<?xml?version="1.0"?encoding="utf-8"?> <LinearLayout?xmlns:android="http://schemas.android.com/apk/res/android" ????xmlns:app="http://schemas.android.com/apk/res-auto" ????xmlns:tools="http://schemas.android.com/tools" ????android:layout_width="match_parent" ????android:layout_height="match_parent" ????android:orientation="vertical" ????tools:context=".MainActivity"> ????<LinearLayout ????????android:layout_width="match_parent" ????????android:layout_height="0dp" ????????android:layout_weight="1" ????????tools:ignore="MissingConstraints,Suspicious0dp"> ????</LinearLayout> ????<LinearLayout ????????android:layout_width="match_parent" ????????android:layout_height="0dp" ????????android:layout_weight="1" ????????tools:ignore="MissingConstraints,Suspicious0dp"> ????????<android.support.v4.view.ViewPager ????????????android:id="@+id/view_pager" ????????????android:layout_width="match_parent" ????????????android:layout_height="match_parent"?/> ????</LinearLayout> ????<LinearLayout ????????android:layout_width="match_parent" ????????android:layout_height="0dp" ????????android:layout_weight="1" ????????tools:ignore="MissingConstraints,Suspicious0dp"></LinearLayout> </LinearLayout>