抽屉布局

<?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"
    >

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/btnOpen"
            android:text="Hello!!!"
            />
        <!--用来放置碎片的容器-->
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/frconten"
            android:layout_below="@id/btnOpen"
            >


        </FrameLayout>
    </RelativeLayout>
        <RelativeLayout
            android:id="@+id/menu"
            android:layout_width="130dp"
            android:layout_height="match_parent"
            android:layout_gravity="start"
            android:background="#f00"
            >
            <ImageView
                android:id="@+id/img"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:src="@mipmap/ic_launcher"
                />

            <ListView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:id="@+id/lv"
                android:layout_below="@id/img"
                >

            </ListView>
        </RelativeLayout>


</android.support.v4.widget.DrawerLayout>

package com.example.drawerlayout;

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

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity {
 private List<String>data = new ArrayList<>();
    private ListView lv;
    private DrawerLayout drawer;
    private RelativeLayout menu;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
     
        Button btn = findViewById(R.id.btnOpen);
        drawer = findViewById(R.id.drawer);
        menu = findViewById(R.id.menu);

        //添加监听
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                drawer.openDrawer(menu);//打开菜单
            }
        });
        lv = findViewById(R.id.lv);
        for (int i= 0;i<20;i++){
            data.add("item"+i);

        }
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_expandable_list_item_1,data);
        lv.setAdapter(adapter);

        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                //关闭菜单
                drawer.closeDrawer(menu);

                //动态添加fragment
                getSupportFragmentManager().beginTransaction().replace(R.id.frconten,new MyFragment()).commit();
            }
        });
        //添加监听事件
        drawer.setDrawerListener(new DrawerLayout.DrawerListener() {
            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) {

            }

            @Override
            public void onDrawerOpened(View drawerView) {

                Toast.makeText(MainActivity.this,"打开了！",Toast.LENGTH_SHORT).show();}

            @Override
            public void onDrawerClosed(View drawerView) {

                Toast.makeText(MainActivity.this,"关闭了！！！",Toast.LENGTH_SHORT).show();;
            }

            @Override
            public void onDrawerStateChanged(int newState) {

            }
        });
    }
}