Changing Status Bar colour when launching a TWA

LauncherActivity.java

// Copy LauncherActivity from the support library repo
// (https://github.com/GoogleChrome/custom-tabs-client/blob/master/customtabs/src/android/support/customtabs/trusted/LauncherActivity.java#L153-L155)
// and replace the getCustomTabsIntent method, as below:
    protected CustomTabsIntent getCustomTabsIntent(CustomTabsSession session) {
        return new CustomTabsIntent.Builder(session)
          .setToolbarColor(Color.parseColor("#000000"))
          .build();
    }

Thanks, this works and sets the status bar color. It does leave the navigation bar white but there doesn't seem to be an API for that so I guess I'll file a bug/feature request.

That said. I ran into an(other) issue.

Not sure if this is the place and I may be hijacking your gist here but for some reason it now launches the splash activity (that's the one I have set as Launcher Activity), then shoves a Custom Tab (with UI) in front of my app with www.example.com. If I close that (press X or Back) I get my TWA.

I had a look at the android.support.customtabs.trusted.LauncherActivity class and figured it was returning the fallback value for some reason (See getLaunchingUrl(), return Uri.parse("https://www.example.com/");). But when I override the method and print super.getLaunchingUrl() it turns out it is returning the correct URL.

Any clue what is going on? Thanks!

Manifest:

<!-- Splash activity -->
<activity
	android:name=".Splash"
	android:theme="@style/AppTheme.NoActionBar.Splash">
	<!-- Launcher activity -->
	<intent-filter>
		<action android:name="android.intent.action.MAIN" />
		<category android:name="android.intent.category.LAUNCHER" />
	</intent-filter>
</activity>

<!-- TWA Activity -->
<activity
	android:name=".WebActivity"
	android:theme="@style/AppTheme.NoActionBar">
	<!-- The url opened by the TWA -->
	<meta-data
		android:name="android.support.customtabs.trusted.DEFAULT_URL"
		android:value="https://icerrr2.rejh.nl/?" />
	<!-- Allows the TWA to handle Intents to open the domain -->
	<intent-filter>
		<action android:name="android.intent.action.VIEW" />
		<category android:name="android.intent.category.DEFAULT" />
		<category android:name="android.intent.category.BROWSABLE" />
		<data
			android:host="icerrr2.rejh.nl"
			android:scheme="https" />
	</intent-filter>
</activity>

Splash.java:

public class Splash extends LauncherActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        Intent webActivityIntent = new Intent(this, WebActivity.class);
        webActivityIntent.setData(Uri.parse("https://icerrr2.rejh.nl/?"));
        startActivity(webActivityIntent);
        finish();

    }

    @Override
    public void finish() {
        super.finish();
        overridePendingTransition(0, R.transition.activity_fade_out);
    }

}

WebActivity.java:

public class WebActivity extends LauncherActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    protected CustomTabsIntent getCustomTabsIntent(CustomTabsSession session) {
        return new CustomTabsIntent.Builder(session)
            .setToolbarColor(getResources().getColor(R.color.colorPrimary))
            .build();
    }

    @Override
    protected Uri getLaunchingUrl() {
        Uri uri = super.getLaunchingUrl();
        Log.d(Constants.APPTAG, " -> super.getLaunchingUrl(): "+ uri.toString());
        return uri;
    }

}

You could override the getLaunchingUrl to return Uri.parse("https://www.example.com/");

Do you mind posting the question on StackOverflow? (https://stackoverflow.com/questions/tagged/trusted-web-activity/). It will make easer for other developers with the same issue to find the answer (and other people can help with the answer too).