-2
A
回答
0
我想你可以somthink這樣把數組列表作爲微調數據庫
Spinner mySpinner = (Spinner) findViewById(R.id.my_spinner);
//adapter helps to add data to spinner.
ArrayAdapter<String> adapter = new ArrayAdapter<String> (MainActivity.this,android.R.layout.simple_spinner_dropdown_item,user_spinner_string);
mySpinner.setAdapter(adapter);
0
SpinnerNavItem.java
public class SpinnerNavItem {
private String title;
private int icon;
public SpinnerNavItem(String title, int icon){
this.title = title;
this.icon = icon;
}
public String getTitle(){
return this.title;
}
public int getIcon(){
return this.icon;
}
}
list_item_title_navigation.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:padding="5dp" >
<ImageView android:id="@+id/imgIcon"
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:src="@drawable/ic_launcher"
android:layout_marginRight="5dp"
/>
<TextView android:id="@+id/txtTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_toRightOf="@id/imgIcon"/>
</RelativeLayout>
TitleNavigationAdapter.java
public class TitleNavigationAdapter extends BaseAdapter {
private ImageView imgIcon;
private TextView txtTitle;
private ArrayList<SpinnerNavItem> spinnerNavItem;
private Context context;
public TitleNavigationAdapter(Context context,
ArrayList<SpinnerNavItem> spinnerNavItem) {
this.spinnerNavItem = spinnerNavItem;
this.context = context;
}
@Override
public int getCount() {
return spinnerNavItem.size();
}
@Override
public Object getItem(int index) {
return spinnerNavItem.get(index);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater mInflater = (LayoutInflater)
context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
convertView = mInflater.inflate(R.layout.list_item_title_navigation, null);
}
imgIcon = (ImageView) convertView.findViewById(R.id.imgIcon);
txtTitle = (TextView) convertView.findViewById(R.id.txtTitle);
imgIcon.setImageResource(spinnerNavItem.get(position).getIcon());
imgIcon.setVisibility(View.GONE);
txtTitle.setText(spinnerNavItem.get(position).getTitle());
return convertView;
}
@Override
public View getDropDownView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater mInflater = (LayoutInflater)
context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
convertView = mInflater.inflate(R.layout.list_item_title_navigation, null);
}
imgIcon = (ImageView) convertView.findViewById(R.id.imgIcon);
txtTitle = (TextView) convertView.findViewById(R.id.txtTitle);
imgIcon.setImageResource(spinnerNavItem.get(position).getIcon());
txtTitle.setText(spinnerNavItem.get(position).getTitle());
return convertView;
}
}
MainActivity.java
public class MainActivity extends Activity implements ActionBar.OnNavigationListener{
// action bar
private ActionBar actionBar;
// Title navigation Spinner data
private ArrayList<SpinnerNavItem> navSpinner;
// Navigation adapter
private TitleNavigationAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
actionBar = getActionBar();
// Hide the action bar title
actionBar.setDisplayShowTitleEnabled(false);
// Enabling Spinner dropdown navigation
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
// Spinner title navigation data
navSpinner = new ArrayList<SpinnerNavItem>();
navSpinner.add(new SpinnerNavItem("Local", R.drawable.ic_location));
navSpinner.add(new SpinnerNavItem("My Places", R.drawable.ic_my_places));
navSpinner.add(new SpinnerNavItem("Checkins", R.drawable.ic_checkin));
navSpinner.add(new SpinnerNavItem("Latitude", R.drawable.ic_latitude));
// title drop down adapter
adapter = new TitleNavigationAdapter(getApplicationContext(), navSpinner);
// assigning the spinner navigation
actionBar.setListNavigationCallbacks(adapter, this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
....
}
/**
* On selecting action bar icons
* */
@Override
public boolean onOptionsItemSelected(MenuItem item) {
...
}
/**
* Actionbar navigation item select listener
* */
@Override
public boolean onNavigationItemSelected(int itemPosition, long itemId) {
// Action to be taken after selecting a spinner item
return false;
}
}
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