考虑以下内容(匿名):
speakBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
mTts.speak(words.getText().toString(), TextToSpeech.QUEUE_ADD, null);
}});
与此相比:(非匿名):
class MyOuterClass {
private class MyOnClickListener implements OnClickListener {
@Override
public void onClick(View view) {
mTts.speak(words.getText().toString(), TextToSpeech.QUEUE_ADD, null);
}
}
// later (inside some method)...
speakBtn.setOnClickListener(new MyOnClickListener());
}
除了代码行数更少之外,匿名形式还有其他优点吗?
是否存在性能优势?