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将原生插件native_plugin重构为floating_ui_plugin，实现悬浮窗服务独立管理 新增悬浮窗状态管理及内容更新功能，优化代码结构 移除主工程中冗余的悬浮窗相关代码，统一通过插件管理newdev_shunjiawei
lxm
9 months ago
13 changed files with 646 additions and 31 deletions
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package com.example.native_plugin; |
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import android.app.Service; |
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import android.content.Intent; |
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import android.graphics.Color; |
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import android.graphics.PixelFormat; |
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import android.graphics.Typeface; |
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import android.graphics.drawable.GradientDrawable; |
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import android.os.Build; |
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import android.os.IBinder; |
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import android.text.TextUtils; |
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import android.util.TypedValue; |
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import android.view.Gravity; |
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import android.view.MotionEvent; |
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import android.view.View; |
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import android.view.ViewConfiguration; |
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import android.view.ViewGroup; |
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import android.view.WindowManager; |
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import android.widget.FrameLayout; |
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import android.widget.LinearLayout; |
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import android.widget.TextView; |
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import androidx.annotation.Nullable; |
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import java.text.SimpleDateFormat; |
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import java.util.Date; |
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import java.util.HashMap; |
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import java.util.Locale; |
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import java.util.Map; |
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import io.flutter.plugin.common.MethodChannel; |
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public class FloatingWindowService extends Service { |
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static final String ACTION_UPDATE_CONTENT = "UPDATE_CONTENT"; |
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static final String ACTION_SET_POSITION = "SET_POSITION"; |
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static final String EXTRA_SOURCE_TEXT = "source_text"; |
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static final String EXTRA_TRANSLATED_TEXT = "translated_text"; |
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static final String EXTRA_SOURCE_LANGUAGE = "source_language"; |
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static final String EXTRA_TARGET_LANGUAGE = "target_language"; |
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static final String EXTRA_TIMESTAMP = "timestamp"; |
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static final String EXTRA_IS_INTERMEDIATE = "is_intermediate"; |
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static final String EXTRA_X = "x"; |
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static final String EXTRA_Y = "y"; |
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static volatile MethodChannel methodChannel; |
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static volatile FloatingWindowService serviceInstance; |
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private WindowManager windowManager; |
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private View floatingView; |
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private WindowManager.LayoutParams layoutParams; |
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private boolean isMinimized = true; |
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private TextView sourceTextView; |
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private TextView translatedTextView; |
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private TextView languageInfoView; |
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private TextView timestampView; |
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private View minimizedView; |
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private View expandedView; |
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private TextView closeButton; |
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@Override |
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public void 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 |
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public int onStartCommand(Intent intent, int flags, int startId) { |
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if (intent != null) { |
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String action = intent.getAction(); |
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if (ACTION_UPDATE_CONTENT.equals(action)) { |
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updateContent(intent); |
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} else if (ACTION_SET_POSITION.equals(action)) { |
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setPosition(intent); |
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} |
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} |
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return START_STICKY; |
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} |
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@Nullable |
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@Override |
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public IBinder onBind(Intent intent) { |
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return null; |
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} |
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@Override |
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public void onDestroy() { |
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removeFloatingWindow(); |
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serviceInstance = null; |
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super.onDestroy(); |
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} |
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private void createFloatingWindow() { |
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windowManager = (WindowManager) getSystemService(WINDOW_SERVICE); |
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if (windowManager == null) return; |
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floatingView = createFloatingLayout(); |
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initViews(); |
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setupClickListeners(); |
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setupDragListener(); |
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layoutParams = new WindowManager.LayoutParams( |
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WindowManager.LayoutParams.WRAP_CONTENT, |
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WindowManager.LayoutParams.WRAP_CONTENT, |
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Build.VERSION.SDK_INT >= Build.VERSION_CODES.O |
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? WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY |
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: WindowManager.LayoutParams.TYPE_PHONE, |
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WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
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| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
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| WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL, |
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PixelFormat.TRANSLUCENT |
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); |
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layoutParams.gravity = Gravity.TOP | Gravity.START; |
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layoutParams.x = dp(100); |
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layoutParams.y = dp(100); |
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windowManager.addView(floatingView, layoutParams); |
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updateViewState(true); |
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} |
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private View createFloatingLayout() { |
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FrameLayout root = new FrameLayout(this); |
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root.setLayoutParams(new 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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minimizedView = createMinimizedView(); |
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expandedView = createExpandedView(); |
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root.addView(minimizedView); |
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root.addView(expandedView); |
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return root; |
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} |
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private View createMinimizedView() { |
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FrameLayout container = new FrameLayout(this); |
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FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(dp(60), dp(60)); |
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int margin = dp(8); |
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lp.setMargins(margin, margin, margin, margin); |
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container.setLayoutParams(lp); |
