Remove detail view, replace with popup

app/src/main/AndroidManifest.xml

@@ -13,12 +13,11 @@
         android:theme="@style/AppTheme">
         <activity android:name="io.heckel.ntfy.ui.MainActivity"
                   android:icon="@drawable/ntfy"
-                  android:label="@string/main_action_bar_label">
+                  android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name="io.heckel.ntfy.ui.DetailActivity" />
     </application>
 </manifest>

app/src/main/java/io/heckel/ntfy/data/ConnectionManager.kt

@@ -61,7 +61,7 @@ class ConnectionManager(private val repository: Repository) {
         } finally {
             conn.disconnect()
         }
-        updateStatus(subscriptionId, Status.CONNECTING)
+        updateStatus(subscriptionId, Status.RECONNECTING)
         println("Connection terminated: $topicUrl")
     }
 

app/src/main/java/io/heckel/ntfy/data/Models.kt

@@ -1,7 +1,7 @@
 package io.heckel.ntfy.data
 
 enum class Status {
-    CONNECTED, CONNECTING
+    CONNECTED, CONNECTING, RECONNECTING
 }
 
 data class Subscription(

app/src/main/java/io/heckel/ntfy/ui/AddFragment.kt

@@ -11,9 +11,9 @@ import androidx.fragment.app.DialogFragment
 import com.google.android.material.textfield.TextInputEditText
 import io.heckel.ntfy.R
 
-class AddFragment(private val listener: Listener) : DialogFragment() {
-    interface Listener {
-        fun onAddClicked(topic: String, baseUrl: String)
+class AddFragment(private val listener: AddSubscriptionListener) : DialogFragment() {
+    interface AddSubscriptionListener {
+        fun onAddSubscription(topic: String, baseUrl: String)
     }
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
@@ -34,7 +34,7 @@ class AddFragment(private val listener: Listener) : DialogFragment() {
                     } else {
                         getString(R.string.add_dialog_base_url_default)
                     }
-                    listener.onAddClicked(topic, baseUrl)
+                    listener.onAddSubscription(topic, baseUrl)
                 }
                 .setNegativeButton(R.string.add_dialog_button_cancel) { _, _ ->
                     dialog?.cancel()

app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt

@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2020 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.heckel.ntfy.ui
-
-import android.os.Bundle
-import android.widget.Button
-import android.widget.TextView
-import androidx.activity.viewModels
-import androidx.appcompat.app.AppCompatActivity
-import io.heckel.ntfy.R
-import io.heckel.ntfy.data.topicShortUrl
-
-class DetailActivity : AppCompatActivity() {
-    private val subscriptionsViewModel by viewModels<SubscriptionsViewModel> {
-        SubscriptionsViewModelFactory()
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.detail_activity)
-
-        var subscriptionId: Long? = null
-
-        /* Connect variables to UI elements. */
-        val topicText: TextView = findViewById(R.id.topic_detail_url)
-        val removeButton: Button = findViewById(R.id.remove_button)
-
-        val bundle: Bundle? = intent.extras
-        if (bundle != null) {
-            subscriptionId = bundle.getLong(SUBSCRIPTION_ID)
-        }
-
-        // TODO This should probably fail hard if topicId is null
-
-        /* If currentTopicId is not null, get corresponding topic and set name, image and
-        description */
-        subscriptionId?.let {
-            val subscription = subscriptionsViewModel.get(it)
-            topicText.text = subscription?.let { s -> topicShortUrl(s) }
-
-            removeButton.setOnClickListener {
-                if (subscription != null) {
-                    subscriptionsViewModel.remove(subscription)
-                }
-                finish()
-            }
-        }
-    }
-}

app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt

@@ -22,10 +22,11 @@ import io.heckel.ntfy.data.Subscription
 import io.heckel.ntfy.data.topicShortUrl
 import kotlin.random.Random
 
+
 const val SUBSCRIPTION_ID = "topic_id"
 
-class MainActivity : AppCompatActivity(), AddFragment.Listener {
-    private val subscriptionViewModel by viewModels<SubscriptionsViewModel> {
+class MainActivity : AppCompatActivity(), AddFragment.AddSubscriptionListener {
+    private val subscriptionsViewModel by viewModels<SubscriptionsViewModel> {
         SubscriptionsViewModelFactory()
     }
 
