android中实现整个屏幕截图的代码

android中实现整个屏幕截图的代码

public static Bitmap takeScreenShot(Activity act) {  
    if (act == null || act.isFinishing()) {  
        Log.d(TAG,"act参数为空.");  
        return null;  
    }  
 
    // 获取当前视图的view  
    View scrView = act.getWindow().getDecorView();  
    scrView.setDrawingCacheEnabled(true);  
    scrView.buildDrawingCache(true);  
 
    // 获取状态栏高度  
    Rect statuBarRect = new Rect();  
    scrView.getWindowVisibleDisplayFrame(statuBarRect);  
    int statusBarHeight = statuBarRect.top;  
    int width = act.getWindowManager().getDefaultDisplay().getWidth();  
    int height = act.getWindowManager().getDefaultDisplay().getHeight();  
 
    Bitmap scrBmp = null;  
    try {  
        // 去掉标题栏的截图  
        scrBmp = Bitmap.createBitmap( scrView.getDrawingCache(),statusBarHeight,width,height - statusBarHeight);  
    } catch (IllegalArgumentException e) {  
        Log.d("","#### 旋转屏幕导致去掉状态栏失败");  
    }  
    scrView.setDrawingCacheEnabled(false);  
    scrView.destroyDrawingCache();  
    return scrBmp;  
}