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[Android]用图库打开指定的文件夹,没错是第一个画面直接是图库的文件夹画面

参考了这个里面的代码

http://bbs.csdn.net/topics/380084274

 

一直报错

06-16 23:58:50.698 26148-26161/com.example.myapplication.app W/ContentResolver﹕ Failed to get type for: content://media/external/images/media/120818 (Unknown URL : content://media/external/images/media/120818)
06-16 23:58:50.708 26148-26161/com.example.myapplication.app W/Binder﹕ Caught a RuntimeException from the binder stub implementation.
android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat=content://media/external/images/media/120818 }

 

我自己的部分代码

  @Override    public void onMediaScannerConnected() {        Log.d("onMediaScannerConnected", "success  " + conn);        Log.d("scanpath", "scanpath  " + scanpath);        conn.scanFile(scanpath, "image/png");//主要是这里原本和上面的那个链接是一样的写成了"image/*" 然后各种报错,报找不到activity,其实可能是对于的格式自动匹配有问题,应用装了快播,竟然默认打开了快播,无力吐槽。最后更正,高了一个晚上    }//媒体扫描    @Override    public void onScanCompleted(String s, Uri uri) {        try {            Log.d("onScanCompleted", uri + "success" + conn);            System.out.println("URI " + uri);            System.out.println("path" + path);            if (uri != null) {                Intent intent = new Intent(Intent.ACTION_VIEW);                intent.setData(uri);                Log.d("inten", "inten  " + intent.toString());                startActivity(intent);            }        } finally {            conn.disconnect();            conn = null;        }    }//媒体扫描完毕