Merge pull request #272 from Merhaut/DarkTheme

Added dark theme option

app/src/main/java/com/geeksville/mesh/MainActivity.kt

@@ -7,10 +7,7 @@ import android.bluetooth.BluetoothAdapter
 import android.bluetooth.BluetoothDevice
 import android.bluetooth.BluetoothManager
 import android.companion.CompanionDeviceManager
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.content.IntentFilter
+import android.content.*
 import android.content.pm.PackageInfo
 import android.content.pm.PackageManager
 import android.hardware.usb.UsbDevice
@@ -28,7 +25,9 @@ import android.view.View
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.viewModels
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatDelegate
 import androidx.appcompat.widget.Toolbar
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
@@ -379,6 +378,9 @@ class MainActivity : AppCompatActivity(), Logging,
         val prefs = UIViewModel.getPreferences(this)
         model.ownerName.value = prefs.getString("owner", "")!!
 
+        /// Set theme
+        setUITheme(prefs)
+
         /// Set initial bluetooth state
         updateBluetoothEnabled()
 
@@ -1068,6 +1070,10 @@ class MainActivity : AppCompatActivity(), Logging,
                 startActivityForResult(intent, CREATE_CSV_FILE)
                 return true
             }
+            R.id.theme -> {
+                chooseThemeDialog()
+                return true
+            }
             else -> super.onOptionsItemSelected(item)
         }
     }
@@ -1114,5 +1120,80 @@ class MainActivity : AppCompatActivity(), Logging,
             }
         }
     }
+
+
+    /// Theme functions
+
+    private fun chooseThemeDialog() {
+
+        /// Prepare dialog and its items
+        val builder = AlertDialog.Builder(this)
+        builder.setTitle(getString(R.string.choose_theme_title))
+
+        val styles = arrayOf(
+            getString(R.string.theme_light),
+            getString(R.string.theme_dark),
+            getString(R.string.theme_system))
+
+        /// Load preferences and its value
+        val prefs = UIViewModel.getPreferences(this)
+        val editor: SharedPreferences.Editor = prefs.edit()
+        val checkedItem = prefs.getInt("theme", 2)
+
+        builder.setSingleChoiceItems(styles, checkedItem) { dialog, which ->
+
+            when (which) {
+                0 -> {
+                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)
+                    editor.putInt("theme", 0)
+                    editor.apply()
+
+                    delegate.applyDayNight()
+                    dialog.dismiss()
+                }
+                1 -> {
+                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)
+                    editor.putInt("theme", 1)
+                    editor.apply()
+
+                    delegate.applyDayNight()
+                    dialog.dismiss()
+                }
+                2 -> {
+                    AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)
+                    editor.putInt("theme", 2)
+                    editor.apply()
+
+                    delegate.applyDayNight()
+                    dialog.dismiss()
+                }
+
+            }
+        }
+
+        val dialog = builder.create()
+        dialog.show()
+    }
+
+    private fun setUITheme(prefs: SharedPreferences) {
+        /// Read theme settings from preferences and set it
+        /// If nothing is found set FOLLOW SYSTEM option
+
+        when (prefs.getInt("theme", 2)) {
+            0 -> {
+                AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)
+                delegate.applyDayNight()
+            }
+            1 -> {
+                AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)
+                delegate.applyDayNight()
+            }
+            2 -> {
+                AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)
+                delegate.applyDayNight()
+            }
+        }
+    }
+
 }
 

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

@@ -23,6 +23,7 @@
 
                 <androidx.appcompat.widget.Toolbar
                     android:id="@+id/toolbar"
+                    android:theme="@style/MyToolbar"
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:background="?attr/colorPrimary"

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

@@ -77,7 +77,9 @@
             android:alpha="0.4"
             app:layout_constraintEnd_toStartOf="@+id/dateReceived"
             app:layout_constraintTop_toTopOf="parent"
-            app:srcCompat="@drawable/cloud_download_outline_24" />
+            app:srcCompat="@drawable/cloud_download_outline_24"
+            android:contentDescription="TODO"
+            app:tint="@color/colorIconTint" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 </com.google.android.material.card.MaterialCardView>

