public boolean isWifiConnect() {
ConnectivityManager connManager = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mWifiInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
return mWifiInfo.isConnected();
}
public void checkWifiState() {
if (isWifiConnect()) {
WifiManager mWifiManager = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);
WifiInfo mWifiInfo = mWifiManager.getConnectionInfo();
int wifi = mWifiInfo.getRssi();//获取wifi信号强度
if (wifi > -50 && wifi < 0) {//最强
Log.e(TAG, "最强");
} else if (wifi > -70 && wifi < -50) {//较强
Log.e(TAG, "较强");
} else if (wifi > -80 && wifi < -70) {//较弱
Log.e(TAG, "较弱");
} else if (wifi > -100 && wifi < -80) {//微弱
Log.e(TAG, "微弱");
}
} else {
//无连接
Log.e(TAG, "无wifi连接");
}
}
android 实时获取wifi信号强度
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转载自blog.csdn.net/always_and_forever_/article/details/81976291
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