I have an Android Project with 2 modules. I have MainActivity in both modules:
- com.example.MainActivity
- com.example.paid.PaidMainActivity
Both modules have res/layout/main.xml and they differ a bit.
Free version:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/text1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Paid version:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/text1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/paidView"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
PaidMainActivity extends MainActivity and layout is set with setContentView in the parent activity. At the moment 90% of the functionality is same and is done in MainActivity.
public class MainActivity {
TextView text1;
TextView paidView;
public void onCreate() {
text1 = findViewById(R.id.text1);
paidView = findViewById(R.id.paidView);
}
public void onResume() {
text1.setText("This is just a text");
if (paidView != null) {
paidView.setText("All features unlocked");
}
}
}
ViewBinding generates two MainBinding java classes that I could use in either class but then I would have to refactor a lot of code (this sample is oversimplified). I would also have duplicate code in both Activities because I can't use the same binding object and override some functionality. Is there a way I can use view binding and a merged xml file with all the (@Nullable) views?