# Android **URL:** https://forums.kodeco.com/c/general/android/20.md?page=2 [Latest](https://forums.kodeco.com/latest.md) · [Categories](https://forums.kodeco.com/categories.md) · [Tags](https://forums.kodeco.com/tags.md) **Page:** 3 --- ## [How to Call Java function from JavaScript in GeckoView (mozilla)](https://forums.kodeco.com/t/how-to-call-java-function-from-javascript-in-geckoview-mozilla/143590)
**Author:** [@peeyu](https://forums.kodeco.com/u/peeyu)\ **Replies:** 0\ **Last updated:** [July 5, 2021, 11:52am UTC](https://forums.kodeco.com/t/how-to-call-java-function-from-javascript-in-geckoview-mozilla/143590 "2021-07-05T11:52:12Z")
I want to call java function from javascript in geckoview pls help me share code…I’m to development. Thanks in advance. --- ## [Android apprentice Chapter Four](https://forums.kodeco.com/t/android-apprentice-chapter-four/143181)
**Author:** [@bruceczelenka](https://forums.kodeco.com/u/bruceczelenka)\ **Replies:** 0\ **Last updated:** [June 29, 2021, 7:27pm UTC](https://forums.kodeco.com/t/android-apprentice-chapter-four/143181 "2021-06-29T19:27:38Z")
When I run Chapter Four code, If I do not run game and tilt phone I get the Toast message that the game is over. 60 seconds remaining, no score. I tried to figure out the problem but to no avail. Has anyone run into this… --- ## [Android App for Doctors Looking for Residency](https://forums.kodeco.com/t/android-app-for-doctors-looking-for-residency/142879)
**Author:** [@kathrinoneill044](https://forums.kodeco.com/u/kathrinoneill044)\ **Replies:** 2\ **Last updated:** [June 26, 2021, 7:03pm UTC](https://forums.kodeco.com/t/android-app-for-doctors-looking-for-residency/142879 "2021-06-26T19:03:06Z")
I’m just wondering if it’s hard to create an Android app for doctors looking for residency and fellowship positions just like the website MedResidency. But for mine, it’s an app. --- ## [Widget with jetpack compose](https://forums.kodeco.com/t/widget-with-jetpack-compose/142892)
**Author:** [@kjlee5435](https://forums.kodeco.com/u/kjlee5435)\ **Replies:** 0\ **Last updated:** [June 25, 2021, 4:57am UTC](https://forums.kodeco.com/t/widget-with-jetpack-compose/142892 "2021-06-25T04:57:43Z")
I notice that widget UI has a big changes. But Google I/O does not provides any tutorial how to use jetpack compose or new implementation. Does anybody have a article or guide for new widget implementation on android wi… --- ## [Android Kotlin app - One Activity, Three Fragments, Retrofit2, Picasso/Glide, RecyclerView, and Reactive UI = ViewModel + LiveData + Data Binding (View Binding)](https://forums.kodeco.com/t/android-kotlin-app-one-activity-three-fragments-retrofit2-picasso-glide-recyclerview-and-reactive-ui-viewmodel-livedata-data-binding-view-binding/141247)
**Author:** [@gecasti](https://forums.kodeco.com/u/gecasti)\ **Replies:** 0\ **Last updated:** [May 31, 2021, 2:03pm UTC](https://forums.kodeco.com/t/android-kotlin-app-one-activity-three-fragments-retrofit2-picasso-glide-recyclerview-and-reactive-ui-viewmodel-livedata-data-binding-view-binding/141247 "2021-05-31T14:03:42Z")
I successfully develop an iTunes Music Search Android app using Kotlin with one activity and three fragments (search, list, and detail) using Retrofit2 to interact with iTunes Search API, Picasso to get the art image fro… --- ## [MovieidToMovieDetails](https://forums.kodeco.com/t/movieidtomoviedetails/139801)
