in my app,I want to create SpinnerList using CustomAdapter class,For this i wrote below code but when I tap on spinner list then array-List images are not loading in spinner-list as like my below screen why this problem is coming?
main_layout.xml:-
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dip"
android:text="Category:"
android:layout_marginBottom="5dp"/>
<Spinner
android:id="@+id/spinner"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
MainActivity:-
public class MainActivity extends AppCompatActivity {
public static final String[] titles = new String[] { "Strawberry",
"Banana", "Orange", "Hello" };
public static final Integer[] images = { R.drawable.image1,
R.drawable.image2, R.drawable.image3, R.drawable.image4 };
Spinner spinner;
List<RowItem> rowItems;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_layout);
rowItems = new ArrayList<RowItem>();
for (int i = 0; i < titles.length; i++) {
RowItem item = new RowItem(titles[i],images[i]);
rowItems.add(item);
}
spinner = (Spinner)findViewById(R.id.spinner);
CustomAdapter adapter = new CustomAdapter(MainActivity.this,
R.layout.listitems_layout, R.id.title, rowItems);
spinner.setAdapter(adapter);
}
}
listitems_layout.xml:-
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<ImageView
android:id="@+id/icon"
android:layout_width="80dp"
android:layout_height="80dp"
android:src="@drawable/image1"
android:padding="10dp"
/>
<TextView
android:layout_marginTop="30dp"
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@+id/icon"
android:textColor="#CC0033"
android:text="Strawberry"
android:textSize="16dp" />
</LinearLayout>
CustomAdapter:-
package com.example.venkat.spinnerexample1;
import android.app.Activity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.view.LayoutInflater;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.List;
public class CustomAdapter extends ArrayAdapter<RowItem> {
LayoutInflater flater;
public CustomAdapter(Activity context,int resouceId, int textviewId, List<RowItem> list){
super(context,resouceId,textviewId, list);
flater = context.getLayoutInflater();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
RowItem rowItem = getItem(position);
View rowview = flater.inflate(R.layout.listitems_layout,null,true);
TextView txtTitle = (TextView) rowview.findViewById(R.id.title);
txtTitle.setText(rowItem.getTitle());
ImageView imageView = (ImageView) rowview.findViewById(R.id.icon);
imageView.setImageResource(rowItem.getImageId());
return rowview;
}
}
RowItem:-
package com.example.venkat.spinnerexample1;
public class RowItem {
private int ImageId;
private String Title;
public RowItem(String Title,int ImageId){
this.Title = Title;
this.ImageId = ImageId;
}
public String getTitle(){
return Title;
}
public void setTitle(String Title){
this.Title = Title;
}
public int getImageId(){
return ImageId;
}
public void setImageId(int ImageId){
this.ImageId = ImageId;
}
@Override
public String toString() {
return Title ;
}
}
screen:-
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