Android 9 Development Cookbook - Third Edition

How to do it...

Since this recipe is building on the previous recipe, most of the work is already done.  We'll add an EditText element to the main activity so that we have something to send to SecondActivity. We'll use the (auto-generated) TextView view to display the message. The following are the complete steps:

1. Open activity_main.xml and add the following <EditText> element above the button:

<EditText    android:id="@+id/editTextData"    android:layout_width="match_parent"    android:layout_height="wrap_content"    app:layout_constraintLeft_toLeftOf="parent"    app:layout_constraintRight_toRightOf="parent"    app:layout_constraintTop_toTopOf="parent"    app:layout_constraintBottom_toTopOf="@+id/button" />

The <Button> element that we created in the previous ...