问通过MediaScannerConnectionClient获取图片的内容方案Uri

EN

MediaStore.Images.Thumbnails.getThumbnail(getContentResolver(), Long.parseLong(_imageUri.getLastPathSegment()), type, null)

public class SimpleMediaScanner implements MediaScannerConnectionClient {
    private MediaScannerConnection mMSC;
    private File mFile;
    private MyAdapter mAdapter;

    public SimpleMediaScanner(Context c, File f, MyAdapter a) {
        mAdapter = a;
        mFile = f;
        mMSC = new MediaScannerConnection(c, this);
        mMSC.connect();
    }

    @Override
    public void onMediaScannerConnected() {
        mMSC.scanFile(mFile.getAbsolutePath(), null);
    }

    @Override
    public void onScanCompleted(String path, Uri uri) {
        // Store the content scheme Uri of the scanned file
        // in a public field of the adapter
        mAdapter.mThumbUri = uri;
        mMSC.disconnect();
    }
}

SimpleMediaScanner sms = new SimpleMediaScanner(mContext, new File(filepath), this);