我有一個GridView,並使用BaseAdapter來填充每個網格項的值。我使用此適配器以編程方式在每個網格項中添加按鈕。問題是,我總共有七個按鈕。點擊每個按鈕後,該按鈕將被禁用,因此只能單擊一次。GridView按鈕無法正常工作
所以當第二個按鈕被點擊時,第7個按鈕停止工作。如果點擊第7個按鈕,則第一個按鈕停止工作。除此之外,按鈕工作正常,功能正常。
編輯:好像通過GridView滾動(因爲在GridView內部的元素是大是造成問題。)
下面是相關的代碼。
MyAdapter.java
import static com.example.tuss.mafia.R.layout.layout_grid_item;
public class MyAdapter extends BaseAdapter {
Context context;
ArrayList<Players> playerList;
private static LayoutInflater inflater = null;
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);
Players p;
p = playerList.get(position);
idTextView.setText("ID: " + String.valueOf(p.getId()));
nameTextView.setText(String.valueOf(p.getName()));
roleTextView.setText("Your Role Is: " + String.valueOf(p.getRole())+ ", you won't be able to view this again.");
final String role = roleTextView.getText().toString();
button.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
new AlertDialog.Builder(context)
.setTitle("Remember your role and keep it a secret!")
.setMessage(role)
.create()
.show();
button.setEnabled(false);
button.setText("Role has been viewed");
return true;
}
});
return convertView;
}
}
的XML爲GridView,fragment_viewroles.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.tuss.mafia.GameActivity" >
<GridView
android:id="@+id/gv_players"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:numColumns="2"
android:stretchMode="columnWidth"
android:nestedScrollingEnabled="true"
android:columnWidth="150dp"
android:horizontalSpacing="10dp"
android:verticalSpacing="20dp"
android:textAlignment="center"
android:gravity="center">
</GridView>
</RelativeLayout>
layout_grid_item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/customborder"
android:orientation="vertical" >
<TextView
android:id="@+id/tv_player_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAlignment="center"
android:textColor="@android:color/white"
android:visibility="gone"
android:text="ID" />
<TextView
android:id="@+id/tv_player_name"
android:textAlignment="center"
android:textSize="35dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="@android:color/holo_blue_bright"
android:text=""
android:textStyle="normal|bold" />
<TextView
android:id="@+id/tv_player_role"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAlignment="center"
android:clickable="true"
android:text="role"
android:visibility="invisible">
</TextView>
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Hold to reveal your role"
android:id="@+id/btnRoleReveal"
/>
RolesFragment.java
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);
DatabaseHelper databaseHelper = new DatabaseHelper(getActivity());
playersList = new ArrayList<Players>();
playersList = databaseHelper.getPlayers();
adapter = new MyAdapter(getActivity(), playersList);
gridView.setAdapter(adapter);
return view;
}
我認爲你缺少你的警告對話框.create()只是初始化按鈕事件。 –
.show()和.create()是一樣的嗎? –
其實.show()顯示對話框,而.create()創建對話框。當你調用.show()時,它實際上也會調用.create()函數。另外,在onCreateView方法中使用片段時,應該只調用findviewbyid方法。在onActivityCreated()中必須執行的其他操作。 –