模拟QQ聊天系统-安卓源代码

时间：2021-03-01 03:32:07

利用课余时间随便写的一个小东西，都是一起学习。

先上图：

模拟QQ聊天系统-安卓源代码模拟QQ聊天系统-安卓源代码模拟QQ聊天系统-安卓源代码模拟QQ聊天系统-安卓源代码

package com.example.nanchen.listviewdemo.adapter;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ArrayAdapter;

import android.widget.LinearLayout;

import android.widget.TextView;

import com.example.nanchen.listviewdemo.adapter_content.Msg;

import com.example.nanchen.listviewdemo.R;

import java.util.List;

/**

 * Created by nanchen on 2016/3/28.

 *

 */

public class MsgAdapter extends ArrayAdapter<Msg> {

    private int resourceId;

    public MsgAdapter(Context context, int resource, List<Msg> objects) {

        super(context, resource, objects);

        resourceId = resource;

    }

    @Override

    public View getView(int position, View convertView, ViewGroup parent) {

        Msg msg = getItem(position);

        viewHolder viewHolder;

        if(convertView == null){

            convertView = LayoutInflater.from(getContext()).inflate(resourceId,null);

            viewHolder = new viewHolder();

            viewHolder.leftLayout = (LinearLayout) convertView.findViewById(R.id.left_layout);

            viewHolder.rightLayout = (LinearLayout) convertView.findViewById(R.id.right_layout);

            viewHolder.leftMsg = (TextView) convertView.findViewById(R.id.left_msg);

            viewHolder.rightMsg = (TextView) convertView.findViewById(R.id.right_msg);

            convertView.setTag(viewHolder);

        }else{

            viewHolder = (MsgAdapter.viewHolder) convertView.getTag();

        }

        if (msg.getType() == Msg.TYPE_RECEIVED){//若是收到的消息，则隐藏右布局，显示左布局

            viewHolder.leftLayout.setVisibility(View.VISIBLE);

            viewHolder.rightLayout.setVisibility(View.GONE);

            viewHolder.leftMsg.setText(msg.getContent());

        }else if(msg.getType() == Msg.TYPE_SENT){

            viewHolder.leftLayout.setVisibility(View.GONE);

            viewHolder.rightLayout.setVisibility(View.VISIBLE);

            viewHolder.rightMsg.setText(msg.getContent());

        }

        return convertView;

    }

    class viewHolder{

        LinearLayout leftLayout;

        LinearLayout rightLayout;

        TextView leftMsg;

        TextView rightMsg;

    }

}

　　

package com.example.nanchen.listviewdemo.adapter;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ArrayAdapter;

import android.widget.ImageView;

import android.widget.TextView;

import com.example.nanchen.listviewdemo.adapter_content.Person;

import com.example.nanchen.listviewdemo.R;

import java.util.List;

/**

 *

 * Created by nanchen on 2016/3/22.

 */

public class PersonAdapter extends ArrayAdapter<Person> {

    private int resourceId;

    public PersonAdapter(Context context, int textViewResourceId, List<Person> objects) {

        super(context, textViewResourceId, objects);

        resourceId = textViewResourceId;

    }

    @Override

    public View getView(int position, View convertView, ViewGroup parent) {

        Person person = getItem(position);

        ViewHolder viewHolder;

        if(convertView == null){

            convertView = LayoutInflater.from(getContext()).inflate(resourceId ,null);

            viewHolder = new ViewHolder();

            viewHolder.imageView_person = (ImageView) convertView.findViewById(R.id.imageView_person);

            viewHolder.textView_name = (TextView) convertView.findViewById(R.id.textView_name);

            convertView.setTag(viewHolder);

        }else{

            //            view = convertView;

            viewHolder = (ViewHolder) convertView.getTag();

        }

        viewHolder.imageView_person.setImageResource(person.getImageId());

        viewHolder.textView_name.setText(person.getName());

        return convertView;

    }

    class ViewHolder{

        ImageView imageView_person;

        TextView textView_name;

    }

}
package com.example.nanchen.listviewdemo.adapter_content;

/**

 * Created by nanchen on 2016/3/28.

 * 存储消息类型和内容的类

 */

public class Msg {

    public static final int TYPE_RECEIVED = 0;

    public static final int TYPE_SENT = 1;

    private String content;

    private int type;

    public Msg(String content, int type) {

        this.content = content;

        this.type = type;

    }

    public String getContent() {

        return content;

    }

    public int getType() {

        return type;

    }

}
package com.example.nanchen.listviewdemo.adapter_content;

/**

 * Created by nanchen on 2016/3/22.

