首先运行application的name相应的类或做activity中间name相应的类？

今天找到该程序条目中找到以下两个条件name我写了一个测试程序，一般如以下：

看mainfest.xml

<application

android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:name="com.example.test1.app"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.example.test1.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />





                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

</application>

k看app

package com.example.test1;





import android.app.Application;

import android.os.Bundle;

import android.util.Log;





public class app extends Application{

public void onCreate(){



super.onCreate();

Log.d("tt","application");

}





}

看activity例如以下

public class MainActivity extends Activity {





@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

          Log.d("tt","activity");

          new app();



}

｝

最后我们来看日志文件就清楚了：

10-28 15:40:54.915: D/tt(4116): application

10-28 15:40:55.525: D/tt(4116): activity

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这里就是说application 的name相应了类是在程序安装时候就创建了

然后我第二次打开例如以下：

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仅仅有一个信息

android.app.Application

Base class for those who need to maintain global application state. You can provide your own implementation by specifying its name in your AndroidManifest.xml's <application> tag, which will cause that class to be instantiated for you when the process for your
application/package is created.

Base class for those who need to maintain global application state. You can provide your own implementation by specifying its name in your AndroidManifest.xml's <application> tag, which will cause that class to be instantiated for you when the process for your
application/package is created.

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