android-studio

Android Studio – Class 'Anonymous class derived from Callback' must either be declared abstract or implement abstract method 'onError(Exception)' in 'Callback'

Class 'Anonymous class derived from Callback' must either be declared abstract or implement abstract method 'onError(Exception)' in 'Callback' I am opening an old project. Now how to solve this problem? my code is: Picasso.get().load(p.getImageUrl()).into(iv, new Callback() { @Override public void…

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Flutter – Why does aliasing a package cause Android Studio to not be able to find the same function that it could find when the package was unaliased?

I took this function from https://suragch.medium.com/simple-sqflite-database-example-in-flutter-e56a5aaa3f91. This works: import 'package:sqflite/sqflite.dart'; Future<int> localDBQueryRowCount({required sqf.Database db, required String table}) async { final results = await db.rawQuery('SELECT COUNT(*) FROM $table'); return Sqflite.firstIntValue(results) ?? 0; } This doesn't work: import 'package:sqflite/sqflite.dart' as sqf; Future<int>…

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