 */

public class Person {

    private String name;

    private int imageId;

    public Person(String name, int imageId) {

        this.name = name;

        this.imageId = imageId;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public int getImageId() {

        return imageId;

    }

    public void setImageId(int imageId) {

        this.imageId = imageId;

    }

}
 package com.example.nanchen.listviewdemo.data;

 import android.os.Parcel;

 import android.os.Parcelable;

 /**

  *

  * Created by nanchen on 2016/3/22.

  */

 public class User implements Parcelable {

     private String userName;

     private String pwd;

     public String getPwd() {

         return pwd;

     }

     public void setPwd(String pwd) {

         this.pwd = pwd;

     }

     public String getUserName() {

         return userName;

     }

     public void setUserName(String userName) {

         this.userName = userName;

     }

     @Override

     public int describeContents() {

         return 0;

     }

     @Override

     public void writeToParcel(Parcel dest, int flags) {

         dest.writeString(userName);

         dest.writeString(pwd);

     }

     //对象的创建器

     public static final Parcelable.Creator<User> CREATOR = new Parcelable.Creator<User>(){

         @Override

         public User createFromParcel(Parcel source) {

             User user = new User();

             user.userName = source.readString();

             user.pwd = source.readString();

             return user;

         }

         @Override

         public User[] newArray(int size) {

             return new User[0];

         }

     };

 }
 package com.example.nanchen.listviewdemo;

 import android.app.Activity;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * Created by nanchen on 2016/3/28.

  * 退出程序的最佳方案，写一个活动收集器

  */

 public class ActivityCollector {

     public static List<Activity> activities = new ArrayList<>();

     public static void addActivity(Activity activity){

         activities.add(activity);

     }

     public static void removeActivity(Activity activity){

         activities.remove(activity);

     }

     public static void finishAll(){

         for (Activity activity:activities){

             if (!activity.isFinishing()){

                 activity.finish();

             }

         }

     }

 }
 package com.example.nanchen.listviewdemo;

 import android.app.Activity;

 import android.os.Bundle;

 import android.util.Log;

 /**

  * Created by nanchen on 2016/3/28.

  * 用于知晓当前是在哪一个活动

  * 活动的最佳写法

  */

 public class BaseActivity extends Activity {

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         Log.d("BaseActivity", getClass().getSimpleName());

         ActivityCollector.addActivity(this);

     }

     @Override

     protected void onDestroy() {

         super.onDestroy();

         ActivityCollector.removeActivity(this);

     }

 }
package com.example.nanchen.listviewdemo;

import android.content.DialogInterface;

import android.content.Intent;

import android.os.Bundle;

import android.support.v7.app.AlertDialog;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.Toast;

import com.example.nanchen.listviewdemo.adapter.MsgAdapter;

import com.example.nanchen.listviewdemo.adapter_content.Msg;

import java.util.ArrayList;

import java.util.List;

public class ChatActivity extends BaseActivity {

    private ListView listView_msg;

    private EditText editText_input;

    private Button button_send,button_back,button_add;

    private MsgAdapter msgAdapter;

    private List<Msg> msgList = new ArrayList<>();

    private TextView textView_person_name;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_chat);

        initMsg();

        msgAdapter = new MsgAdapter(this,R.layout.msg_item,msgList);

        listView_msg = (ListView) findViewById(R.id.listView_msg);

        listView_msg.setAdapter(msgAdapter);

        editText_input = (EditText) findViewById(R.id.editText_send);

        editText_input.clearFocus();

        button_send = (Button) findViewById(R.id.button_send);

        button_send.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                String content = editText_input.getText().toString();

                if(content.isEmpty()){//用户输入消息为空，则弹出一个警告框

                    final AlertDialog.Builder builder = new AlertDialog.Builder(ChatActivity.this);

                    builder.setTitle("警告");

                    builder.setMessage("输入的消息不能为空！");

                    builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {

                        @Override

                        public void onClick(DialogInterface dialog, int which) {

                            dialog.dismiss();

                        }

                    });

                    builder.show();

