(context).apply { |
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text = "实时翻译" |
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textSize = 16f |
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setTextColor(0xFF333333.toInt()) |
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layoutParams = LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1f) |
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} |
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val closeButton = TextView(context).apply { |
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id = View.generateViewId() |
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text = "✕" |
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textSize = 18f |
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setTextColor(0xFF666666.toInt()) |
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gravity = Gravity.CENTER |
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setPadding((8 * density).toInt(), (8 * density).toInt(), (8 * density).toInt(), (8 * density).toInt()) |
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} |
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titleLayout.addView(titleText) |
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titleLayout.addView(closeButton) |
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|
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// 语言信息 |
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val languageInfo = TextView(context).apply { |
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id = View.generateViewId() |
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text = "中文 → 英文" |
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textSize = 12f |
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setTextColor(0xFF666666.toInt()) |
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setPadding(0, (8 * density).toInt(), 0, (8 * density).toInt()) |
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} |
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// 源文本 |
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val sourceText = TextView(context).apply { |
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id = View.generateViewId() |
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text = "正在识别..." |
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textSize = 14f |
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setTextColor(0xFF333333.toInt()) |
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setPadding(0, (8 * density).toInt(), 0, (4 * density).toInt()) |
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maxLines = 3 |
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} |
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|
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// 翻译文本 |
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val translatedText = TextView(context).apply { |
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id = View.generateViewId() |
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text = "翻译中..." |
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textSize = 14f |
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setTextColor(0xFF1976D2.toInt()) |
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setPadding(0, (4 * density).toInt(), 0, (8 * density).toInt()) |
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maxLines = 3 |
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} |
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|
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// 时间戳 |
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val timestamp = TextView(context).apply { |
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id = View.generateViewId() |
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text = "" |
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textSize = 10f |
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setTextColor(0xFF999999.toInt()) |
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gravity = Gravity.END |
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} |
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expandedContent.addView(titleLayout) |
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expandedContent.addView(languageInfo) |
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expandedContent.addView(sourceText) |
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expandedContent.addView(translatedText) |
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expandedContent.addView(timestamp) |
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expandedCard.addView(expandedContent) |
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rootLayout.addView(minimizedCard) |
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rootLayout.addView(expandedCard) |
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// 保存引用 |
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minimizedView = minimizedCard |
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expandedView = expandedCard |
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sourceTextView = sourceText |
