如何將視圖轉換爲Drawable？

Question

我有一個View，我想將其轉換爲圖像以便將其存儲在某個地方。 但是，我怎樣才能將此View轉換爲圖像？

Answer 1

嘗試此觀點，並存儲在SD卡將影像..

View view = TextView.getRootView(); 
//You can use any view of your View instead of TextView 

if (view != null) 
{ 
    System.out.println("view is not null....."); 
    view.setDrawingCacheEnabled(true); 
    view.buildDrawingCache(); 
    Bitmap bm = view.getDrawingCache(); 

    try 
    { 
     if (bm != null) 
     { 
      String dir = Environment.getExternalStorageDirectory().toString(); 
      System.out.println("bm is not null....."); 
      OutputStream fos = null; 
      File file = new File(dir,"sample.JPEG"); 
      fos = new FileOutputStream(file); 
      BufferedOutputStream bos = new BufferedOutputStream(fos); 
      bm.compress(Bitmap.CompressFormat.JPEG, 50, bos); 
      bos.flush(); 
      bos.close(); 
     } 
    } 
    catch(Exception e) 
    { 
     System.out.println("Error="+e); 
     e.printStackTrace(); 
    } 
} 

Answer 2

1. 啓用視圖繪製緩存：

   view.setDrawingCacheEnabled(true); 
   

2. 從緩存中創建位圖：

   bitmap = Bitmap.createBitmap(view.getDrawingCache()); 
   

3. 保存位圖的地方......

4. 禁用繪圖緩存：

   view.setDrawingCacheEnabled(false);