                }else{

                    Msg msg = new Msg(content,Msg.TYPE_SENT);

                    msgList.add(msg);

                    msgAdapter.notifyDataSetChanged();//当有新消息时，刷新ListView中的显示

                    listView_msg.setSelection(msgList.size());//将ListView定位到最后一行

                    editText_input.setText("");//清空输入框中的内容

                }

            }

        });

        button_back = (Button) findViewById(R.id.button_back);

        button_back.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                finish();

            }

        });

        button_add = (Button) findViewById(R.id.button_add);

        button_add.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                Toast.makeText(ChatActivity.this,"你点击了添加按钮!!!",Toast.LENGTH_SHORT).show();

            }

        });

        textView_person_name = (TextView) findViewById(R.id.textView_person_name);

        Intent intent = getIntent();

        String person_name = intent.getStringExtra("PERSON_NAME");

        textView_person_name.setText(person_name);

    }

    private void initMsg() {

        Msg msg = new Msg("Hello!",Msg.TYPE_SENT);

        msgList.add(msg);

        Msg msg1 = new Msg("Hello!How are you?",Msg.TYPE_RECEIVED);

        msgList.add(msg1);

        Msg msg2 = new Msg("I am fine,and you?",Msg.TYPE_SENT);

        msgList.add(msg2);

        Msg msg3 = new Msg("I am ok!",Msg.TYPE_RECEIVED);

        msgList.add(msg3);

    }

}
package com.example.nanchen.listviewdemo;

import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.text.TextUtils;

import android.view.View;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.EditText;

import android.widget.ImageButton;

import android.widget.Toast;

import com.example.nanchen.listviewdemo.data.User;

public class LoginActivity extends BaseActivity {

    private EditText editText_userName,editText_pwd;

    private CheckBox checkBox_pwd,checkBox_autoLogin;

    private SharedPreferences sp;

    private ImageButton imageButton_exit;

    private Button button_login;

    private String userName,pwd;

    private Button button_regist;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_login);

        //获得实例对象

        sp = this.getSharedPreferences("userInfo", Context.MODE_PRIVATE);

        editText_userName = (EditText) findViewById(R.id.editText_userName);

        editText_pwd = (EditText) findViewById(R.id.editText_pwd);

        imageButton_exit = (ImageButton) findViewById(R.id.ib_exit);

        button_login = (Button) findViewById(R.id.button_login);

        checkBox_autoLogin = (CheckBox) findViewById(R.id.checkBox_autoLogin);

        checkBox_pwd = (CheckBox) findViewById(R.id.checkBox_pwd);

        button_regist = (Button) findViewById(R.id.button_regist1);

        //判断记住密码框状态

        if(sp.getBoolean("ISCHECK",false)){//false是默认值

            //设置默认是选择状态

            checkBox_pwd.setChecked(true);

            userName = sp.getString("USER_NAME","");

            pwd = sp.getString("PWD","");

            editText_userName.setText(userName);

            editText_pwd.setText(pwd);

            //判断自动登录复选框状态

            if(sp.getBoolean("AUTO_ISCHECK",false)){

                //设置自动登录框状态

                checkBox_autoLogin.setChecked(true);

                Intent intent = new Intent(LoginActivity.this,MainActivity.class);

                startActivity(intent);

            }

        }

        button_login.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                userName = editText_userName.getText().toString();

                pwd = editText_pwd.getText().toString();

                if(TextUtils.isEmpty(userName) || TextUtils.isEmpty(pwd)){//如果用户名或者密码为空

                    Toast.makeText(LoginActivity.this, "用户名或密码不能为空！", Toast.LENGTH_SHORT).show();

                }else {

                    if(userName.equals("liushilin") && pwd.equals("luochunyan")){

                        Toast.makeText(LoginActivity.this,"登录成功！正在获取用户信息...",Toast.LENGTH_SHORT).show();

                        //如果用户选择记住密码，则把用户信息存在xml文件中

                        if(checkBox_pwd.isChecked()){

                            SharedPreferences.Editor editor = sp.edit();

                            editor.putString("USER_NAME",userName);

                            editor.putString("PWD",pwd);

                            editor.commit();

                        }

                        //主界面的跳转

                        Intent intent = new Intent(LoginActivity.this,MainActivity.class);

                        //                        intent.putExtra("USER_NAME",userName);

                        //                        intent.putExtra("PWD",pwd);

                        User user = new User();

                        user.setUserName(userName);

                        user.setPwd(pwd);

                        intent.putExtra("USER",user);

                        startActivity(intent);