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translatedTextView = translatedText |
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languageInfoView = languageInfo |
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timestampView = timestamp |
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return rootLayout |
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} |
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|
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private fun initViews() { |
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// Views are already initialized in createFloatingLayout |
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} |
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|
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private fun setupClickListeners() { |
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// 长按关闭 |
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floatingView!!.setOnLongClickListener { |
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closeFloatingWindow() |
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true |
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} |
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|
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// 拖拽功能 |
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setupDragListener() |
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} |
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|
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private fun setupDragListener() { |
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var initialX = 0 |
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var initialY = 0 |
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var initialTouchX = 0f |
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var initialTouchY = 0f |
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var dragging = false |
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val threshold = (4 * resources.displayMetrics.density).toInt() |
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floatingView!!.setOnTouchListener { _, event -> |
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when (event.action) { |
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MotionEvent.ACTION_DOWN -> { |
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initialX = layoutParams.x |
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initialY = layoutParams.y |
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initialTouchX = event.rawX |
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initialTouchY = event.rawY |
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dragging = false |
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true |
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} |
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MotionEvent.ACTION_MOVE -> { |
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val dx = (event.rawX - initialTouchX).toInt() |
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val dy = (event.rawY - initialTouchY).toInt() |
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if (Math.abs(dx) > threshold || Math.abs(dy) > threshold) dragging = true |
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val dm = resources.displayMetrics |
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val maxX = dm.widthPixels - (floatingView?.width ?: 0) |
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val maxY = dm.heightPixels - (floatingView?.height ?: 0) |
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layoutParams.x = (initialX + dx).coerceIn(0, maxX) |
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layoutParams.y = (initialY + dy).coerceIn(0, maxY) |
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windowManager?.updateViewLayout(floatingView, layoutParams) |
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true |
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} |
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MotionEvent.ACTION_UP -> { |
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if (!dragging) { |
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isMinimized = !isMinimized |
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updateViewState(isMinimized) |
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notifyStateChange(if (isMinimized) "minimized" else "expanded") |
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} |
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dragging = false |
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true |
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} |
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else -> true |
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} |
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} |
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} |
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|
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private fun updateViewState(minimized: Boolean) { |
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if (minimized) { |
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minimizedView.visibility = View.VISIBLE |
