private void loadData(Bundle savedInstanceState, Uri appUri) {
    mAppSettings = new ApiDataAccessObject(this).getApiAppSettings(appUri);

    // get application name and icon from package manager
    String appName;
    Drawable appIcon = null;
    PackageManager pm = getApplicationContext().getPackageManager();
    try {
      ApplicationInfo ai = pm.getApplicationInfo(mAppSettings.getPackageName(), 0);

      appName = (String) pm.getApplicationLabel(ai);
      appIcon = pm.getApplicationIcon(ai);
    } catch (PackageManager.NameNotFoundException e) {
      // fallback
      appName = mAppSettings.getPackageName();
    }
    mAppNameView.setText(appName);
    mAppIconView.setImageDrawable(appIcon);

    Uri accountsUri = appUri.buildUpon().appendPath(KeychainContract.PATH_ACCOUNTS).build();
    Log.d(Constants.TAG, "accountsUri: " + accountsUri);
    Uri allowedKeysUri = appUri.buildUpon().appendPath(KeychainContract.PATH_ALLOWED_KEYS).build();
    Log.d(Constants.TAG, "allowedKeysUri: " + allowedKeysUri);
    startListFragments(savedInstanceState, accountsUri, allowedKeysUri);
  }
 private void startApp() {
   Intent i;
   PackageManager manager = getPackageManager();
   try {
     i = manager.getLaunchIntentForPackage(mAppSettings.getPackageName());
     if (i == null) throw new PackageManager.NameNotFoundException();
     // start like the Android launcher would do
     i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
     i.addCategory(Intent.CATEGORY_LAUNCHER);
     startActivity(i);
   } catch (PackageManager.NameNotFoundException e) {
     Log.e(Constants.TAG, "startApp", e);
   }
 }
  private void showAdvancedInfo() {
    String certificate = null;
    // advanced info: package certificate SHA-256
    try {
      MessageDigest md = MessageDigest.getInstance("SHA-256");
      md.update(mAppSettings.getPackageCertificate());
      byte[] digest = md.digest();
      certificate = new String(Hex.encode(digest));
    } catch (NoSuchAlgorithmException e) {
      Log.e(Constants.TAG, "Should not happen!", e);
    }

    AdvancedAppSettingsDialogFragment dialogFragment =
        AdvancedAppSettingsDialogFragment.newInstance(mAppSettings.getPackageName(), certificate);

    dialogFragment.show(getSupportFragmentManager(), "advancedDialog");
  }