How to implement the function of fixed top and bottom and sliding middle area in Android

You may need such a function. The Android layout implements fixed top and bottom bars, a menu on top, and the middle area can be touched to slide up and down.

Let’s introduce how to implement this function in the Android layout file

First of all, please make sure that you have installed eclipse, jdk and Android sdk. I will not explain them one by one here. Create a Android virtual machine, create the elements required in the code below by dragging.

This code has been tested by me and is available for reference.

The code is as follows:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android";
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:orientation="vertical">
    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >
        <LinearLayout
            android:id="@+id/linearLayout1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true" >
            <Button
                android:id="@+id/button1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Button" />
            <Button
                android:id="@+id/button2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Button" />
        </LinearLayout>
    <ListView
            android:id="@+id/listView1"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_above="@id/bottom"
            android:layout_below="@id/linearLayout1"
           >
        </ListView>
        <LinearLayout
            android:id="@+id/bottom"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true" >
            <Button
                android:id="@+id/button1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Button" />
            <Button
                android:id="@+id/button2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Button" />
        </LinearLayout>
    
    </RelativeLayout>
  
  </LinearLayout>

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