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expandedView.visibility = View.GONE |
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} else { |
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minimizedView.visibility = View.GONE |
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expandedView.visibility = View.VISIBLE |
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} |
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} |
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|
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private fun updateContent(intent: Intent) { |
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val sourceText = intent.getStringExtra(EXTRA_SOURCE_TEXT) ?: "" |
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val translatedText = intent.getStringExtra(EXTRA_TRANSLATED_TEXT) ?: "" |
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val sourceLanguage = intent.getStringExtra(EXTRA_SOURCE_LANGUAGE) ?: "" |
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val targetLanguage = intent.getStringExtra(EXTRA_TARGET_LANGUAGE) ?: "" |
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val timestamp = intent.getLongExtra(EXTRA_TIMESTAMP, 0) |
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val isIntermediate = intent.getBooleanExtra(EXTRA_IS_INTERMEDIATE, false) |
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// 更新UI |
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sourceTextView.text = if (sourceText.isNotEmpty()) sourceText else "正在识别..." |
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translatedTextView.text = if (translatedText.isNotEmpty()) translatedText else "翻译中..." |
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languageInfoView.text = "$sourceLanguage → $targetLanguage" |
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|
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if (timestamp > 0) { |
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val dateFormat = SimpleDateFormat("HH:mm:ss", Locale.getDefault()) |
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timestampView.text = dateFormat.format(Date(timestamp)) |
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} |
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|
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// 如果是中间结果，可以添加一些视觉提示 |
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if (isIntermediate) { |
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translatedTextView.alpha = 0.7f |
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} else { |
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translatedTextView.alpha = 1.0f |
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} |
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} |
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|
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private fun setPosition(intent: Intent) { |
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val x = intent.getIntExtra(EXTRA_X, 0) |
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val y = intent.getIntExtra(EXTRA_Y, 0) |
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|
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floatingView?.let { |
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layoutParams.x = x |
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layoutParams.y = y |
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windowManager?.updateViewLayout(it, layoutParams) |
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} |
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} |
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|
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private fun closeFloatingWindow() { |
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stopSelf() |
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notifyFloatingWindowClosed() |
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} |
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|
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private fun notifyStateChange(state: String) { |
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methodChannel?.invokeMethod("onFloatingWindowStateChanged", mapOf("state" to state)) |
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} |
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|
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private fun notifyFloatingWindowClosed() { |
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methodChannel?.invokeMethod("onFloatingWindowClosed", null) |
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} |
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|
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override fun onDestroy() { |
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floatingView?.let { windowManager?.removeView(it) } |
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serviceInstance = null |
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methodChannel = null |
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super.onDestroy() |
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} |
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} |