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GradientDrawable bg = new GradientDrawable(); |
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bg.setColor(0xFFE3F2FD); |
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bg.setCornerRadius(dp(30)); |
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container.setBackground(bg); |
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container.setElevation(dp(8)); |
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TextView icon = new TextView(this); |
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icon.setText("译"); |
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icon.setTextColor(0xFF1976D2); |
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icon.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14); |
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icon.setGravity(Gravity.CENTER); |
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icon.setTypeface(Typeface.DEFAULT_BOLD); |
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container.addView(icon, new FrameLayout.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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return container; |
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} |
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private View createExpandedView() { |
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LinearLayout container = new LinearLayout(this); |
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FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(dp(320), ViewGroup.LayoutParams.WRAP_CONTENT); |
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int margin = dp(8); |
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lp.setMargins(margin, margin, margin, margin); |
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container.setLayoutParams(lp); |
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container.setOrientation(LinearLayout.VERTICAL); |
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container.setPadding(dp(16), dp(16), dp(16), dp(16)); |
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container.setVisibility(View.GONE); |
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container.setElevation(dp(12)); |
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GradientDrawable bg = new GradientDrawable(); |
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bg.setColor(Color.WHITE); |
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bg.setCornerRadius(dp(16)); |
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container.setBackground(bg); |
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LinearLayout titleRow = new LinearLayout(this); |
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titleRow.setOrientation(LinearLayout.HORIZONTAL); |
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titleRow.setGravity(Gravity.CENTER_VERTICAL); |
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titleRow.setLayoutParams(new LinearLayout.LayoutParams( |
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ViewGroup.LayoutParams.MATCH_PARENT, |
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ViewGroup.LayoutParams.WRAP_CONTENT |
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)); |
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TextView title = new TextView(this); |
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title.setText("实时翻译"); |
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title.setTextColor(0xFF333333); |
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title.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16); |
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title.setTypeface(Typeface.DEFAULT_BOLD); |
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LinearLayout.LayoutParams titleLp = new LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1f); |
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title.setLayoutParams(titleLp); |
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closeButton = new TextView(this); |
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closeButton.setText("✕"); |
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closeButton.setTextColor(0xFF666666); |
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closeButton.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18); |
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closeButton.setGravity(Gravity.CENTER); |
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closeButton.setPadding(dp(8), dp(8), dp(8), dp(8)); |
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titleRow.addView(title); |
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titleRow.addView(closeButton); |
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languageInfoView = new TextView(this); |
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languageInfoView.setText("中文 → 英文"); |
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languageInfoView.setTextColor(0xFF666666); |
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languageInfoView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 12); |
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languageInfoView.setPadding(0, dp(8), 0, dp(8)); |
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sourceTextView = new TextView(this); |
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sourceTextView.setText("正在识别..."); |
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sourceTextView.setTextColor(0xFF333333); |
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sourceTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14); |
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sourceTextView.setPadding(0, dp(8), 0, dp(4)); |
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sourceTextView.setMaxLines(3); |
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sourceTextView.setEllipsize(TextUtils.TruncateAt.END); |
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translatedTextView = new TextView(this); |
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translatedTextView.setText("翻译中..."); |
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translatedTextView.setTextColor(0xFF1976D2); |
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translatedTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 14); |
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translatedTextView.setPadding(0, dp(4), 0, dp(8)); |
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translatedTextView.setMaxLines(3); |
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translatedTextView.setEllipsize(TextUtils.TruncateAt.END); |
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timestampView = new TextView(this); |
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timestampView.setText(""); |
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timestampView.setTextColor(0xFF999999); |
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timestampView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 10); |
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timestampView.setGravity(Gravity.END); |
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container.addView(titleRow); |
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container.addView(languageInfoView); |
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container.addView(sourceTextView); |
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container.addView(translatedTextView); |
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container.addView(timestampView); |
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return container; |
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} |
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private void initViews() { |
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if (!(floatingView instanceof ViewGroup)) return; |
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// Views already created and stored in fields
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} |
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private void setupClickListeners() { |
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if (floatingView != null) { |
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floatingView.setOnLongClickListener(v -> { |
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stopSelf(); |
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notifyClosed(); |
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return true; |
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}); |
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} |
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if (closeButton != null) { |
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closeButton.setOnClickListener(v -> { |
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stopSelf(); |
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notifyClosed(); |
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}); |
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} |
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} |
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private void setupDragListener() { |
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if (floatingView == null) return; |
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final int threshold = dp(4); |
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floatingView.setOnTouchListener(new View.OnTouchListener() { |
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private int initialX; |
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private int initialY; |
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private float initialTouchX; |
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private float initialTouchY; |
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private boolean dragging; |
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@Override |
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public boolean onTouch(View v, MotionEvent event) { |
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if (layoutParams == null || windowManager == null) return false; |
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switch (event.getAction()) { |
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case MotionEvent.ACTION_DOWN: |
