Android课程---qq登陆页面（练习）

 

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.hanqi.test3">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".Activity1">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".Activity3">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".ActivityLast">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Activity1.java

package com.hanqi.test3;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import java.util.Timer;
import java.util.TimerTask;

public class Activity1 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_1);
//        Intent intent = new Intent(this,Activity3.class);
        final Intent localIntent = new Intent(this, Activity3.class);
        Timer timer = new Timer();
        TimerTask tast = new TimerTask() {
            @Override
            public void run() {
                startActivity(localIntent);
            }
        };
        timer.schedule(tast,4000);


    }
}

Activity3.java

package com.hanqi.test3;


import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class Activity3 extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_3);


    }
   public void onclick1 (View v)
   {
       new AlertDialog.Builder(this)

           .setView(R.layout.loginlayout)
           .setNeutralButton("取消", null)
           .setPositiveButton("登陆", new DialogInterface.OnClickListener() {
               @Override
               public void onClick(DialogInterface dialog, int which) {
                   AlertDialog al = (AlertDialog) dialog;
                   EditText ed_pw = (EditText) al.findViewById(R.id.ed_pw);
                   String str = ed_pw.getText().toString();
                   if (str.equals("123456")) {
                       Intent intent = new Intent(Activity3.this, ActivityLast.class);
                       startActivity(intent);
                   } else {
                       Toast.makeText(Activity3.this, "密码错误，请重新输入", Toast.LENGTH_SHORT).show();
                   }

               }
           })
           .setCancelable(false)
           .show();
   }
    public void onclick2(View v)
    {
        new AlertDialog.Builder(this)
            .setView(R.layout.loginlayout2)
                .setPositiveButton("提交注册", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        AlertDialog al = (AlertDialog) dialog;
                        TextView nc_qq = (TextView) al.findViewById(R.id.nc_qq);
                        Toast.makeText(Activity3.this, "注册成功!", Toast.LENGTH_SHORT).show();
                    }
                })
                .show();

    }
    public void onclick3(View v)
    {
        final ProgressDialog pd = new ProgressDialog(this);
        pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);

        pd.setMessage("下载进度");
        pd.show();

        //创建thread实例  重写run方法  启动多线程
        new Thread()
        {
            @Override
            public void run() {
                super.run();
                for (int i = 0;i<=pd.getMax();i++)
                {
                    try {
                        Thread.sleep(100);
                    }catch (Exception e)
                    {}
                    pd.setProgress(i);
                }
                pd.dismiss();
            }
        }.start();
    }

}

ActivityLast.java

package com.hanqi.test3;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

public class ActivityLast extends AppCompatActivity
{

    List<Haoyou> lf;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_last);

        ListView yemian =(ListView)findViewById(R.id.yemian);
        //准备数据源
        lf = new ArrayList<Haoyou>();
        lf.add(new Haoyou(R.drawable.qq,"会飞的企鹅","[在线]明天上课！"));
        lf.add(new Haoyou(R.drawable.qq,"明日依旧","[在线]明天上课！2"));
        lf.add(new Haoyou(R.drawable.qq, "会飞的企鹅3", "[在线]明天上课！3"));
        lf.add(new Haoyou(R.drawable.qq, "会飞的企鹅4", "[在线]明天上课！4"));
        yemian.setAdapter(new MyBaseAdapter());

    }
    class MyBaseAdapter extends BaseAdapter
    {

        @Override
        public int getCount()
        {

            return lf.size();
        }


        @Override
        public Object getItem(int position)
        {
            return lf.get(position);
        }

        @Override
        public long getItemId(int position)
        {
            return position;
        }

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

            if (convertView == null)
            {
                Log.e("TAG", "position = " + position);


                LayoutInflater layoutInflater = getLayoutInflater();
                convertView = layoutInflater.inflate(R.layout.loginlayout3, null);
            }

                Haoyou haoyou = lf.get(position);

                ImageView qq = (ImageView) convertView.findViewById(R.id.tx_qq);
                TextView tv1 = (TextView) convertView.findViewById(R.id.tv1);
                TextView tv2 = (TextView) convertView.findViewById(R.id.tv2);

                qq.setImageResource((int) haoyou.getImage());
                tv1.setText(haoyou.getName());
                tv2.setText(haoyou.getContent());

                return convertView;

        }
    }
}

Haoyou.java

package com.hanqi.test3;

/**
 * Created by Administrator on 2016/4/9.
 */
public class Haoyou {

    private int image;
    private String name;
    private String content;



    public Haoyou(int image, String name, String content) {
        this.image = image;
        this.name = name;
        this.content = content;
    }

    public void setName(String name) {
        this.name = name;

    }

    public void setImage(int image) {
        this.image = image;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public int getImage() {

        return image;
    }

    public String getName() {
        return name;
    }

    public String getContent() {
        return content;
    }
    @Override
    public String toString() {
        return "Haoyou{" +
                "image=" + image +
                ", name='" + name + '\'' +
                ", content='" + content + '\'' +
                '}';
    }
}

MainActivity.java

package com.hanqi.test3;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    public void onclick(View v)
         {
             Intent intent = new Intent(this,Activity1.class);
             startActivity(intent);

         }

    }

 activity_main.xml

<?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"
    tools:context="com.hanqi.test3.MainActivity"
    android:padding="20dp">

    <ImageButton
        android:layout_width="68dp"
        android:layout_height="68dp"
        android:src="@drawable/mobileqq"
        android:onClick="onclick"/>
</RelativeLayout>

activity_3.xml

<?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"
    tools:context="com.hanqi.test3.Activity3"
    android:orientation="vertical"
    android:gravity="center">
    <ImageView
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@drawable/qq"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="登陆"
        android:id="@+id/dl_qq"
        android:onClick="onclick1"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="注册"
        android:id="@+id/zc_qq"
        android:onClick="onclick2"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="升级最新版"
        android:id="@+id/sj_qq"
        android:onClick="onclick3"/>

</LinearLayout>

activity_1.xml

<?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"
    tools:context="com.hanqi.test3.Activity1">
    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:src="@drawable/beijing"/>

</RelativeLayout>

activity_last.xml

<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:divider="#0ff"
    android:dividerHeight="3dp"
    android:id="@+id/yemian">

</ListView>

loginlayout.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"
    android:orientation="vertical">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:src="@drawable/title"
        android:scaleType="fitXY"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="用户名"
        android:id="@+id/ed_username"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="密码"
        android:inputType="textPassword"
        android:id="@+id/ed_pw"/>

</LinearLayout>

loginlayout2.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"
    android:orientation="vertical">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="昵称"
        android:padding="10dp"
        android:id="@+id/nc_qq"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="昵称不可以为空"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="密码"
        android:padding="10dp"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="长度为6-16个字符"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="生日"
            android:padding="10dp"/>
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        >
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="性别"
            android:padding="10dp"/>

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="男"
            />
        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="女"
            />
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        >
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="地区"
            android:padding="10dp"/>
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="手机号"
            android:padding="10dp"/>
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="必须是数字"/>
    </LinearLayout>




</LinearLayout>

loginlayout.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">
    <ImageView
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:src="@drawable/qq"
        android:id="@+id/tx_qq"/>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:layout_gravity="center_vertical"
        android:layout_marginLeft="20dp">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="会飞的企鹅"
            android:id="@+id/tv1"/>
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="[在线]明天上课！"
            android:id="@+id/tv2"/>

    </LinearLayout>

</LinearLayout>

效果图如下：