- if (callback != null) view.setOnItemClickListener((parent, itemView, position, id) -> {
- callback.descriptionSelected(String.valueOf(view.getText()));
+ if (callback != null)
+ view.setOnItemClickListener(
+ (parent, itemView, position, id) -> callback.descriptionSelected(
+ String.valueOf(view.getText())));
+ }
+ public static void queryInBackground(@NonNull String statement, @NonNull String[] params,
+ @NonNull CallbackHelper callbackHelper) {
+ /* All callbacks are called in the new (asynchronous) thread! */
+ Thread t = new Thread(() -> {
+ callbackHelper.onStart();
+ try {
+ SQLiteDatabase db = App.getDatabase();
+
+ try (Cursor cursor = db.rawQuery(statement, params)) {
+ boolean gotRow = false;
+ while (cursor.moveToNext()) {
+ gotRow = true;
+ if (!callbackHelper.onRow(cursor))
+ break;
+ }
+ if (!gotRow) {
+ callbackHelper.onNoRows();
+ }
+ }
+ }
+ catch (Exception e) {
+ callbackHelper.onException(e);
+ }
+ finally {
+ callbackHelper.onDone();
+ }