我可以在操作栏上获得下拉菜单,但是当我点击图标时,我没有得到如何做同样的事情。
这里我是如何默认获得的下拉菜单,但我希望通过单击图标来获得相同的内容。即如果我点击左侧的android图标我希望dropdwon出现。
有什么办法吗?..
这是我的代码。
package com.example.actionbarsample;
import java.util.ArrayList;
import java.util.List;
import android.os.Bundle;
import android.app.ActionBar;
import android.app.ActionBar.OnNavigationListener;
import android.app.Activity;
import android.view.Menu;
import android.widget.ArrayAdapter;
import android.widget.SpinnerAdapter;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.Spinner;
import android.widget.TextView;
public class MainActivity extends Activity {
String []data1={"Brainbitz:java","Brainbitz:Android","Brainbitz:Embedded Systems","Brainbitz:PHP"};
String []data2={"6month Course","3month Course","3month Course","3month Course"};
Integer[] images={R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher,R.drawable.ic_launcher};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ActionBar actionBar = getActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
MyAdapter mSpinnerAdapter = new MyAdapter(this, R.layout.spinner, data1);
actionBar.setListNavigationCallbacks(mSpinnerAdapter, nav);
// Spinner mySpinner = (Spinner)findViewById(R.id.spinner1);
// mySpinner.setAdapter(new MyAdapter(this, R.layout.spinner, data1));
}
OnNavigationListener nav = new OnNavigationListener() {
@Override
public boolean onNavigationItemSelected(int arg0, long arg1) {
// TODO Auto-generated method stub
return false;
}
};
public class MyAdapter extends ArrayAdapter<String>
{
public MyAdapter(Context context, int textViewResourceId,
String[] objects) {
super(context, textViewResourceId, objects);
// TODO Auto-generated constructor stub
}
@Override
public View getDropDownView(int position, View convertView,ViewGroup parent) {
return getCustomView(position, convertView, parent);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
return getCustomView(position, convertView, parent);
}
public View getCustomView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater=getLayoutInflater();
View row=inflater.inflate(R.layout.spinner, parent, false);
TextView label=(TextView)row.findViewById(R.id.textView1);
label.setText(data1[position]);
TextView sub=(TextView)row.findViewById(R.id.textView2);
sub.setText(data2[position]);
ImageView icon=(ImageView)row.findViewById(R.id.imageView1);
icon.setImageResource(images[position]);
return row;
}
}
}