@@ -33,30 +34,42 @@ class MainActivity : AppCompatActivity(), AddFragment.Listener {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.main_activity)
 
+        // Action bar
+        title = getString(R.string.main_action_bar_title)
+        supportActionBar?.setIcon(R.drawable.ntfy) // FIXME this doesn't work
+
         // Floating action button ("+")
         val fab: View = findViewById(R.id.fab)
         fab.setOnClickListener {
-            fabOnClick()
+            onAddButtonClick()
         }
 
         // Update main list based on topicsViewModel (& its datasource/livedata)
-        val adapter = TopicsAdapter { topic -> subscriptionOnClick(topic) }
-        val recyclerView: RecyclerView = findViewById(R.id.recycler_view)
-        recyclerView.adapter = adapter
+        val noSubscriptionsText: View = findViewById(R.id.main_no_subscriptions_text)
+        val adapter = SubscriptionsAdapter(this) { subscription -> onUnsubscribe(subscription) }
+        val mainList: RecyclerView = findViewById(R.id.main_subscriptions_list)
+        mainList.adapter = adapter
 
-        subscriptionViewModel.list().observe(this) {
+        subscriptionsViewModel.list().observe(this) {
             it?.let {
                 adapter.submitList(it as MutableList<Subscription>)
+                if (it.isEmpty()) {
+                    mainList.visibility = View.GONE
+                    noSubscriptionsText.visibility = View.VISIBLE
+                } else {
+                    mainList.visibility = View.VISIBLE
+                    noSubscriptionsText.visibility = View.GONE
+                }
             }
         }
 
         // Set up notification channel
         createNotificationChannel()
-        subscriptionViewModel.setListener { n -> displayNotification(n) }
+        subscriptionsViewModel.setListener { n -> displayNotification(n) }
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
-        menuInflater.inflate(R.menu.menu, menu)
+        menuInflater.inflate(R.menu.main_action_bar_menu, menu)
         return true
     }
 
@@ -74,22 +87,18 @@ class MainActivity : AppCompatActivity(), AddFragment.Listener {
         }
     }
 
-    /* Opens detail view when list item is clicked. */
-    private fun subscriptionOnClick(subscription: Subscription) {
-        val intent = Intent(this, DetailActivity()::class.java)
-        intent.putExtra(SUBSCRIPTION_ID, subscription.id)
-        startActivity(intent)
+    private fun onUnsubscribe(subscription: Subscription) {
+        subscriptionsViewModel.remove(subscription)
     }
 
-    /* Adds topic to topicList when FAB is clicked. */
-    private fun fabOnClick() {
+    private fun onAddButtonClick() {
         val newFragment = AddFragment(this)
         newFragment.show(supportFragmentManager, "AddFragment")
     }
 
-    override fun onAddClicked(topic: String, baseUrl: String) {
+    override fun onAddSubscription(topic: String, baseUrl: String) {
         val subscription = Subscription(Random.nextLong(), topic, baseUrl, Status.CONNECTING, 0)
-        subscriptionViewModel.add(subscription)
+        subscriptionsViewModel.add(subscription)
     }
 
     private fun displayNotification(n: Notification) {

app/src/main/java/io/heckel/ntfy/ui/SubscriptionsAdapter.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.PopupMenu
 import android.widget.TextView
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.ListAdapter
@@ -11,54 +12,65 @@ import androidx.recyclerview.widget.RecyclerView
 import io.heckel.ntfy.R
 import io.heckel.ntfy.data.Status
 import io.heckel.ntfy.data.Subscription
-import io.heckel.ntfy.data.topicUrl
+import io.heckel.ntfy.data.topicShortUrl
 
-class TopicsAdapter(private val onClick: (Subscription) -> Unit) :
-    ListAdapter<Subscription, TopicsAdapter.TopicViewHolder>(TopicDiffCallback) {
+class SubscriptionsAdapter(private val context: Context, private val onClick: (Subscription) -> Unit) :
+    ListAdapter<Subscription, SubscriptionsAdapter.SubscriptionViewHolder>(TopicDiffCallback) {
 
