Android仿微信公众号界面

时间：2022-06-25 22:57:04 编辑：袖梨来源：一聚教程网

最近在做一个关于微信公众平台服务号的小项目，主要用来实现排队叫号功能。一直都对微信公众号开发比较好奇，于是趁这次机会仔细研究了一下公众号的开发流程和逻辑架构。

微信公众平台现在分为3类：订阅号，服务号和企业号。其中，服务号和企业号的开放权限比较高，可以实现自定义菜单功能，调用摄像头以及LBS等API。

基本通信架构如图：

在项目的功能设计阶段本想搭建一个服务号Demo用来展示，但微信服务号的认证手续太麻烦，而且我也没有那个资质去开通服务号。于是打算自己做一个仿微信公众号的基本界面，先实现菜单功能，避免开发初期的公众号注册，同时也方便展示。

先上效果图：

1. 界面布局

主界面布局四部分，由上到下依次是：标题栏，消息列表，底部菜弹出的子菜单，底部菜单或输入栏。

主界面基本框架main.xml代码如下：

标题栏title_bar.xml布局如下：

完成title_bar布局后，再在valuesstyles.xml添加自定义标题栏主题

消息列表的服务端消息item布局item_left.xml

消息列表的用户消息item布局item_right.xml

弹出的子菜单布局child_menu.xml如下：

由底部菜单切换到输入框，输入框bottom_menu_layout2.xml布局如下：

2. 代码实现

MainActivity.java

package com.example.wxdemo; 
 
import java.util.ArrayList; 
import java.util.HashMap; 
import java.util.List; 
import java.util.Map; 
 
import android.os.Bundle; 
import android.app.Activity; 
import android.content.Context; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.View.OnFocusChangeListener; 
import android.view.ViewGroup; 
import android.view.Window; 
import android.view.animation.Animation; 
import android.view.animation.AnimationUtils; 
import android.widget.BaseAdapter; 
import android.widget.Button; 
import android.widget.EditText; 
import android.widget.ImageView; 
import android.widget.LinearLayout; 
import android.widget.ListView; 
import android.widget.RelativeLayout; 
import android.widget.TextView; 
 
public class MainActivity extends Activity implements View.OnClickListener { 
 
  private LinearLayout bottomLayout;// 底部菜单父框架 
  private LinearLayout bottomMenuLayout1;// 底部菜单布局 
  private LinearLayout bottomMenuLayout2;// 底部输入框布局 
  private RelativeLayout btn1;// “用户绑定”按钮布局 
  private RelativeLayout btn2;// “扫描签到”按钮布局 
  private RelativeLayout btn3;// “更多”按钮布局 
  private LinearLayout popLayout1; 
  private LinearLayout popLayout2; 
  private LinearLayout popLayout3;// 弹出的子菜单父框架布局 
  private LinearLayout childLayout;// “更多”按钮的子菜单 
  private ListView lv; 
  private MyAdapter adapter; 
  private List> listData = new ArrayList>(); 
 
  private ImageView keyboard;// 底部键盘切换图标 
  private ImageView menu;// 底部菜单切换图标 
  private Button send;// 发送按钮 
  private EditText inputText;// 输入框 
 
  private boolean open = true;// 子菜单填充状态标记 
  private boolean flag = false;// 子菜单显示状态标记 
  private boolean bind = false;// 用户绑定状态标记 
 
  private Animation animEnter;// 底部菜单进入动画 
  private Animation animExit;// 底部菜单退出动画 
 
  private View view; 
  private View view2; 
  private LayoutInflater inflater; 
 
  private int myID = 0; 
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    this.requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); 
    setContentView(R.layout.main); 
    getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, 
        R.layout.title_bar);// 自定义标题栏 
 
    inflater = MainActivity.this.getLayoutInflater(); 
 
    popLayout1 = (LinearLayout) findViewById(R.id.pop_layout1); 
    popLayout2 = (LinearLayout) findViewById(R.id.pop_layout2); 
    popLayout3 = (LinearLayout) findViewById(R.id.pop_layout3); 
 
    bottomLayout = (LinearLayout) findViewById(R.id.bottom_layout); 
    bottomMenuLayout1 = (LinearLayout) findViewById(R.id.bottom_menu_layout1); 
 
    keyboard = (ImageView) findViewById(R.id.keyboard); 
    btn1 = (RelativeLayout) findViewById(R.id.btn1); 
    btn2 = (RelativeLayout) findViewById(R.id.btn2); 
    btn3 = (RelativeLayout) findViewById(R.id.btn3); 
 
    lv = (ListView) findViewById(R.id.lv); 
 
    btn1.setOnClickListener(this); 
    btn2.setOnClickListener(this); 
    btn3.setOnClickListener(this); 
    keyboard.setOnClickListener(this); 
 
    adapter = new MyAdapter(this, listData); 
    lv.setAdapter(adapter); 
 
  } 
 
  @Override 
  public void onClick(View v) { 
    // TODO Auto-generated method stub 
    int id = v.getId(); 
    switch (id) { 
    case R.id.btn1: 
      btn1Click(); 
      break; 
    case R.id.btn2: 
      break; 
    case R.id.btn3: 
      btn3Click(); 
      break; 
    case R.id.keyboard: 
      keyboardClick(); 
      break; 
    case R.id.menu: 
      menuClick(); 
      break; 
    case R.id.add: 
      sendClick(); 
      break; 
    default: 
      break; 
    } 
  } 
 
  public void btn1Click() {// 用户绑定 
    Map map = new HashMap(); 
    map.put("type", "0"); 
    if (!bind) { 
      map.put("text", "请输入您的手机号或简历ID进行帐号绑定，绑定成功后才能进行签到。"); 
    } else { 
      map.put("text", "帐号已绑定成功，请您准时签到。"); 
    } 
    listData.add(map); 
    adapter.notifyDataSetChanged(); 
  } 
 
