如何更改操作栏标题

Question

I have developed a action-bar in Android Studio, however, the action-bar displays the activity name rather than the app name along with the icons.

For example I want it to display the app-name plus the refresh, setting and User Icon. Instead it display the activity name along with refresh, setting and User Icon.

Menuactivity.java

public class MenuActivity extends ActionBarActivity {


    private Toolbar toolbar;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_menu);

        toolbar = (Toolbar) findViewById(R.id.tool_bar);
        setSupportActionBar(toolbar);

    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        int id = item.getItemId();

        if (id == R.id.action_user) {
            Intent intent= new Intent(this,DashboardActivity.class);
            startActivity(intent);
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

MenuMain shows the application name however once run the code it displays the activity name rather than the app name, how can I rectify this?.

Answer 1

1. The easiest way is:

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle(R.strind.app_name);

2. You can also use a custom Toolbar layout

Change your existing code us

    toolbar = (Toolbar) findViewById(R.id.tool_bar);
    setSupportActionBar(toolbar);

To like this:

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
    getSupportActionBar().setCustomView(R.layout.actionbar_main;

Follow please these my tutorial to see how to implement it.

Here's my solution - create a TextDrawable logo using custom toolbar

1. Create a custom layout with name action_bar.xml

2. Put into it this code

    <ImageView android:id="@+id/image_view" android:layout_width="32dp" android:layout_height="32dp" tools:src="@mipmap/ic_launcher"/> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="10dp" android:text="@string/app_name"> //THIS GUY android:textColor="#ffffff" android:textSize="24sp" android:textAlignment="gravity" android:gravity="center_vertical"/> 

3. Add to your onCreate method in MainActivity class this code:

    //SET A DRAWABLE TO IMAGEVIEW Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); getSupportActionBar().setCustomView(R.layout.actionbar_main); TextDrawable drawable = TextDrawable.builder() .buildRound("A", getResources().getColor(R.color.colorAccent)); ImageView imageView = (ImageView) findViewById(R.id.image_view); imageView.setImageDrawable(drawable); 

4. After changes it should look like:

NOTICE: To show appName i used TextView with android:text="@string/app_name" value.

Hope it help