**Author:** [@doer](https://forums.kodeco.com/u/doer)\ **Replies:** 0\ **Last updated:** [May 11, 2021, 4:24pm UTC](https://forums.kodeco.com/t/movieidtomoviedetails/139801 "2021-05-11T16:24:34Z")
Hello everyone so recently I learn network and podcast in the android Apprentice book. I then decided to create a movie app using themoviedb Api. In the podcast section, the feedUrl was used to loading podcast data. I… --- ## [Data is not inserting into firebase](https://forums.kodeco.com/t/data-is-not-inserting-into-firebase/138110)
**Author:** [@saboor8802](https://forums.kodeco.com/u/saboor8802)\ **Replies:** 0\ **Last updated:** [April 19, 2021, 6:25pm UTC](https://forums.kodeco.com/t/data-is-not-inserting-into-firebase/138110 "2021-04-19T18:25:06Z")
Hello to all! I have been Using google firebase with my android apps for more than 2 years. Today while developing a new app I am facing a weird problem. I set up my firebase project on Google firebase Console succe… --- ## [Question for Android Networking: Fundamentals (Kotlin Serialize)](https://forums.kodeco.com/t/question-for-android-networking-fundamentals-kotlin-serialize/118589)
**Author:** [@dan00](https://forums.kodeco.com/u/dan00)\ **Replies:** 2\ **Last updated:** [April 12, 2021, 6:51am UTC](https://forums.kodeco.com/t/question-for-android-networking-fundamentals-kotlin-serialize/118589 "2021-04-12T06:51:01Z")
There is an update with the parser where the original code has been deprecated kotlin 1.3.61, converter 0.4.0 Retrofit.Builder() .client(buildClient()) .baseUrl(BASE\_URL) .addConverterFactory(Json.nonstrict.asCo… --- ## [Podcast episodes](https://forums.kodeco.com/t/podcast-episodes/134281)
**Author:** [@doer](https://forums.kodeco.com/u/doer)\ **Replies:** 0\ **Last updated:** [March 4, 2021, 9:52pm UTC](https://forums.kodeco.com/t/podcast-episodes/134281 "2021-03-04T21:52:14Z")
In android Apprentice book Section IV podcast episodes. Whenever I click some podcast not all I get an error One reads like this"java.lang.Error:java.text.ParseException: Unparseable date: Fri, 26 Feb 2021 19:15:09 +0… --- ## [Viewbinding Android](https://forums.kodeco.com/t/viewbinding-android/131747)
**Author:** [@doer](https://forums.kodeco.com/u/doer)\ **Replies:** 7\ **Last updated:** [February 3, 2021, 5:04pm UTC](https://forums.kodeco.com/t/viewbinding-android/131747 "2021-02-03T17:04:44Z")
Hello coders, In android Apprentice, when you making a nav drawer for placebook. The author used android kotlin extension. However I t is now deprecated in favor of viewbinding. The problem is with the Viewbinding I am … --- ## [Kotlin Multiplatform is getting a loot of attention](https://forums.kodeco.com/t/kotlin-multiplatform-is-getting-a-loot-of-attention/131575)
**Author:** [@ivanomontanino](https://forums.kodeco.com/u/ivanomontanino)\ **Replies:** 0\ **Last updated:** [February 1, 2021, 8:07am UTC](https://forums.kodeco.com/t/kotlin-multiplatform-is-getting-a-loot-of-attention/131575 "2021-02-01T08:07:44Z")
but the tutorial is quite old , and now major changes are needed to get it work, I suggest to make at least a new article with a working project with the present technology, and then update it properly, or updating the e… --- ## [Placebook App Android Apprentice](https://forums.kodeco.com/t/placebook-app-android-apprentice/130921)
**Author:** [@doer](https://forums.kodeco.com/u/doer)\ **Replies:** 2\ **Last updated:** [January 26, 2021, 9:49pm UTC](https://forums.kodeco.com/t/placebook-app-android-apprentice/130921 "2021-01-26T21:49:33Z")
Hello everyone, So I am creating the placebook app from android Apprentice. Whenever I clicked a place I get the red marker. However when I click the place info to save. The marker is supposed to turn blue according to … --- ## [Listmaker app keeps stopping](https://forums.kodeco.com/t/listmaker-app-keeps-stopping/130556)
