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我有一個GridView和一個名爲MyAdapter的適配器。每個網格中的我的按鈕不顯示對話框,因爲它應該這樣做(MyAdapter.java)。這裏是我的代碼,我不知道我是什麼在這裏失蹤:網格項按鈕不起作用
MyAdapter.java
public class MyAdapter extends BaseAdapter {
Context context;
ArrayList<Players> playerList;
private static LayoutInflater inflater = null;
Button btnRoleReveal;
public MyAdapter(Context context, ArrayList<Players> playerList){
this.context = context;
this.playerList = playerList;
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return playerList.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null)
convertView = inflater.inflate(layout_grid_item, null);
final Button button = (Button) convertView.findViewById(R.id.btnRoleReveal);
TextView idTextView = (TextView) convertView.findViewById(R.id.tv_player_id);
TextView nameTextView = (TextView) convertView.findViewById(R.id.tv_player_name);
final TextView roleTextView = (TextView) convertView.findViewById(R.id.tv_player_role);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new AlertDialog.Builder(context)
.setTitle("Test")
.setMessage("Test");
}
});
Players p = new Players();
p = playerList.get(position);
idTextView.setText("ID: " + String.valueOf(p.getId()));
nameTextView.setText("Name: " + String.valueOf(p.getName()));
roleTextView.setText("Role: " + String.valueOf(p.getRole()));
return convertView;
}
}
RolesFragment.java
public class RolesFragment extends Fragment implements View.OnClickListener {
GridView gridView;
ArrayList<Players> playersList;
MyAdapter adapter;
Button role;
public RolesFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_viewroles, container, false);
gridView = (GridView) view.findViewById(R.id.gv_players);
role = (Button) view.findViewById(R.id.btnRoleReveal);
DatabaseHelper databaseHelper = new DatabaseHelper(getActivity());
playersList = new ArrayList<Players>();
playersList = databaseHelper.getPlayers();
adapter = new MyAdapter(getActivity(), playersList);
gridView.setAdapter(adapter);
return view;
}
@Override
public void onClick(View v) {
}
}
哇,我不敢相信我錯過了!感謝您的幫助! – Tuss
我還有一個簡單的問題,我怎麼才能實現它來處理多個按鈕?現在,許多按鈕中只有一個響應我想要的方式,因爲每個按鈕位於layout_grid_item和網格視圖內,按鈕點擊對於網格內的項目應該是唯一的,不是? (另外,我不認爲這種情況會起作用,因爲根據之前的輸入,GridView可以有一個或多個項目(多達7個)。 – Tuss
@Tuss您是如何設置佈局的?您應該以編程方式創建一個適配器的getView中的新按鈕而不是使用findViewById找到的同一個按鈕。 – ZexDC