Fix crash due to TextView.getText() returning null.
This CL ensures that a null text is not passed to
TextClassificationHelper.reset(...)
This CL does not handle the issue of TextView.getText() being null.
Bug: 65682674
Test: none
Merged-In: Id8bdc062ecf21cc14810586580fef9052672cfd8
Change-Id: Id8bdc062ecf21cc14810586580fef9052672cfd8
diff --git a/core/java/android/widget/SelectionActionModeHelper.java b/core/java/android/widget/SelectionActionModeHelper.java
index fceefaf..6c13e0c 100644
--- a/core/java/android/widget/SelectionActionModeHelper.java
+++ b/core/java/android/widget/SelectionActionModeHelper.java
@@ -70,14 +70,15 @@
mEditor = Preconditions.checkNotNull(editor);
mTextView = mEditor.getTextView();
mTextClassificationHelper = new TextClassificationHelper(
- mTextView.getTextClassifier(), mTextView.getText(),
+ mTextView.getTextClassifier(),
+ getText(mTextView),
0, 1, mTextView.getTextLocales());
mSelectionTracker = new SelectionTracker(mTextView);
}
public void startActionModeAsync(boolean adjustSelection) {
mSelectionTracker.onOriginalSelection(
- mTextView.getText(),
+ getText(mTextView),
mTextView.getSelectionStart(),
mTextView.getSelectionEnd(),
mTextView.isTextEditable());
@@ -166,7 +167,7 @@
}
private void startActionMode(@Nullable SelectionResult result) {
- final CharSequence text = mTextView.getText();
+ final CharSequence text = getText(mTextView);
if (result != null && text instanceof Spannable) {
Selection.setSelection((Spannable) text, result.mStart, result.mEnd);
mTextClassification = result.mClassification;
@@ -198,7 +199,9 @@
}
private void resetTextClassificationHelper() {
- mTextClassificationHelper.reset(mTextView.getTextClassifier(), mTextView.getText(),
+ mTextClassificationHelper.reset(
+ mTextView.getTextClassifier(),
+ getText(mTextView),
mTextView.getSelectionStart(), mTextView.getSelectionEnd(),
mTextView.getTextLocales());
}
@@ -301,7 +304,7 @@
if (isSelectionStarted()
&& mAllowReset
&& textIndex >= mSelectionStart && textIndex <= mSelectionEnd
- && textView.getText() instanceof Spannable) {
+ && getText(textView) instanceof Spannable) {
mAllowReset = false;
boolean selected = editor.selectCurrentWord();
if (selected) {
@@ -557,7 +560,7 @@
mSelectionResultSupplier = Preconditions.checkNotNull(selectionResultSupplier);
mSelectionResultCallback = Preconditions.checkNotNull(selectionResultCallback);
// Make a copy of the original text.
- mOriginalText = mTextView.getText().toString();
+ mOriginalText = getText(mTextView).toString();
}
@Override
@@ -573,7 +576,7 @@
@Override
@UiThread
protected void onPostExecute(SelectionResult result) {
- result = TextUtils.equals(mOriginalText, mTextView.getText()) ? result : null;
+ result = TextUtils.equals(mOriginalText, getText(mTextView)) ? result : null;
mSelectionResultCallback.accept(result);
}
@@ -702,8 +705,6 @@
}
}
-
-
@SelectionEvent.ActionType
private static int getActionType(int menuItemId) {
switch (menuItemId) {
@@ -724,4 +725,14 @@
return SelectionEvent.ActionType.OTHER;
}
}
+
+ private static CharSequence getText(TextView textView) {
+ // Extracts the textView's text.
+ // TODO: Investigate why/when TextView.getText() is null.
+ final CharSequence text = textView.getText();
+ if (text != null) {
+ return text;
+ }
+ return "";
+ }
}