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[英]Android: how to check in BroadCast Receiver that activity has been completed once
[英]How to check if the file has been scanned by media broadcast receiver
我正在将扫描意图发送给媒体广播接收器,以便系统可以“识别”图像:
Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
File f = new File(path);
Uri contentUri = Uri.fromFile(f);
mediaScanIntent.setData(contentUri);
getActivity().sendBroadcast(mediaScanIntent);
等待扫描完成的方法是什么? 有听众吗? 谢谢
在您的情况下,您需要使用MediaScannerConnection.scanFile
,它会给您提供回调以侦听通过OnScanCompletedListener
方法完成的扫描操作。
例如
MediaScannerConnection.scanFile(
getApplicationContext(),
new String[]{file.getAbsolutePath()},
null,
new OnScanCompletedListener() {
@Override
public void onScanCompleted(String path, Uri uri) {
Log.v(TAG,
"file " + path + " was scanned seccessfully: " + uri);
}
});
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