Android关于网络连通状况的系统广播
连通状态改变(包括wifi,3G等移动网络):
android.net.conn.CONNECTIVITY_CHANGE
ConnectivityManager.CONNECTIVITY_ACTION
wifi连接改变:
android.net.wifi.RSSI_CHANGED
判断网络连通状态(包括wifi,3G等):
public boolean isNetworkConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null) {
return mNetworkInfo.isAvailable();
}
}
return false;
}
wifi连通状态:
public boolean isWifiConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mWiFiNetworkInfo = mConnectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (mWiFiNetworkInfo != null) {
return mWiFiNetworkInfo.isAvailable();
}
}
return false;
}
3G等移动的连通状态:
public boolean isMobileConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mMobileNetworkInfo = mConnectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (mMobileNetworkInfo != null) {
return mMobileNetworkInfo.isAvailable();
}
}
return false;
}
获取当前网络连接类型:
public static int getConnectedType(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null && mNetworkInfo.isAvailable()) {
return mNetworkInfo.getType();
}
}
return -1;
}
更多相关文章
- Android(安卓)修改状态栏颜色
- Android权限大全
- android 检测网络或wifi是否开启
- Android(安卓)异步获取网络图片并处理图片Out Of Memory 内存溢
- Android(安卓)百度地图蓝点定位
- android Drawable各种类型使用
- Android中的Window类型
- Android获取网络图片应用示例
- android 从横屏到竖屏状态出现黑屏