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@ -1,99 +0,0 @@ |
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package com.saitong.voitrans |
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|
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import android.content.Context |
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import android.content.Intent |
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import android.net.Uri |
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import android.os.Build |
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import android.content.pm.PackageManager |
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import android.provider.Settings |
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import io.flutter.embedding.engine.plugins.FlutterPlugin |
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import io.flutter.plugin.common.MethodCall |
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import io.flutter.plugin.common.MethodChannel |
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import io.flutter.plugin.common.MethodChannel.MethodCallHandler |
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import io.flutter.plugin.common.MethodChannel.Result |
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|
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class OverlayPermissionPlugin: FlutterPlugin, MethodCallHandler { |
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private lateinit var channel: MethodChannel |
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private lateinit var context: Context |
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|
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override fun onAttachedToEngine(flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) { |
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context = flutterPluginBinding.applicationContext |
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channel = MethodChannel(flutterPluginBinding.binaryMessenger, "overlay_permission") |
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channel.setMethodCallHandler(this) |
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} |
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|
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override fun onMethodCall(call: MethodCall, result: Result) { |
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when (call.method) { |
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"hasOverlayPermission" -> { |
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result.success(hasOverlayPermission()) |
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} |
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"requestOverlayPermission" -> { |
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requestOverlayPermission(result) |
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} |
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else -> { |
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result.notImplemented() |
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} |
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} |
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} |
|||
|
|||
private fun hasOverlayPermission(): Boolean { |
|||
return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
|||
Settings.canDrawOverlays(context) |
|||
} else { |
|||
true |
|||
} |
|||
} |
|||
|
|||
private fun requestOverlayPermission(result: Result) { |
|||
try { |
|||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
|||
if (hasOverlayPermission()) { |
|||
result.success(true) |
|||
return |
|||
} |
|||
|
|||
val openedBySystem = startActivitySafe( |
|||
Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION).apply { |
|||
data = Uri.parse("package:${context.packageName}") |
|||
} |
|||
) |
|||
if (openedBySystem) { |
|||
result.success(true) |
|||
return |
|||
} |
|||
|
|||
val openedByAppDetails = startActivitySafe( |
|||
Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS).apply { |
|||
data = Uri.parse("package:${context.packageName}") |
|||
} |
|||
) |
|||
if (openedByAppDetails) { |
|||
result.success(true) |
|||
return |
|||
} |
|||
|
|||
result.success(false) |
|||
} else { |
|||
result.success(true) |
|||
} |
|||
} catch (e: Exception) { |
|||
result.error("REQUEST_ERROR", "Failed to request overlay permission: ${e.message}", null) |
|||
} |
|||
} |
|||
|
|||
private fun startActivitySafe(intent: Intent): Boolean { |
|||
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) |
|||
val pm: PackageManager = context.packageManager |
|||
if (intent.resolveActivity(pm) == null) return false |
|||
return try { |
|||
context.startActivity(intent) |
|||
true |
|||
} catch (_: Exception) { |
|||
false |
|||
} |
|||
} |
|||
|
|||
override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) { |
|||
channel.setMethodCallHandler(null) |
|||
} |
|||
} |
|||
@ -0,0 +1,120 @@ |
|||
# floating_ui_plugin |
|||
|
|||
该目录是一个本地 Flutter 插件包，当前在项目中主要承担「悬浮 UI」相关的原生能力： |
|||
|
|||
- Android：翻译悬浮窗（系统悬浮窗 / overlay window）+ 录音悬浮条（计时/暂停/关闭）+ 悬浮窗权限检查/跳转。 |
|||
- iOS：为系统画中画（PiP）提供可渲染的原生内容 View，并支持动态更新翻译文本。 |
|||
|
|||
