侧滑菜单的简单实现方式

activity_main.xml文件

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/drawer"
   >
    <!--抽屉外的主布局中的内容-->
   <LinearLayout
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       android:orientation="vertical">
        <Button
            android:id="@+id/btn_open"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="打开抽屉"
            android:textSize="25sp"
            android:onClick="click"
            />
       <ListView
           android:id="@+id/lv"
           android:layout_width="match_parent"
           android:layout_height="match_parent"
           android:entries="@array/names">
       </ListView>
   </LinearLayout>
   
    <include layout="@layout/draw_layout"></include>
    
</android.support.v4.widget.DrawerLayout>

draw_layout.xml文件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/lr_drawer"
    android:background="#ccc"
    android:layout_gravity="right"
    >
    <Button
        android:id="@+id/btn_cloed"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="关闭抽屉"
        android:textSize="25sp"
        android:onClick="click"
        />
    <Button
        android:id="@+id/btn_click"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="点击"
        android:textSize="25sp"
        android:onClick="click"
        android:layout_centerInParent="true"
        />
</RelativeLayout>

MainActivity文件

package com.yztc.drawerlayoutdemo;

import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    private DrawerLayout mDrawer;
    private RelativeLayout rlDrawer;
    private ListView lv;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        lv= (ListView) findViewById(R.id.lv);
        mDrawer= (DrawerLayout) findViewById(R.id.drawer);
        //动态获得屏幕的宽度 以屏幕宽度的一半作为抽屉的宽度
        rlDrawer= (RelativeLayout) findViewById(R.id.lr_drawer);
        ViewGroup.LayoutParams layoutParams=rlDrawer.getLayoutParams();
        layoutParams.width=getResources().getDisplayMetrics().widthPixels/2;
        rlDrawer.setLayoutParams(layoutParams);

        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(MainActivity.this,"被点击了!",Toast.LENGTH_LONG).show();
            }
        });
    }

    public void click(View view){
        switch (view.getId()){
            case R.id.btn_open:
                //根据参数指定的方向打开抽屉
//                mDrawer.openDrawer(Gravity.LEFT);
                //根据参数指定的view打开指定的侧滑
                mDrawer.openDrawer(rlDrawer);
                break;
            case R.id.btn_cloed:
                mDrawer.closeDrawer(rlDrawer);
//              mDrawer.closeDrawer(Gravity.LEFT);
                break;
            case R.id.btn_click:
                Toast.makeText(MainActivity.this,"侧滑中点击了!",Toast.LENGTH_LONG).show();
                break;
        }
    }
}