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androiddialogpopupmenu

Custom ListAdapter in popup menu like AlertDialog


I have to show a list of items, in a customized row, just like PopupMenu http://developer.android.com/guide/topics/ui/menus.html#PopupMenu
But the problem is i didn't get how to use Custom Adapter with PopupMenu same as we use it in AlertDialogs and ListView.
have anybody worked around it, please guide me.


Solution

  • Here i added the sample code for you. Hope it should helpful for you. Thanks, Please let me know.

    spinnerpopup.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="vertical" >
        <com.stackoverflow.SpinnerContext
          android:id="@+id/spinnerContext"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:layout_marginTop="15dp"
          android:paddingLeft="10dp"
          android:paddingTop="7dp"></com.stackoverflow.SpinnerContext>
    
    </LinearLayout>
    

    SpinnerSample.java Activity:

    import java.util.ArrayList;
    import java.util.List;
    import com.stackoverflow.SpinnerContext;
    import android.app.Activity;
    import android.app.Dialog;
    import android.os.Bundle;
    import android.view.View;
    import android.view.WindowManager.LayoutParams;
    import android.widget.AdapterView;
    import android.widget.ArrayAdapter;
    import android.widget.ListView;
    import android.widget.AdapterView.OnItemClickListener;
    
    public class SpinnerSample extends Activity {
         static SpinnerContext spinnerContext;
         static List<String> listSubContext = new ArrayList<String>();
        @Override
        protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.spinnerpopup);
        addItemsOnContext();        
        }
    
        public void addItemsOnContext() {
            spinnerContext = (SpinnerContext) findViewById(R.id.spinnerContext);
            List<String> listContext = new ArrayList<String>();
            listContext.add("Units");
            listContext.add("Temperature");
            listContext.add("Mass");
            listContext.add("Length");
            listContext.add("Speed");
            listContext.add("Time");
            listContext.add("Area");
            ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
                android.R.layout.simple_spinner_item, listContext);
            dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_item);
            dataAdapter.notifyDataSetChanged();
    
            spinnerContext.setAdapter(dataAdapter);         
            spinnerContext.setOnItemSelectedEvenIfUnchangedListener(new AdapterView.OnItemSelectedListener() {
    
                @SuppressWarnings("deprecation")
                @Override
                public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
                    final Dialog dialog = new Dialog(SpinnerSample.this);
                    dialog.setContentView(R.layout.list_sub_context);
                    dialog.getWindow().setLayout(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
                    ListView list = (ListView)dialog.findViewById(R.id.listSubContext);
                    dialog.setTitle("Context for Call");
                    dialog.setCancelable(false);
                    dialog.show();
                    onStop();
                    listSubContext.clear();  
                    if(spinnerContext.getSelectedItem().toString() == "Temperature"){
                        listSubContext.add("Celsius");
                        listSubContext.add("Fahrenheit");
                    }else if(spinnerContext.getSelectedItem().toString() == "Mass"){
                        listSubContext.add("Metric Ton");
                        listSubContext.add("Kilogram");
                        listSubContext.add("Gram");
                        listSubContext.add("Milligram");
                        listSubContext.add("Pound");
                        listSubContext.add("Ounce");
                    }else if(spinnerContext.getSelectedItem().toString() == "Length"){
                        listSubContext.add("Kilometer");
                        listSubContext.add("Meter");
                        listSubContext.add("Centimeter");
                        listSubContext.add("Millimeter");
                        listSubContext.add("Mile");
                        listSubContext.add("Yard");
                        listSubContext.add("Foot");
                        listSubContext.add("Inch");
                    }else if(spinnerContext.getSelectedItem().toString() == "Speed"){
                        listSubContext.add("Miles/Hour");
                        listSubContext.add("Feet/Sec");
                        listSubContext.add("Meters/Sec");
                        listSubContext.add("Km/Hour");
                        listSubContext.add("Knot");
                    }else if(spinnerContext.getSelectedItem().toString() == "Time"){
                        listSubContext.add("Nanosecond");
                        listSubContext.add("Microsecond");
                        listSubContext.add("Meters/Sec");
                        listSubContext.add("Km/Hour");
                        listSubContext.add("Knot");
                    }else if(spinnerContext.getSelectedItem().toString() == "Area"){
                        listSubContext.add("Square km");
                        listSubContext.add("Square meter");
                        listSubContext.add("Square mile");
                        listSubContext.add("Hectare");
                        listSubContext.add("Acre");
                        listSubContext.add("Square yard");
                        listSubContext.add("Square foot");
                    }else if(spinnerContext.getSelectedItem().toString() == "Units"){
                        dialog.dismiss();
                    }
    
                    ArrayAdapter<String> adapter = new ArrayAdapter<String> (SpinnerSample.this,android.R.layout.simple_list_item_1,listSubContext);
                    list.setAdapter(adapter);               
                    list.setOnItemClickListener(new OnItemClickListener() {
                        @Override
                        public void onItemClick(AdapterView<?> parent, View view, int position,long arg3) {
                            view.setSelected(true);
                            dialog.dismiss();
                        }
                    });
                }
    
                @Override
                public void onNothingSelected(AdapterView<?> parentView) {
                    // your code here
                }      
            });
        }
    }
    

    SpinnerContext.java extends spinner

    import android.content.Context;
    import android.util.AttributeSet;
    import android.widget.Spinner;
    
    public class SpinnerContext extends Spinner {
        OnItemSelectedListener listener;
    
        public SpinnerContext(Context context, AttributeSet attrs) {
            super(context, attrs);
        }
    
        @Override
        public void setSelection(int position) {
            super.setSelection(position);
            if (listener != null)
            listener.onItemSelected(null, null, position, 0);
        }
    
        public void setOnItemSelectedEvenIfUnchangedListener(
            OnItemSelectedListener listener) {
            this.listener = listener;
        }   
    }