                    }else{

                        Toast.makeText(LoginActivity.this,"用户名或密码不正确，请重新输入！",Toast.LENGTH_SHORT).show();

                    }

                }

            }

        });

        //监听记住密码复选框的按钮事件

        checkBox_pwd.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

            @Override

            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

                SharedPreferences.Editor editor = sp.edit();

                if(checkBox_pwd.isChecked()){

                    editor.putBoolean("ISCHECK", true).commit();

                }else{

                    editor.putBoolean("ISCHECK",false).commit();

                }

            }

        });

        //监听自动登录按钮事件

        checkBox_autoLogin.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

            @Override

            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

                if(checkBox_autoLogin.isChecked()){

                    sp.edit().putBoolean("AUTO_ISCHECK",true).commit();

                }else {

                    sp.edit().putBoolean("AUTO_ISCHECK",false).commit();

                }

            }

        });

        //监听退出按钮事件

        imageButton_exit.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

//                finish();

                ActivityCollector.finishAll();//退出当前应用程序

            }

        });

        button_regist.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                startActivity(new Intent(LoginActivity.this,RegistActivity.class));

            }

        });

    }

}

　　

package com.example.nanchen.listviewdemo;

import android.content.Intent;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.view.View;

import android.widget.AbsListView;

import android.widget.AdapterView;

import android.widget.ListView;

import com.example.nanchen.listviewdemo.adapter.PersonAdapter;

import com.example.nanchen.listviewdemo.adapter_content.Person;

import java.util.ArrayList;

import java.util.List;

/**

 * 使用线程机制模拟下拉加载数据的ListView控件使用

 */

public class MainActivity extends BaseActivity implements AbsListView.OnScrollListener{

    private static final int DATA_UPDATE = 0x1;

    private ListView listView;

    private List<Person> personList = new ArrayList<>();

    private PersonAdapter personAdapter;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        listView = (ListView) findViewById(R.id.listView);

        listView.setOnScrollListener(this);

        View footerView = getLayoutInflater().inflate(R.layout.loading_layout,null);

        listView.addFooterView(footerView);

        initData();

        personAdapter = new PersonAdapter(this,R.layout.list_item,personList);

        listView.setAdapter(personAdapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override

            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

//                Toast.makeText(MainActivity.this,"你选择了"+personList.get(position).getName(),Toast.LENGTH_SHORT).show();

                Intent intent = new Intent(MainActivity.this,ChatActivity.class);

                intent.putExtra("PERSON_NAME",personList.get(position).getName());

                startActivity(intent);

            }

        });

    }

    /**

     * 初始化数据

     */

    private void initData(){

        Person person1 = new Person("刘世麟",R.mipmap.a_1);

        personList.add(person1);

        Person person2 = new Person("罗春燕",R.mipmap.a_2);

        personList.add(person2);

        Person person3 = new Person("王足英",R.mipmap.a_3);

        personList.add(person3);

        Person person4 = new Person("蔡何",R.mipmap.a_4);

        personList.add(person4);

        Person person5 = new Person("李兴",R.mipmap.a_5);

        personList.add(person5);

        Person person6 = new Person("李强",R.mipmap.a_6);

        personList.add(person6);

        Person person7 = new Person("李添顺",R.mipmap.a_7);

        personList.add(person7);

        Person person8 = new Person("晏贵秀",R.mipmap.a_8);

        personList.add(person8);

        Person person9 = new Person("周芳",R.mipmap.a_9);

        personList.add(person9);

        Person person10 = new Person("韩思明",R.mipmap.a_10);

        personList.add(person10);

        Person person11 = new Person("晏蜀杰",R.mipmap.a_11);

        personList.add(person11);

        Person person12 = new Person("马巍乃",R.mipmap.a_12);

        personList.add(person12);

    }

    private int visibleLastIndex;//用来可显示的最后一条数据的索引

    @Override

    public void onScrollStateChanged(AbsListView view, int scrollState) {

        if(personAdapter.getCount() == visibleLastIndex && scrollState == SCROLL_STATE_IDLE){

            new LoadDataThread().start();

        }

    }

    @Override

    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {

        visibleLastIndex = firstVisibleItem + visibleItemCount - 1;//减去最后一个加载中那条

    }

    /**

     * 线程间通信的机制

     */

    private Handler handler = new Handler(){

        @Override

        public void handleMessage(Message msg) {

            super.handleMessage(msg);

            switch (msg.what){

                case DATA_UPDATE:

                    personAdapter.notifyDataSetChanged();

                    break;

