我在一個活動中出現問題,該活動返回一個ListView或幾個ListViews的組合,並與Commonsware的MergeAdapter合併在一起。這是一項搜索活動,基於搜索查詢將返回1個或多個不同類別的結果。 當類別大於1時,我插入一個標題,這是另一個只有一行的ListView - 類別的名稱。帶有標題和MergeAdapter的可點擊ListView使應用程序崩潰onListItemClick
一些代碼:
public class FirstAdapter extends ArrayAdapter<Address> {
public FirstAdapter (Context context, int resource,
int textViewResourceId, List<Address> objects) {
super(context, resource, textViewResourceId, objects);
}
public View getView (int position, View convertView, ViewGroup parent) {
View view = super.getView(position, convertView, parent);
Address location = this.getItem(position);
TextView textView = (TextView) view.findViewById(R.id.SearchResultTextAddress);
textView.setText(location.address);
return view;
}
}
然後,我有一個頭適配器:
public class HeaderAdapter extends ArrayAdapter<String> {
private String header;
public HeaderAdapter(Context context, int resource,
int textViewResourceId, String header) {
super(context, resource, textViewResourceId, new ArrayList<String>());
this.header = header;
}
public void setVisible(boolean visible) {
if (visible) show();
else hide();
}
public void show() {
clear();
add(this.header);
}
public void hide() {
clear();
}
public View getView (int position, View convertView, ViewGroup parent) {
return super.getView(position, convertView, parent);
}
public String getHeader() {
return header;
}
public void setHeader(String header) {
this.header = header;
}
@Override
public boolean isEnabled(int position) {
return false;
}
}
正如你可以看到只有在需要的時候顯示。 在我非常活動我有一個onListItemClick覆蓋:
@Override
protected void onListItemClick(ListView listview, View view, int position, long id) {
super.onListItemClick(listview, view, position, id);
if (this.firstAdapter.getCount() > 0) {
position--;
if (position < this.firstAdapter.getCount()) onRepClick(this.firstAdapter.getItem(position));
position = position - this.firstAdapter.getCount();
}
if (this.secondAdapter.getCount() > 0) {
position--;
if (position < this.secondAdapter.getCount()) onAusschussClick(this.secondHeader.getItem(position));
position = position - this.secondAdapter.getCount();
}
所以,一切工作正常,當我從一個適配器只有一個類別。當我有兩個結果的時候,我得到一個ArrayIndexOutOfBoundsException。我認爲我得到職位的邏輯是不正確的。任何想法將不勝感激,謝謝。
這裏是堆棧跟蹤:
06-28 12:56:54.291: E/AndroidRuntime(3963): FATAL EXCEPTION: main
06-28 12:56:54.291: E/AndroidRuntime(3963): java.lang.ArrayIndexOutOfBoundsException
06-28 12:56:54.291: E/AndroidRuntime(3963): at java.util.ArrayList.get(ArrayList.java:313)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.widget.ArrayAdapter.getItem(ArrayAdapter.java:298)
06-28 12:56:54.291: E/AndroidRuntime(3963): at com.jasamer.callarep.SearchActivity.onListItemClick(SearchActivity.java:136)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.app.ListActivity$2.onItemClick(ListActivity.java:319)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.widget.AdapterView.performItemClick(AdapterView.java:284)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.widget.ListView.performItemClick(ListView.java:3513)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.widget.AbsListView$PerformClick.run(AbsListView.java:1849)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.os.Handler.handleCallback(Handler.java:587)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.os.Handler.dispatchMessage(Handler.java:92)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.os.Looper.loop(Looper.java:130)
06-28 12:56:54.291: E/AndroidRuntime(3963): at android.app.ActivityThread.main(ActivityThread.java:3835)
06-28 12:56:54.291: E/AndroidRuntime(3963): at java.lang.reflect.Method.invokeNative(Native Method)
06-28 12:56:54.291: E/AndroidRuntime(3963): at java.lang.reflect.Method.invoke(Method.java:507)
06-28 12:56:54.291: E/AndroidRuntime(3963): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:847)
06-28 12:56:54.291: E/AndroidRuntime(3963): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:605)
06-28 12:56:54.291: E/AndroidRuntime(3963): at dalvik.system.NativeStart.main(Native Method)
「我得到一個ArrayIndexOutOfBoundsException」 - 請發佈整個堆棧跟蹤。 – CommonsWare
忘記將它添加到首位。現在編輯。 –