     /* ViewHolder for Topic, takes in the inflated view and the onClick behavior. */
-    class TopicViewHolder(itemView: View, val onClick: (Subscription) -> Unit) :
+    class SubscriptionViewHolder(itemView: View, val onUnsubscribe: (Subscription) -> Unit) :
         RecyclerView.ViewHolder(itemView) {
-        private var topic: Subscription? = null
+        private var subscription: Subscription? = null
         private val context: Context = itemView.context
         private val nameView: TextView = itemView.findViewById(R.id.topic_text)
         private val statusView: TextView = itemView.findViewById(R.id.topic_status)
 
         init {
-            itemView.setOnClickListener {
-                topic?.let {
-                    onClick(it)
-                }
+            val popup = PopupMenu(context, itemView)
+            popup.inflate(R.menu.main_item_popup_menu)
+            popup.setOnMenuItemClickListener { item ->
+                when (item.itemId) {
+                     R.id.main_item_popup_unsubscribe -> {
+                         subscription?.let { s -> onUnsubscribe(s) }
+                         true
+                     }
+                     else -> false
+                 }
+            }
+            itemView.setOnLongClickListener {
+                subscription?.let { popup.show() }
+                true
             }
         }
 
         fun bind(subscription: Subscription) {
-            this.topic = subscription
-            val statusText = when (subscription.status) {
-                Status.CONNECTING -> context.getString(R.string.status_connecting)
-                else -> context.getString(R.string.status_connected)
-            }
-            val statusMessage = if (subscription.messages == 1) {
-                context.getString(R.string.status_text_one, statusText, subscription.messages)
+            this.subscription = subscription
+            val notificationsCountMessage = if (subscription.messages == 1) {
+                context.getString(R.string.main_item_status_text_one, subscription.messages)
             } else {
-                context.getString(R.string.status_text_not_one, statusText, subscription.messages)
+                context.getString(R.string.main_item_status_text_not_one, subscription.messages)
             }
-            nameView.text = topicUrl(subscription)
-            statusView.text = statusMessage
+            val statusText = when (subscription.status) {
+                Status.CONNECTING -> notificationsCountMessage + ", " + context.getString(R.string.main_item_status_connecting)
+                Status.RECONNECTING -> notificationsCountMessage + ", " + context.getString(R.string.main_item_status_reconnecting)
+                else -> notificationsCountMessage
+            }
+            nameView.text = topicShortUrl(subscription)
+            statusView.text = statusText
         }
     }
 
     /* Creates and inflates view and return TopicViewHolder. */
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TopicViewHolder {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SubscriptionViewHolder {
         val view = LayoutInflater.from(parent.context)
             .inflate(R.layout.main_fragment_item, parent, false)
-        return TopicViewHolder(view, onClick)
+        return SubscriptionViewHolder(view, onClick)
     }
 
     /* Gets current topic and uses it to bind view. */
-    override fun onBindViewHolder(holder: TopicViewHolder, position: Int) {
-        val topic = getItem(position)
-        holder.bind(topic)
+    override fun onBindViewHolder(holder: SubscriptionViewHolder, position: Int) {
+        val subscription = getItem(position)
+        holder.bind(subscription)
     }
 }
 

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

@@ -19,7 +19,8 @@
     <com.google.android.material.textfield.TextInputEditText
             android:id="@+id/add_dialog_topic_text"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" android:hint="@string/add_dialog_topic_name_hint"/>
+            android:layout_height="wrap_content" android:hint="@string/add_dialog_topic_name_hint"
+            android:maxLines="1" android:inputType="text"/>
     <CheckBox
             android:text="@string/add_dialog_use_another_server"
             android:layout_width="match_parent"
@@ -28,5 +29,5 @@
             android:id="@+id/add_dialog_base_url_text"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" android:visibility="gone"
-            android:hint="@string/add_dialog_base_url_hint"/>
+            android:hint="@string/add_dialog_base_url_hint" android:inputType="textUri" android:maxLines="1"/>
 </LinearLayout>