> 说明：Flutter 包名为 floating_ui_plugin（见本插件 pubspec.yaml），主工程通过 path 依赖引用本目录。 |
|||
|
|||
## 主要能力 |
|||
|
|||
### 1) Android 翻译悬浮窗（Translation Floating Window） |
|||
|
|||
- 通道：`MethodChannel('floating_window')` |
|||
- 原理：Flutter 调用通道方法 → Android 启动/更新 `FloatingWindowService` → service 通过系统 WindowManager 显示 overlay view。 |
|||
- 交互回传：service 会反向调用同一通道，把状态/点击/关闭事件回传给 Flutter。 |
|||
|
|||
支持的方法（Flutter → Android）： |
|||
- `enableFloatingWindow`：启动悬浮窗服务（如果已在运行，相当于确保存在）。 |
|||
- `disableFloatingWindow`：停止悬浮窗服务。 |
|||
- `showFloatingWindow`：显示悬浮窗（当前实现等价于启动服务）。 |
|||
- `hideFloatingWindow`：隐藏悬浮窗（stopSelf）。 |
|||
- `updateContent(Map)`：更新展示内容。 |
|||
- `setPosition({x,y})`：设置悬浮窗位置。 |
|||
|
|||
回传的方法（Android → Flutter）： |
|||
- `onFloatingWindowStateChanged({state})`：`hidden|minimized|expanded` |
|||
- `onFloatingWindowClosed()`：用户关闭。 |
|||
- `onFloatingWindowClicked()`：用户点击语言区域（service 内部会 bringAppToFront）。 |
|||
|
|||
数据协议（updateContent）： |
|||
- `sourceText` / `translatedText` |
|||
- `sourceLanguage` / `targetLanguage` |
|||
- `timestamp`（毫秒时间戳） |
|||
- `isIntermediate`（是否中间态） |
|||
|
|||
对应实现： |
|||
- Android 插件入口：[NativePlugin.kt](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/android/src/main/kotlin/com/example/native_plugin/NativePlugin.kt) |
|||
- 悬浮窗服务：[FloatingWindowService.kt](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/android/src/main/kotlin/com/example/native_plugin/FloatingWindowService.kt) |
|||
|
|||
### 2) Android 悬浮窗权限（Overlay Permission） |
|||
|
|||
- 通道：`MethodChannel('overlay_permission')` |
|||
- 方法： |
|||
- `hasOverlayPermission`：是否具备 SYSTEM_ALERT_WINDOW |
|||
- `requestOverlayPermission`：跳转系统页面申请 |
|||
|
|||
对应实现：[NativePlugin.kt](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/android/src/main/kotlin/com/example/native_plugin/NativePlugin.kt) |
|||
|
|||
### 3) Android 录音悬浮条（Recording Floating Bar） |
|||
|
|||
- 通道：`MethodChannel('native_plugin')` |
|||
- 原理：Flutter 下发 show/update/hide → Android 启动/更新 `RecordingFloatingService` → service 以 overlay 方式显示一个小型悬浮条。 |
|||
|
|||
支持的方法（Flutter → Android）： |
|||
- `showRecordingFloatingBar({duration, recordingType, isPaused})` |
|||
- `updateRecordingFloatingBar({duration, recordingType, isPaused})` |
|||
- `hideRecordingFloatingBar()` |
|||
|
|||
用户操作回传（Android → Flutter）： |
|||
- 事件通道：`EventChannel('native_plugin/recording_floating_actions')` |
|||
- action 字符串： |
|||
- `togglePause`：点击暂停/继续 |
|||
- `openMeetingRecord`：点击中间区域，拉起 App 并打开录音页 |
|||
- `closeFloatingBar`：关闭悬浮条 |
|||
|
|||
对应实现： |
|||
- 服务：[RecordingFloatingService.kt](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/android/src/main/kotlin/com/example/native_plugin/RecordingFloatingService.kt) |
|||
- 事件桥接：[NativePlugin.emitRecordingFloatingAction](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/android/src/main/kotlin/com/example/native_plugin/NativePlugin.kt#L26-L39) |
|||
|
|||
## iOS：PiP 内容 View（Picture-in-Picture Content View） |
|||
|
|||
- 通道：`MethodChannel('native_plugin')` |
|||
- 目标：创建一个用于 PiP 渲染的原生 `UIView`（`PlayerView`），并支持后续更新显示内容。 |
|||
|
|||
支持的方法： |
|||
- `createPipContentView()`：返回一个 `viewId`（本质是 PlayerView 的指针值）。 |
|||
- `updatePipContentView({viewId?, lang, cn, en})`：更新内容。 |
|||
- `disposePipContentView(viewId)`：释放。 |
|||
|
|||
对应实现： |
|||
- 插件入口：[NativePlugin.swift](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/ios/Classes/NativePlugin.swift) |
|||
- 具体 UI：[PlayerView.swift](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/ios/Classes/PlayerView.swift) |
|||
|
|||
## 在主工程中的调用链路（现状） |
|||
|
|||
### Android：翻译悬浮窗 |
|||
|
|||
- 入口：翻译页控制器 [TranslationController](file:///Users/liuxiamin/work/flutter_projects/deep_voice/lib/modules/translation/controllers/translation_controller.dart) |
|||
- `toggleFloatingWindow()` → `_enableFloatingWindow()` |
|||
- 管理器：[FloatingWindowManager](file:///Users/liuxiamin/work/flutter_projects/deep_voice/lib/core/services/floating_window_manager.dart) |
|||
- `enableFloatingWindow()`：先通过 [OverlayPermissionUtil](file:///Users/liuxiamin/work/flutter_projects/deep_voice/lib/core/utils/overlay_permission_util.dart) 请求权限，再调用 `TranslationFloatingWindowApi.enable()` |
|||
- `_setupMethodCallHandler()`：接收 `onFloatingWindowStateChanged/onFloatingWindowClicked/onFloatingWindowClosed` 并更新状态/路由跳转 |
|||
- 内容更新：`TranslationController._updateFloatingWindowWithTranslation()` → `FloatingWindowManager.updateFloatingWindowContent()` → `updateContent(Map)` |
|||
|
|||
### Android：录音悬浮条 |
|||
|
|||
- 入口：会议录音控制器 [MeetingRecordController](file:///Users/liuxiamin/work/flutter_projects/deep_voice/lib/modules/meeting/controllers/meeting_record_controller.dart) |
|||
- `showBackgroundRecordingIndicator()` → `_startAndroidRecordingFloatingBar()` → `NativePlugin.showRecordingFloatingBar()` |
|||
- 定时器每秒 `updateRecordingFloatingBar()` 更新 duration/isPaused |
|||
- `_setupRecordingFloatingBarActionListener()` 监听 `recordingFloatingActionStream` 并处理 `togglePause/openMeetingRecord/closeFloatingBar` |
|||
|
|||
### iOS：翻译悬浮显示（PiP） |
|||
|
|||
- 入口同样在 [TranslationController](file:///Users/liuxiamin/work/flutter_projects/deep_voice/lib/modules/translation/controllers/translation_controller.dart) |
|||
- `_startPip()`：`NativePlugin.createPipContentView()` → 将 viewId 传给第三方 PiP 组件的 `PipOptions.contentView` |
