我的应用程序使用图片覆盖了相机预览，并在捕获时保存了覆盖图。 但是当我使用前置摄像头拍摄时，它会显示相机预览的镜像。 现在我想在使用前置摄像头时翻转图像，但是当我捕捉叠加图像时，＃34;标记＆＃34;未与捕获的图像一起保存。 我做错了什么？
{
Bitmap cameraBitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
int wid = cameraBitmap.getWidth();
int hgt = cameraBitmap.getHeight();
// Toast.makeText(getApplicationContext(), wid+""+hgt, Toast.LENGTH_SHORT).show();
Bitmap newImage = Bitmap.createBitmap(wid, hgt, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(newImage);
if (currentCameraId == Camera.CameraInfo.CAMERA_FACING_BACK)
{
canvas.drawBitmap(cameraBitmap, 0f, 0f, null);
}
else
{
canvas.drawBitmap(cameraBitmap, 0f, 0f, null);
// newImage = flip(newImage);
Matrix matrix = new Matrix();
matrix.preScale(-1.0f, 1.0f);
// unknown type
// return transformed image
newImage= Bitmap.createBitmap(newImage, 0, 0, newImage.getWidth(), newImage.getHeight(), matrix, true);
canvas.drawBitmap(cameraBitmap, 0f, 0f, null);
}
Drawable drawable getResources().getDrawable(R.drawable.mark);
drawable.setBounds(20, 30, drawable.getIntrinsicWidth()+20, drawable.getIntrinsicHeight()+30);
drawable.draw(canvas);