File型のパスをUri型のパスに変換するメソッド

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File image_file = new File(path);
final Uri image_uri = Uri.fromFile(image_file);

private static Uri fileUri2contentUri(Context context, Uri srcUri) {
	Uri uri = null;
	Uri baseUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
	String[] proj = { BaseColumns._ID };
	String sel = MediaStore.Images.ImageColumns.DATA + " LIKE ?";
	String[] selArgs = new String[] { srcUri.getPath() };
	ContentResolver cr = context.getContentResolver();
	try {
		Cursor cur = cr.query(baseUri, proj, sel, selArgs, null);
		cur.moveToFirst();
		int cidx = cur.getColumnIndex(proj[0]);
		long id = cur.getLong(cidx);
		cur.close();
		uri = Uri.parse(baseUri.toString() + "/" + id);
	} catch (Exception e) {
		Log.v("fileUri2contentUri", "file://からcontent://形式変換中にエラー", e);
	}
	return uri;
}