android判断网络连接状态

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判断是否有网络连接

public boolean isNetConnected(){
       ConnectivityManager manager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
       NetworkInfo active = manager.getActiveNetworkInfo();
       if(active!=null){
           return active.isAvailable();

       }
       return false;



   }

判读手机数据流量是否连接

    public boolean isMobileNet(){
       ConnectivityManager manager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
       NetworkInfo info = manager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
       return info.isConnected();


   }

判断手机WiFi是否连接

    public boolean isWiFiNet(){
       ConnectivityManager manager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
       NetworkInfo info = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
       return info.isConnected();


   }

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