- Forum posts: 1
Sep 7, 2015, 2:01:33 PM via Website
Sep 7, 2015 2:01:33 PM via Website
Hello,
I am trying to populate an arrayList using arrayAdapter as ListView into a custom Layout in Android Studio, everything is fine not giving any error! but when i am running the app it loads okay but show nothing!
bellow are my codes:
MainActicity.java
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_item_forecast);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public static class PlaceHolderFragment extends Fragment{
private ArrayAdapter<String> mForecastAdapter;
public PlaceHolderFragment(){
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
View rootView = inflater.inflate(R.layout.fragment_main, container);
String[] forecastArray = {
"Today - Sunny - 88/63",
"Tomorrow - Foggy - 88/63",
"Weds - Sunny - 88/63",
"Thurs - Sunny - 88/63",
"Fri - Sunny - 88/63",
"Sat - Sunny - 88/63",
"Sun - Sunny - 88/63"
};
List<String> weekForecast = new ArrayList<String>(
Arrays.asList(forecastArray));
mForecastAdapter = new ArrayAdapter<String>(
getActivity(),
R.layout.list_item_forecast, R.id.list_item_forecast_textview, weekForecast);
ListView lv = (ListView) rootView.findViewById(R.id.listview_forecast);
lv.setAdapter(mForecastAdapter);
return rootView;
}
}
}
list_item_forecast.xml
<TextView
xmlns:android="..."
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?android:attr/listPreferredItemHeight"
android:gravity="center_vertical"
android:id="@+id/list_item_forecast_textview">
</TextView>
fragment_main.xml
<FrameLayout xmlns:android="..."
xmlns:tools=".."
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivityFragment">
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/listview_forecast"/>
</FrameLayout>
Thanks so much in advance