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

@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2020 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              android:layout_width="match_parent"
-              android:layout_height="match_parent"
-              android:orientation="vertical">
-
-    <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:paddingTop="24dp"
-            android:paddingBottom="24dp"
-            android:text="Delete topic"
-            android:textAlignment="center"
-            android:textAppearance="@style/TextAppearance.AppCompat.Large"/>
-
-    <TextView
-            android:id="@+id/topic_detail_url"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:padding="16dp"
-            android:text="https://ntfy.sh/..."/>
-
-    <Button
-        android:id="@+id/remove_button"
-        style="?attr/materialButtonOutlinedStyle"
-        android:layout_width="240dp"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:text="@string/remove_topic" />
-</LinearLayout>

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

@@ -1,35 +1,36 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2020 The Android Open Source Project
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-          http://www.apache.org/licenses/LICENSE-2.0
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+                                                   xmlns:app="http://schemas.android.com/apk/res-auto"
+                                                   android:layout_width="match_parent"
+                                                   android:layout_height="match_parent">
 
     <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recycler_view"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layoutManager="LinearLayoutManager"/>
+            android:id="@+id/main_subscriptions_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?android:attr/selectableItemBackground"
+            app:layoutManager="LinearLayoutManager" android:visibility="gone"/>
+
+    <TextView
+            android:id="@+id/main_no_subscriptions_text"
+            android:text="@string/main_no_subscriptions_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" android:textAppearance="@style/TextAppearance.AppCompat.Large"
+            android:padding="50dp" app:layout_constraintBottom_toBottomOf="parent" android:gravity="center_horizontal"
+            android:textStyle="italic"/>
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fab"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_margin="16dp"
-        android:contentDescription="@string/fab_content_description"
+        android:contentDescription="@string/main_add_button_description"
         android:src="@drawable/ic_add_black_24dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"/>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -2,7 +2,8 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
               android:layout_width="match_parent"
               android:layout_height="80dp"
-              android:orientation="vertical">
+              android:background="?android:attr/selectableItemBackground"
+              android:orientation="vertical" android:clickable="true" android:focusable="true">
     <TextView
             android:text="ntfy.sh/example"
             android:layout_width="match_parent"
@@ -13,6 +14,6 @@
             android:text="Subscribed, 0 notifications"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" android:id="@+id/topic_status"
-            android:textAppearance="@style/TextAppearance.AppCompat.Small" android:layout_marginLeft="16dp"/>
+            android:textAppearance="@style/TextAppearance.AppCompat.Small" android:layout_marginStart="16dp"/>
 </LinearLayout>
 

app/src/main/res/menu/main_item_popup_menu.xml

@@ -0,0 +1,4 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+    <item android:id="@+id/main_item_popup_unsubscribe"
+          android:title="@string/main_item_popup_unsubscribe"/>
+</menu>

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

@@ -1,4 +1,5 @@
 <resources>
+    <!-- Main app -->
     <string name="app_name">Ntfy</string>
 
     <!-- Notifications -->
@@ -6,21 +7,20 @@
     <string name="notification_channel_id">ntfy</string>
 
     <!-- Main activity: Action bar -->
-    <string name="main_action_bar_label">Subscribed topics</string>
+    <string name="main_action_bar_title">Subscribed topics</string>
     <string name="main_menu_source_title">Show source &amp; license</string>
     <string name="main_menu_source_url">https://heckel.io/ntfy-android</string>
     <string name="main_menu_website_title">Visit ntfy.sh</string>
     <string name="main_menu_website_url">https://ntfy.sh</string>
 
     <!-- Main activity: List and such -->
-    <string name="status_connected">Connected</string>
-    <string name="status_connecting">Connecting</string>
-    <string name="status_text_one">%1$s, %2$d notification</string>
-    <string name="status_text_not_one">%1$s, %2$d notifications</string>
-    <string name="fab_content_description">fab</string>
-
-    <!-- Detail activity -->
-    <string name="remove_topic">Unsubscribe</string>
+    <string name="main_item_status_connecting">connecting …</string>
+    <string name="main_item_status_reconnecting">reconnecting …</string>
+    <string name="main_item_status_text_one">%1$d notification received</string>
+    <string name="main_item_status_text_not_one">%1$d notifications received</string>
+    <string name="main_item_popup_unsubscribe">Unsubscribe</string>
+    <string name="main_add_button_description">Add subscription</string>
+    <string name="main_no_subscriptions_text">It looks like you don\'t have any subscriptions yet.</string>
 
     <!-- Add dialog -->
     <string name="add_dialog_title">Subscribe to topic</string>