calculate the minimal cell count at resizing

app/src/main/kotlin/com/simplemobiletools/launcher/extensions/Context.kt

@@ -46,3 +46,8 @@ fun Context.getDrawableForPackageName(packageName: String): Drawable? {
 
     return drawable
 }
+
+fun Context.getTileCount(size: Int): Int {
+    val tiles = Math.ceil(((size / resources.displayMetrics.density) - 30) / 70.0).toInt()
+    return Math.max(tiles, 1)
+}

app/src/main/kotlin/com/simplemobiletools/launcher/fragments/WidgetsFragment.kt

@@ -16,6 +16,7 @@ import com.simplemobiletools.commons.helpers.ensureBackgroundThread
 import com.simplemobiletools.commons.helpers.isRPlus
 import com.simplemobiletools.launcher.activities.MainActivity
 import com.simplemobiletools.launcher.adapters.WidgetsAdapter
+import com.simplemobiletools.launcher.extensions.getTileCount
 import com.simplemobiletools.launcher.helpers.COLUMN_COUNT
 import com.simplemobiletools.launcher.helpers.ITEM_TYPE_SHORTCUT
 import com.simplemobiletools.launcher.helpers.ITEM_TYPE_WIDGET
@@ -93,8 +94,8 @@ class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment
                 val appIcon = appMetadata.appIcon
                 val widgetTitle = info.loadLabel(packageManager)
                 val widgetPreviewImage = info.loadPreviewImage(context, resources.displayMetrics.densityDpi) ?: appIcon
-                val widthCells = Math.min(COLUMN_COUNT, getTileCount(info.minWidth))
+                val widthCells = Math.min(COLUMN_COUNT, context.getTileCount(info.minWidth))
-                val heightCells = Math.min(ROW_COUNT, getTileCount(info.minHeight))
+                val heightCells = Math.min(ROW_COUNT, context.getTileCount(info.minHeight))
                 val className = info.provider.className
                 val widget = AppWidget(appPackageName, appTitle, appIcon, widgetTitle, widgetPreviewImage, widthCells, heightCells, false, className, info)
                 appWidgets.add(widget)
@@ -120,11 +121,6 @@ class WidgetsFragment(context: Context, attributeSet: AttributeSet) : MyFragment
         }
     }
 
-    private fun getTileCount(size: Int): Int {
-        val tiles = Math.ceil(((size / resources.displayMetrics.density) - 30) / 70.0).toInt()
-        return Math.max(tiles, 1)
-    }
-
     private fun splitWidgetsByApps(appWidgets: ArrayList<AppWidget>) {
         var currentAppPackageName = ""
         val widgetListItems = ArrayList<WidgetsListItem>()

app/src/main/kotlin/com/simplemobiletools/launcher/views/HomeScreenGrid.kt

@@ -177,7 +177,10 @@ class HomeScreenGrid(context: Context, attrs: AttributeSet, defStyle: Int) : Rel
         val widgetView = widgetViews.firstOrNull { it.tag == resizedWidget!!.widgetId }
         resize_frame.beGone()
         if (widgetView != null) {
-            val appWidgetProviderInfo = item.providerInfo ?: appWidgetManager!!.installedProviders.firstOrNull { it.provider.className == item.className }
+            val appWidgetProviderInfo = item.providerInfo ?: appWidgetManager!!.installedProviders.firstOrNull {
+                it.provider.className == item.className
+            } ?: return
+
             val viewX = widgetView.x.toInt()
             val viewY = widgetView.y.toInt()
             val frameRect = Rect(viewX, viewY, viewX + widgetView.width, viewY + widgetView.height)

app/src/main/kotlin/com/simplemobiletools/launcher/views/MyAppWidgetResizeFrame.kt

@@ -9,7 +9,10 @@ import android.util.AttributeSet
 import android.view.MotionEvent
 import android.widget.RelativeLayout
 import com.simplemobiletools.launcher.R
+import com.simplemobiletools.launcher.extensions.getTileCount
+import com.simplemobiletools.launcher.helpers.COLUMN_COUNT
 import com.simplemobiletools.launcher.helpers.MAX_CLICK_DURATION
+import com.simplemobiletools.launcher.helpers.ROW_COUNT
 
 @SuppressLint("ViewConstructor")
 class MyAppWidgetResizeFrame(context: Context, attrs: AttributeSet, defStyle: Int) : RelativeLayout(context, attrs, defStyle) {
@@ -22,6 +25,8 @@ class MyAppWidgetResizeFrame(context: Context, attrs: AttributeSet, defStyle: In
     private var frameRect = Rect(0, 0, 0, 0)
     private var cellWidth = 0
     private var cellHeight = 0
+    private var minResizeWidthCells = 1
+    private var minResizeHeightCells = 1
     private var providerInfo: AppWidgetProviderInfo? = null
     private var sideMargins = Rect()
     private val lineDotRadius = context.resources.getDimension(R.dimen.resize_frame_dot_radius)
@@ -49,12 +54,14 @@ class MyAppWidgetResizeFrame(context: Context, attrs: AttributeSet, defStyle: In
         }
     }
 
-    fun updateFrameCoords(coords: Rect, cellWidth: Int, cellHeight: Int, sideMargins: Rect, providerInfo: AppWidgetProviderInfo?) {
+    fun updateFrameCoords(coords: Rect, cellWidth: Int, cellHeight: Int, sideMargins: Rect, providerInfo: AppWidgetProviderInfo) {
         frameRect = coords
         this.cellWidth = cellWidth
         this.cellHeight = cellHeight
         this.sideMargins = sideMargins
         this.providerInfo = providerInfo
+        minResizeWidthCells = Math.min(COLUMN_COUNT, context.getTileCount(providerInfo.minResizeWidth))
+        minResizeHeightCells = Math.min(ROW_COUNT, context.getTileCount(providerInfo.minResizeHeight))
         redrawFrame()
     }