package com.openother;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainActivity extends Activity implements OnClickListener {
//声明按钮
private Button btnOpen, btnHideActivity, btnExitActivity;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//实例按钮
btnOpen = (Button) findViewById(R.id.btnOpen);
btnHideActivity = (Button) findViewById(R.id.btnHideActivity);
btnExitActivity = (Button) findViewById(R.id.btnExitActivity);
//给每个按钮添加监听
btnOpen.setOnClickListener(this);
btnHideActivity.setOnClickListener(this);
btnExitActivity.setOnClickListener(this);
}
public void onClick(View v) {
if (v == btnOpen) {
//创建一个意图,并且设置需打开的Activity
Intent intent = new Intent(MainActivity.this, OtherActivity.class);
//发送数据
intent.putExtra("Main", "我是发送的数据~娃哈哈");
//启动另外一个Activity
this.startActivity(intent);
} else if (v == btnHideActivity) {
this.finish();//退出Activity
}else if (v == btnExitActivity) {
System.exit(0);//退出程序
}
}}