**Author:** [@kman1099](https://forums.kodeco.com/u/kman1099)\ **Replies:** 1\ **Last updated:** [January 24, 2021, 6:32am UTC](https://forums.kodeco.com/t/listmaker-app-keeps-stopping/130556 "2021-01-24T06:32:54Z")
Hello everyone! I am trying to work on the listmaker app from the android apprentice book and when I try to run the app, the app keeps stopping. I have done this app 9 different times and the message is the same. What do… --- ## [Android Package Publishing Shared Components](https://forums.kodeco.com/t/android-package-publishing-shared-components/130876)
**Author:** [@coryrobinson42](https://forums.kodeco.com/u/coryrobinson42)\ **Replies:** 0\ **Last updated:** [January 23, 2021, 3:10pm UTC](https://forums.kodeco.com/t/android-package-publishing-shared-components/130876 "2021-01-23T15:10:13Z")
Does RW have or plan to have a course on how to package and share code in Android projects (similar to npm modules in JS land)? If not, where would be a good place to learn about this process and best practices? --- ## [How to piece move](https://forums.kodeco.com/t/how-to-piece-move/129784)
**Author:** [@hako999](https://forums.kodeco.com/u/hako999)\ **Replies:** 0\ **Last updated:** [January 11, 2021, 7:23am UTC](https://forums.kodeco.com/t/how-to-piece-move/129784 "2021-01-11T07:23:58Z")
Hello, I’m doing a chess-like game and I based this https://www.raywenderlich.com/186631/how-to-make-a-chess-game-with-unity project as a substructure, but I have a problem here, the rook just want to cancel it going ba… --- ## [Using bind Method Inside ViewHolder on Just use onBindViewHolder Directly?](https://forums.kodeco.com/t/using-bind-method-inside-viewholder-on-just-use-onbindviewholder-directly/126590)
**Author:** [@lobothijau](https://forums.kodeco.com/u/lobothijau)\ **Replies:** 0\ **Last updated:** [December 5, 2020, 5:41am UTC](https://forums.kodeco.com/t/using-bind-method-inside-viewholder-on-just-use-onbindviewholder-directly/126590 "2020-12-05T05:41:24Z")
I have always use onBindViewHolder directly to set my data models to the ui of the RecyclerView item. But, I also see many devs love to use bind method inside the ViewHolder. What is actually the pros of using bind metho… --- ## [Android in-app billing](https://forums.kodeco.com/t/android-in-app-billing/124366)
**Author:** [@jbrohan](https://forums.kodeco.com/u/jbrohan)\ **Replies:** 0\ **Last updated:** [November 6, 2020, 5:22pm UTC](https://forums.kodeco.com/t/android-in-app-billing/124366 "2020-11-06T17:22:04Z")
Looking for guidance about how to install in-app billing in my app. Can I use the Billing API from inside my Java app? Any examples or tutorials? Thanks John --- ## [Flutter doctor says Android Studio doesn't have plugins. Help!](https://forums.kodeco.com/t/flutter-doctor-says-android-studio-doesnt-have-plugins-help/122663)
**Author:** [@john2001plus](https://forums.kodeco.com/u/john2001plus)\ **Replies:** 3\ **Last updated:** [October 29, 2020, 10:42pm UTC](https://forums.kodeco.com/t/flutter-doctor-says-android-studio-doesnt-have-plugins-help/122663 "2020-10-29T22:42:59Z")
Flutter doctor says Android Studio doesn’t have flutter and dart plugins. Help! Android Studio does say that the Flutter plugin is installed. --- ## [Java/Kotlin Interoperability](https://forums.kodeco.com/t/java-kotlin-interoperability/122375)
