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Recent questions tagged Android
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android - Style SnackBar in theme app
I need help. How can I change the design of the text in snackbar in styles app? The change in the code ... textColor">#FEFEFE</item> </style> See Question&Answers more detail:os...
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android - Custom Spinner Adapter
I wanted to apply a custom font to my spinner. The only way i found out is that to create a custom ... a list of countries. Kind Regards, See Question&Answers more detail:os...
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android - "This app is not authorized to use Firebase Authentication" in Emulator
I'm getting this error when I try to run my app on emulator. What I've done: I'm using Firebase-UI ... .os.ZygoteInit.main(ZygoteInit.java:767) See Question&Answers more detail:os...
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android - GCM 'Error : Not Registered'
I succeed in testing My GCM code. But exactly same code, I couldn't get GCM push and got: GCM Error : Not Registered. See Question&Answers more detail:os...
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android - How to detect WiFi tethering state
I want to know how to detect state of WiFi tethering. I've seen an article: Android 2.3 wifi hotspot API ... on real state of WiFi tethering. See Question&Answers more detail:os...
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android - GCM Registration ID changed
I developed an application which used GCM technology and everything is OK. I observed that the registration ID of ... fixed Reg ID for clients? See Question&Answers more detail:os...
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android - Genymotion error after windows 10 upgrade
Genymotion is giving me this error after the Windows 10 upgrade: Unable to load virtual box engine How to fix this? See Question&Answers more detail:os...
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Oct 17, 2021
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android - Trying to draw a button: how to set a stroke color and how to "align" a gradient to the bottom without knowing the height?
I am creating a button programmatically. It is rounded and has a gradient background, and works fine ... btn.setBackgroundDrawable(state_list); See Question&Answers more detail:os...
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android - How to merge two mp3 files into one (combine/join)
Can any tell how to combine/merge two media files into one ? i found a topics about audioInputStream but now it's ... i can't start bounty ?:( See Question&Answers more detail:os...
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android - How to get any identifier of the topmost activity?
I have a service and its behavior must change when topmost Activity changes. Say, Activity A is active and then ... maps app, settings, etc. See Question&Answers more detail:os...
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Oct 17, 2021
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android - Firebase Auth using phone number and password
I am developing Android app using Firebase. Because of that, I want to use Firebase Auth. I have following ... to achieve this? Thank you. See Question&Answers more detail:os...
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Oct 17, 2021
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android - Pass Parameter with Volley POST
I was able to call an HTTP endpoint using Postman and these parameters: { "name":"Val", "subject":"Test" } However ... Subject { get; set; } } See Question&Answers more detail:os...
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Oct 17, 2021
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android - Sending pictures to a web server
I have to build an application that should send pictures from the phone to a web server. Unfortunately, I really ... someone help me out please? See Question&Answers more detail:os...
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android - Is there a way to implement rounded corners to a Mapfragment?
I want to give the map a nice looking rounded corners as the two boxes below it have. I can't do it with ... what i used for the patch: Thanks. See Question&Answers more detail:os...
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android - Volley not calling getParams() for standard POST request
I am trying to post some parameters to my rails API using Volley in Android. This is the code: ... (jsonObjReq, tag_json_obj); } See Question&Answers more detail:os...
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android - how to create ripple effect for pre-lollipop
How to apply ripple effect like this i have put the dependencies in app/build.gradle app/build.gradle dependencies { ... how can I solve it?? See Question&Answers more detail:os...
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android - Stop fragment refresh in bottom nav using navhost
This problem has been asked a few times now, but we are in 2020 now, did anyone find a good usable ... of the fragment should be preserved. See Question&Answers more detail:os...
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android - Chaining requests in Retrofit + RxJava
I have 2 APIs that I want to make request to in sequence and store their data in SQLite. First I want to make ... this a better way to do it? See Question&Answers more detail:os...
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android - Difference between addValueEventListener() and addListenerForSingleValueEvent() of firebase
As the title says, I want to know the difference between addValueEventListener() and addListenerForSingleValueEvent() of Firebase. See Question&Answers more detail:os...
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Oct 17, 2021
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android - Why Kotlin data classes can have nulls in non-nullable fields with Gson?
In Kotlin you can create a data class: data class CountriesResponse( val count: Int, val countries: List ... -nullable variables during runtime? See Question&Answers more detail:os...
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android - Changing locale: Force activity to reload resources?
So I have a language setting in my application. When the language is switched, I would like all the textviews ... force reload of the resources? See Question&Answers more detail:os...
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Oct 17, 2021
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android - Converting ImageProxy to Bitmap
So, I wanted to explore new Google's Camera API - CameraX. What I want to do, is take an image from camera ... (?) bitmap bytes. Any ideas? See Question&Answers more detail:os...
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Oct 17, 2021
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296
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android - CardView inside RecyclerView has extra margins
I am using a CardView as element inside a RecyclerView. When doing so android automatically generates margins between ... margin is being added. See Question&Answers more detail:os...
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Oct 17, 2021
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android - Align top of image to top of TextView
I want to create a layout that aligns the top of an image to the top of a TextView like this: -------- ... to affect the text, not the drawable. See Question&Answers more detail:os...
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Oct 17, 2021
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android - Picasso load drawable resources from their URI
I have to show a drawable from res into an ImageView. In this app, I'm using Picasso for some reasons. In ... seems it does not like this uri. See Question&Answers more detail:os...
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Oct 17, 2021
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android - Find all Bluetooth devices (headsets, phones etc) nearby, without forcing the devices in discoverable mode
My goal: To detect all nearby Bluetooth devices(phones, headsets, etc.) from my Android application. Here's a ... devices which are turned on. See Question&Answers more detail:os...
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Oct 17, 2021
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android - How can I download a video file to SD card?
I have a video file(.MP4 format) and I want to allow the user to be able to download the video to their SD card ... +""); } thanks for any help! See Question&Answers more detail:os...
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android - Can I change the group owner in a persistent group in Wi-Fi Direct?
When creating a group via Wi-Fi Direct, I know that I can make a persistent group. My question is: can ... only the first time, right? See Question&Answers more detail:os...
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