gridview

fetching images from gallery on android phones with internal storage

由 寵の児 提交于 2020-01-23 05:55:05
问题 Hi I am developing an Android Gallery app where I am fetching images from built in gallery and displaying it.I am using the code as below String[] projection = {MediaStore.Images.Thumbnails._ID}; Cursor cursor = getContentResolver().query(MediaStore.Images.Thumbnails.INTERNAL_CONTENT_URI, projection, // Which columns to return null, // Return all rows null, null); int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Thumbnails._ID); int size = cursor.getCount(); // If size is 0,

fetching images from gallery on android phones with internal storage

由 ε祈祈猫儿з 提交于 2020-01-23 05:54:54
问题 Hi I am developing an Android Gallery app where I am fetching images from built in gallery and displaying it.I am using the code as below String[] projection = {MediaStore.Images.Thumbnails._ID}; Cursor cursor = getContentResolver().query(MediaStore.Images.Thumbnails.INTERNAL_CONTENT_URI, projection, // Which columns to return null, // Return all rows null, null); int columnIndex = cursor.getColumnIndexOrThrow(MediaStore.Images.Thumbnails._ID); int size = cursor.getCount(); // If size is 0,

Two types of postback events

由 强颜欢笑 提交于 2020-01-23 03:15:05
问题 1) I found two articles, each categorizing a bit differently the two types of postback events: One resource says the two types of postback events are Changed event ( where controls implement IPostbackDataHandler ), which fires when data is changed between postbacks, and then are Raised events ( where controls implement IPostbackEventHandler ), which are raised by server controls for whatever reason the control sees fit Other article says the two types are Immediate response events and Change

ASP.NET GridView Paging using Linq query as datasource

由 ＊爱你＆永不变心＊ 提交于 2020-01-23 02:44:11
问题 I am looking for a way to do paging with a GridView when i set the datasource at run time using a linq query. here is my code: ETDataContext etdc = new ETDataContext(); var accts = from a in etdc.ACCOUNTs orderby a.account_id select new { Account = a.account_id, aType = a.SERVICEs.FirstOrDefault().SERVICE_TYPE.service_type_desc, name = a.SERVICEs.FirstOrDefault().service_name, Letter_dt = a.create_dt, PrimAccthldr = a.PEOPLE.first_name + " " + a.PEOPLE.middle_name + " " + a.PEOPLE.last_name }

Pinterest like Grid in Android

由 放肆的年华 提交于 2020-01-22 05:31:26
问题 I want to build a grid like the one in Pinterest app on Android. I started extending an AdapterView<ListAdapter> but I cannot make many things working (for example the overscroll effect) so, after abandoning the idea to extend AbsListView , now I am starting thinking it is better to extend a ListView and override the layoutChildren() method. What do you think? Thanks 回答1: We won’t be needing any external library for this as Android’s native RecyclerView makes implementing a Pinterest masonry

How to solve scroll issue in GridView in android?

由 最后都变了- 提交于 2020-01-22 02:22:05
问题 I am trying to develop a simple order app. Here I want to add/cancel the product for every child(List Item). public class CustomAdapter extends BaseAdapter implements OnClickListener { private Activity activity; private ArrayList data; private static LayoutInflater inflater = null; public Resources res; ListModel tempValues = null; int i = 0; static int count = 0; static int tot_amt = 0; ImageButton btn; ViewHolder holder; int pos; public CustomAdapter(Activity a, ArrayList d, Resources

导航区域 温故GridView 和 column

由 笑着哭i 提交于 2020-01-21 19:35:08
代码： import 'package:flutter/material.dart'; import 'package:flutter_screenutil/flutter_screenutil.dart'; class TopNavigator extends StatelessWidget { final List navigatorList; TopNavigator({this.navigatorList}); Widget _gridViewItemUI(BuildContext context,item){ return InkWell( onTap: (){ print('点击了导航'); }, child: Column( children: <Widget>[ Image.network(item['image'],width:ScreenUtil().setWidth(95)), Text(item['mallCategoryName']) ], ), ); } @override Widget build(BuildContext context) { if (this.navigatorList.length > 10) { this.navigatorList.removeRange(10, this.navigatorList.length); }

Adding Link Column to ASP.NET GridView

由 那年仲夏 提交于 2020-01-20 20:56:19
问题 I want to output a list of news headlines that are clickable. So far I can get it to print out a list of headlines because I dragged and dropped the NewsHeadline table in designer view in VS 2010. How do you think I should the make the list elements clickable? I looked for a URL attribute but I did not see it. Do I need to wrap in a < a href ? <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSource1" EmptyDataText="There are no data records to

Android ScrollView doesn't start at top, but at the beginning of the GridView

由 这一生的挚爱 提交于 2020-01-20 13:00:10
问题 I have a problem with a ScrollView that has inside of it a personalized GridView and other tipe of views.The first time I start the Activity, the ScrollView starts at its top, but if I visit the Activity other times the ScrollView starts at the beginning of the GridView.I used the class ExpandableHeightGridView found in this link for my GridView. The xml code for the Activity layout is this one: <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id

Android ScrollView doesn't start at top, but at the beginning of the GridView

由 心不动则不痛 提交于 2020-01-20 12:53:09
问题 I have a problem with a ScrollView that has inside of it a personalized GridView and other tipe of views.The first time I start the Activity, the ScrollView starts at its top, but if I visit the Activity other times the ScrollView starts at the beginning of the GridView.I used the class ExpandableHeightGridView found in this link for my GridView. The xml code for the Activity layout is this one: <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id
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