android下 按钮点击 的四种写法

标签：android

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">1)点击按钮的实现类接口; //弊端,按钮多的话,代码冗余;</span>

}

在低下附上源代码MainActivity.java:

package com.weibo.onclick;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;
import android.os.Build;

public class MainActivity extends ActionBarActivity implements OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.fragment_main);
        
        
        Button btn_click1 =(Button) findViewById(R.id.btn_click1);
        Button btn_click2 =(Button) findViewById(R.id.btn_click2);
        Button btn_click3 =(Button) findViewById(R.id.btn_click3);
        Button btn_click4 =(Button) findViewById(R.id.btn_click4);
        
        /*
      //1.内部类方法获取按钮
        btn_click1.setOnClickListener(new MyOnClikListener());
        btn_click2.setOnClickListener(new MyOnClikListener2());
        btn_click3.setOnClickListener(new MyOnClikListener3());
      */
        
        /*
        //2.匿名内部类实现
        btn_click1.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
					Toast.makeText(MainActivity.this, "按钮按钮1", 0).show();
			}
		});
        
        btn_click2.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
					Toast.makeText(MainActivity.this, "按钮按钮2", 0).show();
			}
		});*/
        
       /* //3.用switch方法实现
        btn_click1.setOnClickListener(this);
        btn_click2.setOnClickListener(this);
        btn_click3.setOnClickListener(this);
        btn_click4.setOnClickListener(this);*/
    }
    
    
    
    class MyOnClikListener implements OnClickListener{

		@Override
		public void onClick(View v) {
				Toast.makeText(MainActivity.this, "按按钮钮1", 0).show();
		}
    	
    }
    
    class MyOnClikListener2 implements OnClickListener{

		@Override
		public void onClick(View v) {
				Toast.makeText(MainActivity.this, "按按钮钮2", 0).show();
		}
    	
    }
    
    class MyOnClikListener3 implements OnClickListener{

		@Override
		public void onClick(View v) {
				Toast.makeText(MainActivity.this, "按按钮钮3", 0).show();
		}
    	
    }

	@Override
	public void onClick(View v) {
			switch(v.getId()){
			case R.id.btn_click1:
				Toast.makeText(this, "bt1", 0).show();
				break;
			case R.id.btn_click2:
				Toast.makeText(this, "bt2", 0).show();
				break;
			case R.id.btn_click3:
				Toast.makeText(this, "bt3", 0).show();
				break;
				default :
				Toast.makeText(this, "bt4", 0).show();
			
			}
	}
	
	public void 哈哈(View v){
		Toast.makeText(this, "哈哈", 0).show();
	}

	public void 点点(View v){
		Toast.makeText(this, "点点", 0).show();
	}

   

}

android下 按钮点击 的四种写法

标签：android

原文地址：http://blog.csdn.net/u011706736/article/details/46733791