android-gridview

问题 I have a customized GridView populated by a customized BaseAdapter. The selection mode of the GridView is MultiChoiceModal. I want to control which items can be activated when long clicked while still ensuring they respond to (short) click events. BaseAdapter has a method called isEnabled , the perfect solution would be if it had a method isActivatable that behaved analogously. The next best solution would be to intercept long clicks and pass them along to the default handler only when

问题 I'am using StickyGridHeaders for GridView with sections. this library is using R.array.countries to populate GridView with provided data and extracting first letter from passed string array to create section heading. I m trying to pass an ArrayList of objects that will contain ArrayList for sections text named as "sectionArrayList" and "contentArrayListPrivate" and "contentArrayListPublic" . Now i want to play a for loop that will play till < sectionArrayList.size and will check is there any

问题 I need to add a footer view of some kind to a gridview layout in android, there is no official documentation that I can find for this and I have not been able to find a method that actually works in my google searches, has anyone achieved anything like this? I need to make a button that will show up the bottom of the gridview so that I can add more photos onclick, sort of like the below example from instagram, any help would go a long way thanks! <?xml version="1.0" encoding="utf-8"?>

问题 public class NewMovie extends Activity { GridView lv; Vibrator vibrator; SimpleAdapter adapter; Button b; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); Log.i("Category", MainActivity.movie_Category); setContentView(R.layout.new_movie); vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE); lv = (GridView) findViewById(R.id.grid_view); // URL to the JSON data String strUrl = "http://vaibhavtech

问题 I am showing image thumbnail in gridview from sdcard and when i click on an image i want to start a new activity and show the image in fullscreen. But i am facing a problem that the activity is not getting started ? i am posting my code and logcat hope anybody can help thanks in advance.. getFromSdcard(parent, child); for (int i = 0; i < f.size(); i++) { Cursor desc = sql.fetchCatImageDesc(f.get(i).substring( f.get(i).lastIndexOf("/") + 1)); while (desc.moveToNext()) { itemname = desc

问题 I have a Gridview and when i press a certain element, i want paint the background. I have an adapter to load the gridview elements dinamically. And i have a listener on that adapter. On that listener, i put the background with the color that i want, but then it also paints another element down the list (i guess the one with the same position, after the view is reloaded). Important : My minimum API is 9, and i can't really change it. Here is the code for my getView method (from the adapter) :

问题 Well, my question is quite simple. I am beginning Android programming and I am programming a simple calendar app. My main layout is like this (There's more above the RelativeLayout, but I think it's not important): <RelativeLayout android:id android:layout_width="match_parent" android:layout_height="match_parent" android:layout_below="@+id/header" > <GridView android:id="@+id/month_days" android:layout_width="match_parent" android:layout_height="match_parent" android:numColumns="7" android

问题 I've just imported StaggeredView demo to my workspace, I get no errors in eclipse, but when I'm trying to start the demo, I'm getting this errors in logCat: 09-17 14:01:06.111: E/AndroidRuntime(11611): FATAL EXCEPTION: main 09-17 14:01:06.111: E/AndroidRuntime(11611): java.lang.NullPointerException 09-17 14:01:06.111: E/AndroidRuntime(11611): at android.view.ViewGroup$LayoutParams.<init>(ViewGroup.java:5299) 09-17 14:01:06.111: E/AndroidRuntime(11611): at android.support.v4.widget

问题 This is an update from my previous questions How to call the Gridview Activity from another activity which I added my codes Here is my gallery.xml <?xml version="1.0" encoding="utf-8"?> <GridView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/gridview" android:layout_width="match_parent" android:layout_height="match_parent" android:columnWidth="90dp" android:numColumns="auto_fit" android:verticalSpacing="10dp" android:horizontalSpacing="10dp" android:stretchMode=

问题 Hello stackoverflow I'm trying to develop an application that display images from SD card and allow user to delete the images using a check box. I'm able to display images from SD card with CheckBox but I'm unable to delete the specific image which has been ticked by the user dynamically. Here is my MainActivity.java public class MainActivity extends Activity { private int count; private Bitmap[] thumbnails; private boolean[] thumbnailsselection; private String[] arrPath; private ImageAdapter