画面表示中はToastのかわりにPopupWindowを表示する

app/src/main/java/jp/juggler/subwaytooter/App1.kt

@@ -51,6 +51,7 @@ class App1 : Application() {
     override fun onCreate() {
         log.d("onCreate")
         super.onCreate()
+        initializeToastUtils(this)
         prepare(applicationContext, "App1.onCreate")
     }
 

app/src/main/java/jp/juggler/subwaytooter/column/ColumnActions.kt

@@ -452,14 +452,15 @@ fun Column.onTagFollowChanged(account: SavedAccount, newTag: TootTag) {
                 }
             }
             if (type == ColumnType.FOLLOWED_HASHTAGS) {
-                val tagFinder:(TimelineItem)->Boolean = {it is TootTag && it.name == newTag.name}
+                val tagFinder: (TimelineItem) -> Boolean =
+                    { it is TootTag && it.name == newTag.name }
                 when (newTag.following) {
                     true ->
                         if (tmpList.none(tagFinder)) {
                             tmpList.add(0, newTag)
                         }
                     else -> tmpList.indexOfFirst(tagFinder)
-                        .takeIf { it>=0 }?.let{ tmpList.removeAt(it)}
+                        .takeIf { it >= 0 }?.let { tmpList.removeAt(it) }
                 }
             }
             listData.clear()

app/src/main/java/jp/juggler/util/ToastUtils.kt

@@ -1,21 +1,177 @@
 package jp.juggler.util
 
+import android.app.Activity
+import android.app.Application
 import android.content.Context
+import android.os.Bundle
+import android.util.Log
+import android.view.Gravity
+import android.view.View
+import android.view.WindowManager
+import android.view.animation.AlphaAnimation
+import android.view.animation.Animation
+import android.widget.PopupWindow
 import android.widget.Toast
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import jp.juggler.subwaytooter.R
-import kotlinx.coroutines.CancellationException
+import jp.juggler.subwaytooter.databinding.PopupToastBinding
+import kotlinx.coroutines.*
 import me.drakeet.support.toast.ToastCompat
 import java.lang.ref.WeakReference
+import kotlin.coroutines.resume
 
 private val log = LogCategory("ToastUtils")
 private var refToast: WeakReference<Toast>? = null
+private var oldApplication: WeakReference<Application>? = null
+private var lastActivity: WeakReference<Activity>? = null
+private var lastPopup: WeakReference<PopupWindow>? = null
+
+private val activityCallback = object : Application.ActivityLifecycleCallbacks {
+
+    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {
+    }
+
+    override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+    }
+
+    override fun onActivityStarted(activity: Activity) {
+        lastActivity = WeakReference(activity)
+    }
+
+    override fun onActivityResumed(activity: Activity) {
+        lastActivity = WeakReference(activity)
+    }
+
+    override fun onActivityPaused(activity: Activity) {
+        if (lastActivity?.get() == activity) {
+            lastActivity = null
+        }
+    }
+
+    override fun onActivityStopped(activity: Activity) {
+        if (lastActivity?.get() == activity) {
+            lastActivity = null
+        }
+    }
+
+    override fun onActivityDestroyed(activity: Activity) {
+        if (lastActivity?.get() == activity) {
+            lastActivity = null
+        }
+    }
+}
+
+/**
+ * App1.onCreateから呼ばれる
+ */
+fun initializeToastUtils(app: Application) {
+    try {
+        oldApplication?.get()?.unregisterActivityLifecycleCallbacks(activityCallback)
+    } catch (ex: Throwable) {
+        Log.e("SubwayTooter", "unregisterActivityLifecycleCallbacks failed.", ex)
+    }
+    try {
+        app.registerActivityLifecycleCallbacks(activityCallback)
+    } catch (ex: Throwable) {
+        Log.e("SubwayTooter", "registerActivityLifecycleCallbacks failed.", ex)
+    }
+    oldApplication = WeakReference(app)
+}
+
+/**
+ * Animationを開始して終了を非同期待機する
+ */
+suspend fun Animation.startAndAwait(duration: Long, v: View) =
+    try {
+        withTimeout(duration + 333L) {
+            suspendCancellableCoroutine<Unit> { cont ->
+                v.clearAnimation()
+                this@startAndAwait.duration = duration
+                this@startAndAwait.fillAfter = true
+                setAnimationListener(object : Animation.AnimationListener {
+                    override fun onAnimationStart(animation: Animation?) {}
+                    override fun onAnimationRepeat(animation: Animation?) {}
+                    override fun onAnimationEnd(animation: Animation?) {
+                        cont.resume(Unit)
+                    }
+                })
+                v.startAnimation(this@startAndAwait)
+            }
+        }
+    } catch (ex: TimeoutCancellationException) {
+        log.w(ex, "startAndAwait timeout.")
+    }
+
+private fun showPopup(activity: Activity, bLong: Boolean, message: String) {
+    val rootView = activity.findViewById<View?>(android.R.id.content)?.rootView
+        ?: error("missing rootView")
+
+    val views = PopupToastBinding.inflate(activity.layoutInflater)
+    views.tvMessage.text = message
+
+    val popupWindow = PopupWindow(
+        views.root,
+        WindowManager.LayoutParams.MATCH_PARENT,
+        WindowManager.LayoutParams.MATCH_PARENT,
+        false
+    )
+
+    // タップ時に他のViewでキャッチされないための設定
+    popupWindow.isFocusable = false
+    popupWindow.isTouchable = false
+    popupWindow.isOutsideTouchable = false
+
+    try {
+        lastPopup?.get()?.dismiss()
+    } catch (ex: Throwable) {
+        log.trace(ex, "dismiss failed.")
+    }
+    lastPopup = WeakReference(popupWindow)
+
+    popupWindow.showAtLocation(rootView, Gravity.CENTER, 0, 0)
+
+    launchMain {
+
+        // fade in
+        AlphaAnimation(0.1f, 1f)
+            .startAndAwait(333L, views.tvMessage)
+
+        // keep
+        val keepDuration = when {
+            bLong -> 4000L
+            else -> 2000L
+        }
+        delay(keepDuration)
+
+        // fade out
+        AlphaAnimation(1f, 0f)
+            .startAndAwait(333L, views.tvMessage)
+
+        // dismiss
+        try {
+            popupWindow.dismiss()
+        } catch (ex: Throwable) {
+            log.e(ex, "dismiss failed.")
+        }
+    }
+}
 
