How to change android tab text on the fly?

user_442414 0
Viewed 17451

This seems like it should be simple, but I can't figure out a way to do it. I'm needing a tab to have beginning text, but then have that text change after the user selects an item from a list. I know how to change tab backgrounds and colors via

mTabHost.getChildAt(index).setBackgroundColor();

but there isn't an option to change the tab's indicator. I've tried using an EditText.

private EditText tabName;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.statistics);

    comm = new Communicator();

    tabName = new EditText(this);
    tabName.setText("BeginningText");

    mTabHost = getTabHost();
    mTabHost.addTab(mTabHost
                   .newTabSpec("tab_1_stat")
                   .setIndicator(User)
                   .setContent(R.id.meStatsTab));
    mTabHost.addTab(mTabHost
                   .newTabSpec("tab_2_stat")
                   .setIndicator(tabName.getText())
                   .setContent(R.id.themStatsTab));
    mTabHost.addTab(mTabHost
                   .newTabSpec("tab_3_stat")
                   .setIndicator("Archive")
                   .setContent(R.id.archiveStatsTab));
    mTabHost.setOnTabChangedListener(this);
    getTabWidget().getChildAt(1).setOnClickListener(new onThemTabClicked());
    mTabHost.setCurrentTab(0);

    onTabChanged("tab_1_stat");

}

.....

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
    super.onActivityResult(requestCode, resultCode, intent);

    tabName.setText("ChangedTabText");
    Bundle extras = intent.getExtras();
    themStats = extras.getStringArray("themStats");
    mTabHost.setCurrentTab(1);
    onTabChanged("tab_2_stat");
}

That didn't work either, along with a few other attempts. Any ideas? Thanks ahead of time!

android-widget tabs android
7 Answers

You can do it without knowing the magic index of the TextView by using findViewById:

TabWidget vTabs = getTabWidget();
View indicatorView = vTabs.getChildAt(tabIndex);
((TextView) indicatorView.findViewById(android.R.id.title)).setText("NewTabText");
user_10288930

Here is your layout:

<com.google.android.material.tabs.TabLayout
    android:id="@+id/ref_tabs"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <com.google.android.material.tabs.TabItem
        android:id="@+id/ref_book"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <com.google.android.material.tabs.TabItem
        android:id="@+id/ref_chpter"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <com.google.android.material.tabs.TabItem
        android:id="@+id/ref_verse"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</com.google.android.material.tabs.TabLayout>

Here is your code:

TabLayout tabLayout = findViewById(R.id.ref_tabs);
tabLayout.getTabAt(0).setText("BOOK"));
tabLayout.getTabAt(1).setText("CHAPTER"));
tabLayout.getTabAt(2).setText("VERSE"));
user_112926260

This is simple and easy. Try it. It works.

TabWidget tab = (TabWidget) findViewById (R.id.tab1);
((TextView)tab.getChildTabViewAt (1)).setText ("New name here");
user_83251130
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