**Author:** [@doer](https://forums.kodeco.com/u/doer)\ **Replies:** 0\ **Last updated:** [October 11, 2020, 8:06pm UTC](https://forums.kodeco.com/t/java-kotlin-interoperability/122375 "2020-10-11T20:06:18Z")
Hello Everyone, I am learning Kotlin but I have no knowledge about Java at all.I want to know if its ok if I skip the Java/Kotlin interoperabilty topic.Any help will be greatly appreciated. Thanks --- ## [Offline Development Strategy](https://forums.kodeco.com/t/offline-development-strategy/121800)
**Author:** [@lobothijau](https://forums.kodeco.com/u/lobothijau)\ **Replies:** 2\ **Last updated:** [October 5, 2020, 2:47pm UTC](https://forums.kodeco.com/t/offline-development-strategy/121800 "2020-10-05T14:47:20Z")
Hello everyone. In my development process, I usually do this: Create the app with hardcoded data When the api is ready, update the app to consume data from the server The problem I face after the the implementation t… --- ## [New version of Threading with Handler thread now that Handler is depricated](https://forums.kodeco.com/t/new-version-of-threading-with-handler-thread-now-that-handler-is-depricated/121259)
**Author:** [@cstorry](https://forums.kodeco.com/u/cstorry)\ **Replies:** 0\ **Last updated:** [September 28, 2020, 8:02pm UTC](https://forums.kodeco.com/t/new-version-of-threading-with-handler-thread-now-that-handler-is-depricated/121259 "2020-09-28T20:02:25Z")
Im a newby at learning Kotlin and Android programming. I found the tutorial titled “Threading With HandlerThread in Android” useful in understanding how to have threads communicate (particularly with UI thread). Howeve… --- ## [What technology should I learn to make a safe app with offers/announcenemts?](https://forums.kodeco.com/t/what-technology-should-i-learn-to-make-a-safe-app-with-offers-announcenemts/117979)
**Author:** [@pablotitan](https://forums.kodeco.com/u/pablotitan)\ **Replies:** 3\ **Last updated:** [September 19, 2020, 4:13am UTC](https://forums.kodeco.com/t/what-technology-should-i-learn-to-make-a-safe-app-with-offers-announcenemts/117979 "2020-09-19T04:13:05Z")
Hi! So, I want to start making mobile and web applications and one of my ideas is to create an app that allows people to post offers (something like Fiverr maybe, but way smaller scope, in a particular group of people… --- ## [Databinding With Fragments](https://forums.kodeco.com/t/databinding-with-fragments/107825)
**Author:** [@akshay\_tannirwar](https://forums.kodeco.com/u/akshay_tannirwar)\ **Replies:** 3\ **Last updated:** [August 10, 2020, 5:25am UTC](https://forums.kodeco.com/t/databinding-with-fragments/107825 "2020-08-10T05:25:58Z")
Is there anyone how has used databinding in fragment ?? if yes? pls share your snippet --- ## [Https://www.raywenderlich.com/247-react-native-tutorial-building-android-apps-with-javascript#toc-anchor-008](https://forums.kodeco.com/t/https-www-raywenderlich-com-247-react-native-tutorial-building-android-apps-with-javascript-toc-anchor-008/107437)
**Author:** [@hollerith](https://forums.kodeco.com/u/hollerith)\ **Replies:** 2\ **Last updated:** [July 21, 2020, 12:25am UTC](https://forums.kodeco.com/t/https-www-raywenderlich-com-247-react-native-tutorial-building-android-apps-with-javascript-toc-anchor-008/107437 "2020-07-21T00:25:01Z")
https://www.raywenderlich.com/247-react-native-tutorial-building-android-apps-with-javascript#toc-anchor-008 I’m not sure what is going on but I think this tutorial is broken by ‘createStackNavigator’ being currently br… --- ## [How to increase response read timeout in GeckoView for Android](https://forums.kodeco.com/t/how-to-increase-response-read-timeout-in-geckoview-for-android/108773)
