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I am making an app in which i need to show all duplicate photos and delete them .I want to know which is the best way to identify duplicate images from device.Please help me.
As in the comments mentioned, there is different ways to compare images, such as if both images have same file, id, size, resolution or more advanced through openCV, which has numerous image manipulation functions and you can easily integrate it with android.
Otherwise, you could also look at Bitmap class has method "sameAs" you can use that method to compare two bitmaps. But you need to convert the image to bitmap.
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I'm about to make an android app something like "fun places to visit in my city" where u can see photos and description of the place.
I thought something like store all images in drawable folder, and create list of data class.
But the app will be very heavy?
I dont know which is the best way to store data and images locally. Any suggestion?
If you wish to keep app light maybe the better approach would be to store them somewhere on cloud and load them using library like picasso.
Storing them directly in the app truly can increase apk size a lot because you also should store different sizes of every images if you are following guidelines.
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I'm a beginner in android atudio, I recently make my first app, I put in many raw resources file(txt,mp3) that is why it's size is big (~200Mo).
I want to allow user to download what he need in order to benefit my service like listen to mp3 read text.
You should carefully consider why you need this much data in your app, remove all unnecessary parts and put everything you really need into the .apk as resource.
If I find some app is downloading 200MB to my phone, I'll uninstall that immediately.
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I want to add the progress wave like the above gif image. I've seen this kind of progress wave recently in many apps. I also searched for the 3rd party library but couldn't find one. Maybe there is one, but I'm not searching with correct keywords.
For Loading list place holders, you can use Shimmering Animations. I am listing out some of the cool Third parties libraries which you can use.
https://github.com/facebook/shimmer-android
https://github.com/team-supercharge/ShimmerLayout
Here is one of the best tutorial link
https://www.androidhive.info/2018/01/android-content-placeholder-animation-like-facebook-using-shimmer/
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I am not very good at Android development and need some help here.
My application uses listview in which each row contains an image which is to be loaded from the server. What I want is:
The images should be loaded in the order of their position on the listview.
The images should be cached until the user closes the application.
Until the image is not loaded, a default image should be used.
All of this should be Asynchronous.
Is there a library which could help me with this ?
Any help would be appreciated. Thanks.
Here's a very easy and straight forward tutorial for your problem.
Using UIL Library to handle your images
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I am new to android app development. I am trying to develop an app which will obtain some data from a web service and i need to draw this on bitmap.But this text is not a constant text. It may change. Is it possible to draw such a changing text in bitmap?
Kindly help me as i am new to this area.
To answer your question, yes it is possible. However, your application will have to keep checking for any changes made, for them to be updated in the bitmap. It might not be too efficient. For web services, make sure you use a background process. (AsyncTask)