mycardholder's Introduction

MyCardholder

An open source cardholder app to store you card details in one place.

Tech-stack

Kotlin
- Android KTX - set of extensions that are included with Android Jetpack and other Android libraries
- Coroutines - recommended solution for asynchronous programming on Android
- Kotlin Flow - data flow across all app layers, including views
Firebase
- ML Kit's barcode scanning
Jetpack
- CameraX - camera capabilities
- Constraintlayout - position and size widgets in a flexible way with relative positioning
- Hilt - dependency injection
- Lifecycle - perform an action when lifecycle state changes
- Navigation - in-app navigation
- Room - store offline cache
Coil - image loading library
Lottie - animation library
ZXing - barcode encoding/decoding library

UI

View Binding - retrieve xml view ids
Material Design 3 - application design system providing UI components
Dark Theme - dark theme for the app (Android 10+)

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mycardholder's Issues

NullPointerException after edit fab click

java.lang.NullPointerException: transitionName must not be null
    at my.cardholder.util.ViewExtKt.setupUniqueTransitionName(ViewExt.kt:7)
    at my.cardholder.ui.card.editor.CardEditorFragment.initViews(CardEditorFragment.kt:40)
    at my.cardholder.ui.base.BaseFragment.onViewCreated(BaseFragment.kt:67)
    at androidx.fragment.app.Fragment.performViewCreated(Fragment.java:3128)
    at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:552)
    at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:261)
    at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:1890)
    at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:1814)
    at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1751)
    at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:538)
    at android.os.Handler.handleCallback(Handler.java:942)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loopOnce(Looper.java:201)
    at android.os.Looper.loop(Looper.java:288)
    at android.app.ActivityThread.main(ActivityThread.java:7898)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)