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- App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...作 —— ❌ 不可行,建议放弃
核心问题:普通 App(扩展)根本碰不到"重置系统息屏计时器"的开关。
- 真正能阻止息屏的系统调用是 PowerManager.userActivity(...) —— 它需要
android.permission.DEVICE_POWER...
GestureDetector 手势检测拓展：旋转、缩放和滑动手势检测，自定义手势识别...
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What and When to use Tuple? [duplicate]
... a resource constrained device, such as mobile device, running a real-time app, such as a driving directions app.
– stuckintheshuck
Jun 23 '16 at 18:05
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Xcode 4 - build output directory
...DerivedData/ folder, simple enough. Except that the subfolders seem to be AppName-asdflkjqwergoobledygook. Since I'm building from a script, I'd like to actually find the build (so I can package it and send via TestFlight :) How do I determine which of the many MyAppName-xxxx-s is the right one? ...
The type initializer for 'MyClass' threw an exception
... but for me, there was actually an underlying issue where I was calling an app.config parameter by the wrong name, so a variable I was using to form my connectionstring was null. Therefore it couldn't open the OracleConnection in that function in order to return the DataTable. Best advice is to di...
Why JSF calls getters multiple times
...p;t=29546
Recently, I have been obsessed evaluating the performance of my app, tuning JPA queries, replacing dynamic SQL queries with named queries, and just this morning, I recognized that a getter method was more of a HOT SPOT in Java Visual VM than the rest of my code (or majority of my code).
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Websocket API to replace REST API?
I have an application whose primary function works in real time, through websockets or long polling.
10 Answers
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GCM with PHP (Google Cloud Messaging)
... 'Authorization: key=' . $apiKey,
'Content-Type: application/json'
);
// Initialize curl handle
$ch = curl_init();
// Set URL to GCM push endpoint
curl_setopt($ch, CURLOPT_URL, 'https://gcm-http.googleapis.com/gcm/send');
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Android Left to Right slide animation
... Thanks. I noticed a problem though; for the right-to-left animation you swapped XDelta values. Should be android:fromXDelta="100%" android:toXDelta="0%"
– Ricardo
Jul 7 '17 at 8:50
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Android - Using Custom Font
I applied a custom font to a TextView , but it doesn't seems to change the typeface.
21 Answers
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