Android 屏幕截图 代码

    public static Bitmap getViewBitmap(View v) {
        
        v.clearFocus();
        v.setPressed(false);

        //能画缓存就返回false
        boolean willNotCache = v.willNotCacheDrawing();
        v.setWillNotCacheDrawing(false); 
        int color = v.getDrawingCacheBackgroundColor();
        v.setDrawingCacheBackgroundColor(0);
        if (color != 0) {
            v.destroyDrawingCache();
        }
        v.buildDrawingCache();
        Bitmap cacheBitmap = v.getDrawingCache();
        if (cacheBitmap == null) {
           // Log.e(TAG, "failed getViewBitmap(" + v + ")", new RuntimeException());
            return null;
        }
        Bitmap bitmap = Bitmap.createBitmap(cacheBitmap);
        // Restore the view
        v.destroyDrawingCache();
        v.setWillNotCacheDrawing(willNotCache);
        v.setDrawingCacheBackgroundColor(color);
        return bitmap;
    }


  //保存到sdcard 
    // savePic(getViewBitmap(v), "sdcard/xx.png");
    private static void savePic(Bitmap b,String strFileName){ 
    FileOutputStream fos = null; 
    try { 
    fos = new FileOutputStream(strFileName); 
    if (null != fos) 
    { 
    b.compress(Bitmap.CompressFormat.PNG, 90, fos); 
    fos.flush(); 
    fos.close(); 
    } 
    } catch (FileNotFoundException e) { 
    e.printStackTrace(); 
    } catch (IOException e) { 
    e.printStackTrace(); 
    } 
    }