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ANDROID QUESTIONS

List<String>- Null
List<String>- Null
Any of those help I am trying to iterate List from JSON. And everything works fine when List is not null. When is null, i ve got this: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
TAG : android
Date : January 12 2021, 09:11 PM , By : Mike
How to normalize channel values to the range[0.0,1.0]?
How to normalize channel values to the range[0.0,1.0]?
this will help If the pixel values range from 0 to 255 and you want them to be normalized between 0.0f and 1.0f you should just divide the pixel values with 255.So you should have
TAG : android
Date : January 12 2021, 09:11 PM , By : Thierry Brunet
How to convert a signed APK to an unsigned APK
How to convert a signed APK to an unsigned APK
this will help The main idea is to delete the META-INF folder bundled with your apk to make it unsigned. In windows, if you want to use GUI based systems, not all the file archiver tools can repack the apk in its original form after modification (In
TAG : android
Date : January 12 2021, 09:11 PM , By : Sebastian Gift
Android library AAR packing resource incorrectly
Android library AAR packing resource incorrectly
This might help you I have a libary I wrote years ago and I've very gradually modualrised it and deployed to jfrog , The structure of the AAR is correct, the structure should be:
TAG : android
Date : January 12 2021, 09:11 PM , By : Pip
Why it fail to upload apk to google play console?
Why it fail to upload apk to google play console?
I hope this helps . I get this error when I upload my apk to play console , You need to change version in app build.gradle
TAG : android
Date : January 12 2021, 07:00 PM , By : eataix
How do I get more than 500 contact lists on Android?
How do I get more than 500 contact lists on Android?
this one helps. You have two big issues there: Running long-running code on the UI thread Mixing between querying over the Phone.CONTENT_URI and the Contacts.CONTENT_URI
TAG : android
Date : January 12 2021, 07:00 PM , By : user118656
Android layer-list affecting position of floating action button
Android layer-list affecting position of floating action button
I wish did fix the issue. I am creating an app where a layer-list is used as background and a floating action button is also used. When the layer-list is set as the background of the relative layout, it changes the position of the FAB, but I cannot u
TAG : android
Date : January 12 2021, 07:00 PM , By : Mark W
Koin: NoBeanDefFoundException, Check your module definitions
Koin: NoBeanDefFoundException, Check your module definitions
will help you I found the issue and the mistake was the module instead of modules (or.koin.core.KoinApplication)
TAG : android
Date : January 12 2021, 07:00 PM , By : Raghaw
How to Ensure View is Removed After Animation on repeated touches
How to Ensure View is Removed After Animation on repeated touches
I hope this helps . Strangely enough, this was resolved taking out the removeView in onAnimationEnd:
TAG : android
Date : January 12 2021, 08:33 AM , By : user178709
Differentiate ambiguous Extensions in Kotlin
Differentiate ambiguous Extensions in Kotlin
Hope this helps is there any syntax I could add that would unambiguously resolve to ClosedRange rather than the similarly-named Iterable extension in this case?
TAG : android
Date : January 12 2021, 08:33 AM , By : ChristianM
Firestore how to putExtra object using Geopoint
Firestore how to putExtra object using Geopoint
I hope this helps . Objects that implements serializable are very useful because can be pass in the extras of an intent: , You can try bellow approach :
TAG : android
Date : January 12 2021, 08:33 AM , By : user137798
Apple Maps and Google Maps API feasibility
Apple Maps and Google Maps API feasibility
Hope that helps Its possible. Just you need to save the lat long on your server of every logged in user. And while any client i.e. Android or iOS app login the app you can have an endpoint that returns the location of all logged in users in server. F
TAG : android
Date : January 12 2021, 08:33 AM , By : Josh Tegart
Jetpack Navigation: Hide label in toolbar
Jetpack Navigation: Hide label in toolbar
To fix this issue One solution would be to hide the action bar in your specific fragment and create a new ActionBar inside the fragment with your searchview etc. for it. Depending on whether it's a support or normal actionbar it would be something li
TAG : android
Date : January 12 2021, 01:40 AM , By : user185144
get thumbnail from video URL but it takes more than 5 seconds to load data on recycler view
get thumbnail from video URL but it takes more than 5 seconds to load data on recycler view
To fix this issue This line is probably the one slowing down the loading process. The worst case is that it may throw an OOM Exception
TAG : android
Date : January 12 2021, 01:40 AM , By : paolodm
How to fix 'Android SDK not found at this location' error while installing flutter?
