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How can I check if a view is visible or not in Android? [duplicate]
... Can be Visible while it is not within the confines of the visible screen, so that won't be accurate in all cases. However, Bill Mote's answer is working all the time.
– ForceMagic
Mar 6 '14 at 21:26
...
How do I keep the screen on in my App? [duplicate]
...* This code together with the one in onDestroy()
* will make the screen be always on until this Activity gets destroyed. */
final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
this.mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My...
About Android image and asset sizes
...
kcoppock did a great job explaining Andorid screen densities.
I just would like to add one more point regarding the original question.
Android Tablet launcher icon uses one density bucket up.
According to Google's developer Nick Butcher's Google+ post
The gorgeo...
How do I correctly detect orientation change using Phonegap on iOS?
...eady answered, I can add a few points to the broader question of detecting screen orientation with JS in 2019:
window.orientation property is deprecated and not supported by Android browsers.There is a newer property that provides more information about the orientation - screen.orientation. But it...
iOS 7: UITableView shows under status bar
The first screen of my application is a UITableViewController without a navigation bar, which means that the content flows under the status bar so there's a lot of text collisions. I've adjusted both the properties for Under top bars and Adjust scroll view insets which do actually stop it from...
How to capture UIView to UIImage without loss of quality on retina display
...rgument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you impli...
error C2440: “return”: 无法从“const Screen”转换为“Screen &” - C/...
error C2440: “return”: 无法从“const Screen”转换为“Screen &”转换丢失限定符。出错代码（例子来自c++ primer 4th）：Screen& Screen::display(std::ostream& os) const{ os << contents...转换丢失限定符。
出错代码（例子来自c++ primer 4th）：
Screen...
安卓防止息屏方案深度调研 - 小米红米MIUI专项解决 - App应用开发 - 清泛IT...
...回复：
一、通用方案（标准Android）
方案1：FLAG_KEEP_SCREEN_ON（最推荐）
// Activity中
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
// 或XML布局
android:keepScreenOn="true"
- 优点：不需要WAKE_LOCK权限，系统自动管...
Programming with white text on black background?
...e it's a lot easier on your eyes when you alternate between looking at the screen and looking at source material printed on paper.
Also, the contrast between the screen background and the surrounding lighting should be small, so a white background works best with the well lit room most people use c...
How to get screen dimensions as pixels in Android
... top edge and m pixels from the right edge). Therefore I need to get the screen width and screen height and then set position:
...