Takao Chiba chibatching
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| import android.arch.paging.AsyncPagedListDiffer; | |
| import android.arch.paging.PagedList; | |
| import android.support.annotation.NonNull; | |
| import android.support.v7.recyclerview.extensions.AsyncDifferConfig; | |
| import android.support.v7.util.DiffUtil; | |
| import android.support.v7.util.ListUpdateCallback; | |
| import com.xwray.groupie.Group; | |
| import com.xwray.groupie.GroupDataObserver; | |
| import com.xwray.groupie.Item; |
chibatching
/ SampleViewModel.kt
Last active
May 23, 2018 10:21
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| class SampleViewModel : ViewModel() { | |
| val sampleData = UiAsyncLoadLiveData<String> { | |
| value = try { | |
| async(coroutineContext + CommonPool) { | |
| "very long time process!" | |
| }.await() | |
| } catch (e: CancellationException) { | |
| null | |
| } | |
| } |
chibatching
/ FlowableLiveData.kt
Last active
April 19, 2019 05:50
LiveData as Flow of Kotlin Coroutines
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| fun <T> LiveData<T>.asFlow() = flowViaChannel<T?> { | |
| it.send(value) | |
| val observer = Observer<T> { t -> it.offer(t) } | |
| observeForever(observer) | |
| it.invokeOnClose { | |
| removeObserver(observer) | |
| } | |
| } | |
| val text = MutableLiveData<String>() |
chibatching
/ FlowThrottleDebounce.kt
Last active
November 8, 2024 00:44
Throttle and Debounce on Flow Kotlin Coroutines
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| fun <T> Flow<T>.throttle(waitMillis: Int) = flow { | |
| coroutineScope { | |
| val context = coroutineContext | |
| var nextMillis = 0L | |
| var delayPost: Deferred<Unit>? = null | |
| collect { | |
| val current = SystemClock.uptimeMillis() | |
| if (nextMillis < current) { | |
| nextMillis = current + waitMillis |
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| import androidx.fragment.app.viewModels | |
| import dagger.android.support.DaggerFragment | |
| class SomeFragment : DaggerFragment() { | |
| @Inject | |
| lateinit var viewModelFactory: ViewModelFactory<SomeViewModel> | |
| private val viewModel: SomeViewModel by viewModels { viewModelFactory } |
chibatching
/ SaveAllValueToSP.kt
Last active
January 21, 2020 03:31
Save all values include default values declared in KotprefModel
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| SomePref::class.declaredMemberProperties | |
| .forEach { property -> | |
| property.isAccessible = true | |
| (property.getDelegate(SomePref) as? AbstractPref<Any>)?.let { | |
| it.setToPreference(property, property.get(SomePref)!!, SomePref.preferences) | |
| println("save preference ${property.name} -> ${property.get(SomePref)}") | |
| } | |
| (property.getDelegate(SomePref) as? AbstractStringSetPref)?.let { | |
| getSharedPreferences(SomePref.kotprefName, Context.MODE_PRIVATE) | |
| .edit() |
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