Android应用源码之(Activity跳转与操作)-IT计算机-毕业设计.zip

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 } }}