android-listview

问题 I have been adding a navigation drawer to one of my apps, and I started to wonder whether or not it would be better to switch from using a ListView to multiple TextView s for the navigation drawer list items. Looking at the Google Design Guidelines on Navigation Drawer content (specifically the section on 'Scrolling'), I noticed that it may look nicer with multiple TextView s. At the moment, I am using a ListView and ImageView in my navigation drawer (it looks a little like this. However,

问题 This question already has answers here : Updating an ImageView with an image from a URL (2 answers) Closed 5 years ago . After parsing JSON array I'm getting image path How can I download that image and set it in list view. JSONObject iobject = aJson.getJSONObject(0); JSONObject imgObject = iobject.getJSONObject("img_update"); String img = imgObject.getString("0"); Here in string 'img' am getting image path How can I set it to a imageview in list what is simple and efficient solution for

问题 This question already has answers here : Updating an ImageView with an image from a URL (2 answers) Closed 5 years ago . After parsing JSON array I'm getting image path How can I download that image and set it in list view. JSONObject iobject = aJson.getJSONObject(0); JSONObject imgObject = iobject.getJSONObject("img_update"); String img = imgObject.getString("0"); Here in string 'img' am getting image path How can I set it to a imageview in list what is simple and efficient solution for

问题 I am using List View with custom array adapter the adapter sets data from Sqlite. But when the list items reach over 10 (or list becomes scroll able) the Image View changes position automatically if i scrolls continue. here is my custom adapter's code.Thanks public class CustomeAdapter extends ArrayAdapter<String>{ public Context context; public ArrayList<String> titleArrayList, descArrayList, timeArrayList, imgArrayList, IdArrayList; List data; int layoutResID; private Bitmap myBitmap;

问题 I have my json file like this: { "shops": [ { "id": "11", "name": "Next", "description": "Opened in 2005, offers a selection of clothes, shoes and accessories.", "url": "/shop/550/127", "categories": [ "4", "33", "34", "16" ], "bg_image": "/uploads/static/shop/460px/2012/12/5385-127-sale.jpg" }, ..... I want to fetch this shops according to the categories using "categories". For example if the men's jeans clicked from the list, then all shops associated with that categories displayed as a

问题 i want to change (with a condition) an ImageView resource in a ListView Layout from My AsyncTask that load a contacts list and put it to the listview in FindPeopleFragment.java how can i do it ? sorry if my english is bad !!!! FindPeopleFragment.java: import java.io.File; import java.io.FileOutputStream; import android.app.Fragment; import android.app.ProgressDialog; import android.database.Cursor; import android.database.MatrixCursor; import android.graphics.Bitmap; import android.graphics

问题 I am currently working on an application in which I have to taken into account two ListViews one above another and that too with a common scroll. I know this is not the best practice, instead I should have taken just a single ListView but the problem is with the layouts that doesn't seem to be possible with a sinlge ListView. Actually my first ListView will contain list of friend requests that I can accept or ignore and that are not static and can vary with no limit and second list will

问题 If i type "Hello" in my edittext in activity 1 it will add "Hello" to the listview in activity 2 as the first entry ( which has no error ). Also, if I type "Apple" as my second entry I will change the first entry of "Hello" to "Apple" and add the new 2nd entry "Apple"... causing both entries to become "Apple" and "Apple"... any thoughts? Act2 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_argue_list);

问题 I have a list, in which each row contains a checkbox and a textview, also I have a button which should check/uncheck all checkboxes in the list, however, I have not been able to achieve this with the checkboxes OUTSIDE of the screen, only with the visibles one. And if I understood well, that happens because items outside of the screens dont exist, they are recycled to create the new rows while scrolling, causing null pointers/out of index errores while trying to check/access the checkboxes

问题 I have one activity which contains a list(similar to fb or instagram feed) and I have buttons for liking that item and it also shows number of likes. Now suppose I click on the image, it opens an exploded view of image in a separate activity which also has like button. If I do a like on the image in exploded view activity, I want to reflect the same thing on the image in previous(feed) screen. I know one way is to refresh the feed from backend on onResume() method of the first activity. But I