CardView

app/src/main/AndroidManifest.xml

@@ -38,6 +38,7 @@
         <activity
                 android:name=".ui.DetailActivity"
                 android:parentActivityName=".ui.MainActivity"
+                android:windowSoftInputMode="adjustResize"
                 android:exported="true">
             <meta-data
                     android:name="android.support.PARENT_ACTIVITY"

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

@@ -13,6 +13,7 @@ import android.view.ActionMode
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.widget.Button
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.viewModels
@@ -23,6 +24,7 @@ import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.textfield.TextInputEditText
 import io.heckel.ntfy.BuildConfig
 import io.heckel.ntfy.R
 import io.heckel.ntfy.app.Application
@@ -184,6 +186,34 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
             howToExample.text = Html.fromHtml(howToText)
         }
 
+        // Message bar
+        val messageText: TextInputEditText = findViewById(R.id.detail_message_box)
+        val messageSendButton: Button = findViewById(R.id.detail_message_send_button)
+
+        messageSendButton.setOnClickListener {
+            lifecycleScope.launch(Dispatchers.IO) {
+                val message = messageText.text.toString()
+                if (message.isNotEmpty()) {
+                    try {
+                        api.publish(subscriptionBaseUrl, subscriptionTopic, message = message)
+                        messageText.text?.clear()
+                    } catch (e: Exception) {
+                        runOnUiThread {
+                            Toast
+                                .makeText(this@DetailActivity, getString(R.string.detail_test_message_error, e.message), Toast.LENGTH_LONG)
+                                .show()
+                        }
+                    }
+                } else {
+                    runOnUiThread {
+                        Toast
+                            .makeText(this@DetailActivity, getString(R.string.detail_message_bar_empty_message), Toast.LENGTH_LONG)
+                            .show()
+                    }
+                }
+            }
+        }
+
         // Swipe to refresh
         mainListContainer = findViewById(R.id.detail_notification_list_container)
         mainListContainer.setOnRefreshListener { refresh() }

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

@@ -88,17 +88,9 @@ class ShareActivity : AppCompatActivity() {
         errorImage = findViewById(R.id.share_error_image)
         errorImage.visibility = View.GONE
 
-        val textWatcher = object : TextWatcher {
-            override fun afterTextChanged(s: Editable?) {
+        val textWatcher = AfterChangedTextWatcher {
             validateInput()
         }
-            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
-                // Nothing
-            }
-            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
-                // Nothing
-            }
-        }
         contentText.addTextChangedListener(textWatcher)
         topicText.addTextChangedListener(textWatcher)
         baseUrlText.addTextChangedListener(textWatcher)

app/src/main/res/drawable/ic_edittext_background.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/white"/>
+    <corners android:radius="5dp"/>
+</shape>

