Questions tagged as 'android-studio'

Tagged questions
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Problem with Textview in Android Studio and Java file [closed]

Good news I downloaded the Android studio and after several problems choosing the emulator (I mention it in case it has something to do) I started to try the Android Studio. I have had two problems: When I drag in the xml file a textview (o...
asked by 13.07.2018 / 17:08
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Detect onBackPressed () from the main activity

I have an application with a button that takes us from Activity A (Main) to Activity B, I would like that when I close activity B with an onBackPressed () the application A (Main) will detect that it is the activity again active and act by makin...
asked by 13.06.2018 / 23:22
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Problem loading admob ads

I have problems implementing rewarded ads in my app. I'm using admob for the ads and I followed all the steps indicated here: link link But when launching the application it tells me that the ad failed to load. I am doing something wro...
asked by 25.06.2018 / 01:11
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YouTube videos with ReyclerView Android [closed]

How do I do this? that are updating themselves     
asked by 12.07.2018 / 20:00
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Problem with the context of a Toast

The program marks me error in the context of toast . I already tried with getApplicationContext() , with NombreActivity.this and with only this . I have a main activity called ReaderActivity, from it I send a call to...
asked by 12.06.2018 / 23:03
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HELP! "Falied to resolve: com.android.support:appcompat-v7:28.+"

I just installed version 2.1.2, but when I opened my project I got this error: When I click on Install Repository it does not open anything, it does not do anything. How can I solve it?     
asked by 27.06.2018 / 19:50
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Do not load Admob test ads

I have a problem, a while ago I started to try the Rewarded test ads with Admob, everything went well! Now that I wanted to try the test ads again they do not come out, I even create a new project and implement only the Rewarded and it does not...
asked by 08.06.2018 / 04:14
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I can not upload my app to the playstore console

I tried to upload my latest version of my app, but I get an error in the playstore This is after updating compileSdkVersion to Android-P and bringing Android support dependencies 28.0.0-alpha1 I get this exactly in the playstore T...
asked by 08.06.2018 / 03:09
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Send the uri to play sound through an array

Good I am practicing with the typical application where creating an object is filled with parameters through a array and then those data are sent to another screen, and I would like to send the uri ( R.raw . "the file "). I have...
asked by 24.05.2018 / 18:02
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mark item selected gridView android

<GridView android:id="@+id/grid_view" android:layout_width="fill_parent" android:layout_height="160dp" android:columnWidth="80dp" android:gravity="center" android:horizont...
asked by 06.06.2018 / 22:55