= Failure(message)
15 | }
16 | }
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/app/src/main/kotlin/jp/wasabeef/util/SingleLiveEvent.kt:
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1 | package jp.wasabeef.util
2 |
3 | import android.arch.lifecycle.LifecycleOwner
4 | import android.arch.lifecycle.MutableLiveData
5 | import android.arch.lifecycle.Observer
6 | import android.support.annotation.MainThread
7 | import android.support.annotation.Nullable
8 | import timber.log.Timber
9 | import java.util.concurrent.atomic.AtomicBoolean
10 |
11 | /**
12 | * A lifecycle-aware observable that sends only new updates after subscription, used for events like
13 | * navigation and Snackbar messages.
14 | *
15 | * This avoids a common problem with events: on configuration change (like rotation) an update
16 | * can be emitted if the observer is active. This LiveData only calls the observable if there's an
17 | * explicit call to setValue() or call().
18 | *
19 | * Note that only one observer is going to be notified of changes.
20 | */
21 | class SingleLiveEvent : MutableLiveData() {
22 |
23 | private val mPending = AtomicBoolean(false)
24 |
25 | @MainThread
26 | override fun observe(owner: LifecycleOwner, observer: Observer) {
27 |
28 | if (hasActiveObservers()) {
29 | Timber.w("Multiple observers registered but only one will be notified of changes.")
30 | }
31 |
32 | // Observe the internal MutableLiveData
33 | super.observe(owner, Observer { t ->
34 | if (mPending.compareAndSet(true, false)) {
35 | observer.onChanged(t)
36 | }
37 | })
38 | }
39 |
40 | @MainThread
41 | override fun setValue(@Nullable t: T?) {
42 | mPending.set(true)
43 | super.setValue(t)
44 | }
45 |
46 | /**
47 | * Used for cases where T is Void, to make calls cleaner.
48 | */
49 | @MainThread
50 | fun call() {
51 | value = null
52 | }
53 | }
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/app/src/main/kotlin/jp/wasabeef/util/ext/ActivityExt.kt:
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1 | package jp.wasabeef.util.ext
2 |
3 | import android.support.annotation.IdRes
4 | import android.support.v4.app.Fragment
5 | import android.support.v4.app.FragmentActivity
6 |
7 | /**
8 | * Created by Wasabeef on 2017/10/20.
9 | */
10 | @Suppress("UNCHECKED_CAST")
11 | fun FragmentActivity.findFragmentById(@IdRes id: Int): T = supportFragmentManager.findFragmentById(id) as T
12 |
13 | inline fun FragmentActivity.setFragment(containerViewId: Int, f: () -> Fragment): Fragment? {
14 | val manager = supportFragmentManager
15 | val fragment = manager?.findFragmentById(containerViewId)
16 | fragment?.let { return it }
17 | return f().apply { manager?.beginTransaction()?.add(containerViewId, this)?.commit() }
18 | }
19 |
20 | inline fun FragmentActivity.replaceFragment(containerViewId: Int, f: () -> Fragment): Fragment? {
21 | return f().apply { supportFragmentManager?.beginTransaction()?.replace(containerViewId, this)?.commit() }
22 | }
23 |
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/app/src/main/kotlin/jp/wasabeef/util/ext/FlowableExt.kt:
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1 | package jp.wasabeef.util.ext
2 |
3 | import android.arch.lifecycle.LiveData
4 | import android.arch.lifecycle.LiveDataReactiveStreams
5 | import io.reactivex.BackpressureStrategy
6 | import io.reactivex.Observable
7 | import org.reactivestreams.Publisher
8 |
9 | /**
10 | * Created by Wasabeef on 2018/03/05.
11 | */
12 | fun Publisher.toLiveData() = LiveDataReactiveStreams.fromPublisher(this) as LiveData
13 |
14 | fun Observable.toLiveData(strategy: BackpressureStrategy = BackpressureStrategy.LATEST) = toFlowable(strategy).toLiveData()
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/app/src/main/kotlin/jp/wasabeef/util/ext/StreamObserverExt.kt:
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1 | package jp.wasabeef.util.ext
2 |
3 | import io.grpc.stub.StreamObserver
4 | import io.reactivex.Observable
5 |
6 | /**
7 | * Created by Wasabeef on 2018/03/08.
8 | */
9 | inline fun asObservable(crossinline body: (StreamObserver) -> Unit): Observable {
10 | return Observable.create { subscription ->
11 | val observer = object : StreamObserver {
12 | override fun onNext(value: T) {
13 | subscription.onNext(value)
14 | }
15 |
16 | override fun onError(error: Throwable) {
17 | subscription.onError(error)
18 | }
19 |
20 | override fun onCompleted() {
21 | subscription.onComplete()
22 | }
23 | }
24 | body(observer)
25 | }
26 | }
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/app/src/main/kotlin/jp/wasabeef/util/ext/ViewExt.kt:
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1 | package jp.wasabeef.util.ext
2 |
3 | import android.view.View
4 |
5 | /**
6 | * Viewの汎用的な拡張関数
7 | * Created by Wasabeef on 2017/10/02.
8 | */
9 | fun View.toVisible() {
10 | visibility = View.VISIBLE
11 | }
12 |
13 | fun View.toInvisible() {
14 | visibility = View.INVISIBLE
15 | }
16 |
17 | fun View.toGone() {
18 | visibility = View.GONE
19 | }
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/app/src/main/res/color/selector_bottom_nav_icon.xml:
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1 |
2 |
3 |
22 |