如何 chmod 文件夹 data/data/com.example.anotherapp

Question

我制作了一个应用程序来使用 roottools 备份和恢复应用程序和数据。

我将文件夹 data/data/com.example.anotherapp 备份到 sdcard。现在，我卸载/重新安装并将文件夹 com.example.anotherapp 复制到 data/data/ 但应用程序无法运行。

如何 chmod 文件夹 com.example.anotherapp？

    public static boolean restoreDatabase(Context context, AppManagerItem item) {
    String from = "/data/data/";
    File fileOut = new File(Environment.getExternalStorageDirectory(),
            context.getString(R.string.app_name));
    String to = fileOut.getAbsolutePath() + File.separator
            + item.getPackageName();

    to = normalizeParameter(to);
    boolean isSuccess = false;

    String comando = "cp -r " + to + " " + from;

    Process suProcess;
    try {
        suProcess = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(
                suProcess.getOutputStream());
        os.writeBytes(comando + "\n");
        os.flush();
        os.writeBytes("exit\n");
        os.flush();
        try {
            int suProcessRetval = suProcess.waitFor();
            if (255 != suProcessRetval) {
                // Acceso Root concedido
                isSuccess = true;
            } else {
                // Acceso Root denegado
                isSuccess = false;
            }
        } catch (Exception ex) {
            Log.w("Error ejecutando el comando Root", ex);
        }

        String chmod = "chmod -R 757 " + from + item.getPackageName();
        Runtime.getRuntime().exec(chmod);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return isSuccess;
}

谢谢。

Answer 1

你可以这样做：

String path = "/yourFolder";
String[] chmod = { "su", "-c","chmod 777 "+path };
try {
    Runtime.getRuntime().exec(chmod);
} catch (IOException e) {
    e.printStackTrace();
}