android入门实例_猜拳游戏

<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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/txt1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="猜拳游戏"
        android:gravity="center" />
    <LinearLayout
        android:layout_width="match_parent" 
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        >
        <LinearLayout 
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="vertical"
            android:gravity="center"
            >
            <ImageView 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/one"/>  
            <RadioGroup 
                android:id="@+id/group1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content">
                <RadioButton 
                    android:id="@+id/st1"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="石头"/>
                <RadioButton 
                    android:id="@+id/jd1"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="剪刀"/>
                <RadioButton 
                    android:id="@+id/bu1"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="布"/>
            </RadioGroup>   
        </LinearLayout>
        <LinearLayout 
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="center"
            android:orientation="vertical">
            <ImageView 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/one"/>
            <RadioGroup 
                android:id="@+id/group2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content">
                <RadioButton 
                    android:id="@+id/st2"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="石头"/>
                <RadioButton 
                    android:id="@+id/jd2"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="剪刀"/>
                <RadioButton 
                    android:id="@+id/bu2"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="布"/>
            </RadioGroup>     
        </LinearLayout>
    </LinearLayout>
        <Button 
        android:id="@+id/btSure"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="确认"/>
    <LinearLayout 
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_marginTop="10dp">
        <TextView 
            android:id="@+id/txt2"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="center"
            android:text="结果"/>
        <TextView 
            android:id="@+id/resut"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="center"
            android:text="显示结果"/>
    </LinearLayout>

</LinearLayout>

package com.xiong.two_android;

import java.util.Random;
import java.math.*;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.TextView;

public class MainActivity extends Activity {

	private RadioGroup raGp1;
	private RadioGroup raGp2;

	private RadioButton roBtSt1;
	private RadioButton roBtJd1;
	private RadioButton roBtBu1;
	private RadioButton roBtSt2;
	private RadioButton roBtJd2;
	private RadioButton roBtBu2;

	private TextView txtReuslt;

	private Button btSure;
	
	private RadioButton rad1;
	private Integer i=0;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		raGp1 = (RadioGroup) findViewById(R.id.group1);
		raGp2 = (RadioGroup) findViewById(R.id.group2);
		roBtSt2 = (RadioButton) findViewById(R.id.st2);
		roBtJd2 = (RadioButton) findViewById(R.id.jd2);
		roBtBu2 = (RadioButton) findViewById(R.id.bu2);
		txtReuslt=(TextView)findViewById(R.id.resut);
		btSure = (Button) findViewById(R.id.btSure);
		RadioGroupListener raglistener=new RadioGroupListener();
		raGp1.setOnCheckedChangeListener(raglistener);
		raGp2.setOnCheckedChangeListener(raglistener);
		ButtoneSureListener bu=new ButtoneSureListener();
		btSure.setOnClickListener(bu);
	}

	class ButtoneSureListener implements OnClickListener {

		@Override
		public void onClick(View arg0) {
			// TODO Auto-generated method stub
			String txt="";
			if(!i.equals(1))
			{
				txt="少年！请选择你要出的拳头";
			}else
			{
				Random  ra=new Random();
				int number=ra.nextInt(3);//手机随机生成一个拳头
				int rad1Num=isTrues(rad1.getText().toString());
				if(number==0)
				{
					roBtSt2.setChecked(true);
				}else if(number==1)
				{
					roBtJd2.setChecked(true);
				}else if(number==2)
				{
					roBtBu2.setChecked(true);
				}
				txt=winCai(rad1Num, number);
				
			}
			txtReuslt.setText(txt);

		}

	}
	
	class RadioGroupListener implements OnCheckedChangeListener {

		@Override
		public void onCheckedChanged(RadioGroup arg0, int arg1) {
			// TODO Auto-generated method stub
			if(arg0.getId()==R.id.group1)
			{
				i=1;
			rad1=(RadioButton) findViewById(arg1);
			}
			
		}
	}

	public int isTrues(String str)
	{
		int i=-1;
		if(str.equals("石头"))
		{
			i=0;
		}else if(str.equals("剪刀"))
		{
			i=1;
		}else if(str.equals("布"))
		{
			i=2;
		}
		return i;
	}
	//判断输赢
	private String winCai(int left,int  rigth)
	{
		switch (left) {
		case 0:
			switch (rigth) {
			case 0:
				return "双赢";
			case 1:
			return "你赢";
			case 2:
				return "手机赢";
			default:
				break;
			}
		case 1:
			switch (rigth) {
			case 1:
				return "双赢";
			case 2:
			return "你赢";
			case 0:
				return "手机边赢";
			default:
				break;
			}
		case 2:
			switch (rigth) {
			case 2:
				return "双赢";
			case 0:
			return "你赢";
			case 1:
				return "手机赢";
			default:
				break;
			}
		default:
			break;
			
		}
		return "";
	}
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}