Android 网路判断

判断当前网络是否是wifi

/**

* 判断当前是否是wifi

* @param mContext

* @return

*/

private static boolean isWifi(Context mContext) {

ConnectivityManager connectivityManager = (ConnectivityManager) mContext

.getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();

if (activeNetInfo != null

&& activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {

return true;

}

return false;

}

}

一、判断网络连接是否可用

public static boolean isNetworkAvailable(Context context) {

ConnectivityManager cm = (ConnectivityManager) context

.getSystemService(Context.CONNECTIVITY_SERVICE);

if (cm == null) {

} else {

//如果仅仅是用来判断网络连接

//则可以使用 cm.getActiveNetworkInfo().isAvailable();

NetworkInfo[] info = cm.getAllNetworkInfo();

if (info != null) {

for (int i = 0; i < info.length; i++) {

if (info[i].getState() == NetworkInfo.State.CONNECTED) {

return true;

}

}

}

}

return false;

}

二、判断GPS是否打开

public static boolean isGpsEnabled(Context context) {

LocationManager lm = ((LocationManager) context

.getSystemService(Context.LOCATION_SERVICE));

List accessibleProviders = lm.getProviders(true);

return accessibleProviders != null && accessibleProviders.size() > 0;

}

三、判断WIFI是否打开

public static boolean isWifiEnabled(Context context) {

ConnectivityManager mgrConn = (ConnectivityManager) context

.getSystemService(Context.CONNECTIVITY_SERVICE);

TelephonyManager mgrTel = (TelephonyManager) context

.getSystemService(Context.TELEPHONY_SERVICE);

return ((mgrConn.getActiveNetworkInfo() != null && mgrConn

.getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel

.getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);

}

四、判断是否是3G网络

public static boolean is3rd(Context context) {

ConnectivityManager cm = (ConnectivityManager) context

.getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo networkINfo = cm.getActiveNetworkInfo();

if (networkINfo != null

&& networkINfo.getType() == ConnectivityManager.TYPE_MOBILE) {

return true;

}

return false;

}

五、判断是wifi还是3g网络,用户的体现性在这里了，wifi就可以建议下载或者在线播放。

public static boolean isWifi(Context context) {

ConnectivityManager cm = (ConnectivityManager) context

.getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo networkINfo = cm.getActiveNetworkInfo();

if (networkINfo != null

&& networkINfo.getType() == ConnectivityManager.TYPE_WIFI) {

return true;

}

return false;

}

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