请不要将其标记为重复的问题。
public class CategoriesFragment extends DialogFragment {
private static CategoriesFragment instance;
GridView gv_categories;
CategoriesAdapter categoriesAdapter;
private ArrayList<Category> mItems = new ArrayList<>();
private String[] mCategories;
public CategoriesFragment() {
// Required empty public constructor
}
public static synchronized CategoriesFragment newInstance() {
if (instance == null) {
instance = new CategoriesFragment();
}
return instance;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_categories, container, false);
gv_categories = (GridView) v.findViewById(R.id.gv_categories);
return v;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
categoriesAdapter = new CategoriesAdapter(getActivity(),R.layout.row_categoeis, mItems );
gv_categories.setAdapter(categoriesAdapter);
mCategories = getActivity().getResources().getStringArray(R.array.main_category_array);
loadCategories();
}
private void loadCategories() {
mItems.clear();
Category category;
/*This is the array, looping through.
<string-array name="main_category_array">
<item>Electronics</item>
<item>Vehicle</item>
<item>Property</item>
<item>Services</item>
<item>Job</item>
<item>Education</item>
<item>Sports</item>
<item>Agriculture</item>
<item>Clothing</item>
<item>Food</item>
<item>Animal</item>
<item>Other</item>
</string-array>
*/
for (int i = 0; i < mCategories.length; i++) {
category = new Category();
category.setDes_en(mCategories[i]);
mItems.add(category);
categoriesAdapter.notifyDataSetChanged();
}
}
class CategoriesAdapter extends ArrayAdapter<Category> {
private Context mContext;
private ArrayList<Category> listItems;
// references to our images
public CategoriesAdapter(Context context, int resource, ArrayList<Category> objects) {
super(context, resource, objects);
this.listItems = objects;
this.mContext = context;
}
public View getView(final int position, View convertView, final ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) getContext()
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(R.layout.row_categoeis, parent, false);
holder = new ViewHolder();
holder.title = (TextView) convertView.findViewById(R.id.tv_category);
holder.icon = (ImageView) convertView.findViewById(R.id.iv_category);
holder.rl_container = (RelativeLayout) convertView.findViewById(R.id.rl_container);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
Category category = getItem(position);
holder.title.setText(category.getDes_en());
holder.rl_container.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// This is the callback for start asynctask in MainActivity.
Communicator communicator = (Communicator) getActivity();
communicator.selectedCategory(position, instance);
//dismiss();
}
});
return convertView;
}
public class ViewHolder {
TextView title;
RelativeLayout rl_container;
ImageView icon;
}
}
interface Communicator {
void selectedCategory(int category);
}
这是我实施的活动。
public class MainActivity extends AppCompatActivity
implements CategoriesFragment.Communicator{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public void selectedCategory(int category,DialogFragment fragment) {
// this is the callback get called from CategoriesFragment.
fragment.dismiss(); // I get crash here. I tried to make dismiss inside the Adapter also.
getAnnouncementByQuery("main_category", String.valueOf(category),true); //This is an async Task.
// try {
// Thread.sleep(1000);
// fragment.dismiss();
// } catch (Exception e) {
// e.printStackTrace();
// }
}
@Override
public void selectedDistrict(int district, DialogFragment fragment) {
int dis = district;
fragment.dismiss();
getItemsByQuery();
// This is an async Task, which is called on Category item is clicked.
// try {
// Thread.sleep(1000);
// fragment.dismiss();
// } catch (InterruptedException e) {
// e.printStackTrace();
// }
//
}
我已经写过我面对设备6.0的问题，在其他设备中它工作正常。但是在6.0中，设备通过Array索引超出范围。 我试图在几秒后关闭对话框片段，但它不能100％工作，我在6.0设备上得到ArrayIndexOutOfBoundsException，其他设备为例 //三星s4和其他Genymotion仿真器工作正常。 //有关我在下面提供数组的更多信息。
java.lang.IndexOutOfBoundsException: Invalid index 1, size is 1
at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
at java.util.ArrayList.get(ArrayList.java:308)
at android.widget.HeaderViewListAdapter.isEnabled(HeaderViewListAdapter.java:164)
at android.widget.ListView.dispatchDraw(ListView.java:3330)
at android.view.View.draw(View.java:16241)
at android.widget.AbsListView.draw(AbsListView.java:4375)
at android.view.View.updateDisplayListIfDirty(View.java:15235)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3637)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3617)
at android.view.View.updateDisplayListIfDirty(View.java:15195)
at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:281)
at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:287)
at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:322)
at android.view.ViewRootImpl.draw(ViewRootImpl.java:2682)
at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2496)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2125)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1140)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6233)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
at android.view.Choreographer.doCallbacks(Choreographer.java:670)
at android.view.Choreographer.doFrame(Choreographer.java:606)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5527)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:7