请问如何理解这段代码呢?
private Handler mHandler2 = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
Toast.makeText(MainActivity.this, "你好", Toast.LENGTH_SHORT).show();
return true;
}
}) {
@Override
public void handleMessage(Message msg) {
Toast.makeText(MainActivity.this, "你好2", Toast.LENGTH_SHORT).show();
}
};在Handler用法2 了里面有这段代码,不太理解。。。
new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
Toast.makeText(MainActivity.this, "你好", Toast.LENGTH_SHORT).show();
return true;
}
}) //这里创建了一个对象那么对象后面跟着那个花括号是什么?方法吗?