ListView
Add following files into your project:
1)MainActivity:
2)StarAdapter
3)StarModel
4)activity_main.xml
5)inflator_layout.xml
6) Add some images
public class MainActivity extends AppCompatActivity {
private ListView mListView;
private int[] startImages = new int[]{
R.drawable.brown_star,R.drawable.gray_star,R.drawable.green_star,
R.drawable.ligh_green_star, R.drawable.orange_star, R.drawable.pink_star,
R.drawable.yello_start, R.drawable.brown_star, R.drawable.gray_star,
R.drawable.green_star, R.drawable.ligh_green_star, R.drawable.orange_star,
R.drawable.pink_star, R.drawable.yello_start};
private String[] mColorNames = new String[]{
"Brown star", "Gray star", "Green star" ,
"Light green star", "Orange star", "Pink star",
"Yellow star", "Brown star", "Gray star",
"Green star" , "Light green star", "Orange star",
"Pink star", "Yellow star"};
private List<StarModel> starModelList = new ArrayList<>();
private String TAG = "Lokesh";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mListView = (ListView) findViewById(R.id.listView);
loadListWithImages();
StarAdapter adapter = new StarAdapter(starModelList,this);
mListView.setAdapter(adapter);
Log.d(TAG, "onCreate: list"+starModelList.size());
}
private void loadListWithImages() {
for (int i = 0; i < startImages.length; i++) {
StarModel starModel = new StarModel();
starModel.setCount(0);
starModel.setImage(startImages[i]);
starModel.setName(mColorNames[i]);
starModelList.add(starModel);
}
}
}
public class StarAdapter extends BaseAdapter {
private List<StarModel> starModelList;
private Context mContext;
private LayoutInflater inflater;
private String TAG = "LokeshSA";
public StarAdapter(List<StarModel> starModelList, Context mContext) {
this.starModelList = starModelList;
this.mContext = mContext;
inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return starModelList.size();
}
@Override
public Object getItem(int position) {
return starModelList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView == null) {
convertView = inflater.inflate(R.layout.inflator_layout, null);
convertView.setTag(holder);
}else {
holder = (ViewHolder) convertView.getTag();
}
holder = new ViewHolder();
holder.inflatorLayoutPlus = (TextView) convertView.findViewById(R.id.inflator_layout_plus);
holder.inflatorLayoutCount = (TextView) convertView.findViewById(R.id.inflator_layout_count);
holder.inflatorLayoutMinus = (TextView) convertView.findViewById(R.id.inflator_layout_minus);
holder.tvText = (TextView) convertView.findViewById(R.id.inflator_layout_text_tv);
holder.iamge = (ImageView) convertView.findViewById(R.id.inflator_layout_iv);
holder.delete = (ImageView) convertView.findViewById(R.id.inflator_delete_iv);
// setting image
holder.iamge.setImageResource(starModelList.get(position).getImage());
// setting name of star
holder.tvText.setText(starModelList.get(position).getName());
// setting count of star
holder.inflatorLayoutCount.setText(""+starModelList.get(position).getCount());
// setting listener for minus
holder.inflatorLayoutMinus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
StarModel starModel = starModelList.get(position);
starModel.setCount(starModel.getCount()-1);
starModelList.remove(position);
starModelList.add(position,starModel);
notifyDataSetChanged();
}
});
// setting listener for plus
holder.inflatorLayoutPlus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
StarModel starModel = starModelList.get(position);
starModel.setCount(starModel.getCount()+1);
starModelList.remove(position);
starModelList.add(position,starModel);
notifyDataSetChanged();
}
});
holder.delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
starModelList.remove(position);
notifyDataSetChanged();
}
});
return convertView;
}
private class ViewHolder{
private TextView inflatorLayoutPlus,inflatorLayoutCount,inflatorLayoutMinus,tvText;
private ImageView iamge,delete;
}
}
class StarModel {
int image,count;
String name;
public int getImage() {
return image;
}
public void setImage(int image) {
this.image = image;
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<ListView
android:id="@+id/listView"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
</ListView>
inflator_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"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="horizontal">
<ImageView
android:id="@+id/inflator_layout_iv"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_margin="10dp"
tools:src="@drawable/brown_star"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<ImageView
android:id="@+id/inflator_delete_iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@android:drawable/ic_delete"
android:padding="10dp"/>
<TextView
android:id="@+id/inflator_layout_text_tv"
style="@style/textview_normal"
android:layout_width="125dp"
tools:text="color star"
android:textColor="#2323ff" />
<TextView
android:id="@+id/inflator_layout_plus"
style="@style/textview_normal"
android:padding="10dp"
android:text="+"
android:layout_marginRight="25dp"/>
<TextView
android:id="@+id/inflator_layout_count"
style="@style/textview_normal"
tools:text="22"
android:textColor="#2323ff"/>
<TextView
android:id="@+id/inflator_layout_minus"
style="@style/textview_normal"
android:text="-"
android:layout_marginLeft="22dp"
android:padding="10dp"/>
</LinearLayout>
</LinearLayout>