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initialX = layoutParams.x; |
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initialY = layoutParams.y; |
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initialTouchX = event.getRawX(); |
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initialTouchY = event.getRawY(); |
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dragging = false; |
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return true; |
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case MotionEvent.ACTION_MOVE: { |
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int dx = (int) (event.getRawX() - initialTouchX); |
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int dy = (int) (event.getRawY() - initialTouchY); |
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if (!dragging && (Math.abs(dx) > threshold || Math.abs(dy) > threshold)) { |
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dragging = true; |
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} |
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final int maxX = getResources().getDisplayMetrics().widthPixels - (floatingView == null ? 0 : floatingView.getWidth()); |
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final int maxY = getResources().getDisplayMetrics().heightPixels - (floatingView == null ? 0 : floatingView.getHeight()); |
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int nextX = initialX + dx; |
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int nextY = initialY + dy; |
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if (maxX > 0) nextX = Math.max(0, Math.min(nextX, maxX)); |
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if (maxY > 0) nextY = Math.max(0, Math.min(nextY, maxY)); |
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layoutParams.x = nextX; |
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layoutParams.y = nextY; |
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windowManager.updateViewLayout(floatingView, layoutParams); |
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return true; |
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} |
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case MotionEvent.ACTION_UP: |
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if (!dragging) { |
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updateViewState(!isMinimized); |
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} |
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dragging = false; |
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return true; |
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default: |
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return false; |
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} |
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} |
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}); |
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} |
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private void updateViewState(boolean minimized) { |
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isMinimized = minimized; |
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if (minimizedView != null) minimizedView.setVisibility(minimized ? View.VISIBLE : View.GONE); |
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if (expandedView != null) expandedView.setVisibility(minimized ? View.GONE : View.VISIBLE); |
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notifyStateChanged(minimized ? "minimized" : "expanded"); |
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} |
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private void updateContent(Intent intent) { |
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String sourceText = intent.getStringExtra(EXTRA_SOURCE_TEXT); |
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String translatedText = intent.getStringExtra(EXTRA_TRANSLATED_TEXT); |
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String sourceLang = intent.getStringExtra(EXTRA_SOURCE_LANGUAGE); |
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String targetLang = intent.getStringExtra(EXTRA_TARGET_LANGUAGE); |
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long timestamp = intent.getLongExtra(EXTRA_TIMESTAMP, 0L); |
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boolean isIntermediate = intent.getBooleanExtra(EXTRA_IS_INTERMEDIATE, false); |
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if (languageInfoView != null) { |
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String langText = (sourceLang == null ? "" : sourceLang) + " → " + (targetLang == null ? "" : targetLang); |
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languageInfoView.setText(langText); |
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} |
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if (sourceTextView != null) { |
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String value = sourceText == null ? "" : sourceText; |
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sourceTextView.setText(TextUtils.isEmpty(value) ? "正在识别..." : value); |
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} |
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if (translatedTextView != null) { |
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String value = translatedText == null ? "" : translatedText; |
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translatedTextView.setText(TextUtils.isEmpty(value) ? "翻译中..." : value); |
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translatedTextView.setAlpha(isIntermediate ? 0.7f : 1.0f); |
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} |
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if (timestampView != null) { |
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timestampView.setText(timestamp > 0 ? formatTimestamp(timestamp) : ""); |
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} |
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if (isMinimized) { |
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// keep minimized, content updated for next expand
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} |
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} |
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private void setPosition(Intent intent) { |
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if (layoutParams == null || windowManager == null) return; |
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int x = intent.getIntExtra(EXTRA_X, layoutParams.x); |
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int y = intent.getIntExtra(EXTRA_Y, layoutParams.y); |
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layoutParams.x = x; |
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layoutParams.y = y; |
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windowManager.updateViewLayout(floatingView, layoutParams); |
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} |
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private void removeFloatingWindow() { |
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if (windowManager != null && floatingView != null) { |
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try { |
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windowManager.removeView(floatingView); |
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} catch (Exception ignored) { |
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} |
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floatingView = null; |
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} |
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notifyStateChanged("hidden"); |
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} |
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private void notifyStateChanged(String state) { |
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MethodChannel channel = methodChannel; |
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if (channel == null) return; |
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Map<String, Object> args = new HashMap<>(); |
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args.put("state", state); |
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channel.invokeMethod("onFloatingWindowStateChanged", args); |
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} |
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private void notifyClosed() { |
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MethodChannel channel = methodChannel; |
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if (channel == null) return; |
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channel.invokeMethod("onFloatingWindowClosed", null); |
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} |
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private void notifyClicked() { |
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MethodChannel channel = methodChannel; |
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if (channel == null) return; |
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channel.invokeMethod("onFloatingWindowClicked", null); |
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} |
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private String formatTimestamp(long ts) { |
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if (ts <= 0) return ""; |
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try { |
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SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss", Locale.getDefault()); |
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return sdf.format(new Date(ts)); |
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} catch (Exception ignored) { |
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return ""; |
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} |
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} |
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private int dp(int value) { |
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return (int) (value * getResources().getDisplayMetrics().density); |
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} |
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} |
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