菜单栏的侧滑

最新推荐文章于 2021-06-19 13:24:33 发布

云烟城雨

最新推荐文章于 2021-06-19 13:24:33 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/weixin_43629061/article/details/84203523

<?xml version="1.0" encoding="utf-8"?>

<android.support.v4.widget.DrawerLayout 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”
tools:context=".MainActivity"
android:id="@+id/draw"
>

<android.support.design.widget.NavigationView
android:layout_width=“wrap_content”
android:layout_height=“wrap_content”
android:id="@+id/nav"
app:headerLayout="@layout/head_image"
android:layout_gravity=“start”
app:menu="@menu/main"
></android.support.design.widget.NavigationView>
</android.support.v4.widget.DrawerLayout>

MainActivity

package com.example.week2;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.NavigationView;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

private ImageView img;
private TextView sy;
private TextView video;
private TextView mine;
private FragmentManager manager;
private ArrayList<Fragment> list;
private FrameLayout frameLayout;
private NavigationView nav;
private DrawerLayout draw;
private OneFragment oneFragment;
private TwoFragment twoFragment;
private ThreeFragment threeFragment;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //初始化数据
    initDatas();
    initView();

}

private void initDatas() {

    oneFragment = new OneFragment();
    twoFragment = new TwoFragment();
    threeFragment = new ThreeFragment();

}

private void initView() {

    video = (TextView) findViewById(R.id.video);
    mine = (TextView) findViewById(R.id.mine);
    manager = getSupportFragmentManager();

    frameLayout = (FrameLayout) findViewById(R.id.frameLayout);
    nav = (NavigationView) findViewById(R.id.nav);
    draw = (DrawerLayout) findViewById(R.id.draw);
    nav.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {


        @Override
        public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {

          switch (menuItem.getItemId()){
              case R.id.first:
                 manager.beginTransaction().replace(R.id.frameLayout,oneFragment).commit();
                  draw.closeDrawers();
                  break;
              case R.id.video:
                  manager.beginTransaction().replace(R.id.frameLayout,twoFragment).commit();
                  draw.closeDrawers();
                  break;
              case R.id.mine:
                  manager.beginTransaction().replace(R.id.frameLayout,threeFragment).commit();
                  draw.closeDrawers();
                  break;
          }
            return false;
        }
    });
}

}
Menu文件

<?xml version="1.0" encoding="utf-8"?>

<item
    android:orderInCategory="30"
    android:id="@+id/first"
    android:title="首页"
    ></item>
<item
    android:orderInCategory="30"
    android:id="@+id/video"
    android:title="视频"
    ></item>
<item
    android:orderInCategory="30"
    android:id="@+id/mine"
    android:title="我的"
    ></item>