android-gridview

android get position of clicked item in gridview

南笙酒味 提交于 2019-11-27 11:22:43
问题 as we know using android grid view, we can do the following and get notified when item is clicked: gridview.setOnItemClickListener(new AdapterView.OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View v, int position, long id) { Toast.makeText(PopularCapitActivity.this, "" + position, Toast.LENGTH_SHORT).show(); } }); we also know that, if the cell in the grid contains a clickable item, say a button, the above won't get fired. so currently i have a grid view, each cell

java.lang.illegalstateexception could not find a method (view) in the activity class android fragment

我是研究僧i 提交于 2019-11-27 09:03:20
in my program, i am using a gridview with some images, i want to show a menu when user tapped on an image in gridview, and then select an action to do from the menu showed. here is my codes: package Kazemi.Alireza.scada; import android.annotation.SuppressLint; import android.app.Dialog; import android.app.FragmentManager; import android.content.Context; import android.graphics.Typeface; import android.graphics.drawable.AnimationDrawable; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import

How to cenralize last uneven row in GridView in android?

大兔子大兔子 提交于 2019-11-27 06:52:45
问题 I have a GridView , which displays pictures of alphabets what happens is , every time in the last row there are less no of alphabets. and the last row is left aligned , which doesn't look good so I want make the last row to be in centre, any suggestion My GridView code: <?xml version="1.0" encoding="utf-8"?> <GridView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/grid_view" android:layout_width="fill_parent" android:layout_marginRight="20dp" android:layout

Add an array of buttons to a GridView in an Android application

℡╲_俬逩灬. 提交于 2019-11-27 04:38:35
I have an application that will have 5-15 buttons depending on what is available from a backend. How do I define the proper GridView layout files to include an array of buttons that will each have different text and other attributes? Each button will essentially add an item to a cart, so the onClick code will be the same except for the item it adds to the cart. How can I define an array so I can add a variable number of buttons, but still reference each of them by a unique ID? I've seen examples of the arrays.xml , but they have created an array of strings that are pre-set. I need a way to

gridView with different cells sizes, pinterest style

假装没事ソ 提交于 2019-11-27 03:20:45
Background GridView is a class that extends AdapterView , which means it shows cells in a grid-style efficiently, recycling old views to be shown as new ones when the user scrolls it. The problem Sometimes, you would want to get a special UI, which resembles the Windows Phone Tiles UI, having cells of different sizes on top of each other. Something like this: AABB AACC AADD AADD each letter represents a part of its cell, so cell A is 2x4 , cell B and cell C take 2x1 each , and cell D is 2x2 . It could be even more than that, where cell D finished a bit above what i've shown, and right beneath

GridView VS GridLayout in Android Apps

冷暖自知 提交于 2019-11-26 23:23:44
I have to use a grid to implement Photo Browser in Android, and I want to know the difference between GridView and GridLayout . I'm using GridView to display the images dynamically. A GridView is a ViewGroup that displays items in two-dimensional scrolling grid. The items in the grid come from the ListAdapter associated with this view. This is what you'd want to use (keep using). Because a GridView gets its data from a ListAdapter, the only data loaded in memory will be the one displayed on screen. GridViews, much like ListViews reuse and recycle their views for better performance. Whereas a

implement AsyncTask in Fragment android

旧时模样 提交于 2019-11-26 22:48:47
问题 I've an activity which output json data from as a list. But now I want to implement it in a fragment. In this fragment I want to view it as gridview. And both files works fine. but when I tried to implement AsyncTask I gets several redflags as unreachable code. Can someone help me with this please? Edited: New public class SalesFragment extends Fragment { GridView gridView; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View gv =

Gridview and its images is not fit for all screensize

守給你的承諾、 提交于 2019-11-26 21:59:36
问题 As in my title gridview and it is images are not get fit for all screens . In my app I have 15 images and it is titles ,I wanna show it on a 3 column and 5 row format in all screen sizes. But my Gridview is not fit for all screen sizes and images,titles are not get properly aligned . I have tested my app in following API levels and got the below response . Reminders.java public class Reminders extends Fragment { private OnFragmentInteractionListener mListener; private View rootView; public

GridView rows overlapping: how to make row height fit the tallest item?

南楼画角 提交于 2019-11-26 19:28:56
Like this previous person , I have unwanted overlap between GridView items: Notice the text, in every column except the rightmost one. Where I differ from that previous question is that I don't want a constant row height . I want the row height to vary to accommodate the tallest content in each row, for efficient use of screen space. Looking at the source for GridView (not the authoritative copy, but kernel.org is still down), we can see in fillDown() and makeRow() that the last View seen is the "reference view": the row's height is set from the height of that View, not from the tallest one.

how to run media scanner in android

孤街醉人 提交于 2019-11-26 18:50:33
I want run the media scanner while capturing the image. After capturing, the image it is updated in grid view. For that I need to run media scanner. I found two solutions to run media scanner one is the broadcast event and other one is running media scanner class. I think in Ice Cream Sandwich (4.0) media scanner class is introduced.Before versions need to set broadcast event for running media scanner. can any one guide me how to run media scanner in right way. I have found it best (faster/least overhead) to run media scanner on a specific file (vs running it to scan all files for media), if