diff --git a/app/src/main/java/net/gsantner/markor/activity/DocumentEditFragment.java b/app/src/main/java/net/gsantner/markor/activity/DocumentEditFragment.java
index 5a54a3c5a4..bd80dc4121 100644
--- a/app/src/main/java/net/gsantner/markor/activity/DocumentEditFragment.java
+++ b/app/src/main/java/net/gsantner/markor/activity/DocumentEditFragment.java
@@ -114,7 +114,6 @@ public static DocumentEditFragment newInstance(final @NonNull File path, final I
     private MarkorWebViewClient _webViewClient;
     private boolean _nextConvertToPrintMode = false;
     private long _loadModTime = 0;
-    private boolean _isTextChanged = false;
     private MenuItem _saveMenuItem, _undoMenuItem, _redoMenuItem;
 
     // Wrap text setting and wrap text state are separated as the wrap text state may depend on
@@ -214,45 +213,58 @@ public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
 
         // Set initial wrap state
         initDocState();
+    }
+
+
+    @Override
+    public void onFragmentFirstTimeVisible() {
 
         int startPos = _appSettings.getLastEditPosition(_document.getPath(), _hlEditor.length());
+        final Bundle args = getArguments();
 
         // First start - overwrite start position if needed
-        if (savedInstanceState == null) {
-            if (isDisplayedAtMainActivity()) {
+        if (_savedInstanceState == null) {
+            if (isDisplayedAtMainActivity() || _appSettings.isEditorStartOnBotttom()) {
                 startPos = _hlEditor.length();
-            } else if (args.getInt(Document.EXTRA_FILE_LINE_NUMBER, -1) >= 0) {
+            } else if (args != null && args.getInt(Document.EXTRA_FILE_LINE_NUMBER, -1) >= 0) {
                 startPos = StringUtils.getIndexFromLineOffset(_hlEditor.getText(), args.getInt(Document.EXTRA_FILE_LINE_NUMBER), 0);
-            } else if (_appSettings.isEditorStartOnBotttom()) {
-                startPos = _hlEditor.length();
             }
         }
 
         StringUtils.setSelectionAndShow(_hlEditor, startPos);
     }
 
+    public void resume() {
+        loadDocument();
+    }
+
     @Override
     public void onResume() {
+        resume();
         super.onResume();
+    }
 
-        loadDocument();
+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        outState.putSerializable(SAVESTATE_DOCUMENT, _document);
+        super.onSaveInstanceState(outState);
+    }
 
-        if (_document != null) {
-            _document.testCreateParent();
-            boolean permok = _shareUtil.canWriteFile(_document.getFile(), false);
-            if (!permok && !_document.getFile().isDirectory() && _shareUtil.canWriteFile(_document.getFile(), _document.getFile().isDirectory())) {
-                permok = true;
-            }
-            if (_shareUtil.isUnderStorageAccessFolder(_document.getFile()) && _shareUtil.getStorageAccessFrameworkTreeUri() == null) {
-                _shareUtil.showMountSdDialog(getActivity());
-                return;
+    public void pause() {
+        saveDocument(false);
+        if (_appSettings != null && _document != null) {
+            _appSettings.addRecentDocument(_document.getFile());
+            _appSettings.setDocumentPreviewState(_document.getPath(), _isPreviewVisible);
+            if (_hlEditor != null) {
+                _appSettings.setLastEditPosition(_document.getPath(), _hlEditor.getSelectionStart());
             }
-            _textSdWarning.setVisibility(permok ? View.GONE : View.VISIBLE);
         }
+    }
 
-        if (_document != null && _document.getFile().getAbsolutePath().contains("mordor/1-epub-experiment.md") && getActivity() instanceof DocumentActivity) {
-            _hlEditor.setText(CoolExperimentalStuff.convertEpubToText(_document.getFile(), getString(R.string.page)));
-        }
+    @Override
+    public void onPause() {
+        pause();
+        super.onPause();
     }
 
     @Override
@@ -565,10 +577,10 @@ public void onContentEditValueChanged(CharSequence text) {
     }
 
     public void checkTextChangeState() {
-        _isTextChanged = !_document.isContentSame(_hlEditor.getText());
+        final boolean isTextChanged = !_document.isContentSame(_hlEditor.getText());
 
-        if (_saveMenuItem != null && _saveMenuItem.isEnabled() != _isTextChanged) {
-            _saveMenuItem.setEnabled(_isTextChanged).getIcon().mutate().setAlpha(_isTextChanged ? 255 : 40);
+        if (_saveMenuItem != null && _saveMenuItem.isEnabled() != isTextChanged) {
+            _saveMenuItem.setEnabled(isTextChanged).getIcon().mutate().setAlpha(isTextChanged ? 255 : 40);
         }
     }
 
@@ -654,11 +666,27 @@ public String getFragmentTag() {
         return FRAGMENT_TAG;
     }
 
