package apt.tutorial;
import android.app.TabActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.LayoutInflater;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RadioGroup;
import android.widget.TabHost;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
public class LunchList extends TabActivity {
List<Restaurant> model=new ArrayList<Restaurant>();
RestaurantAdapter adapter=null;
EditText name=null;
EditText address=null;
RadioGroup types=null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
name=(EditText)findViewById(R.id.name);
address=(EditText)findViewById(R.id.addr);
types=(RadioGroup)findViewById(R.id.types);
Button save=(Button)findViewById(R.id.save);
save.setOnClickListener(onSave);
ListView list=(ListView)findViewById(R.id.restaurants);
adapter=new RestaurantAdapter();
list.setAdapter(adapter);
TabHost.TabSpec spec=getTabHost().newTabSpec("tag1");
spec.setContent(R.id.restaurants);
spec.setIndicator("List", getResources()
.getDrawable(R.drawable.list));
getTabHost().addTab(spec);
spec=getTabHost().newTabSpec("tag2");
spec.setContent(R.id.details);
spec.setIndicator("Details", getResources()
.getDrawable(R.drawable.restaurant));
getTabHost().addTab(spec);
getTabHost().setCurrentTab(0);
list.setOnItemClickListener(onListClick);
}
private View.OnClickListener onSave=new View.OnClickListener() {
public void onClick(View v) {
Restaurant r=new Restaurant();
r.setName(name.getText().toString());
r.setAddress(address.getText().toString());
switch (types.getCheckedRadioButtonId()) {
case R.id.sit_down:
r.setType("sit_down");
break;
case R.id.take_out:
r.setType("take_out");
break;
case R.id.delivery:
r.setType("delivery");
break;
}
adapter.add(r);
}
};
private AdapterView.OnItemClickListener onListClick=new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent,
View view, int position,
long id) {
Restaurant r=model.get(position);
name.setText(r.getName());
address.setText(r.getAddress());
if (r.getType().equals("sit_down")) {
types.check(R.id.sit_down);
}
else if (r.getType().equals("take_out")) {
types.check(R.id.take_out);
}
else {
types.check(R.id.delivery);
}
getTabHost().setCurrentTab(1);
}
};
class RestaurantAdapter extends ArrayAdapter<Restaurant> {
RestaurantAdapter() {
super(LunchList.this, R.layout.row, model);
}
public View getView(int position, View convertView,
ViewGroup parent) {
View row=convertView;
RestaurantHolder holder=null;
if (row==null) {
LayoutInflater inflater=getLayoutInflater();
row=inflater.inflate(R.layout.row, parent, false);
holder=new RestaurantHolder(row);
row.setTag(holder);
}
else {
holder=(RestaurantHolder)row.getTag();
}
holder.populateFrom(model.get(position));
return(row);
}
}
static class RestaurantHolder {
private TextView name=null;
private TextView address=null;
private ImageView icon=null;
private View row=null;
RestaurantHolder(View row) {
this.row=row;
name=(TextView)row.findViewById(R.id.title);
address=(TextView)row.findViewById(R.id.address);
icon=(ImageView)row.findViewById(R.id.icon);
}
void populateFrom(Restaurant r) {
name.setText(r.getName());
address.setText(r.getAddress());
if (r.getType().equals("sit_down")) {
icon.setImageResource(R.drawable.ball_red);
}
else if (r.getType().equals("take_out")) {
icon.setImageResource(R.drawable.ball_yellow);
}
else {
icon.setImageResource(R.drawable.ball_green);
}
}
}
}