全局获取Context

  1.创建一个类extends Application

public class SpeechApplication extends Application {
   private static Context mContext;
   @Override
public void onCreate() {
      super.onCreate();
      mContext = getApplicationContext();
   }

   public static Context getContext() {
      return mContext;
   }
}

 

2.AndroidManifest.xml中application标签下面注册    android:name="xxxxx"

 

<application
android:name="com.aispeech.SpeechApplication"
     .....