android 应用架构随笔二（定义BaseApplication并配置Application）

定义BaseApplication并配置Application

import android.app.Application;

import android.os.Handler;

/**

 *

 * ============================================================

 **/

public class BaseApplication extends Application {

    //获取到主线程的上下文

    private static BaseApplication mContext;

    //获取到主线程的handler

    private static Handler mMainThreadHanler;

    //获取到主线程

    private static Thread mMainThread;

    //获取到主线程的id

    private static int mMainThreadId;

    @Override

    public void onCreate() {

        // TODO Auto-generated method stub

        super.onCreate();

        this.mContext = this;

        this.mMainThreadHanler = new Handler();

        this.mMainThread = Thread.currentThread();

        //获取到调用线程的id

        this.mMainThreadId = android.os.Process.myTid();

    }

    public static BaseApplication getApplication(){

        return mContext;

    }

    public static Handler getMainThreadHandler(){

        return mMainThreadHanler;

    }

    public static Thread getMainThread(){

        return mMainThread;

    }

    public static int getMainThreadId(){

        return mMainThreadId;

    }

}

BaseApplication

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.heima.googleplay"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="10"

        android:targetSdkVersion="17" />

    <uses-permission android:name="android.permission.INTERNET" />

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application

        android:name="包名.application.BaseApplication"

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="com.heima.googleplay.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>

</manifest>

manifest