大约有 460 项符合查询结果(耗时:0.0080秒) [XML]
“虚拟”屏幕demo演示,一屏幕展示多屏内容,模拟切换屏幕 - App应用开发 -...
...部分需要连接的组件(比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等)如果跨屏幕的话,都需要重新连接,自行管理连接状态,非常不便利,且大部分场景并不是真正的需要多个屏幕才能实现,多个屏幕切换效率也会低一些,...
App Inventor 2 “虚拟”屏幕:同一屏幕展示多屏内容,模拟切换屏幕 · App...
...部分需要连接的组件(比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等)如果跨屏幕的话,都需要重新连接,自行管理连接状态,非常不便利,且大部分场景并不是真正的需要多个屏幕才能实现,多个屏幕切换效率也会低一些,...
中文网(自研/维护)拓展 · App Inventor 2 中文网
...etworkState(state)
反馈网络状态,参数的值为以下字符串:WIFI、2G、3G、4G、未连接网络、未知网络
方法
GetNetworkState()
获取网络状态,返回值为以下字符串:WIFI、2G、3G、4G、未连接网络、未知网络
...
Opening Android Settings programmatically
... call:
startActivityForResult(new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS));
for other screen in setting screen, you can go to
https://developer.android.com/reference/android/provider/Settings.html
Hope help you in this case.
...
ping response “Request timed out.” vs “Destination Host unreachable”
...an Ethernet interface with static IP (which I pulled the cable out of once wifi was working) and a Wireless interface that was actually connected. Because of the static IP the Linux server saw the Ethernet inteface as still enabled even though it didn't have a cable any more, and (I think) was tryin...
Your build failed due to an error in the AAPT stage, not because of an...
...消息):删除不再需要的任何应用程序以释放空间通过 WiFi 传输时,APK 未完全保存在目标设备上。尝试保存到您的 PC,然后通过 USB 数据线将其移动到设备(“adb”安装)APK 名称包含非打印字符:如果将该名称复制并粘贴到 App ...
社交应用组件 · App Inventor 2 中文网
...略短信。
如果 启用谷歌语音 属性为真,则可以通过 Wifi 使用谷歌语音发送消息。
此选项要求用户拥有谷歌语音帐户并且手机手机上安装了语音应用程序,谷歌语音选项仅适用于支持 Android 2.0 (Eclair) 或更高版本。
不幸的是...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区,...
...p; X.25: 576
BLE: 23 => 这就是为什么WIFI 可以用于传输视频,传统蓝牙(BT)可以传输音频,而低功耗蓝牙(BTLE 或者BLE)只能够传输控制数据的原因了。
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JavaScript Regular Expression Email Validation [duplicate]
...mportant for mobile applications which may be contacting a server via slow Wifi or mobile networks).
– Ciaran Gallagher
Mar 24 '13 at 15:38
1
...
Is there a unique Android device ID?
...er installs.
WLAN MAC Address - Hardware (needs android.permission.ACCESS_WIFI_STATE)
This could be the second best option, but you are still collecting and storing a unique identifier that comes directly from a user. This is obvious that you are collecting data.
<uses-permission android:name=...