if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
    final Intent intent = new Intent(Settings.ACTION_HOME_SETTINGS);
    startActivity(intent);
}
else {
    final Intent intent = new Intent(Settings.ACTION_SETTINGS);
    startActivity(intent);
}

PackageManager localPackageManager = getPackageManager();
  Intent intent = new Intent("android.intent.action.MAIN");
  intent.addCategory("android.intent.category.HOME");
  final String currentLauncherPackageName = localPackageManager.resolveActivity(intent,
            PackageManager.MATCH_DEFAULT_ONLY).activityInfo.packageName;

  Intent intent = new Intent();
  intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
  Uri uri = Uri.fromParts("package", currentLauncherPackageName, null);
  intent.setData(uri);
  startActivity(intent);

Intent intent = new Intent(Settings.ACTION_HOME_SETTINGS);
startActivity(intent);