需要配置权限
在AndroidManifest.xml 中添加代码：
2. 通过ConnectivityManager类来进行编码操作。public void getNetworkState() {
ConnectivityManager connManager = (ConnectivityManager) this.getSystemService(CONNECTIVITY_SERVICE);
// 获取代表联网状态的NetWorkInfo对象
NetworkInfo networkInfo = connManager.getActiveNetworkInfo();
// 获取当前的网络连接是否可用
if (null == networkInfo) {
Toast.makeText(this, "当前的网络连接不可用", Toast.LENGTH_SHORT).show();
//当网络不可用时，跳转到网络设置页面
startActivityForResult(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS), 1);
} else {
boolean available = networkInfo.isAvailable();
if (available) {
Log.i("通知", "当前的网络连接可用");
Toast.makeText(this, "当前的网络连接可用", Toast.LENGTH_SHORT).show();
} else {
Log.i("通知", "当前的网络连接不可用");
Toast.makeText(this, "当前的网络连接不可用", Toast.LENGTH_SHORT).show();
}
}
NetworkInfo.State state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState();
if (NetworkInfo.State.CONNECTED == state) {
Log.i("通知", "GPRS网络已连接");
Toast.makeText(this, "GPRS网络已连接", Toast.LENGTH_SHORT).show();
}
state = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState();
if (NetworkInfo.State.CONNECTED == state) {
Log.i("通知", "WIFI网络已连接");
Toast.makeText(this, "WIFI网络已连接", Toast.LENGTH_SHORT).show();
}
跳转到无线网络设置界面
// startActivity(new
// Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
跳转到无限wifi网络设置界面
// startActivity(new
// Intent(android.provider.Settings.ACTION_WIFI_SETTINGS));
}
