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嗨我是編程新手,在開始複製可擴展列表的教程並且被禁止超過1周之前開始有很多樂趣。將選擇範圍從可擴展列表傳遞到新活動
我想使用可擴展列表中的最終選擇並將此信息傳遞給我的新活動。它現在設置的方式是我可以傳遞字符串值id(我不想要這個)我想要點擊的實際字符串。
public class MainActivity extends Activity {
public final static String ID_EXTRA = "com.example.chris.prontopages2.MainActivity.";
HashMap<String, List<String>> Movies_category;
List<String> Movies_list;
ExpandableListView Exp_list;
MoviesAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Exp_list = (ExpandableListView) findViewById(R.id.exp_list);
Movies_category = DataProvider.getInfo();
Movies_list = new ArrayList<String>(Movies_category.keySet());
adapter = new MoviesAdapter(this, Movies_category, Movies_list);
Exp_list.setAdapter(adapter);
Exp_list.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
Intent i = new Intent("Main22Activity.class");
i.putExtra(ID_EXTRA, String.valueOf(id));
startActivity(i);
return false;
}
});
}