**Author:** [@acrolink](https://forums.kodeco.com/u/acrolink)\ **Replies:** 4\ **Last updated:** [July 8, 2020, 6:20pm UTC](https://forums.kodeco.com/t/how-to-increase-response-read-timeout-in-geckoview-for-android/108773 "2020-07-08T18:20:17Z")
I am having an issue sometimes on slow connections. If the connection is slow then the attempt to load a web-page might cause a screen like this one: I understand is that the default response read timeout is set by de… --- ## [Need advice on Android Dev](https://forums.kodeco.com/t/need-advice-on-android-dev/103837)
**Author:** [@caido913](https://forums.kodeco.com/u/caido913)\ **Replies:** 2\ **Last updated:** [July 8, 2020, 2:22pm UTC](https://forums.kodeco.com/t/need-advice-on-android-dev/103837 "2020-07-08T14:22:47Z")
I’ve been trying to learn android dev for some time and I seriously feel like giving up. Your video tutorials and articles are a great help in learning. My concern is that android is evolving rapidly or rather best pract… --- ## [Android Studio (ARcore + Sceneform)](https://forums.kodeco.com/t/android-studio-arcore-sceneform/109700)
**Author:** [@guruabyss](https://forums.kodeco.com/u/guruabyss)\ **Replies:** 3\ **Last updated:** [July 7, 2020, 12:49am UTC](https://forums.kodeco.com/t/android-studio-arcore-sceneform/109700 "2020-07-07T00:49:16Z")
I’m just starting out in AR and using Android Studio(ARCore + Sceneform). Using maya to export a FBX file with embedded media checked. Using a blinn for some of the objects body and a semitransparent shader to represent … --- ## [MVVM - Building base view Model in Java](https://forums.kodeco.com/t/mvvm-building-base-view-model-in-java/111308)
**Author:** [@saravinfotech](https://forums.kodeco.com/u/saravinfotech)\ **Replies:** 2\ **Last updated:** [July 7, 2020, 12:15am UTC](https://forums.kodeco.com/t/mvvm-building-base-view-model-in-java/111308 "2020-07-07T00:15:59Z")
Hi There, I have recently learned MVVM architecture, I am still using Java. I am not able to figure out a way to build a common View model factory so that I don’t have to keep initializing my ViewModels in my view class… --- ## [Any example of creating a WebExtensionController instance to be used with latest GeckView (\>=v73)](https://forums.kodeco.com/t/any-example-of-creating-a-webextensioncontroller-instance-to-be-used-with-latest-geckview-v73/98210)
**Author:** [@acrolink](https://forums.kodeco.com/u/acrolink)\ **Replies:** 4\ **Last updated:** [July 6, 2020, 4:37am UTC](https://forums.kodeco.com/t/any-example-of-creating-a-webextensioncontroller-instance-to-be-used-with-latest-geckview-v73/98210 "2020-07-06T04:37:03Z")
Release notes for GeckoView v73 state the following: ⚠️ WebExtension’s constructor now requires a WebExtensionController instance. But I cannot find any example how to do that. Your help is highly appreciated. --- ## [Communicating from a foreground service to Activity](https://forums.kodeco.com/t/communicating-from-a-foreground-service-to-activity/108540)
**Author:** [@shivamdhuria27](https://forums.kodeco.com/u/shivamdhuria27)\ **Replies:** 1\ **Last updated:** [July 6, 2020, 3:46am UTC](https://forums.kodeco.com/t/communicating-from-a-foreground-service-to-activity/108540 "2020-07-06T03:46:09Z")
I have an Activity which starts a Foreground Call Service. I use callbacks to communicate from Service to Activity. The Activity is essentially a Call Screen and has options like Mute, Speaker etc. Here’s a problem, Whe… [Previous page](https://forums.kodeco.com/c/general/android/20.md?page=1) [Next page](https://forums.kodeco.com/c/general/android/20.md?page=3)