onitemclicklistener

问题 I'm creating a spinner and I've added an OnItemSelectedListener to it. However I've noticed that it fires on create. Now I was wondering if there was a way to ignore/discard it. I know I could use a boolean value, but that's a bit "dirty". 回答1: Here is my solution. I need to ignore the first item selection event because there is a dependency between the Route Grade Spinner and the Route Checkbox. And all my controls are setup based on a previous visit to the activity. // Used to count the

问题 Basically I want to show a different context menu when the user short clicks or long clicks on a cell in the grid view. The issue I have is that if the user short clicks the OnItemClick listener is called and I see the debugger reach the code that shows the context menu but rather than moving from there to onCreateContextMenu it goes to onItemLongClick. I have tried using a Boolean to prevent the long click code being executed which does prevent that code being executed, however even when

问题 I am trying to set an onItemClickListener with a custom adapter and listview setup. Can't seem to get the listener working. I don't think I am setting it up properly. Any help is appreciated. Thanks very much. Adapter: public class ModuleAdapter extends ArrayAdapter<Module> { Context context; int layoutResourceId; Module data[]; public ModuleAdapter(Context context, int layoutResourceId, Module data[]) { super(context, layoutResourceId, data); this.layoutResourceId = layoutResourceId; this

问题 I have a custom BaseAdapter for my ListView in which i implements AdapterView.OnItemClickListener . The problem is the onItemClick(AdapterView<?>, View, int, long) method is never called. I guess I need to implements that interface in my main Activity and not in my ListView custom adapter. MyListViewAdapter.java : public class MyListViewAdapter extends BaseAdapter implements AdapterView.OnItemClickListener { private Context context; private ArrayList<MyListViewRow> rowsList = new ArrayList

问题 I have a listView with 2 items in it, the 2 items are "seconds" and "minutes" When I press "seconds" I'd like a alertDialogBox to open en show 5,10,15,... seconds. Same when I press minutes Something like this: But I'm having trouble implementing it, because I don't understand very well how it is working. Here is the code I have: import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Bundle; import android.view.View; import

问题 I need to set OnClickListener for each list item of recycler view . I want to navigate to a different activity by clicking each list view item. So far I've managed to pass the click position via a callback to the same activity for each click item from then list. However, I want to start a different activity when clicking an item from the list. Let's assume I want to click the row that has text "dd" then it should go to activity named "abc" please help me. please. This is main activity: public

问题 I need to set OnClickListener for each list item of recycler view . I want to navigate to a different activity by clicking each list view item. So far I've managed to pass the click position via a callback to the same activity for each click item from then list. However, I want to start a different activity when clicking an item from the list. Let's assume I want to click the row that has text "dd" then it should go to activity named "abc" please help me. please. This is main activity: public

问题 I want to change the value of listItem when that listItem is clicked. I have provided the code below. public class MyListDialogExampleActivity extends Activity implements OnItemClickListener { ListView myListView; String itemString = null; String [] listViewArray = new String[] {"ABC", "DEF", "GHI", "JKL"}; MyArrayAdapter listAdapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); myListView = (ListView)

问题 i've got a listview in my app and i've got an onitemclick listener on it. In a row there is a framelayout and there are two view inside. what i want to do is, when i click on the item, the first layout slide away with an animation to show the second one which is below. I did this, but my problem is that sometimes it works and sometimes not. Most of the time it works after scrolling. I'm looking for my mistake for hours, so if someone have an idea, it will be great :) thanks 回答1: I found it.

问题 I have a class that extends from ListActivity and implements OnItemClickListener It's a very simple test class, the idea is that I select an item on the list, and it shows the selected item on a Toast . I can see the list normally on the emulator, and I can also see the effects of clicking in the item, but then nothing happens. I don't think the event is being fired, because I see nothing on LogCat, here's the code: public class CarsListActivity extends ListActivity implements