  public void btn2Click() {// 扫描签到 
    // TODO 
  } 
 
  public void btn3Click() {// 更多 
    if (open == true) { 
      view = inflater.inflate(R.layout.child_menu, popLayout3, true); 
      childLayout = (LinearLayout) view.findViewById(R.id.child_layout); 
      open = false; 
    } 
 
    if (flag == false) { 
      flag = true; 
      childLayout.setVisibility(View.VISIBLE); 
    } else { 
      flag = false; 
      childLayout.setVisibility(View.GONE); 
    } 
  } 
 
  public void keyboardClick() {//点击键盘按钮，由底部菜单切换为底部输入 
    view2 = inflater.inflate(R.layout.bottom_menu_layout2, bottomLayout, 
        true); 
    bottomMenuLayout2 = (LinearLayout) view2 
        .findViewById(R.id.bottom_menu_layout2); 
    animEnter = AnimationUtils.loadAnimation(MainActivity.this, 
        R.anim.my_pop_enter_anim); 
    animExit = AnimationUtils.loadAnimation(MainActivity.this, 
        R.anim.my_pop_exit_anim); 
    animEnter.setStartOffset(200); 
    bottomMenuLayout1.startAnimation(animExit); 
    bottomMenuLayout1.setVisibility(View.GONE); 
    bottomMenuLayout2.startAnimation(animEnter); 
    bottomMenuLayout2.setVisibility(View.VISIBLE); 
    menu = (ImageView) view2.findViewById(R.id.menu); 
    inputText = (EditText) view2.findViewById(R.id.input_text); 
    send = (Button) view2.findViewById(R.id.add); 
    menu.setOnClickListener(this); 
    send.setOnClickListener(this); 
    inputClick(); 
  } 
 
  public void menuClick() {//点击菜单按钮，由底部输入框切换为底部菜单 
    bottomMenuLayout2.startAnimation(animExit); 
    bottomMenuLayout2.setVisibility(View.GONE); 
    bottomMenuLayout1.startAnimation(animEnter); 
    bottomMenuLayout1.setVisibility(View.VISIBLE); 
  } 
 
  public void inputClick() { 
    inputText.setOnFocusChangeListener(new OnFocusChangeListener() { 
 
      @Override 
      public void onFocusChange(View v, boolean hasFocus) { 
        // TODO Auto-generated method stub 
        if (hasFocus) { 
          send.setBackgroundResource(R.drawable.send_btn_bg); 
          send.setText("发送"); 
        } else { 
          send.setBackgroundResource(R.drawable.add); 
          send.setText(" "); 
        } 
      } 
    }); 
  } 
 
  public void sendClick() { 
    String text = inputText.getEditableText().toString(); 
    inputText.setText(""); 
    if (text != null && (!text.equals(""))) { 
      Map map; 
      map = new HashMap(); 
      map.put("type", "1");// 消息类型，服务端为0，用户为1 
      map.put("text", text); 
      listData.add(map); 
 
      map = new HashMap(); 
      map.put("type", "0"); 
      map.put("text", "帐号已绑定成功，请您准时签到。"); 
      listData.add(map); 
      adapter.notifyDataSetChanged(); 
      bind = true; 
    } 
  } 
 
  private class MyAdapter extends BaseAdapter { 
    public List> list; 
    private Context context; 
    private int type; 
    private ListView listView; 
 
    public MyAdapter(Context context, List> list) { 
      this.context = context; 
      this.list = list; 
    } 
 
    @Override 
    public int getCount() { 
      // TODO Auto-generated method stub 
      return list.size(); 
    } 
 
    @Override 
    public Object getItem(int position) { 
      // TODO Auto-generated method stub 
      return list.get(position); 
    } 
 
    @Override 
    public long getItemId(int position) { 
      // TODO Auto-generated method stub 
      return position; 
    } 
 
    @Override 
    public View getView(int position, View convertView, ViewGroup parent) { 
      // TODO Auto-generated method stub 
      ViewHolder viewHolder = null; 
      Map map = (Map) list.get(position); 
      if (map.get("type").equals("0")) {// 服务端 
        if (convertView == null) { 
          convertView = inflater.inflate(R.layout.item_left, parent, 
              false); 
          viewHolder = new ViewHolder(); 
          viewHolder.mTextView = (TextView) convertView 
              .findViewById(R.id.server_text); 
          viewHolder.mImageView = (ImageView) convertView 
              .findViewById(R.id.server_image); 
          convertView.setTag(viewHolder); 
        } else { 
          viewHolder = (ViewHolder) convertView.getTag(); 
        } 
 
        viewHolder.mTextView.setText(map.get("text")); 
 
      } else {// 用户 
        if (convertView == null) { 
          convertView = inflater.inflate(R.layout.item_right, parent, 
              false); 
          viewHolder = new ViewHolder(); 
          viewHolder.mTextView = (TextView) convertView 
              .findViewById(R.id.user_text); 
          viewHolder.mImageView = (ImageView) convertView 
              .findViewById(R.id.user_image); 
          convertView.setTag(viewHolder); 
        } else { 
          viewHolder = (ViewHolder) convertView.getTag(); 
        } 
        viewHolder.mTextView.setText(map.get("text")); 
      } 
 
      return convertView; 
    } 
 
  } 
 
  private final class ViewHolder { 
    TextView mTextView; 
    ImageView mImageView; 
  } 
 
}

以上就是实现仿微信服务号的主要代码，菜单功能并没用完全实现，可根据实际情况和需要进行添加。同时还需注意的是，底部菜单最多为3个，每个名称限制在7个字符，包含的子菜单最多只能有5个。

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