+    public boolean checkPermissions() {
+
+        if (_document != null) {
+            final File file = _document.getFile();
+
+            if (_shareUtil.isUnderStorageAccessFolder(file) && _shareUtil.getStorageAccessFrameworkTreeUri() == null) {
+                _shareUtil.showMountSdDialog(getActivity());
+            }
+
+            final boolean permok =  _document.testCreateParent() && _shareUtil.canWriteFile(file, false);
+            _textSdWarning.setVisibility(permok ? View.GONE : View.VISIBLE);
+            return permok;
+        }
+        return false;
+    }
+
     // Save the file
     // Only supports java.io.File. TODO: Android Content
     public boolean saveDocument(final boolean forceSaveEmpty) {
-        // Document is written iff content has changed
-        if (_isTextChanged && _document != null && _hlEditor != null && isAdded()) {
+        // Document is written iff writeable && content has changed
+        if (checkPermissions() && _hlEditor != null && isAdded()) {
             if (_document.saveContent(getContext(), _hlEditor.getText().toString(), _shareUtil, forceSaveEmpty)) {
                 checkTextChangeState();
                 return true;
@@ -674,45 +702,6 @@ private boolean isDisplayedAtMainActivity() {
         return getActivity() instanceof MainActivity;
     }
 
-    @Override
-    public void onSaveInstanceState(@NonNull Bundle outState) {
-        outState.putSerializable(SAVESTATE_DOCUMENT, _document);
-        super.onSaveInstanceState(outState);
-    }
-
-    @Override
-    public void onPause() {
-        saveDocument(false);
-        if (_appSettings != null && _document != null) {
-            _appSettings.addRecentDocument(_document.getFile());
-            _appSettings.setDocumentPreviewState(_document.getPath(), _isPreviewVisible);
-            if (_hlEditor != null) {
-                _appSettings.setLastEditPosition(_document.getPath(), _hlEditor.getSelectionStart());
-            }
-        }
-        super.onPause();
-    }
-
-    @Override
-    public void setUserVisibleHint(final boolean isVisibleToUser) {
-        // This function can be called _outside_ the normal lifecycle!
-        // Do nothing if the fragment is not at least created!
-        if (!getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.CREATED)) {
-            return;
-        }
-
-        super.setUserVisibleHint(isVisibleToUser);
-        if (isVisibleToUser && isDisplayedAtMainActivity()) {
-            loadDocument();
-            _primaryScrollView.postDelayed(() -> _primaryScrollView.fullScroll(View.FOCUS_DOWN), 100);
-        } else if (!isVisibleToUser && _document != null) {
-            saveDocument(false);
-        }
-        if (isVisibleToUser) {
-            initDocState();
-        }
-    }
-
     public void updateViewModeText() {
         _textFormat.getConverter().convertMarkupShowInWebView(_document, _hlEditor.getText().toString(), _webView, _nextConvertToPrintMode);
     }
diff --git a/app/src/main/java/net/gsantner/markor/activity/MainActivity.java b/app/src/main/java/net/gsantner/markor/activity/MainActivity.java
index d7192e11a6..20ad8923dc 100644
--- a/app/src/main/java/net/gsantner/markor/activity/MainActivity.java
+++ b/app/src/main/java/net/gsantner/markor/activity/MainActivity.java
@@ -76,6 +76,7 @@ public class MainActivity extends MarkorBaseActivity implements FilesystemViewer
 
     private boolean _doubleBackToExitPressedOnce;
     private ShareUtil _shareUtil;
+    private int _prevPos = -1;
 
     @SuppressLint("SdCardPath")
     @Override
@@ -109,6 +110,7 @@ protected void onCreate(Bundle savedInstanceState) {
         _viewPager.setAdapter(_viewPagerAdapter);
         _viewPager.setOffscreenPageLimit(4);
         _bottomNav.setOnNavigationItemSelectedListener(this);
+        _prevPos = tabIdToPos(R.id.nav_notebook); // Default
 
         // noinspection PointlessBooleanExpression - Send Test intent
         if (BuildConfig.IS_TEST_BUILD && false) {
@@ -381,10 +383,16 @@ public void onViewPagerPageSelected(int pos) {
             restoreDefaultToolbar();
         }
 
+        if (_prevPos == tabIdToPos(R.id.nav_quicknote) || _prevPos == tabIdToPos(R.id.nav_todo)) {
+            ((DocumentEditFragment) _viewPagerAdapter.getItem(_prevPos)).pause();
+        }
+
         if (pos == tabIdToPos(R.id.nav_quicknote) || pos == tabIdToPos(R.id.nav_todo)) {
-            // cannot prevent bottom tab selection
             new PermissionChecker(this).doIfExtStoragePermissionGranted();
+            ((DocumentEditFragment) _viewPagerAdapter.getItem(pos)).resume();
         }
+
+        _prevPos = pos;
     }
 
     private FilesystemViewerData.Options _filesystemDialogOptions = null;