            }

        }

    };

    /**

     * 模拟加载数据的线程

     */

    class LoadDataThread extends  Thread{

        @Override

        public void run() {

            initData();

            try {

                Thread.sleep(2000);

            } catch (InterruptedException e) {

                e.printStackTrace();

            }

            handler.sendEmptyMessage(DATA_UPDATE);//通过handler发送一个更新数据的标记

        }

    }

}

　　

package com.example.nanchen.listviewdemo;

import android.content.DialogInterface;

import android.content.Intent;

import android.os.Bundle;

import android.support.v7.app.AlertDialog;

import android.view.View;

import android.widget.Button;

public class RegistActivity extends BaseActivity {

    private Button button_regist;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_regist);

        button_regist = (Button) findViewById(R.id.button_regist);

        button_regist.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                AlertDialog.Builder builder = new AlertDialog.Builder(RegistActivity.this);

                builder.setTitle("注册");

                builder.setMessage("确认注册吗？");

                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {

                    @Override

                    public void onClick(DialogInterface dialog, int which) {

                        startActivity(new Intent(RegistActivity.this, LoginActivity.class));

                    }

                });

                builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {

                    @Override

                    public void onClick(DialogInterface dialog, int which) {

                        startActivity(new Intent(RegistActivity.this, LoginActivity.class));

                    }

                });

                builder.show();

            }

        });

    }

}

　　

package com.example.nanchen.listviewdemo;

import android.content.Intent;

import android.os.Bundle;

import android.os.Handler;

public class SplashActivity extends BaseActivity {

//    private static final int STATR_ACTIVITY = 0x1;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_splash);

//        requestWindowFeature(Window.FEATURE_NO_TITLE);

//        handler.sendEmptyMessageDelayed(STATR_ACTIVITY,2000);

        new Handler().postDelayed(new Runnable() {

            @Override

            public void run() {

                startActivity(new Intent(SplashActivity.this,LoginActivity.class));

            }

        },3000);

    }

//    private Handler handler = new Handler(){

//        @Override

//        public void handleMessage(Message msg) {

//            super.handleMessage(msg);

//            switch(msg.what){

//                case STATR_ACTIVITY:

//                    startActivity(new Intent(SplashActivity.this,LoginActivity.class));

//                    break;

//            }

//        }

//    };

}

　　

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

<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.example.nanchen.listviewdemo.ChatActivity">

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="0dp"

        android:orientation="horizontal"

        android:layout_weight="1">

        <Button

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="Back"

            android:textAllCaps="false"

            android:id="@+id/button_back"/>

        <TextView

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:id="@+id/textView_person_name"

            android:layout_weight="4"

            android:gravity="center"

            />

        <Button

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="+"

            android:textSize="18dp"

            android:id="@+id/button_add"/>

    </LinearLayout>

    <ListView

        android:layout_width="match_parent"

        android:layout_height="0dp"

        android:layout_weight="7"

        android:id="@+id/listView_msg">

    </ListView>

    <LinearLayout

        android:layout_weight="1"

        android:layout_width="match_parent"

        android:orientation="horizontal"

        android:layout_height="0dp">

        <EditText

            android:layout_width="0dp"

            android:layout_weight="3"

            android:id="@+id/editText_send"

            android:hint="请输入你想输入的话.."

            android:layout_height="wrap_content"/>

        <Button

            android:layout_width="0dp"

            android:layout_weight="1"

            android:text="发送"

            android:textSize="20dp"

            android:id="@+id/button_send"

            android:layout_height="wrap_content"/>

    </LinearLayout>

</LinearLayout>

　　

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

                xmlns:tools="http://schemas.android.com/tools"

                android:layout_width="match_parent"

                android:layout_height="match_parent"

                android:orientation="vertical"

                android:background="@mipmap/logo_bg"

                tools:context=".LoginActivity"

              android:weightSum="1">

    <RelativeLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_weight="0.53"

        >

        <ImageButton

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:id="@+id/ib_exit"

            android:layout_alignParentRight="true"

            android:src="@mipmap/quit"/>

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="用 户 名："

            android:textSize="18dp"

            android:paddingTop="18dp"

            android:id="@+id/textView"

            android:layout_alignParentTop="true"

            android:layout_alignParentStart="true"/>

        <EditText

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:id="@+id/editText_userName"

            android:hint="请输入用户名..."

