文件预览：activity_unbelievable.xml

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <ScrollView android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Text" android:id="@+id/activityunbelievableTextView1" android:padding="10dp" android:textIsSelectable="true"/> </ScrollView> </LinearLayout>