本篇文章给大家分享的是有关怎么在Android中实现一个微信公众号界面，小编觉得挺实用的，因此分享给大家学习，希望大家阅读完这篇文章后可以有所收获，话不多说，跟着小编一起来看看吧。
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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values\styles.xml添加自定义标题栏主题
#32394A
45dp
@style/CustomWindowTitleBackground
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;
}
}以上就是怎么在Android中实现一个微信公众号界面，小编相信有部分知识点可能是我们日常工作会见到或用到的。希望你能通过这篇文章学到更多知识。更多详情敬请关注创新互联行业资讯频道。
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