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

@@ -11,8 +11,7 @@
             style="@style/CardViewBackground"
             android:id="@+id/detail_notification_list_container"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="gone">
+            android:visibility="gone" app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintEnd_toEndOf="parent" android:layout_height="0dp" app:layout_constraintBottom_toTopOf="@id/detail_message_bar" app:layout_constraintVertical_bias="0.0">
         <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/detail_notification_list"
                 android:layout_width="match_parent"
@@ -26,13 +25,18 @@
                 app:layoutManager="LinearLayoutManager"/>
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
+    <androidx.constraintlayout.widget.ConstraintLayout
+            android:orientation="vertical"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:id="@+id/detail_no_notifications"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" android:visibility="visible" app:layout_constraintTop_toTopOf="parent" app:layout_constraintBottom_toTopOf="@id/detail_message_bar" app:layout_constraintVertical_bias="1.0">
         <LinearLayout
                 android:orientation="vertical"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-            android:id="@+id/detail_no_notifications" app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toEndOf="parent">
+                android:id="@+id/detail_no_notifications_inner" app:layout_constraintTop_toTopOf="parent" app:layout_constraintBottom_toBottomOf="parent">
             <ImageView
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content" app:srcCompat="@drawable/ic_sms_gray_48dp"
@@ -72,5 +76,69 @@
                     android:linksClickable="true"
                     android:autoLink="web"/>
         </LinearLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
+    <androidx.constraintlayout.widget.ConstraintLayout
+            style="@style/MessageBarBackground"
+            android:layout_height="64dp"
+            android:layout_width="match_parent"
+            android:id="@+id/detail_message_bar"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintVertical_weight="1"
+            app:layout_constraintTop_toBottomOf="@+id/detail_no_notifications"
+            app:layout_constraintVertical_bias="1.0"
+            android:elevation="10dp"
+    >
+        <androidx.cardview.widget.CardView
+                style="@style/CardView"
+                android:id="@+id/detail_message_box_layout"
+                android:layout_width="0dp"
+                android:layout_height="52dp"
+                android:layout_marginStart="7dp"
+                android:layout_marginEnd="5dp"
+                android:padding="7dp"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toStartOf="@id/detail_message_send_button"
+                android:outlineAmbientShadowColor="@color/gray_600"
+                android:outlineSpotShadowColor="@color/gray_600"
+                app:cardCornerRadius="5dp"
+                app:cardElevation="1dp"
+                app:cardMaxElevation="1dp"
+                app:cardPreventCornerOverlap="true"
+                app:cardUseCompatPadding="true">
+            <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/detail_message_box"
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent"
+                    android:inputType="text"
+                    style="@style/MessageInputText"
+                    android:padding="8dp"
+                    android:background="@drawable/ic_edittext_background"
+                    android:hint="@string/detail_message_bar_hint"
+            />
+
+        </androidx.cardview.widget.CardView>
+        <com.google.android.material.button.MaterialButton
+                style="@style/Widget.MaterialComponents.Button.Icon"
+                android:id="@+id/detail_message_send_button"
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                app:cornerRadius="30dp"
+                android:insetTop="0dp"
+                android:insetBottom="0dp"
+                android:insetLeft="0dp"
+                android:insetRight="0dp"
+                app:icon="@drawable/ic_send_white_24dp"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintStart_toEndOf="@id/detail_message_box_layout"
+                app:layout_constraintBottom_toBottomOf="parent"
+                android:layout_marginEnd="7dp"
+                android:layout_marginBottom="2dp" android:layout_marginTop="3dp"/>
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -4,6 +4,7 @@
     <color name="black_900">#121212</color> <!-- Main dark mode surface color, as per style guide -->
     <color name="black_800b">#1b2023</color> <!-- Action bar & item selection (dark mode); this has a touch of blue! -->
     <color name="black_700b">#282F33</color> <!-- Card selection (dark mode); this has a touch of blue! -->
+    <color name="gray_600">#aaaaaa</color> <!-- Message box drop shadow (light mode) -->
     <color name="gray_500">#dddddd</color> <!-- Card selection (light mode) -->
     <color name="gray_400">#eeeeee</color> <!-- Item selection (light mode) -->
     <color name="white">#ffffffff</color>

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

@@ -166,6 +166,10 @@
     <string name="detail_item_download_info_download_failed_expired">download failed, link expired</string>
     <string name="detail_item_download_info_download_failed_expires_x">download failed, link expires %1$s</string>
 
+    <!-- Detail activity: Message bar -->
+    <string name="detail_message_bar_hint">Type a message here</string>
+    <string name="detail_message_bar_empty_message">Type a message first</string>
+
     <!-- Detail activity: Action bar -->
     <string name="detail_menu_notifications_enabled">Notifications on</string>
     <string name="detail_menu_notifications_disabled_forever">Notifications muted</string>

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

@@ -30,4 +30,16 @@
         <item name="cornerFamily">rounded</item>
         <item name="cornerSize">5dp</item>
     </style>
+
+    <style name="MessageBarBackground">
+        <item name="android:background">@color/gray_400</item>
+    </style>
+
+    <style name="MessageInputLayout" parent="Widget.MaterialComponents.TextInputLayout.OutlinedBox.Dense">
+        <item name="hintTextColor">@color/black_700b</item>
+    </style>
+
+    <style name="MessageInputText" parent="Widget.AppCompat.EditText">
+        <item name="android:textSize">16sp</item>
+    </style>
 </resources>