DetailFragment.java 文件源码

/**
 * 截取所有网页内容到 Bitmap
 *
 * @return Bitmap
 */
Bitmap genCaptureBitmap() throws OutOfMemoryError {
    // @todo Future versions of WebView may not support use on other threads.
    try {
        Picture picture = getWebView().capturePicture();
        int height = picture.getHeight(), width = picture.getWidth();
        if (height == 0 || width == 0) {
            return null;
        }
        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);
        picture.draw(canvas);
        return bitmap;
    } catch (NullPointerException e) {
        return null;
    }
}