moving a couple files in Helpers folder

app/src/main/kotlin/com/simplemobiletools/notes/helpers/Config.kt

@@ -0,0 +1,27 @@
+package com.simplemobiletools.notes.helpers
+
+import android.content.Context
+import com.simplemobiletools.commons.helpers.BaseConfig
+import com.simplemobiletools.notes.*
+
+class Config(context: Context) : BaseConfig(context) {
+    companion object {
+        fun newInstance(context: Context) = Config(context)
+    }
+
+    var fontSize: Int
+        get() = prefs.getInt(FONT_SIZE, FONT_SIZE_MEDIUM)
+        set(size) = prefs.edit().putInt(FONT_SIZE, size).apply()
+
+    var gravity: Int
+        get() = prefs.getInt(GRAVITY, GRAVITY_LEFT)
+        set(size) = prefs.edit().putInt(GRAVITY, size).apply()
+
+    var currentNoteId: Int
+        get() = prefs.getInt(CURRENT_NOTE_ID, 1)
+        set(id) = prefs.edit().putInt(CURRENT_NOTE_ID, id).apply()
+
+    var widgetNoteId: Int
+        get() = prefs.getInt(WIDGET_NOTE_ID, 1)
+        set(id) = prefs.edit().putInt(WIDGET_NOTE_ID, id).apply()
+}

app/src/main/kotlin/com/simplemobiletools/notes/helpers/Constants.kt

@@ -0,0 +1,30 @@
+package com.simplemobiletools.notes.helpers
+
+val TEXT = "text"
+val NOTE_ID = "note_id"
+
+// shared preferences
+val PREFS_KEY = "Notes"
+val IS_FIRST_RUN = "is_first_run"
+val IS_DARK_THEME = "is_dark_theme"
+val CURRENT_NOTE_ID = "current_note_id"
+val WIDGET_NOTE_ID = "widget_note_id"
+val FONT_SIZE = "font_size"
+val GRAVITY = "gravity"
+val WIDGET_BG_COLOR = "widget_bg_color"
+val WIDGET_TEXT_COLOR = "widget_text_color"
+
+// gravity
+val GRAVITY_LEFT = 0
+val GRAVITY_CENTER = 1
+val GRAVITY_RIGHT = 2
+
+// font sizes
+val FONT_SIZE_SMALL = 0
+val FONT_SIZE_MEDIUM = 1
+val FONT_SIZE_LARGE = 2
+val FONT_SIZE_EXTRA_LARGE = 3
+
+// note types
+val TYPE_NOTE = 0
+val TYPE_CHECKLIST = 1

app/src/main/kotlin/com/simplemobiletools/notes/helpers/MyWidgetProvider.kt

@@ -0,0 +1,78 @@
+package com.simplemobiletools.notes.helpers
+
+import android.app.PendingIntent
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.Context
+import android.content.Intent
+import android.content.SharedPreferences
+import android.graphics.Color
+import android.view.View
+import android.widget.RemoteViews
+import com.simplemobiletools.notes.R
+import com.simplemobiletools.notes.R.layout.widget
+import com.simplemobiletools.notes.activities.MainActivity
+import com.simplemobiletools.notes.databases.DBHelper
+import com.simplemobiletools.notes.extensions.getTextSize
+
+class MyWidgetProvider : AppWidgetProvider() {
+    lateinit var mDb: DBHelper
+    var textIds = arrayOf(R.id.notes_view_left, R.id.notes_view_center, R.id.notes_view_right)
+
+    companion object {
+        lateinit var mPrefs: SharedPreferences
+        lateinit var mRemoteViews: RemoteViews
+    }
+
+    override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray) {
+        initVariables(context)
+        val defaultColor = Color.BLACK
+        val newBgColor = mPrefs.getInt(WIDGET_BG_COLOR, defaultColor)
+        val newTextColor = mPrefs.getInt(WIDGET_TEXT_COLOR, Color.WHITE)
+
+        for (id in textIds) {
+            mRemoteViews.apply {
+                setInt(id, "setBackgroundColor", newBgColor)
+                setInt(id, "setTextColor", newTextColor)
+                setFloat(id, "setTextSize", context.getTextSize() / context.resources.displayMetrics.density)
+                setViewVisibility(id, View.GONE)
+            }
+        }
+
+        mRemoteViews.setViewVisibility(getProperTextView(context), View.VISIBLE)
+
+        for (widgetId in appWidgetIds) {
+            updateWidget(appWidgetManager, widgetId, mRemoteViews)
+        }
+        super.onUpdate(context, appWidgetManager, appWidgetIds)
+    }
+
+    private fun getProperTextView(context: Context): Int {
+        return when (Config.newInstance(context).gravity) {
+            GRAVITY_CENTER -> R.id.notes_view_center
+            GRAVITY_RIGHT -> R.id.notes_view_right
+            else -> R.id.notes_view_left
+        }
+    }
+
+    private fun initVariables(context: Context) {
+        mPrefs = context.getSharedPreferences(PREFS_KEY, Context.MODE_PRIVATE)
+        mDb = DBHelper.newInstance(context)
+        mRemoteViews = RemoteViews(context.packageName, widget)
+        setupAppOpenIntent(R.id.notes_holder, context)
+    }
+
+    private fun setupAppOpenIntent(id: Int, context: Context) {
+        val intent = Intent(context, MainActivity::class.java)
+        val pendingIntent = PendingIntent.getActivity(context, 0, intent, 0)
+        mRemoteViews.setOnClickPendingIntent(id, pendingIntent)
+    }
+
+    private fun updateWidget(widgetManager: AppWidgetManager, widgetId: Int, remoteViews: RemoteViews) {
+        val widgetNoteId = mPrefs.getInt(WIDGET_NOTE_ID, 1)
+        val note = mDb.getNote(widgetNoteId)
+        for (id in textIds)
+            remoteViews.setTextViewText(id, note?.value ?: "")
+        widgetManager.updateAppWidget(widgetId, remoteViews)
+    }
+}