实例教程十二:为应用添加多个Activity与参数传递
实例教程十二:为应用添加多个Activity与参数传递<div class="postbody"><div id="cnblogs_post_body">原文链接:http://www.eoeandroid.com/thread-204945-1-1.html
同时不错的帖子:
Andorid页面拨打电话
http://www.eoeandroid.com/thread-211456-1-1.html
仿QQ的源码,客户端和服务端都有的啦
http://www.eoeandroid.com/thread-212343-1-1.html
手机铃声软件-android源代码
http://www.eoeandroid.com/thread-211143-1-1.html
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MainActivity效果图
http://pic002.cnblogs.com/images/2012/68062/2012110211362551.jpg
OtherActivity.xml效果图
http://pic002.cnblogs.com/images/2012/68062/2012110211380283.jpg
结果图
http://pic002.cnblogs.com/images/2012/68062/2012110211371263.jpg
<div class="cnblogs_code">package cn.itcast.activitys; import android.app.Activity; import android.content.ComponentName; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Toast; public class MainActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } //Intent --激活组件(Activity),附带数据 public void openActivity(View v){ Intent intent = new Intent(); //只能激活本应用里的Activity //传数据 //1. //intent.putExtra("company", "iflytek"); //intent.putExtra("age", 5); //2.批量添加传递数据 Bundle bundle = new Bundle(); bundle.putString("company", "CSDN"); bundle.putInt("age", 10); intent.putExtras(bundle); //第一种方法 intent.setClass(this, OtherActivity.class); //设置要激活的组件 //第二种方法 //intent.setClassName(this, "cn.itcast.activitys.OtherActivity"); //第三种方法 //intent.setComponent(new ComponentName(this, OtherActivity.class)); //第四种方法 -- 显式Intent //Intent intent = new Intent(this, OtherActivity.class); //跨应用激活Activity //第5种方法-- //intent.setClassName("别的应用的包名", "别的应用的Activity"); //例-- intent.setClassName("cn.itcast.activitys", "cn.itcast.activitys.OtherActivity"); //startActivity(intent); //在OtherActivity关闭后,把处理的数据返回给MainActivity //那必须在MainActivity打开时,选择startActivityForResult() startActivityForResult(intent, 200); } //用于得到OtherActivity关闭后返回的结果数据 @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { String result = data.getStringExtra("result"); Toast.makeText(this, result, 1).show(); } }
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