adding a crashfix at the Plain Text notes

Author: tibbi

app/src/main/kotlin/com/simplemobiletools/notes/pro/adapters/ChecklistAdapter.kt

@@ -14,6 +14,7 @@ import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.extensions.applyColorFilter
 import com.simplemobiletools.commons.extensions.beVisibleIf
 import com.simplemobiletools.commons.extensions.getColoredDrawableWithColor
+import com.simplemobiletools.commons.extensions.removeBit
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.notes.pro.R
 import com.simplemobiletools.notes.pro.dialogs.RenameChecklistItemDialog
@@ -161,7 +162,7 @@ class ChecklistAdapter(activity: BaseSimpleActivity, var items: ArrayList<Checkl
                     paintFlags = paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
                     alpha = DONE_CHECKLIST_ITEM_ALPHA
                 } else {
-                    paintFlags = paintFlags or Paint.STRIKE_THRU_TEXT_FLAG - Paint.STRIKE_THRU_TEXT_FLAG
+                    paintFlags = paintFlags.removeBit(Paint.STRIKE_THRU_TEXT_FLAG)
                     alpha = 1f
                 }
             }

app/src/main/kotlin/com/simplemobiletools/notes/pro/fragments/TextFragment.kt

@@ -143,9 +143,11 @@ class TextFragment : NoteFragment() {
 
             if (config.showKeyboard && isMenuVisible) {
                 onGlobalLayout {
-                    requestFocus()
-                    val inputManager = activity!!.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
-                    inputManager.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT)
+                    if (activity?.isDestroyed == false) {
+                        requestFocus()
+                        val inputManager = activity!!.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+                        inputManager.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT)
+                    }
                 }
             }