extract and explain constant integer values for icon size

Signed-off-by: Felix Nüsse <felix.nuesse@t-online.de>

app/src/main/java/com/nextcloud/utils/ShortcutUtils.kt

@@ -35,6 +35,7 @@ import android.graphics.drawable.Icon
 import android.os.Build
 import androidx.annotation.RequiresApi
 import androidx.core.graphics.drawable.toBitmap
+import com.owncloud.android.R
 import com.owncloud.android.datamodel.OCFile
 import com.owncloud.android.datamodel.ThumbnailsCacheManager
 import com.owncloud.android.ui.activity.FileActivity
@@ -43,6 +44,8 @@ import com.owncloud.android.utils.MimeTypeUtil
 import com.owncloud.android.utils.theme.ViewThemeUtils
 import kotlin.math.roundToInt
 
+private const val i = 108
+
 class ShortcutUtil(val mContext: Context) {
 
     /**
@@ -103,8 +106,11 @@ class ShortcutUtil(val mContext: Context) {
 
     private fun bitmapToAdaptiveBitmap(orig: Bitmap): Bitmap {
         val screenDensity = mContext.resources.displayMetrics.density
-        val adaptiveIconSize = (108 * screenDensity).roundToInt()
-        val adaptiveIconOuterSides = (18 * screenDensity).roundToInt()
+        val adaptiveIconSizeConst = mContext.resources.getInteger(R.integer.adaptive_icon_size)
+        val adaptiveIconPaddingConst = mContext.resources.getInteger(R.integer.adaptive_icon_padding)
+
+        val adaptiveIconSize = (adaptiveIconSizeConst * screenDensity).roundToInt()
+        val adaptiveIconOuterSides = (adaptiveIconPaddingConst * screenDensity).roundToInt()
         val drawable: Drawable = BitmapDrawable(mContext.resources, orig)
         val bitmap = Bitmap.createBitmap(adaptiveIconSize, adaptiveIconSize, Bitmap.Config.ARGB_8888)
         val canvas = Canvas(bitmap)

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

@@ -148,4 +148,7 @@
     <dimen name="dialog_padding">24dp</dimen>
     <integer name="small_margin">5</integer>
     <integer name="zero">0</integer>
+    <!--Adaptive Icon size specified here:  https://developer.android.com/develop/ui/views/launch/icon_design_adaptive -->
+    <integer name="adaptive_icon_size">108</integer>
+    <integer name="adaptive_icon_padding">18</integer>
 </resources>