Questions tagged as 'android'

Tagged questions
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How to use RxAndroid?

I'm trying to use RxAndroid but I can not figure it out. In reality, I wanted to be able to use methods within an Observable, to access the FirebaseFirestore and retrieve the data into Realm. So the question is: How do I create observable...
asked by 23.11.2017 / 12:18
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verifying if the date of an EditText is greater than the date of another EditText

I have two EditText in my application and I select the date using a DatePicker to make the user not enter a date smaller than the one entered in the first EditText.     
asked by 23.11.2017 / 00:47
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Custom Mask

I have an EditText that has a mask #######. # I need this EditText to be populated in the same way as a unit value field, for example: Ao digitar 1, o EditText deve ficar: "0000000.1" Ao digitar 2, o EditText deve ficar: "0000001.2" Ao digita...
asked by 23.10.2017 / 23:36
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Manage versions android libraries

Currently in my application I have the following imports of libraries in my build.gradle : compile 'com.google.android.gms:play-services-maps:+' compile 'com.google.android.gms:play-services-gcm:+' compile 'com.google.android.gms:...
asked by 04.12.2017 / 14:09
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modify notification icon

Does anyone explain to me why the icon of my notification is small and the notification when it "comes in" does not vibrate or make any sound? Thank you. importandroid.app.Notification;importandroid.app.NotificationManager;importandroid.app....
asked by 27.10.2017 / 12:11
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Create listview with database data and place an EditText in front of each information

I need to create a listview within a dialog, using the data from the SQLite database, but in each of the data it is going to load, you have to have an EditText in front, for example. Product Quantity EditText Fertilizer     
asked by 25.10.2017 / 11:57
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Command to update the location of the following code every 2 seconds:

I'm developing an app and need it to always update its location within a time frame. I found in this same site the following solution to get the location and turn into a marker as also the camera goes to this location:     
asked by 25.10.2017 / 15:17
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Preview of the project in android studio

Why did the preview of my project items in android studio change? Only this project is like this, others are normal.     
asked by 10.11.2017 / 12:37
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App does not appear in the emulator

I am creating an app in Android Studio, I am using the Genymotion emulator, everything is running normal, only it does not run the app and neither does the icon appear in the emulator. AndroidManifest.xml <?xml version="1.0" encoding="ut...
asked by 12.11.2017 / 20:20
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permission to access android image gallery

Hello, I'm creating an app that when I click on an ImageView opens the android image gallery, but when I open it, it shows a Dialog for whether or not the user wants to access the gallery, my question is what I could I do it if I deny access? p...
asked by 11.11.2017 / 05:33