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

@@ -3,8 +3,8 @@
     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" android:background="#FFFFFF"
-    >
+    android:layout_height="match_parent"
+    android:background="@color/colorAdvancedBackground">
 
     <com.google.android.material.textfield.TextInputLayout
         android:id="@+id/positionBroadcastPeriodView"

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

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#FFFFFF"
+    android:background="@color/colorDebugBackground"
     >
 
     <androidx.recyclerview.widget.RecyclerView

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

@@ -5,4 +5,5 @@
     android:padding="16dp"
     android:ellipsize="end"
     android:maxLines="1"
-    android:textAppearance="?attr/textAppearanceSubtitle1" />
+    android:textAppearance="?attr/textAppearanceSubtitle1"
+    />

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

@@ -132,7 +132,7 @@
             android:layout_marginStart="8dp"
             android:layout_marginEnd="8dp"
             android:layout_marginBottom="8dp"
-            android:background="@color/cardview_light_background"
+            android:background="@android:color/transparent"
             android:checked="true"
             android:text="@string/analytics_okay"
             app:layout_constraintBottom_toBottomOf="parent"

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

@@ -24,6 +24,10 @@
         android:id="@+id/save_messages_csv"
         app:showAsAction="withText"
         android:title="@string/save_messages" />
+    <item
+        android:id="@+id/theme"
+        android:title="@string/theme"
+        app:showAsAction="withText" />
     <item
         android:id="@+id/about"
         android:title="@string/about"

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

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3700B3</color>
+    <color name="colorPrimaryDark">#3700B3</color>
+    <color name="colorMsg">#212121</color>
+    <color name="colorMyMsg">#212121</color>
+    <color name="colorDebugBackground">#141414</color>
+    <color name="colorAdvancedBackground">#141414</color>
+    <color name="colorIconTint">#FFFFFF</color>
+    <color name="colorMenuItem">#FFFFFF</color>
+    <color name="colorToolbar">#000000</color>
+</resources>

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

@@ -4,4 +4,9 @@
     <color name="colorPrimaryDark">#3700B3</color>
     <color name="colorMsg">#F2F2F2</color>
     <color name="colorMyMsg">#EDEAF4</color>
+    <color name="colorDebugBackground">#FFFFFF</color>
+    <color name="colorAdvancedBackground">#FFFFFF</color>
+    <color name="colorIconTint">#000000</color>
+    <color name="colorMenuItem">#000000</color>
+    <color name="colorToolbar">#FFFFFF</color>
 </resources>

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

@@ -103,4 +103,9 @@
     <string name="reset_to_defaults">Reset to defaults</string>
     <string name="apply">Apply</string>
     <string name="no_app_found">No application found to send URLs</string>
+    <string name="theme">Theme</string>
+    <string name="theme_light">Light</string>
+    <string name="theme_dark">Dark</string>
+    <string name="theme_system">System default</string>
+    <string name="choose_theme_title">Choose theme</string>
 </resources>

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

@@ -1,14 +1,14 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
+    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">#FFFFFF</item>
     </style>
 
-    <style name="AppTheme.NoActionBar" parent="Theme.MaterialComponents.Light.NoActionBar">
+    <style name="AppTheme.NoActionBar" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <item name="windowNoTitle">true</item>
         <item name="android:itemTextAppearance">@style/menu_item_color</item>
     </style>
@@ -31,7 +31,7 @@
     <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
 
     <style name="menu_item_color">
-        <item name="android:textColor">@android:color/black</item>
+        <item name="android:textColor">@color/colorMenuItem</item>
     </style>
 
     <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
@@ -52,4 +52,11 @@
         <item name="cornerFamily">rounded</item>
         <item name="cornerSize">50%</item>
     </style>
+
+    // Toolbar style
+    <style name="MyToolbar" parent="ThemeOverlay.MaterialComponents.Toolbar.Primary">
+        <item name="tint">@color/colorToolbar</item>
+        <item name="colorOnPrimary">@color/colorToolbar</item>
+        <item name="android:textColor">@color/colorToolbar</item>
+    </style>
 </resources>