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Android project template for Gradle Kotlin DSL + 100% Kotlin + Base module + Extensions = ❤️

Home Page: https://enginebai.com/2019/10/21/gradle-kotlin-dsl/

License: MIT License

Kotlin 100.00%

android kotlin gradle-kotlin-dsl rxjava2 koin architecture-components project-template template

androidbase's People

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ten-wang pp-lucaal-sportsbet cybernetics ken-afk tirgei serabile pranavlathigara llzhao ccoder7 ilkeryildirim getdragon jakkraphan iamriajul phamdat080598 shalithacodezync holdfoot

androidbase's Issues

Split project template and libraries modules

Goals

Make this project as simple as possible, to demonstrate how to use Gradle Kotlin DSL project as template.
Move other codebase (i.e. extension, base, utilities ...etc) as library from this template project, so that we can import and update this library independently.

Upgrade dependencies version

RxJava
AndroidX

NPE while building with Proguard

While building app with Proguard, it raises the NPE.

2020-12-02T14:04:34.397+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] Caused by: java.lang.NullPointerException
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.ProgramClass.constantPoolEntryAccept(ProgramClass.java:537)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.shrink.UsageMarker.markConstant(UsageMarker.java:1246)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.shrink.UsageMarker.visitRequiresInfo(UsageMarker.java:1040)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.attribute.module.ModuleAttribute.requiresAccept(ModuleAttribute.java:138)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.shrink.UsageMarker.visitModuleAttribute(UsageMarker.java:739)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.attribute.module.ModuleAttribute.accept(ModuleAttribute.java:99)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.ProgramClass.attributesAccept(ProgramClass.java:619)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.shrink.UsageMarker.markProgramClassBody(UsageMarker.java:124)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.shrink.UsageMarker.visitProgramClass(UsageMarker.java:94)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.visitor.MultiClassVisitor.visitProgramClass(MultiClassVisitor.java:67)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.visitor.MultiClassVisitor.visitProgramClass(MultiClassVisitor.java:67)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.visitor.ClassNameFilter.visitProgramClass(ClassNameFilter.java:128)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.ProgramClass.accept(ProgramClass.java:430)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.ClassPool.classesAccept(ClassPool.java:124)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.visitor.AllClassVisitor.visitClassPool(AllClassVisitor.java:45)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.visitor.MultiClassPoolVisitor.visitClassPool(MultiClassPoolVisitor.java:85)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.classfile.ClassPool.accept(ClassPool.java:110)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.shrink.Shrinker.execute(Shrinker.java:90)
2020-12-02T14:04:34.398+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.ProGuard.shrink(ProGuard.java:381)
2020-12-02T14:04:34.399+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at proguard.ProGuard.execute(ProGuard.java:145)
2020-12-02T14:04:34.399+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	at com.android.build.gradle.internal.tasks.ProguardDelegate.run(ProguardDelegate.kt:118)
2020-12-02T14:04:34.399+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 	... 194 more
2020-12-02T14:04:34.399+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 
2020-12-02T14:04:34.399+0800 [ERROR] [org.gradle.internal.buildevents.BuildExceptionReporter] 
BUILD FAILED in 1m 54s

Dimen utility

Convert dp to px
Convert sp to px

ResourcesManager

View extension

Visibility

Paging utils

enum class NetworkState {
    IDLE,
    LOADING,
    ERROR
}

/**
 * It is used for UI to show a list and corresponding states and actions.
 */
data class Listing<T>(
    // the paged list for UI to observe
    val pagedList: Observable<PagedList<T>>,
    // the network request state for pull-to-refresh or first time refresh
    val refreshState: Observable<NetworkState>? = null,
    // the network request state to show progress or error
    val loadMoreState: Observable<NetworkState>? = null,
    // refresh the whole data set and fetch it from scatch
    val refresh: () -> Unit = {}
)

Add retry suspend function

// retry with exponential backoff
// inspired by https://stackoverflow.com/questions/46872242/how-to-exponential-backoff-retry-on-kotlin-coroutines
private suspend fun <T> retry(
    times: Int,
    initialDelayMillis: Long = 100,
    maxDelayMillis: Long = 1000,
    factor: Double = 2.0,
    block: suspend () -> T
): T {
    var currentDelay = initialDelayMillis
    repeat(times) {
        try {
            return block()
        } catch (exception: Exception) {
            Timber.e(exception)
        }
        delay(currentDelay)
        currentDelay = (currentDelay * factor).toLong().coerceAtMost(maxDelayMillis)
    }
    return block() // last attempt
}

Extensions

Questions regarding the hints of newer version

Hello,

Thanks for this great repository!

I was just wondering if we can see the hints when there is a newer version of the library comes out? or we can only update it manually?

Thanks!

The hints example:

Make base project can be imported and updated from other projects

Datetime formatter extension

Goals

String -> Date
String -> Calendar
Date -> String (providing common format)
Calendar -> String (providing common format)

Upgrade to RxJava3

Goals

Upgrade RxJava 2 to 3. We will not upgrade until we migrate from Paging 2 to 3.

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