|||
- `_updateFloatingWindowWithTranslation()`：`NativePlugin.updatePipContentView({viewId, cn, en, lang})` |
|||
|
|||
## 权限与 Manifest |
|||
|
|||
- Android 需要：`android.permission.SYSTEM_ALERT_WINDOW` |
|||
- 本插件自带 AndroidManifest 声明（包含两项 service）： |
|||
- [android/src/main/AndroidManifest.xml](file:///Users/liuxiamin/work/flutter_projects/deep_voice/local_plugins/floating_ui_plugin/android/src/main/AndroidManifest.xml) |
|||
|
|||
## 平台差异与注意事项 |
|||
|
|||
- Android 与 iOS 的“悬浮显示”实现不同：Android 用系统悬浮窗；iOS 走系统 PiP。 |
|||
- `createPipContentView/updatePipContentView/disposePipContentView` 仅 iOS 实现；Android 侧没有实现这些 method，请务必用 `Platform.isIOS` 保护调用。 |
|||
- `floating_window` / `overlay_permission` / `native_plugin/recording_floating_actions` 都是固定通道名，避免在其他地方重复注册同名通道。 |
|||
- 工程 `android/app/src/main/kotlin/com/saitong/voitrans/` 下存在同名通道的旧实现文件（未在 MainActivity 注册），当前实际走的是本插件实现；如后续要启用 app 侧实现，需要先解决通道名冲突与 service 声明问题。 |
|||
@ -0,0 +1 @@ |
|||
rootProject.name = 'floating_ui_plugin' |
|||
@ -0,0 +1,220 @@ |
|||
import UIKit |
|||
|
|||
public class PlayerView: UIView { |
|||
private let titleLabel: UILabel = UILabel() |
|||
private let langLabel: UILabel = UILabel() |
|||
private let langContainer: UIView = UIView() |
|||
private let cnLabel: UILabel = UILabel() |
|||
private let enLabel: UILabel = UILabel() |
|||
private let stackView: UIStackView |
|||
private var lastDynamicTextLines: Int = -1 |
|||
private let langRow: UIStackView = UIStackView() |
|||
private var lastBoundsSize: CGSize = .zero |
|||
private var lastLangText: String? = nil |
|||
private var isExpanded: Bool = false |
|||
private let compactPreferredHeight: CGFloat = 72 |
|||
private let expandedPreferredHeight: CGFloat = 220 |
|||
|
|||
public override init(frame: CGRect) { |
|||
stackView = UIStackView() |
|||
super.init(frame: frame) |
|||
setupUI() |
|||
} |
|||
|
|||
public convenience init() { |
|||
self.init(frame: .zero) |
|||
} |
|||
|
|||
required init?(coder: NSCoder) { |
|||
stackView = UIStackView() |
|||
super.init(coder: coder) |
|||
setupUI() |
|||
} |
|||
|
|||
private func setupUI() { |
|||
backgroundColor = UIColor(red: 40.0 / 255.0, green: 40.0 / 255.0, blue: 40.0 / 255.0, alpha: 90.0 / 255.0) |
|||
layer.cornerRadius = 16 |
|||
layer.borderWidth = 1 |
|||
layer.borderColor = UIColor(white: 1.0, alpha: 46.0 / 255.0).cgColor |
|||
layer.shadowColor = UIColor.black.cgColor |
|||
layer.shadowOpacity = 0.35 |
|||
layer.shadowRadius = 12 |
|||
layer.shadowOffset = CGSize(width: 0, height: 4) |
|||
|
|||
titleLabel.text = "实时翻译" |
|||
titleLabel.font = .boldSystemFont(ofSize: 22) |
|||
titleLabel.textColor = UIColor(white: 1.0, alpha: 235.0 / 255.0) |
|||
titleLabel.textAlignment = .center |
|||
titleLabel.numberOfLines = 1 |
|||
titleLabel.isHidden = true |
|||
|
|||
langLabel.text = "src -> tgt" |
|||
langLabel.font = .systemFont(ofSize: 12) |
|||
langLabel.textColor = UIColor(white: 1.0, alpha: 235.0 / 255.0) |
|||
langLabel.textAlignment = .center |
|||
langLabel.numberOfLines = 1 |
|||
langLabel.lineBreakMode = .byTruncatingTail |
|||
langLabel.translatesAutoresizingMaskIntoConstraints = false |
|||
langLabel.setContentHuggingPriority(.required, for: .horizontal) |
|||
langLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal) |
|||
|
|||
langContainer.backgroundColor = UIColor(white: 1.0, alpha: 36.0 / 255.0) |
|||
langContainer.layer.cornerRadius = 10 |
|||
langContainer.translatesAutoresizingMaskIntoConstraints = false |
|||
langContainer.setContentHuggingPriority(.required, for: .horizontal) |
|||
langContainer.setContentCompressionResistancePriority(.required, for: .horizontal) |
|||
langContainer.addSubview(langLabel) |
|||
NSLayoutConstraint.activate([ |
|||
langLabel.topAnchor.constraint(equalTo: langContainer.topAnchor, constant: 6), |
|||
langLabel.leadingAnchor.constraint(equalTo: langContainer.leadingAnchor, constant: 10), |
|||
langLabel.trailingAnchor.constraint(equalTo: langContainer.trailingAnchor, constant: -10), |
|||
langLabel.bottomAnchor.constraint(equalTo: langContainer.bottomAnchor, constant: -6), |
|||
]) |
|||
|
|||
cnLabel.font = .systemFont(ofSize: 14) |
|||
cnLabel.textColor = UIColor(white: 1.0, alpha: 235.0 / 255.0) |
|||
cnLabel.textAlignment = .left |
|||
cnLabel.numberOfLines = 0 |
|||
cnLabel.lineBreakMode = .byTruncatingTail |
|||
cnLabel.isHidden = true |
|||
|
|||
enLabel.font = .systemFont(ofSize: 15) |
|||
enLabel.textColor = UIColor(red: 144.0 / 255.0, green: 202.0 / 255.0, blue: 249.0 / 255.0, alpha: 1.0) |
|||
enLabel.textAlignment = .left |
|||
enLabel.numberOfLines = 0 |
|||
enLabel.lineBreakMode = .byTruncatingTail |
|||
enLabel.isHidden = true |
|||
|
|||
let para = NSMutableParagraphStyle() |
|||
para.lineSpacing = 2 |
|||
para.lineHeightMultiple = 1.1 |
|||
cnLabel.attributedText = NSAttributedString(string: "", attributes: [.paragraphStyle: para]) |
|||
enLabel.attributedText = NSAttributedString(string: "", attributes: [.paragraphStyle: para]) |
|||
|
|||
stackView.axis = .vertical |
|||
stackView.spacing = 10 |
|||
stackView.alignment = .fill |
|||
stackView.distribution = .fill |
|||
stackView.translatesAutoresizingMaskIntoConstraints = false |
|||
stackView.addArrangedSubview(titleLabel) |
|||
