Android-->猜拳小游戏

--> 简单的 页面跳转 和 点击事件 的实现...

--> AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.dragon.android.fight"
     android:versionCode="1"
     android:versionName="1.0" >

     <uses-sdk
         android:minSdkVersion="15"
         android:targetSdkVersion="19" />

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

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

 </manifest>

AndroidManifest

--> strings.xml

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

     <string name="app_name">fight</string>
     <string name="hello_world">Hello world!</string>
     <string name="action_settings">Settings</string>
     <string name="player1">甲方</string>
     <string name="player2">乙方</string>
     <string name="choose1">石头</string>
     <string name="choose2">剪刀</string>
     <string name="choose3">布</string>
     <string name="sure">出拳</string>
     <string name="again">再来一局</string>

 </resources>

--> fragment_main.xml

 <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="#ffffff"
     tools:context="com.dragon.android.fight.MainActivity$PlaceholderFragment" >

     <TextView
         android:id="@+id/textView1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentTop="true"
         android:layout_centerHorizontal="true"
         android:layout_marginTop="36dp"
         android:text="@string/player1"
         android:textSize="30sp" />

    <RadioGroup
        android:id="@+id/radioGroup1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true" >

        <RadioButton
            android:id="@+id/radio0"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true"
            android:text="@string/choose1" />

        <RadioButton
            android:id="@+id/radio1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/choose2" />

        <RadioButton
            android:id="@+id/radio2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/choose3" />
    </RadioGroup>

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/radioGroup1"
        android:layout_below="@+id/radioGroup1"
        android:layout_marginTop="14dp"
        android:text="@string/sure" />

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="120dp"
        android:layout_height="120dp"
        android:layout_above="@+id/radioGroup1"
        android:layout_below="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:src="@drawable/b" />

 </RelativeLayout>

--> activity_other.xml

 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:background="#ffffff" >

     <TextView
         android:id="@+id/textView1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentTop="true"
         android:layout_centerHorizontal="true"
         android:layout_marginTop="36dp"
         android:text="@string/player2"
         android:textSize="30sp" />

    <RadioGroup
        android:id="@+id/radioGroup1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true" >

        <RadioButton
            android:id="@+id/radio0"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true"
            android:text="@string/choose1" />

        <RadioButton
            android:id="@+id/radio1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/choose2" />

        <RadioButton
            android:id="@+id/radio2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/choose3" />
    </RadioGroup>

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/radioGroup1"
        android:layout_below="@+id/radioGroup1"
        android:layout_marginTop="14dp"
        android:text="@string/sure" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/textView1"
        android:layout_below="@+id/button1"
        android:visibility="invisible"
        android:layout_marginTop="14dp"/>

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/textView2"
        android:layout_centerHorizontal="true"
        android:visibility="invisible"
        android:text="@string/again" />

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="120dp"
        android:layout_height="120dp"
        android:layout_above="@+id/radioGroup1"
        android:layout_below="@+id/textView1"
        android:layout_centerHorizontal="true"
        android:src="@drawable/a" />

 </RelativeLayout>

activity_main

--> MainActivity

 package com.dragon.android.fight;

 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;

 public class MainActivity extends Activity {
     // 设置一个静态变量，用于关闭Activity
     public static MainActivity instance = null;
     private RadioGroup radioGroup1;
     private Button button1;
     private ImageView imageView1;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         // 代表当前的Activity
         instance = this;
         super.onCreate(savedInstanceState);
         setContentView(R.layout.fragment_main);
         radioGroup1 = (RadioGroup) findViewById(R.id.radioGroup1);
         // 设置图片透明
         // imageView1 = (ImageView) findViewById(R.id.imageView1);
         // imageView1.getBackground().setAlpha(100);
         button1 = (Button) findViewById(R.id.button1);
         button1.setOnClickListener(new MyButtonListener());
     }

     class MyButtonListener implements OnClickListener {

         @Override
         public void onClick(View v) {
             // 得到选中的RadioButton
             RadioButton radioButton = (RadioButton) findViewById(radioGroup1
                     .getCheckedRadioButtonId());
             String radioText = radioButton.getText().toString();
             Intent intent = new Intent();
             intent.putExtra("checked", radioText);
             intent.setClass(MainActivity.this, OtherActivity.class);
             startActivity(intent);
         }
     }
 }

--> OtherActivity

 package com.dragon.android.fight;

 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;
 import android.widget.TextView;

 public class OtherActivity extends Activity {
     private RadioGroup radioGroup1;
     private Button button1;
     private TextView textView2;
     private RadioButton radioButton;
     private Button button2;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_other);
         radioGroup1 = (RadioGroup) findViewById(R.id.radioGroup1);
         button1 = (Button) findViewById(R.id.button1);
         textView2 = (TextView) findViewById(R.id.textView2);
         button2 = (Button) findViewById(R.id.button2);
         button1.setOnClickListener(new MyButtonListener());
         button2.setOnClickListener(new MyButtonListener1());
     }

     class MyButtonListener implements OnClickListener {

         @Override
         public void onClick(View v) {
             radioButton = (RadioButton) findViewById(radioGroup1
                     .getCheckedRadioButtonId());
             String buttonText = radioButton.getText().toString();
             Intent intent = getIntent();
             String checked = intent.getStringExtra("checked");
             // 设置View为可见
             textView2.setVisibility(View.VISIBLE);
             button2.setVisibility(View.VISIBLE);
             String msg = "甲出：" + checked + "\n" + "乙出：" + buttonText
                     + "\n";
             if (buttonText.equals(checked)) {
                 textView2.setText(msg + "平局");
             }
             if (buttonText.equals("石头")) {
                 if (checked.equals("剪刀")) {
                     textView2.setText(msg + "乙方赢");
                 } else if (checked.equals("布")) {
                     textView2.setText(msg + "甲方赢");
                 }
             }
             if (buttonText.equals("剪刀")) {
                 if (checked.equals("布")) {
                     textView2.setText(msg + "乙方赢");
                 } else if (checked.equals("石头")) {
                     textView2.setText(msg + "甲方赢");
                 }
             }
             if (buttonText.equals("布")) {
                 if (checked.equals("石头")) {
                     textView2.setText(msg + "乙方赢");
                 } else if (checked.equals("剪刀")) {
                     textView2.setText(msg + "甲方赢");
                 }
             }
         }
     }

     class MyButtonListener1 implements OnClickListener {

         @Override
         public void onClick(View arg0) {
             Intent intent = new Intent();
             intent.setClass(OtherActivity.this, MainActivity.class);
             finish();
             // 关闭指定Activity
             MainActivity.instance.finish();
             startActivity(intent);
         }
     }
 }