标签:android http io os ar java 数据 art c
</pre><pre>
package com.example.ApplicationTest; import android.app.Application; /** * Created by chang on 14-10-1. */ public class App extends Application { public String getName() { return name; } public void setName(String name) { this.name = name; } public String name; @Override public void onCreate() { super.onCreate(); setName("张三"); } }
package com.example.ApplicationTest; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MyActivity extends Activity { private Button btnLaunch = null; private App myApp; /** * Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnLaunch = (Button)this.findViewById(R.id.btnLaunch); myApp = (App)this.getApplication(); myApp.setName("hello"); btnLaunch.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(MyActivity.this,OtherActivity.class); startActivity(intent); } }); } }
package com.example.ApplicationTest; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; /** * Created by chang on 14-10-1. */ public class OtherActivity extends Activity { private App myApp; private TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.other); textView = (TextView)findViewById(R.id.showMsg); myApp = (App)getApplication(); textView.setText(myApp.getName()); } }
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.ApplicationTest" android:versionCode="1" android:versionName="1.0"> <uses-sdk android:minSdkVersion="19"/> <application android:label="@string/app_name" android:icon="@drawable/ic_launcher" android:name=".App"> <activity android:name="MyActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN"/> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> <activity android:name=".OtherActivity" > </activity> </application> </manifest>
标签:android http io os ar java 数据 art c
原文地址:http://blog.csdn.net/haifengzhilian/article/details/39717003