ADD file via upload

activity_main.xml

@@ -0,0 +1,24 @@
+<?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"
+    android:paddingLeft="16dp"
+    android:paddingRight="16dp"
+    android:orientation="vertical"
+    android:gravity="center"
+>
+    <FrameLayout
+        android:id="@+id/main_content"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"/>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="70dp"
+        android:background="#E2E4DF"
+        android:orientation="horizontal">
+        <!--        底部导航-->
+        <include layout=" @layout/name" />
+    </LinearLayout>
+
+</LinearLayout>