Error not Found?

Question

Hello Programmers,
I am creating an app which have a list view but when i click that it does not follow the instructions.

Main Activity Code :-
ListView listView;
Button btn_start;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) findViewById(R.id.list);
custom_adapter adapter = new custom_adapter(this);
listView.setAdapter(adapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Intent intent = new Intent(getApplicationContext(), workout_detail.class);
intent.putExtra("Position", position);
startActivity(intent);
}
});

Custom Adapter code :-

public class custom_adapter extends BaseAdapter {
Context context;
String [] Heading= {"Triceps"};
String [] Subheading= {"Triceps the essintial part of an exercise it will increase you muscle power..."};
int [] gif= {R.drawable.triceps};

public custom_adapter(Context ctx) {
this.context=ctx;
}
@Override
public int getCount() {return Heading.length;}
@Override
public Object getItem(int position) {return Heading[position];}
@Override
public long getItemId(int position) {return position;}
@Override
public View getView(int position, View view, ViewGroup parent) {
if(view==null){LayoutInflater inflater=(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
view=inflater.inflate(R.layout.customlayout,null); }
ImageView imageView=(ImageView) view.findViewById(R.id.imgId);
TextView view1=(TextView) view.findViewById(R.id.Heading);
TextView view2=(TextView) view.findViewById(R.id.Subheading);
imageView.setImageResource(gi

Answer 1

Thesmallest yeah my application is showing up, but the item isn't shown in the next activity.

Answer 2

Thesmallest hello i would like to run this listview where it automatically pick an item and show it on next activitiy