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I have created an app which displays photos in a gridview and I want to load the photos from internet as the user scrolls up (like the pinterest app and facebook app), how can I make this?
The website exports a list of images and the app must load that in background and display the images as the user scrolls up.
use this Links this will help to image loading http://developer.android.com/training/displaying-bitmaps/index.html or https://github.com/chrisbanes/Android-BitmapCache
try this one the images will be loaded from server, for efficient you need to implement LazyLoad Adapter
http://www.androidbegin.com/tutorial/android-json-parse-images-and-texts-tutorial/
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I have a gridView with a lot of images (bitmaps).
How I can load only the ones are displayed on screen and load the others only when they will be displayed scrolling my gridview?
Many thanks
PS: Please show me an example.
Look at this docs from Google, a part is dedicated to gridviews.
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Right now, Google used a card-like design for their apps, like Google Plus or Youtube.
My question is that how to implement this in my app. What I need is this:
It should be a ListView, each item has a card background, and some spacing between items.
Some card may contain another ListView, with some paddings and no divider spacing in this internal(inside of the card) listview.
I know it is simple to get (1), but what about (2) ?
I tried use CWAC-Merge adapter, but I can not get (2) work.
What about this library? A library that allows you to easily mimic Google Play's card layout on Android.
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Facing out of memory issue when shows large thumbnails in each row of listview.
Clearly you're doing this wrong. Android gives you an extremely limited memory space. You should show thumbnails in your listview and only load the full images into memory (from the sdcard) when they've been selected. Also remember to recycle() your Bitmaps if you're loading them manually.
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How to implement progress bar in our app like in facebook login screen (in picture).
how to show loader like facebook home screen. It need to show the downloading the image in my app
You can use ProgressWheel library .
It's easy to use and customizable.
Samples are also provided in the link above.
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In my application i have a share option. when i clicked on that will show a list of applications, If i selected on of the application then that application will be stated.
Now from that application if user select share and touch my app icon then that shared information needs to be shown in my activity is this scenario possible in android? if possible what is the best of doing this.
Here are three easy lessons: Sharing Content.