langRow.axis = .horizontal |
|||
langRow.alignment = .fill |
|||
langRow.distribution = .fill |
|||
langRow.translatesAutoresizingMaskIntoConstraints = false |
|||
let leftSpacer = UIView() |
|||
let rightSpacer = UIView() |
|||
leftSpacer.translatesAutoresizingMaskIntoConstraints = false |
|||
rightSpacer.translatesAutoresizingMaskIntoConstraints = false |
|||
langRow.addArrangedSubview(leftSpacer) |
|||
langRow.addArrangedSubview(langContainer) |
|||
langRow.addArrangedSubview(rightSpacer) |
|||
NSLayoutConstraint.activate([ |
|||
leftSpacer.widthAnchor.constraint(equalTo: rightSpacer.widthAnchor), |
|||
]) |
|||
stackView.addArrangedSubview(langRow) |
|||
stackView.addArrangedSubview(cnLabel) |
|||
stackView.addArrangedSubview(enLabel) |
|||
|
|||
layoutMargins = UIEdgeInsets(top: 10, left: 16, bottom: 10, right: 16) |
|||
addSubview(stackView) |
|||
|
|||
let guide = layoutMarginsGuide |
|||
NSLayoutConstraint.activate([ |
|||
stackView.topAnchor.constraint(equalTo: guide.topAnchor), |
|||
stackView.leadingAnchor.constraint(equalTo: guide.leadingAnchor), |
|||
stackView.trailingAnchor.constraint(equalTo: guide.trailingAnchor), |
|||
stackView.bottomAnchor.constraint(lessThanOrEqualTo: guide.bottomAnchor), |
|||
]) |
|||
} |
|||
|
|||
public func play() { |
|||
} |
|||
|
|||
public func pause() { |
|||
} |
|||
|
|||
public func update(withLang lang: String?, cn: String?, en: String?) { |
|||
if let lang = lang { |
|||
langLabel.text = lang |
|||
} |
|||
let para = NSMutableParagraphStyle() |
|||
para.lineSpacing = 2 |
|||
para.lineHeightMultiple = 1.1 |
|||
if let cn = cn { |
|||
cnLabel.attributedText = NSAttributedString(string: cn, attributes: [.paragraphStyle: para]) |
|||
} |
|||
if let en = en { |
|||
enLabel.attributedText = NSAttributedString(string: en, attributes: [.paragraphStyle: para]) |
|||
} |
|||
let currentCn = cnLabel.attributedText?.string ?? "" |
|||
let currentEn = enLabel.attributedText?.string ?? "" |
|||
let hasContent = |
|||
!currentCn.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty |
|||
|| !currentEn.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty |
|||
setExpanded(hasContent) |
|||
setNeedsLayout() |
|||
} |
|||
|
|||
public override var intrinsicContentSize: CGSize { |
|||
CGSize(width: UIView.noIntrinsicMetric, height: isExpanded ? expandedPreferredHeight : compactPreferredHeight) |
|||
} |
|||
|
|||
public override func layoutSubviews() { |
|||
super.layoutSubviews() |
|||
layer.cornerRadius = isExpanded ? 16 : 18 |
|||
layer.shadowPath = UIBezierPath(roundedRect: bounds, cornerRadius: layer.cornerRadius).cgPath |
|||
let currentLangText = langLabel.text |
|||
if bounds.size != lastBoundsSize || currentLangText != lastLangText { |
|||
lastBoundsSize = bounds.size |
|||
lastLangText = currentLangText |
|||
updateDynamicTextLineLimit() |
|||
} |
|||
} |
|||
|
|||
private func setExpanded(_ expanded: Bool) { |
|||
if expanded == isExpanded { return } |
|||
isExpanded = expanded |
|||
cnLabel.isHidden = !expanded |
|||
enLabel.isHidden = !expanded |
|||
layoutMargins = expanded |
|||
? UIEdgeInsets(top: 16, left: 16, bottom: 16, right: 16) |
|||
: UIEdgeInsets(top: 10, left: 16, bottom: 10, right: 16) |
|||
invalidateIntrinsicContentSize() |
|||
} |
|||
|
|||
private func updateDynamicTextLineLimit() { |
|||
let fittingWidth = max(0, bounds.width - layoutMargins.left - layoutMargins.right) |
|||
if fittingWidth <= 0 { return } |
|||
|
|||
let visibleArrangedSubviews = stackView.arrangedSubviews.filter { !$0.isHidden } |
|||
let fixedSubviews = visibleArrangedSubviews.filter { $0 !== cnLabel && $0 !== enLabel } |
|||
let fixedHeight = fixedSubviews.reduce(CGFloat(0)) { partialResult, view in |
|||
partialResult |
|||
+ view.systemLayoutSizeFitting( |
|||
CGSize(width: fittingWidth, height: UIView.layoutFittingCompressedSize.height), |
|||
withHorizontalFittingPriority: .required, |
|||
verticalFittingPriority: .fittingSizeLevel |
|||
).height |
|||
} |
|||
let totalSpacing = CGFloat(max(0, visibleArrangedSubviews.count - 1)) * stackView.spacing |
|||
|
|||
let availableHeight = |
|||
bounds.height |
|||
- layoutMargins.top |
|||
- layoutMargins.bottom |
|||
- fixedHeight |
|||
- totalSpacing |
|||
|
|||
let cnLineHeight = cnLabel.font.lineHeight * 1.1 + 2 |
|||
let enLineHeight = enLabel.font.lineHeight * 1.1 + 2 |
|||
let combinedLineHeight = cnLineHeight + enLineHeight |
|||
|
|||
let perLabelLines = max(1, min(Int(availableHeight / combinedLineHeight), 10)) |
|||
|
|||
if perLabelLines != lastDynamicTextLines { |
|||
lastDynamicTextLines = perLabelLines |
|||
cnLabel.numberOfLines = perLabelLines |
|||
enLabel.numberOfLines = perLabelLines |
|||
} |
|||
} |
|||
} |
|||
@ -1,15 +0,0 @@ |
|||
# native_plugin |
|||
|
|||
A new Flutter plugin project. |
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|
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## Getting Started |
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|
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This project is a starting point for a Flutter |
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[plug-in package](https://flutter.dev/to/develop-plugins), |
