Android將視圖轉換爲BitMap

Question

我試圖將視圖轉換爲位圖，但我失去了黑色。我將是這樣的：

Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(),view.getHeight(), Bitmap.Config.ARGB_8888); 

Example

我怎麼能轉換爲位圖，這樣的百分比值的黑色不丟失？

感謝， 問候

Answer 1

嗨，你可以用這個方法來查看轉換爲位圖

private Bitmap createBitmapFromView(Context context, View view) { 
     DisplayMetrics displayMetrics = new DisplayMetrics(); 
     ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); 
     view.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 

     view.measure(displayMetrics.widthPixels, displayMetrics.heightPixels); 
     view.layout(0, 0, displayMetrics.widthPixels, displayMetrics.heightPixels); 
     view.buildDrawingCache(); 
     Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.ARGB_8888); 

     Canvas canvas = new Canvas(bitmap); 
     view.draw(canvas); 

     return bitmap; 
    }