:octocat: ≡ DirectSelect is a selection widget with an ethereal, full-screen modal popup displaying the available choices when the widget is interact with.
we are trying to populate the list of drop down options from a restful api or sqlite.
It show the following error.
rocess: com.ramotion.directselect.examples.advenced, PID: 23396
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.widget.ArrayAdapter.getItem(int)' on a null object reference
at com.ramotion.directselect.DSListView.hideListView(DSListView.java:224)
at com.ramotion.directselect.DSListView.access$200(DSListView.java:36)
at com.ramotion.directselect.DSListView$3.onTouch(DSListView.java:313)
at android.view.View.dispatchTouchEvent(View.java:9941)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2666)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2344)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2358)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2358)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2358)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2358)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2358)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2358)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2672)
public void getData(){
StringRequest stringRequest = new StringRequest(url, new com.android.volley.Response.Listener<String>() {
@Override
public void onResponse(String response) {
GsonBuilder gsonBuilder = new GsonBuilder();
Gson gson = gsonBuilder.create();
Type listType = new TypeToken<List<ManFact>>(){}.getType();
List<ManFact> manFacts = (List<ManFact>) gson.fromJson(response, listType);
if(response.length()==0){
// Toast.makeText(,"No result",Toast.LENGTH_SHORT).show();
}else {
try {
for (ManFact man : manFacts) {
impList = Arrays.asList(
new AdvancedExampleCountryPOJO(man.getName(),R.drawable.ic_launcher_background)
);
stringArray.add(man.getName());
sqlUtil.addProduct(new AdvancedExampleCountryPOJO(man.getName(),R.drawable.ic_launcher_background));
}
ArrayAdapter<AdvancedExampleCountryPOJO> adapter = new AdvancedExampleCountryAdapter(
AdvancedExampleActivity.this, R.layout.advanced_example_country_list_item, sqlUtil.getAllProductList());
// Set adapter to our DSListView
DSListView<AdvancedExampleCountryPOJO> pickerView = findViewById(R.id.ds_county_list);
pickerView.setAdapter(adapter);
} catch (Exception e) {
e.printStackTrace();
//oast.makeText(context, e.toString(), Toast.LENGTH_SHORT).show();
}
}
}
}, new com.android.volley.Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
if (error == null) {
//Toast.makeText(context,"No Internet",Toast.LENGTH_LONG).show();
}
}
});
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
}
we are trying to populate the list of drop down options from a restful api or sqlite. It show the following error.