app

public class MApp extends Application{    private static Context context;    private static Handler handler;    private static int mainId;    public static boolean isLoginSuccess;//是否已经登录的状态    public static MApp mInstance;    @Override    public void onCreate() {        super.onCreate();        mInstance = this;        //初始化imageLoader框架        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(this).build();//开始构建        ImageLoader.getInstance().init(config);        ZXingLibrary.initDisplayOpinion(this);        context = getApplicationContext();        //初始化handler        handler = new Handler();        //主线程的id        mainId = Process.myTid();    }    public static MApp getInstance(){        return mInstance;    }    /**     * 对外提供了context     * @return     */    public static Context getAppContext() {        return context;    }    /**     * 得到全局的handler     * @return     */    public static Handler getAppHanler() {        return handler;    }    /**     * 获取主线程id     * @return     */    public static int getMainThreadId() {        return mainId;    }}