[下载]php java javascript 相关 api 手册的下载
代码如下
/**
*
* @param activity
* @return boolean return true if the application can access the internet
*/
public static boolean hasInternet(Activity activity) {
ConnectivityManager manager = (ConnectivityManager) activity
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = manager.getActiveNetworkInfo();
if (info == null || !info.isConnected()) {
return false;
}
if (info.isRoaming()) {
// here is the roaming option you can change it if you want to
// disable internet while roaming, just return false
return true;
}
return true;
}
需要在AndroidManifest.xml中
增加权限:
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
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