How to fix 'Android SDK not found at this location' error while installing flutter?
wish helps you It seems that , you set the ANDROID_HOME variable but it is not added to PATH. Make sure you add the ANDROID_HOME to the path as below
TAG : android
Date : January 11 2021, 05:14 PM , By : Jonathan Bernard
Android Shared Storage protection issue
Android Shared Storage protection issue
this one helps. It seems some injection attacks happens in your application through the mobile ad contentsInjection attacks happens in the Android apps following cases
TAG : android
Date : January 11 2021, 05:14 PM , By : Michael
How can I clone views using java code in Android Studio
How can I clone views using java code in Android Studio
hop of those help? First of all read this How to ask? , it's really hard to understand what you want us to help you with.If i understand you correctly you want to display some kind of a list that updates when u update your JSON/Online database.
TAG : android
Date : January 11 2021, 05:14 PM , By : lwl_seu
Hide title and action bar for splash screen and remove White screen in start
Hide title and action bar for splash screen and remove White screen in start
it fixes the issue I want to remove title and ActionBar on top of my splash activity. I tried the below code,
TAG : android
Date : January 11 2021, 05:14 PM , By : 3NZ0
Why can not hashing key android for facebook
Why can not hashing key android for facebook
Hope this helps create apk you want and generate key with keytool -list -printcert -jarfile yourapkname.apk after that select key and paste in http://tomeko.net/online_tools/hex_to_base64.php to generate base64
TAG : android
Date : January 11 2021, 05:14 PM , By : Porta
Can not create handler inside thread that has not called Looper.prepare()
Can not create handler inside thread that has not called Looper.prepare()
it should still fix some issue AlertDialogs are UI elements and so the work needs to be executed on the UI Thread:
TAG : android
Date : January 11 2021, 05:14 PM , By : merten
ID of the child views in a custom view are same in Android
ID of the child views in a custom view are same in Android
Any of those help I have a custom view ValueSelectorView which contains two buttons to increment and decrement value and an EditText to display that value. In my activity, I am using this view three times. My concern here is with the child views that
TAG : android
Date : January 11 2021, 05:14 PM , By : Stephen Dewar
Android: unable to hide appbar on scrolling
Android: unable to hide appbar on scrolling
I hope this helps . I am trying hide appbar when scrolling but it does not work . This is the main layout: , @MikeM I changed main layout to this:
TAG : android
Date : January 11 2021, 05:14 PM , By : Jason Vance
Best layout for form-style screen
Best layout for form-style screen
help you fix your problem I agree with Nezih Yılmaz, In my opinions constraintlayout will work for you.
TAG : android
Date : January 11 2021, 03:34 PM , By : niel
How To create multiple function in Adapter Class Android with Retrofit
How To create multiple function in Adapter Class Android with Retrofit
I wish this help you Best to define your adapter as an abstract class and make two separate class that you want to have for those two places.I guess you want to have two different onCreateViewHolder functions.