            android:layout_below="@+id/textView"

            android:layout_alignParentStart="true"

            android:layout_alignEnd="@+id/ib_exit"/>

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="密 码："

            android:textSize="18dp"

            android:id="@+id/textView2"

            android:layout_below="@+id/editText_userName"

            android:layout_alignParentStart="true"/>

        <EditText

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:inputType="textPassword"

            android:hint="请输入密码..."

            android:ems="10"

            android:id="@+id/editText_pwd"

            android:layout_below="@+id/textView2"

            android:layout_alignParentStart="true"

            android:layout_alignParentEnd="true"/>

        <CheckBox

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="记住密码"

            android:id="@+id/checkBox_pwd"

            android:checked="false"

            android:layout_centerVertical="true"

            android:layout_alignParentStart="true"

            android:layout_marginStart="27dp"/>

        <CheckBox

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="自动登录"

            android:id="@+id/checkBox_autoLogin"

            android:checked="false"

            android:layout_below="@+id/checkBox_pwd"

            android:layout_alignStart="@+id/checkBox_pwd"/>

        <Button

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="登录"

            android:id="@+id/button_login"

            android:layout_alignBottom="@+id/checkBox_autoLogin"

            android:layout_toEndOf="@+id/checkBox_pwd"

            android:layout_marginStart="64dp"/>

        <Button

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="注册"

            android:id="@+id/button_regist1"

            android:textAllCaps="false"

            android:layout_alignTop="@+id/button_login"

            android:layout_toEndOf="@+id/button_login"/>

    </RelativeLayout>

</LinearLayout>

　　

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

<RelativeLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@mipmap/login_bg"

    tools:context="com.example.nanchen.listviewdemo.MainActivity">

    <ListView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/listView"

        android:dividerHeight="3.1dp"

        android:layout_alignParentTop="true"

        android:layout_alignParentStart="true"

        />

</RelativeLayout>

　　

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

<RelativeLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    android:background="@mipmap/login_bg"

    tools:context="com.example.nanchen.listviewdemo.RegistActivity">

    <LinearLayout

        android:orientation="horizontal"

        android:paddingTop="50dp"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="113dp"

        android:layout_alignParentTop="true"

        android:layout_alignParentStart="true">

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:textSize="20dp"

            android:text="用户名："

            android:id="@+id/textView"/>

        <EditText

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:id="@+id/editText_name"

            android:layout_weight="1"/>

    </LinearLayout>

    <LinearLayout

        android:orientation="horizontal"

        android:paddingTop="100dp"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="113dp"

        android:layout_alignParentTop="true"

        android:layout_alignParentStart="true"

        android:id="@+id/linearLayout">

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:textSize="20dp"

            android:text="密    码："

            android:id="@+id/textView3"/>

        <EditText

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:id="@+id/editText"

            android:layout_weight="1"/>

    </LinearLayout>

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="完成注册"

        android:id="@+id/button_regist"

        android:layout_marginTop="42dp"

        android:layout_below="@+id/linearLayout"

        android:layout_centerHorizontal="true"/>

</RelativeLayout>

　　

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

<RelativeLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@mipmap/app_start3"

    tools:context="com.example.nanchen.listviewdemo.SplashActivity">

</RelativeLayout>

　　

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

              android:layout_width="match_parent"

              android:padding="6dp"

              android:layout_height="match_parent">

    <ImageView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/imageView_person"/>

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="New Text"

        android:id="@+id/textView_name"/>

</LinearLayout>

　　

<?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">

    <ProgressBar

        style="?android:attr/progressBarStyleSmall"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/progressBar"/>

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="正在玩命加载中..."

        android:id="@+id/textView"/>

</LinearLayout>

　　

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

              android:layout_width="match_parent"

              android:padding="6dp"

              android:orientation="vertical"

              android:layout_height="match_parent">

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/left_layout"

        android:layout_gravity="left"

        android:background="#c000dd">

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_gravity="center"

            android:id="@+id/left_msg"

            android:layout_margin="10dp"

            android:textColor="#fff"

            />

    </LinearLayout>

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/right_layout"

        android:layout_gravity="right"

        android:background="#00e6ff">

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:id="@+id/right_msg"

            android:layout_gravity="center"

            android:layout_margin="10dp"/>

    </LinearLayout>

</LinearLayout>

　　

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