Arcgis for android 100.4截屏功能

/**
 * 把一个MapView的对象转换成bitmap
 */
public static Bitmap getMapViewBitmap(MapView 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 = null;
    while(cacheBitmap == null){
        final ListenableFuture<Bitmap> export = v.exportImageAsync();
        try {
            cacheBitmap =export.get();
        } catch (InterruptedException e) {
            e.printStackTrace();
        } catch (ExecutionException e) {
            e.printStackTrace();
        }
    }
    Bitmap bitmap = Bitmap.createBitmap(cacheBitmap);
    // Restore the view
    v.destroyDrawingCache();
    v.setWillNotCacheDrawing(willNotCache);
    v.setDrawingCacheBackgroundColor(color);
    return bitmap;
}