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What's the Android ADB shell “dumpsys” tool and what are its benefits?
...tats:
DUMP OF SERVICE vibrator:
DUMP OF SERVICE wallpaper:
DUMP OF SERVICE wifi:
DUMP OF SERVICE window:
Some Dumping examples and output
1) Getting all possible battery statistic:
$~ adb shell dumpsys battery
You will get output:
Current Battery Service state:
AC powered: false
AC capacity: ...
Detect whether there is an Internet connection available on Android [duplicate]
...ows...
private boolean haveNetworkConnection() {
boolean haveConnectedWifi = false;
boolean haveConnectedMobile = false;
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo[] netInfo = cm.getAllNetworkInfo();
for (NetworkIn...
Finding local IP addresses using Python's stdlib
...alhost, etc), see this answer.
If you are behind a NAT firewall like your wifi box at home, then this will not show your public NAT IP, but instead your private IP on the local network which has a default route to your local WIFI router; getting your wifi router's external IP would either require r...
八成网友：“提速降费”没诚意，运营商：委屈 - 资讯 - 清泛网 - 专注C/C++...
...网友说三家都没诚意
“谁大半夜上网啊，而且在家都有WiFi好吗？”
不过，网友们显然觉得三大运营商“割肉”不够多。在某网站9万多人参与的随机调查中，超过八成的网友说不满意，近八成的网友觉得三家都没诚意。
运营...
【客户反馈】增加直接改项目名称的功能 - 用户反馈 - 清泛IT社区，为创新赋能！
...。比如我一开始只做了蓝牙模块控制，名字ble，后面又加wifi，项目名称改的话就是wifi+ble。
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感谢反馈，采纳此条建议，改名功能推进中，敬请期待！已支持并上线：https://bbs.tsingfun.com/thread-1879-1-1.html
rename ...
Detect the Internet connection is offline?
...
Worked for me in HTML 5, JavaScript, in mac book (using wifi) even worked in mobile. but issue is- when wifi on it returns TRUE each time even I off wifi vice-versa.
– S.Yadav
Jun 19 '17 at 11:47
...
iPhone Data Usage Tracking/Monitoring
... pdp_ip0 is your WWAN interface.
There is no good way to get information wifi/cellular network data since, particular date-time!
Data statistic (ifa_data->ifi_obytes and ifa_data->ifi_ibytes) are stored from previous device reboot.
I don't know why, but ifi_opackets and ifi_ipackets are...
Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
...K_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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Android Location Providers - GPS or Network Provider?
...droid.permission.ACCESS_FINE_LOCATION.
network –> (AGPS, CellID, WiFi MACID): Name of the network
location provider. This provider determines location based on
availability of cell tower and WiFi access points. Results are
retrieved by means of a network lookup. Requires either of th...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...包括：低功耗，使用纽扣电池就可以运行数月至数年。快连接，毫秒级的连接速度，传统蓝牙甚至长达数分钟。远距离，长达数百米的通信距离，而传统蓝牙通常10米左右。
蓝牙联盟沿用经典蓝牙的规范内容，为低功耗蓝牙定...