 internal fun showToastImpl(context: Context, bLong: Boolean, message: String): Boolean {
     runOnMainLooper {
 
+        // Android 12以降はトーストを全文表示しないので、何か画面が表示中ならポップアップウィンドウを使う
+        lastActivity?.get()?.let {
+            try {
+                showPopup(it, bLong, message)
+                return@runOnMainLooper
+            } catch (ex: Throwable) {
+                log.trace(ex, "showPopup failed.")
+            }
+        }
+        // 画面がない、または失敗したら普通のトーストにフォールバック
+
         // 前回のトーストの表示を終了する
         try {
             refToast?.get()?.cancel()

app/src/main/java/me/drakeet/support/toast/ToastCompat.kt

@@ -22,6 +22,7 @@ import android.view.WindowManager
 import android.view.WindowManager.BadTokenException
 import android.widget.Toast
 import androidx.annotation.StringRes
+import jp.juggler.util.LogCategory
 
 fun interface BadTokenListener {
 
@@ -58,6 +59,7 @@ internal class SafeToastContext(base: Context, private val toast: Toast) : Conte
     private inner class WindowManagerWrapper(private val base: WindowManager) : WindowManager {
 
         @Suppress("DEPRECATION")
+        @Deprecated("Use Context.getDisplay() instead.")
         override fun getDefaultDisplay(): Display? =
             base.defaultDisplay
 
@@ -87,10 +89,11 @@ internal class SafeToastContext(base: Context, private val toast: Toast) : Conte
 @Suppress("TooManyFunctions")
 class ToastCompat private constructor(
     context: Context,
-    private val base: Toast
+    private val base: Toast,
 ) : Toast(context) {
 
     companion object {
+        private val log = LogCategory("ToastCompat")
 
         @SuppressLint("DiscouragedPrivateApi")
         private fun setContextCompat(view: View?, contextCreator: () -> Context) {
@@ -99,9 +102,8 @@ class ToastCompat private constructor(
                     val field = View::class.java.getDeclaredField("mContext")
                     field.isAccessible = true
                     field[view] = contextCreator()
-                } catch (throwable: Throwable) {
-                    @Suppress("PrintStackTrace")
-                    throwable.printStackTrace()
+                } catch (ex: Throwable) {
+                    log.trace(ex)
                 }
             }
         }
@@ -129,8 +131,7 @@ class ToastCompat private constructor(
          * @param duration How long to display the message.  Either [.LENGTH_SHORT] or
          * [.LENGTH_LONG]
          */
-        @SuppressLint("ShowToast")
-        @Suppress("DEPRECATION")
+        @Suppress("ShowToast", "DEPRECATION")
         fun makeText(context: Context, text: CharSequence?, duration: Int): ToastCompat {
             // We cannot pass the SafeToastContext to Toast.makeText() because
             // the View will unwrap the base context and we are in vain.
@@ -148,12 +149,14 @@ class ToastCompat private constructor(
     }
 
     @Suppress("DEPRECATION")
+    @Deprecated(message = "Custom toast views are deprecated in API level 30.")
     override fun setView(view: View) {
         base.view = view
         setContextCompat(base.view) { SafeToastContext(view.context, base) }
     }
 
     @Suppress("DEPRECATION")
+    @Deprecated(message = "Custom toast views are deprecated in API level 30.")
     override fun getView(): View? = base.view
 
     override fun show() = base.show()

app/src/main/res/layout/popup_toast.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="20dp">
+
+    <TextView
+        android:id="@+id/tvMessage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal|bottom"
+        android:layout_marginBottom="80dp"
+        android:background="@drawable/bg_refresh_error"
+        android:drawablePadding="8dp"
+        android:includeFontPadding="false"
+        android:padding="16dp"
+        android:textColor="#FFF"
+        app:drawableStartCompat="@drawable/ic_app_popup"
+        tools:text="テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例テキスト例" />
+</FrameLayout>

app/src/main/res/values/colors.xml

@@ -34,7 +34,7 @@
 
     <color name="Light_colorReplyBackground">#cccccc</color>
 
-    <color name="Light_colorRefreshErrorBg">#8333</color>
+    <color name="Light_colorRefreshErrorBg">#D222</color>
 
 
     <color name="Light_colorPostFormBackground">#eee</color>
@@ -62,7 +62,7 @@
     <color name="Dark_colorColumnListItemText">#66FFFFFF</color>
     <color name="Dark_colorTimeSmall">#BBBBBB</color>
     <color name="Dark_colorContentText">#dddddd</color>
-    <color name="Dark_colorRefreshErrorBg">#8333</color>
+    <color name="Dark_colorRefreshErrorBg">#D222</color>
 
     <color name="Dark_colorColumnHeaderAcct">#e4e4e4</color>
     <color name="Dark_colorColumnHeaderPageNumber">#e4e4e4</color>