in MediaRouter/Application/src/main/java/com/example/android/mediarouter/player/OverlayDisplayWindow.java [265:314]
private void createWindow() {
LayoutInflater inflater = LayoutInflater.from(mContext);
mWindowContent = inflater.inflate(
R.layout.overlay_display_window, null);
mWindowContent.setOnTouchListener(mOnTouchListener);
mTextureView = (TextureView)mWindowContent.findViewById(
R.id.overlay_display_window_texture);
mTextureView.setPivotX(0);
mTextureView.setPivotY(0);
mTextureView.getLayoutParams().width = mWidth;
mTextureView.getLayoutParams().height = mHeight;
mTextureView.setOpaque(false);
mTextureView.setSurfaceTextureListener(mSurfaceTextureListener);
mNameTextView = (TextView)mWindowContent.findViewById(
R.id.overlay_display_window_title);
mNameTextView.setText(mName);
mWindowParams = new WindowManager.LayoutParams(
WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
mWindowParams.flags |= WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
| WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
| WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
if (DISABLE_MOVE_AND_RESIZE) {
mWindowParams.flags |= WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
}
mWindowParams.alpha = WINDOW_ALPHA;
mWindowParams.gravity = Gravity.TOP | Gravity.LEFT;
mWindowParams.setTitle(mName);
mGestureDetector = new GestureDetector(mContext, mOnGestureListener);
mScaleGestureDetector = new ScaleGestureDetector(mContext, mOnScaleGestureListener);
// Set the initial position and scale.
// The position and scale will be clamped when the display is first shown.
mWindowX = (mGravity & Gravity.LEFT) == Gravity.LEFT ?
0 : mDefaultDisplayMetrics.widthPixels;
mWindowY = (mGravity & Gravity.TOP) == Gravity.TOP ?
0 : mDefaultDisplayMetrics.heightPixels;
Log.d(TAG, mDefaultDisplayMetrics.toString());
mWindowScale = INITIAL_SCALE;
// calculate and save initial settings
updateWindowParams();
saveWindowParams();
}