Android 判斷當前網絡服務

jopen 9年前發布 | 874 次閱讀 Java Android

判斷當前網絡是否是3G網絡 

public static boolean is3G(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        if (activeNetInfo != null
                && activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
            return true;
        }
        return false;
    }
判斷當前網絡是否是wifi網絡 
 public static boolean isWifi(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        if (activeNetInfo != null
                && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
            return true;
        }
        return false;
    }
判斷是否有網絡連接 
public static boolean isConnect(Context context) {
    ConnectivityManager connectivity = (ConnectivityManager) context
        .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetInfo = connectivity.getActiveNetworkInfo();
    if (activeNetInfo != null && activeNetInfo.isConnected()) {
<span style="white-space:pre">      </span>if (activeNetInfo.getState() == NetworkInfo.State.CONNECTED) {
            return true;
        }
    }
    return false;
    }


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