adapter

问题 My Application has like below functionality: I have Done to set the Values with the custom adapter. but now i want to implement the functionality as like add another data, delete showing data, go to next data and back to previous data. In all that functionality only the Blue Values should be change. (that is the orderStatus in code). Left One Value (orderName()) should remain the same. Then how to implement that ? If i am adding the new data then that should be temporary stored as i want to

问题 I'm trying to use a custom adapter for a list. This list has 2 types of rows but I only use one layout (keeping the items that I don't need with visibility set to View.GONE ). However I keep getting a Class cast exception when trying to access the editbox-style row. I have very little experience with custom adapters. Your help is really appreciated :D Here's the code(I removed the setonclicklisteners to keep it short): public class SubEventListAdapter extends ArrayAdapter<MobileSubEvent> {

问题 I add new CheckBox in getView() (PlanAdapter class) public View getView(int position, View convertView, ViewGroup viewGroup) { Plan entry = listPlan.get(position); if (convertView == null) { LayoutInflater inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = inflater.inflate(R.layout.walkRow, null, false); } LinearLayout d = (LinearLayout)convertView.findViewById(R.id.checkBoxPlace); TextView distance = (TextView) convertView.findViewById(R.id

问题 I was having the problem in here : How to start Activity in adapter? . however, i would like to modify the transition animation direction. since, inside an adapter, you cannot call overridePendingTransition(). So do you guys know how to do it by using context and intent? also, i have an activity using my customized adapter, and do you guys know how to call my own function in activity from the adapter? thank you so much! penny 回答1: Sounds like you need to pass a Context into your adapter, can

问题 I am trying to discover Bluetooth Devices. When I'm debugging my adapter gets filled, but my listview wount refresh, I am seeing just a blank site. here is my code: package com.example.elevator; import java.util.Set; import android.os.Bundle; import android.app.Activity; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter

问题 I have an activity with the following layout: LinearLayout (orientation vertical) --> ViewPager --> ListView On initial load of the the activity the ViewPager visibility is set to be GONE though its adapter is created and set. At this point while the layout is inflated will PagerAdapter 's instantiateItem() be called or not? (because its visibility is GONE) 回答1: I tested the flow and found that even after inflating the ViewPager view and setting the adapter for the view, if the viewpager is

问题 Hi I'm kinda new to Android and i want to know how i can change the background color of listitems while iterating through a listview. I was looking at stackoverflow for 4 days but i didnt find any solutions for my case. so here is my code: public class ExercisesActivity extends ListActivity implements AdapterView.OnItemClickListener { private static final String TAG="ExerciseActivity"; private static final int REQ_ADD_EXERCISE =1; private static final int REQ_RENAME_EXERCISE=2; private String

问题 I have a ListItem which includes an ImgaeView. I want to delete the ListItem whenever its image or icon is clicked. Here is my ListItemActivity. How would I call the remove method of the adapter to remove the ListItem? Im having the problem with referencing. Please let me know if there is any better way of doing it. public class TaskListItem extends LinearLayout { private Task task; private TextView taskName; private TextView responsible; private TextView priority; private ImageView bin;

问题 Context I want to have a list with 3 significantly different layouts for list items so I make my adapter that based on type of item to display creates appropriate view. e.g. i want to list some images, texts and numbers, each with some title. I know that in public View getView(int position, View convertView, ViewGroup parent) the convertView stands for reusing no longer visible listItems views. Question How can I choose the convertView or how can i control what i get in there? The problem

问题 I need to display a ListView with some images, and I'm using the following code: dataText = (TextView)findViewById(R.id.data); dataText.setText(camping.stringIn + " >> " + camping.stringOut); l = name.length; ArrayList<tipologia> tipologieList=new ArrayList<tipologia>(); tipologia[] tip = new tipologia[l]; for (int i = 0; i < l; i++) { int rand = new Random().nextInt(3); availability[i] = String.format("%d", rand); tip[i] = new tipologia(image[i]); } for(int i=0; i<tip.length; i++) {