Android - uninstall app programmatically

private void uninstallPackage(String name) {
    Intent intent = new Intent(Intent.ACTION_DELETE);
    intent.putExtra(Intent.EXTRA_RETURN_RESULT, true);
    intent.setData(Uri.parse("package:"+name));
    startActivity(intent);
}

private boolean doesPackageExist(String name){
    PackageManager pm=getPackageManager();
    try {
        PackageInfo info=pm.getPackageInfo(name,PackageManager.GET_META_DATA);
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
    return true;
}

private void checkUninstallStatus(int requestCode, int resultCode, Intent data) {
    if (requestCode == 1) {
        if (resultCode == RESULT_OK) {
            Log.d("TAG", "onActivityResult: user accepted the (un)install");
        } else if (resultCode == RESULT_CANCELED) {
            Log.d("TAG", "onActivityResult: user canceled the (un)install");
        } else if (resultCode == RESULT_FIRST_USER) {
            Log.d("TAG", "onActivityResult: failed to (un)install");
        }
    }
}

@Override
protected void onActivityResult(final int requestCode, final int resultCode, final Intent data) {
    checkUninstallStatus(requestCode,resultCode,data);
}