Android按钮事件的五中写法小结

5、自定义方法，配置Android:onclick属性

import android.media.JetPlayer.OnJetEventListener;import android.os.Bundle;import android.app.Activity;import android.app.AlertDialog;import android.app.AlertDialog.Builder;import android.app.Dialog;import android.content.DialogInterface;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageButton;import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener{	Button button1,button2,button4,button5;	ImageButton button3;	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.activity_main);		button1 = (Button)findViewById(R.id.button1);		button1.setOnClickListener(new OnClickListener() {			//第一种方式：匿名内部内实现的按钮点击事件			@Override			public void onClick(View arg0) {				// TODO Auto-generated method stub				Toast.makeText(MainActivity.this, "匿名内部内实现的按钮点击事件", Toast.LENGTH_SHORT).show();			}		});						button2 = (Button)findViewById(R.id.button2);		button2.setOnClickListener(this);				//第三种：创建实例化接口对象		button3 = (ImageButton)findViewById(R.id.button3);		OnClickListener listener = new OnClickListener(){			@Override			public void onClick(View arg0) {				// TODO Auto-generated method stub				Toast.makeText(MainActivity.this, "创建实例化接口对象", Toast.LENGTH_SHORT).show();			}		};		button3.setOnClickListener(listener);						//第四种方式：使用内部类		button4 = (Button)findViewById(R.id.button4);		button4.setOnClickListener(new MyOnClickListener());	}	@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;	}	//第二种方式：实现View.onClickListener接口实现接口中的onClick()方法	@Override	public void onClick(View arg0) {		// TODO Auto-generated method stub		switch(arg0.getId()){		case R.id.button2:			Toast.makeText(this, "实现View.onClickListener接口实现接口中的onClick()方法",Toast.LENGTH_SHORT).show();			break;		}	}			class MyOnClickListener implements OnClickListener{		@Override		public void onClick(View arg0) {			// TODO Auto-generated method stub			Toast.makeText(MainActivity.this, "内部类的方式", Toast.LENGTH_SHORT).show();		}			}			//第五种方式：自定义方法：配置android:onClick属性	public void onButton(View view){		switch(view.getId()){		case R.id.button5:			Toast.makeText(this, "自定义方法，配置android:onClick属性", Toast.LENGTH_SHORT).show();			break;		}	}			public void onButton7(View view){		Toast.makeText(this, "aaaaaaaaaaaaaaaaaaaaa", Toast.LENGTH_SHORT).show();		setContentView(R.layout.activity_main2);	}}