Android模拟微信主页面的Demo

效果图如下:

项目结构图如下:

ContanctFragment:

package com.demo.moniwexin;import android.app.Fragment;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;public class ContanctFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_contact, null); //测试按钮如何点击 Button wxBtn = view.findViewById(R.id.btn_test); wxBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { System.out.println("点击了通讯录模块"); } }); return view; }}

DiscoverFragment:

package com.demo.moniwexin;import android.app.Fragment;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;public class DiscoverFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_discover, null); //测试按钮如何点击 Button wxBtn = view.findViewById(R.id.btn_test); wxBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { System.out.println("点击了发现模块"); } }); return view; }}

MainActivity:

package com.demo.moniwexin;import android.app.FragmentManager;import android.app.FragmentTransaction;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;public class MainActivity extends AppCompatActivity implements View.OnClickListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); findViewById(R.id.btn_wx).setOnClickListener(this); findViewById(R.id.btn_contact).setOnClickListener(this); findViewById(R.id.btn_discover).setOnClickListener(this); findViewById(R.id.btn_me).setOnClickListener(this); } @Override public void onClick(View v) { //获取管理者 FragmentManager fragmentManager =getFragmentManager(); FragmentTransaction beginTransaction = fragmentManager.beginTransaction(); switch (v.getId()){ case R.id.btn_wx : beginTransaction.replace(R.id.ll_l,new WxFragment()); break; case R.id.btn_contact: beginTransaction.replace(R.id.ll_l,new ContanctFragment()); break; case R.id.btn_discover: beginTransaction.replace(R.id.ll_l,new DiscoverFragment()); break; case R.id.btn_me: beginTransaction.replace(R.id.ll_l,new MeFragment()); break; default: break; } beginTransaction.commit(); }}

MeFragment:

package com.demo.moniwexin;import android.app.Fragment;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;public class MeFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_me, null); //测试按钮如何点击 Button wxBtn = view.findViewById(R.id.btn_test); wxBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { System.out.println("点击了我模块"); } }); return view; }}

WxFragment:

package com.demo.moniwexin;import android.app.Fragment;import android.os.Bundle;import android.text.Layout;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;public class WxFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_wx, null); //测试按钮如何点击 Button wxBtn = view.findViewById(R.id.btn_test); wxBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { System.out.println("点击了微信模块"); } }); return view; }}

activity_main.xml:

<?xml version="1.0" encoding="utf-8"?><RelativeLayout 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"> <LinearLayout android:id="@+id/ll_l" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:orientation="horizontal"> <Button android:id="@+id/btn_wx" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="微信" /> <Button android:id="@+id/btn_contact" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="通讯录" /> <Button android:id="@+id/btn_discover" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="发现" /> <Button android:id="@+id/btn_me" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="我" /> </LinearLayout></RelativeLayout>

fragment_contact.xml:

<?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"> <TextView android:text="我是通讯录模块的内容" android:textSize="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:id="@+id/btn_test" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="测试" /></LinearLayout>

fragment_discover.xml:

<?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"> <TextView android:text="我是发现模块的内容" android:textSize="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:id="@+id/btn_test" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="测试" /></LinearLayout>

fragment_me.xml:

<?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"> <TextView android:text="我是我的模块内容" android:textSize="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:id="@+id/btn_test" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="测试" /></LinearLayout>

fragment_wx.xml:

<?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"> <TextView android:text="我是微信模块的内容" android:textSize="20dp" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:id="@+id/btn_test" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="测试" /></LinearLayout>