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a specialized package that includes platform-specific implementation code for |
|||
Android and/or iOS. |
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|
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For help getting started with Flutter development, view the |
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[online documentation](https://docs.flutter.dev), which offers tutorials, |
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samples, guidance on mobile development, and a full API reference. |
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|
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@ -1 +0,0 @@ |
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rootProject.name = 'native_plugin' |
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@ -1,98 +0,0 @@ |
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import UIKit |
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|
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public class PlayerView: UIView { |
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private let titleLabel: UILabel = UILabel() |
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private let langLabel: UILabel = UILabel() |
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private let cnLabel: UILabel = UILabel() |
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private let enLabel: UILabel = UILabel() |
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private let stackView: UIStackView |
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|
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public override init(frame: CGRect) { |
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stackView = UIStackView() |
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super.init(frame: frame) |
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setupUI() |
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} |
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|
|||
public convenience init() { |
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self.init(frame: .zero) |
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} |
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|
|||
required init?(coder: NSCoder) { |
|||
stackView = UIStackView() |
|||
super.init(coder: coder) |
|||
setupUI() |
|||
} |
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|
|||
private func setupUI() { |
|||
backgroundColor = .white |
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|
|||
titleLabel.text = "实时翻译" |
|||
titleLabel.font = .boldSystemFont(ofSize: 22) |
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titleLabel.textColor = .black |
|||
titleLabel.textAlignment = .center |
|||
titleLabel.numberOfLines = 1 |
|||
|
|||
langLabel.text = "中文(简体) -> 英语" |
|||
langLabel.font = .systemFont(ofSize: 14) |
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langLabel.textColor = .darkGray |
|||
langLabel.textAlignment = .left |
|||
langLabel.numberOfLines = 1 |
|||
|
|||
cnLabel.font = .systemFont(ofSize: 18) |
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cnLabel.textColor = .black |
|||
cnLabel.textAlignment = .left |
|||
cnLabel.numberOfLines = 0 |
|||
|
|||
enLabel.font = .systemFont(ofSize: 18) |
|||
enLabel.textColor = UIColor(red: 0.24, green: 0.54, blue: 0.90, alpha: 1.0) |
|||
enLabel.textAlignment = .left |
|||
enLabel.numberOfLines = 0 |
|||
|
|||
let para = NSMutableParagraphStyle() |
|||
para.lineSpacing = 4 |
|||
cnLabel.attributedText = NSAttributedString(string: "正在识别...", attributes: [.paragraphStyle: para]) |
|||
enLabel.attributedText = NSAttributedString(string: "翻译中...", attributes: [.paragraphStyle: para]) |
|||
|
|||
stackView.axis = .vertical |
|||
stackView.spacing = 12 |
|||
stackView.alignment = .fill |
|||
stackView.distribution = .fill |
|||
stackView.translatesAutoresizingMaskIntoConstraints = false |
|||
stackView.addArrangedSubview(titleLabel) |
|||
stackView.addArrangedSubview(langLabel) |
|||
stackView.addArrangedSubview(cnLabel) |
|||
stackView.addArrangedSubview(enLabel) |
|||
|
|||
layoutMargins = UIEdgeInsets(top: 16, left: 16, bottom: 16, right: 16) |
|||
addSubview(stackView) |
|||
|
|||
let guide = layoutMarginsGuide |
|||
NSLayoutConstraint.activate([ |
|||
stackView.topAnchor.constraint(equalTo: guide.topAnchor), |
|||
stackView.leadingAnchor.constraint(equalTo: guide.leadingAnchor), |
|||
stackView.trailingAnchor.constraint(equalTo: guide.trailingAnchor), |
|||
stackView.bottomAnchor.constraint(lessThanOrEqualTo: guide.bottomAnchor), |
|||
]) |
|||
} |
|||
|
|||
public func play() { |
|||
} |
|||
|
|||
public func pause() { |
|||
} |
|||
|
|||
public func update(withLang lang: String?, cn: String?, en: String?) { |
|||
if let lang = lang { |
|||
langLabel.text = lang |
|||
} |
|||
let para = NSMutableParagraphStyle() |
|||
para.lineSpacing = 4 |
|||
if let cn = cn { |
|||
cnLabel.attributedText = NSAttributedString(string: cn, attributes: [.paragraphStyle: para]) |
|||
} |
|||
if let en = en { |
|||
enLabel.attributedText = NSAttributedString(string: en, attributes: [.paragraphStyle: para]) |
|||
} |
|||
} |
|||
} |
|||
|
|||
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Reference in new issue