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How do I prevent an Android device from going to sleep programmatically?
...e lock when you're done with it (or not in the foreground). Otherwise your app can potentially cause some serious battery drain and CPU usage.
The documentation also contains a useful page that describes different approaches to keeping a device awake, and when you might choose to use one. If "preve...
Android 4.3 menu item showAsAction=“always” ignored
I'm using the new v7 appcompat library available starting from Android 4.3 (API level 18).
12 Answers
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Arduino101（Genuino 101）&App Inventor – RGB LED控制 - 创客硬件开...
...點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕：Btn_Connect / Btn_DisConnect三個用來呈現RGB值的 Slider (無法拖動)BletoothLE：處理BLE通訊Clock：定期...
How to add a custom button state
..., but needs a little correction: in the selector, the item states need an "app:" prefix, otherwise the inflater won't recognise the namespace correctly, and will fail silently; at least this is what happens to me.
Allow me to report here the whole solution, with some more details:
First, create fi...
Install Application programmatically on Android
...rogrammatically install a dynamically downloaded apk from a custom Android application.
16 Answers
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How to put Google Maps V2 on a Fragment using ViewPager
...ely
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMa...
Getting current device language in iOS?
...BLE(10_5, 2_0); // note that this list does not indicate what language the app is actually running in; the [NSBundle mainBundle] object determines that at launch and knows that information
People interested in app language take a look at @mindvision's answer
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Simulator error FBSSystemServiceDomain code 4
I'm trying to run an app in the simulator but get this error message:
6 Answers
6
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Difference between Activity and FragmentActivity
...when I changed Activity with FragmentActivity , it had no effect on the app.
2 Answers
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Best practice for nested fragments in Android 4.0, 4.1 (
I'm writing an app for 4.0 and 4.1 tablets, for which I do not want to use the support libraries (if not needed) but the 4.x api only therefore.
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