学习Android之第四个小程序猜拳（代码实现MENU、自定义对话框）

2021-09-08 07:53:35

效果图如下：

点击“菜单”键：

点击”关于“：

点击“出拳”：

一共建立了两个包，一个包中两个activity，另一个包中computer类，people类。

此程序主要穿插自定义对话框和代码实现菜单知识。

代码如下：

MainAcitity.java

package cn.edu.bzu.caiquan.activity;



import cn.edu.bzu.test.R;
import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;

import android.view.View.OnClickListener;
import android.widget.*;

public class MainActivity extends Activity {
	
	public static final int MENU_ABOUT=1;  //关于菜单
	public static final int MENU_EXIT =2;  //关于菜单
	
	RadioButton shitou;
	RadioButton jianzi;
	RadioButton bu;
	Button chuquan;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
             
    }
    
    
    public void init(){
    	shitou = (RadioButton)findViewById(R.id.shitou);
    	jianzi = (RadioButton)findViewById(R.id.jianzi);
    	bu = (RadioButton)findViewById(R.id.bu);
    	
    	chuquan = (Button)findViewById(R.id.dongzuo);
    	chuquan.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				
				int i;
				
				if(shitou.isChecked()) {
					i = 1;
					
				}else if(jianzi.isChecked()){
					i = 2;
					
				}else{
					i = 3;
					
				}

				Intent intent = new Intent();
				intent.putExtra("people", i);
				intent.setClass(MainActivity.this,SecondAcitity.class );
				intent.putExtras(intent);
				startActivity(intent);
			
			}
		});
    }
    
    
   /**
    * 使用自定义对话框
    */
    @Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		
		case MENU_ABOUT:
			LayoutInflater layoutInflater = getLayoutInflater();
			View view = layoutInflater.inflate(R.layout.dialog_item, null);
			AlertDialog.Builder builder = new AlertDialog.Builder(this);
			builder.setTitle("关于")
			.setView(view)
			.setPositiveButton("确定", new DialogInterface.OnClickListener() {
				
				public void onClick(DialogInterface dialog, int which) {
					dialog.dismiss();
					
				}
			}).show();
			
			break;
		case MENU_EXIT:
			MainActivity.this.finish();
			break;
		}
		return super.onOptionsItemSelected(item);
	}

    /**
     * 代码实现菜单
     */
	@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);
    	menu.add(0, MENU_ABOUT, 1, "关于");
    	menu.add(0, MENU_EXIT, 2, "退出");
        return true;
    }
    
}

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

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="请你选择要出的拳头" />

    <RadioGroup
        android:id="@+id/chuquan"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" 
        android:layout_marginTop="30dp"
        android:orientation="horizontal">
        
        <RadioButton 
            android:id="@+id/shitou"
            android:layout_width="wrap_content" 
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="石头"/>
        <RadioButton 
            android:id = "@+id/jianzi"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="剪子"/>
        <RadioButton 
            android:id="@+id/bu"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="布"/>
        
    </RadioGroup>
    
    <Button 
        android:id="@+id/dongzuo"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="120dp"
        android:layout_centerHorizontal="true"
        android:text="出拳"/>

</RelativeLayout>

SecondAcitivity.java

package cn.edu.bzu.caiquan.activity;

import cn.edu.bzu.caiquan.lei.Computer;
import cn.edu.bzu.caiquan.lei.People;
import cn.edu.bzu.test.R;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class SecondAcitity extends Activity{
	
	TextView textView;
	
	 @Override
	    protected void onCreate(Bundle savedInstanceState) {
	        super.onCreate(savedInstanceState);
	        setContentView(R.layout.second_acitity);
	        
	        textView = (TextView)findViewById(R.id.TV1);
	        
	        Bundle bundle = this.getIntent().getExtras(); //接受传来的值
	        int chuquan = bundle.getInt("people");
	        
	        People people = new People(chuquan);
	        Computer computer = new Computer();
	        computer.setChuQuFanfShi( computer.chuquan());
	        
	       /**
	        * 为使代码更简洁，可以将下列代码抽出。
	        */
	        
	        int peo = people.getChuQuFanfShi();
	        int com = computer.getChuQuFanfShi();
	        
	    	if(peo==1&&com==2||peo==2&&com==3||peo==3&&com==1){
	    		if(peo==1){
	    			textView.setText("玩家：石头"+"VS"+"电脑：剪子");
	    		}
	    		if(peo==2){
	    			textView.setText("玩家：剪子"+"VS"+"电脑：布");
	    		}
	    		if(peo==3){
	    			textView.setText("玩家：布"+"VS"+"电脑：石头");
	    		}
	    		textView.append("\n赢");
			}else if(com==1&&peo==2||com==2&&peo==3||com==3&&peo==1){
				if(peo==1){
	    			textView.setText("玩家：剪子"+"VS"+"电脑：石头");
	    		}
	    		if(peo==2){
	    			textView.setText("玩家：布"+"VS"+"电脑：剪子");
	    		}
	    		if(peo==3){
	    			textView.setText("玩家：石头"+"VS"+"电脑：布");
	    		}
	    		textView.append("\n输");
				
				
			}else if(com==peo||com==peo||com==peo){
				if(peo==1){
	    			textView.setText("玩家：石头"+"VS"+"电脑：石头");
	    		}
	    		if(peo==2){
	    			textView.setText("玩家：剪子"+"VS"+"电脑：剪子");
	    		}
	    		if(peo==3){
	    			textView.setText("玩家：布"+"VS"+"电脑：布");
	    		}
	    		textView.append("\n平");
				
			}
       
	        
	    }

}

second_acitity.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" >
    
    
    <TextView 
        android:id="@+id/TV1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>

</LinearLayout>

Computer.java

package cn.edu.bzu.caiquan.lei;

import java.util.Random;

public class Computer {
	
	private int chuQuFanfShi;
	
	public int getChuQuFanfShi() {
		return chuQuFanfShi;
	}

	public void setChuQuFanfShi(int chuQuFanfShi) {
		this.chuQuFanfShi = chuQuFanfShi;
	}

	public int chuquan(){
		
		Random random = new Random();	
		return  random.nextInt(3)+1;
	}

}

People.java

package cn.edu.bzu.caiquan.lei;


public class People {
	
	private int chuQuFanfShi;
	
	public People(int chuQuFanfShi){
		this.chuQuFanfShi = chuQuFanfShi;
		
	}
	
	
	public int getChuQuFanfShi() {
		return chuQuFanfShi;
	}

	public void setChuQuFanfShi(int chuQuFanfShi) {
		this.chuQuFanfShi = chuQuFanfShi;
	}
	
	
	

}

second_acitity.xml 自定义对话框布局文件

<?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="fill_parent"
        android:layout_height="wrap_content"
        android:src="@drawable/tupian"/>
    
    <TextView 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="40dp"
        android:textSize="30sp"
        android:text="作者：XX"/>
       <TextView 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textSize="30sp"
        android:text="版本：1.0.0.10"/>
  

</LinearLayout>

学习Android之第四个小程序猜拳（代码实现MENU、自定义对话框）,布布扣,bubuko.com

学习Android之第四个小程序猜拳（代码实现MENU、自定义对话框）

码农公寓

相关文章