Button实现OnClickListener事件的三种方法

这个月开始学的android，感觉还蛮有趣的。哈哈，加油！

package com.away.demos;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class GetScreenActivity extends Activity {

	private Button firstBtn = null;
	private Button secBtn = null;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		firstBtn = (Button) findViewById(R.id.firstBtn);
		secBtn = (Button) findViewById(R.id.secBtn);
		thirdBtn = (Button) findViewById(R.id.thirdBtn)

		firstBtn.setOnClickListener(listener);
		
		secBtn.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				//匿名内部类
			}
		});

		thirdBtn.setOnClickListener(new ThirdBtnListener());
	}

	private OnClickListener listener = new OnClickListener() {
		@Override
		public void onClick(View view) {

		}	
	};
	
	class ThirdBtnListener implements OnClickListener {
		@Override
		public void onClick(View view) {

		}
	};
}

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