Add focus workaround for old android devices

2 files changed, 19 insertions, 6 deletions

diff --git a/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/NoteEditFragment.java b/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/NoteEditFragment.java
index 4506597c..1a1ab089 100644
--- a/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/NoteEditFragment.java
+++ b/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/NoteEditFragment.java
@@ -45,6 +45,8 @@ import static it.niedermann.owncloud.notes.util.NoteUtil.getFontSizeFromPreferen
 
 public class NoteEditFragment extends SearchableBaseNoteFragment {
 
+    private static final String TAG = NoteEditFragment.class.getSimpleName();
+
     private static final String LOG_TAG_AUTOSAVE = "AutoSave";
 
     private static final long DELAY = 2000; // Wait for this time after typing before saving
@@ -148,10 +150,12 @@ public class NoteEditFragment extends SearchableBaseNoteFragment {
 
                 requireActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 
-                InputMethodManager imm = (InputMethodManager)
-                        requireActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
-                imm.showSoftInput(getView(), InputMethodManager.SHOW_IMPLICIT);
-
+                final InputMethodManager imm = (InputMethodManager) requireContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+                if (imm != null) {
+                    imm.showSoftInput(getView(), InputMethodManager.SHOW_IMPLICIT);
+                } else {
+                    Log.e(TAG, InputMethodManager.class.getSimpleName() + " is null.");
+                }
             }
 
             // workaround for issue yydcdut/RxMarkdown#41
@@ -160,7 +164,7 @@ public class NoteEditFragment extends SearchableBaseNoteFragment {
             binding.editContent.setText(note.getContent());
             binding.editContent.setEnabled(true);
 
-            MarkdownProcessor markdownProcessor = new MarkdownProcessor(requireContext());
+            final MarkdownProcessor markdownProcessor = new MarkdownProcessor(requireContext());
             markdownProcessor.config(MarkDownUtil.getMarkDownConfiguration(binding.editContent.getContext()).build());
             markdownProcessor.factory(EditFactory.create());
             markdownProcessor.live(binding.editContent);
@@ -169,7 +173,7 @@ public class NoteEditFragment extends SearchableBaseNoteFragment {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 binding.editContent.setCustomInsertionActionModeCallback(new ContextBasedFormattingCallback(binding.editContent));
             }
-            SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(requireContext().getApplicationContext());
+            final SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(requireContext().getApplicationContext());
             binding.editContent.setTextSize(TypedValue.COMPLEX_UNIT_PX, getFontSizeFromPreferences(requireContext(), sp));
             if (sp.getBoolean(getString(R.string.pref_key_font), false)) {
                 binding.editContent.setTypeface(Typeface.MONOSPACE);
diff --git a/app/src/main/res/layout/fragment_note_edit.xml b/app/src/main/res/layout/fragment_note_edit.xml
index 64f83e5e..a6ea2fde 100644
--- a/app/src/main/res/layout/fragment_note_edit.xml
+++ b/app/src/main/res/layout/fragment_note_edit.xml
@@ -6,6 +6,15 @@
     android:layout_height="match_parent"
     tools:background="?attr/colorPrimary">
 
+    <!-- Dummy item to prevent editContent from receiving focus -->
+    <LinearLayout
+        android:id="@+id/focus_workaround"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:focusable="true"
+        android:focusableInTouchMode="true"
+        android:orientation="horizontal" />
+
     <ScrollView
         android:id="@+id/scrollView"
         android:layout_width="match_parent"