Examples with LayoutParams android.view.WindowManager.LayoutParams used on opensource projects

Example 46 with LayoutParams

use of android.view.WindowManager.LayoutParams in project android_frameworks_base by crdroidandroid.

the class WindowStateAnimator method tryChangeFormatInPlaceLocked.

/**
     * Try to change the pixel format without recreating the surface. This
     * will be common in the case of changing from PixelFormat.OPAQUE to
     * PixelFormat.TRANSLUCENT in the hardware-accelerated case as both
     * requested formats resolve to the same underlying SurfaceControl format
     * @return True if format was succesfully changed, false otherwise
     */
boolean tryChangeFormatInPlaceLocked() {
    if (mSurfaceController == null) {
        return false;
    }
    final LayoutParams attrs = mWin.getAttrs();
    final boolean isHwAccelerated = (attrs.flags & FLAG_HARDWARE_ACCELERATED) != 0;
    final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format;
    if (format == mSurfaceFormat) {
        setOpaqueLocked(!PixelFormat.formatHasAlpha(attrs.format));
        return true;
    }
    return false;
}