Detecting touch area on Android

Question

Is it possible to detect every pixel being touched? More specifically, when the user touches the screen, is it possible to track all the x-y coordinates of the cluster of po

Answer 1

If you're looking for a way to get your content view as a View after Activity#setContentView(int), then you can set an id on the outer-most element of your layout:

android:id="@+id/entire_view" and reference it in your onCreate() method after setContentView:

View view = getViewById(R.id.entire_view);
view.setOnTouchListener( ... );