Upgrade api level to Android 10, implement new sharing api (#1537)

* upgrade api level to Android 10, resolve compile errors

* use androidx.preference.PreferenceManager instead of deprecated platform class

* add hyphenation to important TextViews

*  setBottomSheetCallback -> addBottomSheetCallback

* implement new sharing api

* improve TuskyTileService so it shows account picker when multiple accounts are present

* delete unused AccountChooserService

* fix test

* improve ShareShortcutHelper

* remove debug log statement

* improve image loading fallback behavior in ShareShortcutHelper

* improve behavior on foldable devices

app/src/main/java/com/keylesspalace/tusky/service/TuskyTileService.kt

@@ -0,0 +1,40 @@
+/* Copyright 2019 Tusky Contributors
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>. */
+
+package com.keylesspalace.tusky.service
+
+import android.annotation.TargetApi
+import android.content.Intent
+import android.service.quicksettings.TileService
+
+import com.keylesspalace.tusky.MainActivity
+
+/**
+ * Small Addition that adds in a QuickSettings tile
+ * opens the Compose activity or shows an account selector when multiple accounts are present
+ */
+
+@TargetApi(24)
+class TuskyTileService : TileService() {
+
+    override fun onClick() {
+        val intent = Intent(this, MainActivity::class.java).apply {
+            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            action = Intent.ACTION_SEND
+            type = "text/plain"
+        }
+        startActivityAndCollapse(intent)
+    }
+}