How to use

setTitle

method

in

android.app.Activity

 public void setTitle(CharSequence title) {
  activity.setTitle(title);
 }
}

@Override
public void onReceivedTitle(WebView view, String title) {
  ((Activity) mContext).setTitle(title);
}

 getWindow().requestFeature(Window.FEATURE_PROGRESS);

WebView mWebView = (WebView) findViewById(R.id.mywebview);

mWebView.getSettings().setJavaScriptEnabled(true);

final Activity activity = this;

mWebView.setWebChromeClient(new WebChromeClient(){

     public void onProgressChanged(WebView view, int progress) {
         activity.setTitle("Loading...");
         activity.setProgress(progress * 100);
          if(progress == 100)
            activity.setTitle("My title");
         }
});

mWebView.loadUrl(URL);

mActivity .setTitle("Loading...");
mActivity .setProgress(progress * 100); //Make the bar disappear after URL is loaded

mActivity.setTitle(mModes[mModeIndex].toString());

/**
 * @param titleId
 * @see android.app.Activity#setTitle(int)
 */
public void setTitle(int titleId) {
  mActivity.setTitle(titleId);
}

activity.setTitle(activity.getClass().getName());

  private void changeTitle(DynamicApkParser.Activity a, Activity activity) {
    if (a.info.labelRes != 0) {
      activity.setTitle(a.owner.resources.getString(a.info.labelRes));
    } else if (a.owner.applicationInfo.nonLocalizedLabel != null) {
      activity.setTitle(a.owner.applicationInfo.nonLocalizedLabel);
    } else if (a.owner.applicationInfo.labelRes != 0) {
      activity.setTitle(a.owner.resources.getString(a.owner.applicationInfo.labelRes));
    }
  }
}

 Activity activity = this.getActivity();
Toolbar toolbar = (Toolbar) activity.findViewById(R.id.detail_toolbar);
    if (toolbar != null) {
      activity.setTitle("Title");
    }

//toolbar.setTitle("Title"); did not give the same results

  @Override
  public void onReceivedTitle(WebView view, String title) {
    System.out.println("网页title："+title);
    activity.setTitle(title);
    super.onReceivedTitle(view, title);
  }
});

  @Override
  public void onReceivedTitle(WebView view, String title) {
    System.out.println("网页title："+title);
    activity.setTitle(title);
    super.onReceivedTitle(view, title);
  }
});

@Override
public void onReceivedTitle(final WebView view, final String title) {
  final Context context = view.getContext();
  if (context instanceof Activity) {
    ((Activity) context).setTitle(title);
  }
}

public static void resetActivityTitle(Activity a) {
  try {
    ActivityInfo info = a.getPackageManager().getActivityInfo(a.getComponentName(), GET_META_DATA);
    if (info.labelRes != 0) {
      a.setTitle(info.labelRes);
    }
  } catch (NameNotFoundException e) {
    e.printStackTrace();
  }
}

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.legal_information_preferences);
    getActivity().setTitle(R.string.legal_information_title);
  }
}

public static void translateTitle(Activity activity) {
  if (isLocaleOverridden(activity)) {
    // http://stackoverflow.com/questions/22884068/troubles-with-activity-title-language
    try {
      int labelRes = activity.getPackageManager().getActivityInfo(activity.getComponentName(), 0).labelRes;
      activity.setTitle(labelRes);
    } catch (PackageManager.NameNotFoundException e) {
      e.printStackTrace();
    }
  }
}

@Override
public void onResume() {
  super.onResume();
  getActivity().setTitle(getArguments().getString(TITLE));
}

/**
 * Updates the state of 2 control buttons in response to the current page index.
 */
private void updateUi() {
  int index = mCurrentPage.getIndex();
  int pageCount = mPdfRenderer.getPageCount();
  mButtonPrevious.setEnabled(0 != index);
  mButtonNext.setEnabled(index + 1 < pageCount);
  getActivity().setTitle(getString(R.string.app_name_with_index, index + 1, pageCount));
}

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  addPreferencesFromResource(R.xml.physical_web_preferences);
  getActivity().setTitle(R.string.physical_web_pref_title);
  initPhysicalWebSwitch();
  initLaunchButton();
}

@Override
public void onResume() {
  super.onResume();
  getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
  if (mShowExperimental != ConfigUtils.showExperimental(ConfigUtils.getPreferences(getActivity()))) {
    getActivity().recreate();
  } else {
    getActivity().setTitle(R.string.app_name);
  }
}

  @Override
  public void onStop() {
    getActivity().setTitle(oldTitle);
    ActionBar ab = getActivity().getActionBar();
    if (ab != null && oldTitle.equals(getString(R.string.app_name))) {
      ab.setDisplayHomeAsUpEnabled(false);
      ab.setHomeButtonEnabled(false);
    }
    getActivity().invalidateOptionsMenu();
    super.onStop();
  }
}