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AsyncTask threads never die
...: these figures are for the presently-visible open source code and vary by Android release).
Leave the AsyncTask threads alone, please.
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Get dimension from XML and set text size in runtime
...ablets in landscape orientation).
You could read more about dimensions in Android at: http://android4beginners.com/2013/07/appendix-c-everything-about-sizes-and-dimensions-in-android/
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Java: getMinutes and getHours
...to be backwards-compatible. Regrettably not suitable if you're writing for Android and supporting older API versions (or in any other instance when Java 8 isn't always available).
– M_M
Jul 23 '19 at 16:54
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Fragment lifecycle - which method is called upon show / hide?
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Similar to activity lifecycle, Android calls onStart() when fragment becomes visible. onStop() is normally called when fragment becomes invisible, but it can also be called later in time.
Depending on your layout Android can call onStart() even, when your...
Make HTML5 video poster be same size as video itself
..."contain" distorted the poster on-play in the Samsung native browser under android 5.1.1. And is doesn't affect IE!
– plugincontainer
May 8 '18 at 16:12
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App Inventor 2 能否实现后台推送通知？源码级深度调研 - App应用开发 - 清...
...; App（即使未打开）
关键特征：
1. 操作系统级别：由 Android/iOS 系统进程接收，不需要 App 运行
2. 持久连接：手机系统与推送服务器保持长连接（不是 App 自己的连接）
3. 省电：所有 App 共享同一条系统级连接
4. 可靠性高：...
Is AsyncTask really conceptually flawed or am I just missing something?
...though there were static strong references to them. Maybe a side-effect of Android's class loader, or a bug even, but static references are no safe way of exchanging state across an activity life-cycle. The app object is, however, that's why I use that.
– Matthias
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Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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Specifying an Index (Non-Unique Key) Using JPA
...t.Column, index and uniqueIndex properties;
requery (GitHub. Java, Kotlin, Android): Annotation io.requery.Index;
Exposed (Kotlin SQL Library): org.jetbrains.exposed.sql.Index, org.jetbrains.exposed.sql.Table#index(). Example:
object Persons : IdTable() {
val code = varchar("code", 50).index(...
What is the AppDelegate for and how do I know when to use it?
...om what I understand of appDelegate, is close to what an Application is in Android. The viewDidLoad, viewDidDisappear is comparable to what Android's Lifecycle. Every application has a life cycle, from launching to interruptions from calls coming in, to notifications showing up. If you need your cod...