Questions tagged as 'android'

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Multiple tasks in the background on Android [closed]

I would like guidance on how to run several tasks (functions) in background , even when the app is closed from recent apps. For example: a task that verifies a URL every 10 minutes (it is an API of weather forecast) a task that verifie...
asked by 23.10.2018 / 16:47
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How to use the Android speaker ignoring the Android Studio Headphones

I'm making an application that works like an alarm, the problem is that when I play the audio that I set as an alert if the headphones are connected it uses them as an audio output, how can I make it sound in the main speaker ignoring the hearin...
asked by 23.08.2018 / 17:32
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Payment problems with Mercado Pago sandbox.

I have a sandbox account and when using the cards that give us a paid market and more, however, we use a real card. It gives us an error that says: "ALGO SALIO MAL INTÉNTALO MAS TARDE" , our account is in VENEZUELA. We use this tuto...
asked by 23.08.2018 / 18:51
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@android: dimen / abc_action_bar_default_height_material

I would like to know why this part of my code in Android version "3.1.4" botrates me. If I already have in my file "build.gradle" the "implementation" com.android.support:design:28.0.0-rc01'"     
asked by 13.08.2018 / 10:35
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Error java.lang.OutOfMemoryError in MainActivity - Android

During the development of my app I realize that it has a specific error. This is presented especially on devices with Android 7. But I guess it's more for the hardware specifications of the device than the Android version. java.lang.OutOfMem...
asked by 10.08.2018 / 22:35
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How can I send the product id by selecting the name of the product on the spinner?

How can I make a spinner show the names of x products of a JsonObject that at the time I select, instead of sending me the name that I send the id of that product. So I put what I want to show private void getCategori(JSONObje...
asked by 09.08.2018 / 21:57
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I need to create a Stack - Listview - Positioned in Flutter

I need to create the following layout. So far I have this, but as much as I try to understand the logic of the order of the widgets, I can not find what I want. body: new Stack( children: <Widget>[ new Container(...
asked by 10.08.2018 / 04:00
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Error "DrawerLayout" 2018

I have a problem with this, the "DrawerLayout", look and this is my build.gradle (Module: application)     
asked by 15.08.2018 / 07:47
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adb not found when executing AwesomeProject React Native

I'm starting with react, just installing and executing the project that comes in the example of the official website, but when running the app, it indicates that it does not recognize the adb: Now check the system path, ANDROID_HOME, et...
asked by 15.08.2018 / 00:11
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Random animation on android

Good I'm trying to make an animation using an XML and animation-list, I get everything right but the problem I have is that I want the order of the animation to be always different every time it starts it's activity <?xml version="1.0" enco...
asked by 08.08.2018 / 02:45