TAG : android
Date : January 11 2021, 03:34 PM , By : user178372
Can the Android Flow virtual layout handle variable-width Views
Can the Android Flow virtual layout handle variable-width Views
With these it helps Here is a simple example of how it can be achieved (ConstraintLayout:2.0.0-beta2):
TAG : android
Date : January 11 2021, 03:34 PM , By : Martin
How to fix "Unable to load class 'dagger.Multibindings'" due to problems with gradle
How to fix "Unable to load class 'dagger.Multibindings'" due to problems with gradle
With these it helps I am currently developing an android application (Min. API-Level 21) with Android Studio 3.4.2. When I tried to sync my gradle (I was adding dagger dependencies) I seem to have lost my internet connection, therefore resulting in a
TAG : android
Date : January 11 2021, 03:34 PM , By : k19k
VpnService always-on "not supported by this app"
VpnService always-on "not supported by this app"
I wish did fix the issue. I've found the problem.In my AndroidManifest.xml when I declared the intent-filters for my service I had a typo.
TAG : android
Date : January 11 2021, 03:32 PM , By : AnthonyC
Android Studio - Gradle "Sync now" is not Available
Android Studio - Gradle "Sync now" is not Available
hope this fix your issue Not the best solution but this works: when I open the project under the android folder, I am able to run the gradle sync. It is when I am opening the project from a top level directory I run into the issue. This seems wrong a
TAG : android
Date : January 11 2021, 03:32 PM , By : Kuer
How do i get my code to give my current location?
How do i get my code to give my current location?
help you fix your problem I will try and assist. I will assume you have all the requisite libraries in your gradle. Check if you have
TAG : android
Date : January 11 2021, 03:32 PM , By : desmiserables
Could not initialize class sun.util.calendar.ZoneInfoFile while using Flutter firebase-notifications
Could not initialize class sun.util.calendar.ZoneInfoFile while using Flutter firebase-notifications
wish helps you well, disabling the following extensions in my vs code helped me solve the issue
TAG : android
Date : January 11 2021, 03:32 PM , By : TheDave1022
How to implement circular to check / tick animation in Android?
How to implement circular to check / tick animation in Android?
will be helpful for those in need Have you tried seeing the source code for this:https://github.com/cdflynn/checkview
TAG : android
Date : January 11 2021, 03:28 PM , By : Wilfred Knigge
Toolbar shadow not showing
Toolbar shadow not showing
Any of those help I got it to work by adding the following codes to my MainActivity class:
TAG : android
Date : January 11 2021, 03:28 PM , By : Nandor Devai
Android Sqlite get rows where first character is not an Alphabet
Android Sqlite get rows where first character is not an Alphabet
it should still fix some issue I'm trying to return rows from a specific column where the first character is not an alphabet (A-Z) , Why don't you try the GLOB operator?
TAG : android
Date : January 11 2021, 03:28 PM , By : John Bentley
why I receive "bad request" in my request by retrofit
why I receive "bad request" in my request by retrofit
wish of those help You should try this by using @FormUrlEncodedCreate class RegResponse
TAG : android
Date : January 11 2021, 03:26 PM , By : OllieDoodle
Intercept NavigationUI.onNavDestinationSelected() to make backstack pop with "inclusive = true"
Intercept NavigationUI.onNavDestinationSelected() to make backstack pop with "inclusive = true"
it should still fix some issue As usual, sleeping over a problem helps. I found out that you can easily set your own NavigationItemSelectedListener. Also the method I am mentioning in my question is public static, so it can also easily be called as f
TAG : android
Date : January 11 2021, 03:26 PM , By : Kiltec
I have a problem with the navigation fragments in my proyect, it sais that I need a defaut nav host atribute but I alrea
I have a problem with the navigation fragments in my proyect, it sais that I need a defaut nav host atribute but I alrea
This might help you I am in a Android develepoment course and I am with the navigation with fragment and I put the defautnavhost on my unique fragment but it stil get an error , you have a misspelling error:
TAG : android
Date : January 11 2021, 03:26 PM , By : Will
How can I keep a BottomSheetDialogFragment height to always match_parent?
