大约有 860 项符合查询结果(耗时:0.0200秒) [XML]
How to hide Soft Keyboard when activity starts
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If you don't want to use xml, make a Kotlin Extension to hide keyboard
// In onResume, call this
myView.hideKeyboard()
fun View.hideKeyboard() {
val inputMethodManager = context.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
inputMethodMa...
Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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{
System.out.println(person);
}
}
3、监听器
在java 编程中,我们都需要和监听器打交道,通常一个应用当中会用到很多监听器,我们会调用一个控件的诸如addXXXListener()等方法来增加监听器,但往往在释放对象的时候却没...
Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...浏览器直接调用本地Office或PDF软件打开
优点:
1、不用编程,不用第三方服务,直截了当。
2、很多用户安装了Adobe的PDF预览软件,同时在浏览器上也直接安装了插件,浏览器可直接查看PDF文件。
缺点
你永远不知道客户机器...
How to change MenuItem icon in ActionBar programmatically
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Kotlin version:
toolbar.menu.findItem(R.id.notification).icon =
ContextCompat.getDrawable(requireContext(), R.drawable.ic_notification)
toolbar.menu.findItem(R.id.notification).isVisible = true
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Opening Android Settings programmatically
...s/Launcher) for android stuck in there.
The answer for 2020 and beyond (in Kotlin):
startActivity(Intent(Settings.ACTION_SETTINGS))
It works in my app, should also be working in yours without any unwanted consequences.
shar...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
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第一个变量 ProgID 表示Real-Time Data 服务器(RTD Server)的编程标识符 (ProgID)。Server 变量指示运行RTD Server的计算机的名称;如果RTD Server在本地运行,则可以将此变量设置为空字符串或将其忽略。其他变量只表示发送到RTD Server的...
How to calculate dp from pixels in android programmatically [duplicate]
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Use toInt() method instead of casting for Kotlin.
– kike
Jul 10 '18 at 7:34
1
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How enable auto-format code for Intellij IDEA?
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Smart, but not for Kotlin
– jobbert
Aug 9 '18 at 9:02
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How to use the same C++ code for Android and iOS?
...hared code is in this segment. The highest level is regular Obj-C / Java / Kotlin code, no news here, the hard part is the middle layer.
The middle layer to iOS side is simple; you only need to configure your project to build using a variant of Obj-c know as Objective-C++ and it is all, you have ac...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...使用厂商提供的App进行IO口控制,也可以使用App Inventor 2 编程实现控制IO口电平的高/低,对应LED的开/关。
3、App Inventor 2 开发自己的蓝牙App
主要用到 BlueToothLE 拓展,点此查看中文文档。BLE蓝牙的特点是无需配对,设备被扫描...