add a Settings button for customizing widget colors without recreating them

app/src/main/kotlin/com/simplemobiletools/clock/activities/SettingsActivity.kt

@@ -1,5 +1,6 @@
 package com.simplemobiletools.clock.activities
 
+import android.content.Intent
 import android.os.Bundle
 import com.simplemobiletools.clock.R
 import com.simplemobiletools.clock.extensions.config
@@ -7,6 +8,7 @@ import com.simplemobiletools.clock.extensions.updateWidgets
 import com.simplemobiletools.clock.helpers.DEFAULT_MAX_ALARM_REMINDER_SECS
 import com.simplemobiletools.clock.helpers.DEFAULT_MAX_TIMER_REMINDER_SECS
 import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.commons.helpers.IS_CUSTOMIZING_COLORS
 import com.simplemobiletools.commons.helpers.MINUTE_SECONDS
 import kotlinx.android.synthetic.main.activity_settings.*
 import java.util.*
@@ -33,6 +35,7 @@ class SettingsActivity : SimpleActivity() {
         setupVibrate()
         setupTimerMaxReminder()
         setupUseTextShadow()
+        setupCustomizeWidgetColors()
         updateTextColors(settings_holder)
         setupSectionColors()
     }
@@ -169,4 +172,13 @@ class SettingsActivity : SimpleActivity() {
     private fun updateTimerMaxReminderText() {
         settings_timer_max_reminder.text = formatSecondsToTimeString(config.timerMaxReminderSecs)
     }
+
+    private fun setupCustomizeWidgetColors() {
+        settings_customize_widget_colors_holder.setOnClickListener {
+            Intent(this, WidgetDateTimeConfigureActivity::class.java).apply {
+                putExtra(IS_CUSTOMIZING_COLORS, true)
+                startActivity(this)
+            }
+        }
+    }
 }

app/src/main/kotlin/com/simplemobiletools/clock/activities/WidgetDateTimeConfigureActivity.kt

@@ -14,6 +14,8 @@ import com.simplemobiletools.clock.helpers.MyWidgetDateTimeProvider
 import com.simplemobiletools.clock.helpers.getPassedSeconds
 import com.simplemobiletools.commons.dialogs.ColorPickerDialog
 import com.simplemobiletools.commons.extensions.adjustAlpha
+import com.simplemobiletools.commons.extensions.setFillWithStroke
+import com.simplemobiletools.commons.helpers.IS_CUSTOMIZING_COLORS
 import kotlinx.android.synthetic.main.widget_config_date_time.*
 import java.util.*
 
@@ -24,6 +26,7 @@ class WidgetDateTimeConfigureActivity : SimpleActivity() {
     private var mBgColor = 0
     private var mTextColorWithoutTransparency = 0
     private var mTextColor = 0
+    private var mIsCustomizingColors = false
 
     public override fun onCreate(savedInstanceState: Bundle?) {
         useDynamicTheme = false
@@ -32,12 +35,12 @@ class WidgetDateTimeConfigureActivity : SimpleActivity() {
         setContentView(R.layout.widget_config_date_time)
         initVariables()
 
-        val extras = intent.extras
+        mIsCustomizingColors = intent.extras?.getBoolean(IS_CUSTOMIZING_COLORS) ?: false
-        if (extras != null)
+        mWidgetId = intent.extras?.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID) ?: AppWidgetManager.INVALID_APPWIDGET_ID
-            mWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID)
 
-        if (mWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID)
+        if (mWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID && !mIsCustomizingColors) {
             finish()
+        }
 
         config_save.setOnClickListener { saveConfig() }
         config_bg_color.setOnClickListener { pickBackgroundColor() }
@@ -123,7 +126,7 @@ class WidgetDateTimeConfigureActivity : SimpleActivity() {
 
     private fun updateColors() {
         mTextColor = mTextColorWithoutTransparency
-        config_text_color.setBackgroundColor(mTextColor)
+        config_text_color.setFillWithStroke(mTextColor, Color.BLACK)
         config_save.setTextColor(mTextColor)
         config_time.setTextColor(mTextColor)
         config_date.setTextColor(mTextColor)
@@ -131,7 +134,7 @@ class WidgetDateTimeConfigureActivity : SimpleActivity() {
 
     private fun updateBgColor() {
         mBgColor = mBgColorWithoutTransparency.adjustAlpha(mBgAlpha)
-        config_bg_color.setBackgroundColor(mBgColor)
+        config_bg_color.setFillWithStroke(mBgColor, Color.BLACK)
         config_save.setBackgroundColor(mBgColor)
         config_date_time_wrapper.setBackgroundColor(mBgColor)
     }

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

@@ -432,5 +432,27 @@
                 android:paddingStart="@dimen/medium_margin"
                 android:text="@string/use_text_shadow"/>
         </RelativeLayout>
+
+        <RelativeLayout
+            android:id="@+id/settings_customize_widget_colors_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingBottom="@dimen/activity_margin"
+            android:paddingLeft="@dimen/normal_margin"
+            android:paddingRight="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/settings_customize_widget_colors_label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:paddingLeft="@dimen/medium_margin"
+                android:paddingStart="@dimen/medium_margin"
+                android:text="@string/customize_widget_colors"/>
+
+        </RelativeLayout>
     </LinearLayout>
 </ScrollView>

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

@@ -35,7 +35,7 @@
             tools:text="Mon, 1 January"/>
     </RelativeLayout>
 
-    <Button
+    <ImageView
         android:id="@+id/config_bg_color"
         android:layout_width="@dimen/widget_colorpicker_size"
         android:layout_height="@dimen/widget_colorpicker_size"
@@ -59,7 +59,7 @@
             android:paddingRight="@dimen/activity_margin"/>
     </RelativeLayout>
 
-    <Button
+    <ImageView
         android:id="@+id/config_text_color"
         android:layout_width="@dimen/widget_colorpicker_size"
         android:layout_height="@dimen/widget_colorpicker_size"