How can I keep a BottomSheetDialogFragment height to always match_parent?
seems to work fine Even though I'm not satisfied with the fix I came up to, I have to say it's working smoothly.Basically I wrapped my bottomsheet with a ViewPager and it's not resizing.
TAG : android
Date : January 11 2021, 02:18 PM , By : Thaweesak Suksuwan
How to reference a timerPicker in android studio using kotlin
How to reference a timerPicker in android studio using kotlin
this will help This is because I use API 28 and not 27 and under. The answer can found here: https://github.com/xamarin/Xamarin.Forms/issues/5159
TAG : android
Date : January 11 2021, 02:18 PM , By : doctorbigtime
Firebase Crashlytics - get stacktrace info to display during CrashlyticsListener.crashlyticsDidDetectCrashDuringPrevious
Firebase Crashlytics - get stacktrace info to display during CrashlyticsListener.crashlyticsDidDetectCrashDuringPrevious
help you fix your problem It is not possible to get any data form the previous crash report, although what you can provide are the custom keys from the current session, assuming they are always same for a particular user.
TAG : android
Date : January 11 2021, 11:39 AM , By : TC.
Schedule a repeating alarm clock
Schedule a repeating alarm clock
Does that help Mike's comment is the right answer. In short, you have to manually trigger it.
TAG : android
Date : January 11 2021, 11:39 AM , By : Nick Pegg
Can't assign values outside onTouchListener
Can't assign values outside onTouchListener
To fix this issue when a item is pressed I want to modify a value declared outside the onCreate method. But when the item is pressed, the onTouchListener does the other functions except modify that value. I've tried to write the same instruction to m
TAG : android
Date : January 11 2021, 11:39 AM , By : Erwin
Is setContentView() needed to inflate a fragment?
Is setContentView() needed to inflate a fragment?
fixed the issue. Will look into that further I'm trying to set up a setting page for my app by following the Settings guide. , when do I need to use setContentView()?
TAG : android
Date : January 11 2021, 11:39 AM , By : orlandoferrer
Why instead of string method returns Kotlin.Unit?
Why instead of string method returns Kotlin.Unit?
This might help you The solution was missed return state. By default Kotlin leave it as UNIT thats why as result I received kotlin.Unit text. The solution change looks like thisI changed presenter
TAG : android
Date : January 10 2021, 02:06 PM , By : user143729
Retrofit slash as Query
Retrofit slash as Query
Hope this helps I am trying to download data from this api: , You can do the following:
TAG : android
Date : January 10 2021, 02:06 PM , By : Nandor Devai
When does onCreateView() get called in this app?
When does onCreateView() get called in this app?
this will help After your Activity has walked through its startup lifecycle (i.e. after onResume()), it will start drawing to the screen. The exact manner in which Android draws views to the screen is more complicated than it's worth getting into rig
TAG : android
Date : January 10 2021, 02:06 PM , By : Deepak Poondi
Fragment is reloaded each time after rejecting location permission
Fragment is reloaded each time after rejecting location permission
Any of those help The problem wasn't in onRequestPermissionsResult method. The problem was on onResume method of activity, that this fragment was attached to. Each time permission was asked onResume method of activity was called.
TAG : android
Date : January 10 2021, 02:06 PM , By : pcoramc
How to read ViewModel data from sttrings.xml list of items
How to read ViewModel data from sttrings.xml list of items
hop of those help? Provide a string-array in the strings.xml resources, using the resources.getStringArray function to retrieve the values. Example (note that the MainActivity is passed as a parameter to provide access to resources):
TAG : android
Date : January 10 2021, 02:06 PM , By : MK.
Flutter doctor does not see vs code ,VS code does not detect flutter/bin
Flutter doctor does not see vs code ,VS code does not detect flutter/bin
wish helps you There was a bug in the Locate SDK functionality in a previous version of the Dart/Flutter extensions for VS Code that should be fixed in v3.4:https://dartcode.org/releases/v3-4/other
TAG : android
Date : January 10 2021, 02:04 PM , By : usingtechnology
How to build aar in flutter
How to build aar in flutter
this will help flutter build aar was introduced in Flutter 1.8.3 and the current stable version is 1.7.8+hotfix.4. You would have to switch to the beta, dev or master branch by running eg. flutter channel beta.
