android检查手机网络状态

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android检查手机网络状态

// 检查网络状态public boolean checkNetworkInfo() {ConnectivityManager conMan = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);// mobile 3G Data NetworkState mobile = conMan.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();// wifiState wifi = conMan.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();// 如果3G网络和wifi网络都未连接，且不是处于正在连接状态 则进入Network Setting界面 由用户配置网络连接if (mobile == State.CONNECTED || mobile == State.CONNECTING)return true;if (wifi == State.CONNECTED || wifi == State.CONNECTING)return true;AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setMessage("网络不给力").setTitle("提示").setCancelable(false).setPositiveButton("配置", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int id) {// 进入无线网络配置界面startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));}}).setNegativeButton("退出", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int id) {}});builder.show();return false;}

需要的权限

<!-- Push service 运行需要的权限 -->    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

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