TextView点击事件

package com.pdsu.zhangsings;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
/**
 * TextView 点击事件
 * @author Administrator
 *
 */
public class MainActivity extends Activity {

	TextView tv_sing;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		tv_sing = (TextView) findViewById(R.id.tv_sing);
		tv_sing.setClickable(true);
		tv_sing.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Log.d("zhang", "Sing What I Say.");
				Toast.makeText(getApplicationContext(), "Sing What I Say.",
						Toast.LENGTH_SHORT).show();
			}
		});
	}
}

xml布局文件：