TAG : android
Date : January 10 2021, 02:04 PM , By : damomurf
Is displayMetrix xdpi and ydpi accurate?
Is displayMetrix xdpi and ydpi accurate?
hope this fix your issue As far as I can tell, that is not possible. The Android documentation of the DisplayMetrics class is misleading. It sucks, I know.
TAG : android
Date : January 10 2021, 01:57 PM , By : Ari
How to detect doubletap on a View?
How to detect doubletap on a View?
around this issue Your view needs to implement the onTouchEvent() method, and that method needs to pass the event along to the onTouchEvent() method of the GestureDetector object.
TAG : android
Date : January 10 2021, 01:57 PM , By : Boris
how to play an encrypted file in Android
how to play an encrypted file in Android
wish of those help If you have an encryption format that can be decrypted on a stream, then you can insert a proxy between the stream source and the media player and read it from there.The NPR Android News app has an example of a proxy inserted to al
TAG : android
Date : January 10 2021, 01:57 PM , By : toki
Android: keytool error on the command line when locating debug.keystore
Android: keytool error on the command line when locating debug.keystore
Hope that helps to generate debug.keystore file in Eclipse/ADT, go to Windows > Preferences > Android > Build
TAG : android
Date : January 10 2021, 01:57 PM , By : Gabe
Android paint/canvas issue; drawing smooth curves
Android paint/canvas issue; drawing smooth curves
I wish this helpful for you There is a FingerPaint application bundled with API demos package; you can take a look at that. Here is the link
TAG : android
Date : January 10 2021, 01:57 PM , By : user186831
Problems with starting an activity in onStart
Problems with starting an activity in onStart
seems to work fine I had a similar problem and got the behavior I wanted by overriding onAttachedToWindow() instead.
TAG : android
Date : January 10 2021, 01:57 PM , By : Bjørn Lyngwa
Performance of map overlay in conjunction with ItemizedOverlay is very poor
Performance of map overlay in conjunction with ItemizedOverlay is very poor
help you fix your problem I am trying to display one png (drawable) on a map in about 300 points. I am retrieving the coordinates from a Sqlite table, dumping them in a cursor. When I try to display them by parsing through the cursor, it takes for ev
TAG : android
Date : January 10 2021, 01:57 PM , By : kennystone
How to change android indeterminate ProgressBar color?
How to change android indeterminate ProgressBar color?
Hope this helps I would like to know how I can change indeterminate ProgressBar color from basis white/grey color to black ? When I change the indeterminateDrawable, I get a static image instead of a moving animated progressBar. Is there any way to d
TAG : android
Date : January 10 2021, 01:57 PM , By : antonio
How do I change the Mobile Country Code (MCC) in the Android Emulator?
How do I change the Mobile Country Code (MCC) in the Android Emulator?
To fix this issue To change what TelephonyManager.getSimCountryIso() returns, simply execute
TAG : android
Date : January 10 2021, 01:57 PM , By : s8k
Stop Progressbar manual scrolling in Android
Stop Progressbar manual scrolling in Android
I hope this helps . There is example code on the Android developers website: https://developer.android.com/reference/android/widget/ProgressBar.htmlHave you followed that? I doubt the progress bar is scrollable by default, it would be a seek bar then
TAG : android
Date : January 10 2021, 01:49 PM , By : user171752
Android: download large file
Android: download large file
it helps some times You should look at implementing HTTP Ranges. This will allow you to re-start your download when it fails.As to why it stops, some carriers implement download limits which will drop a connection after a certain time or download amo
TAG : android
Date : January 10 2021, 01:49 PM , By : Mariocki

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