Android: How can I convert a receipt to a pdf file? [closed] - android

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I want to make an receipt in pdf file, like the below image, in android programmatically? The following is an example of a printed receipt, please help.

You can try to use itext.
http://sourceforge.net/projects/itext/
You can find a good eBook in itext library here:
https://www.manning.com/books/itext-in-action-second-edition and if you want free books, take a look at The Best iText Questions on StackOverflow and ZUGFeRD: The Future of Invoicing (the ZUGFeRD book explains how to create invoices, which is very similar to creating receipts).
And a good tutorial (vogella) can be found here:
http://www.vogella.com/tutorials/JavaPDF/article.html
Alternatively, you can try APW Library
http://sourceforge.net/projects/apwlibrary/

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How can I achieve this kind of sea-wave progress in android (check this gif image)? [closed]

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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/

What do I need to create an app that summarizes text from a document (include 100-150 characters)? [closed]

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I want to create an feature which can summarizes text from a document in Android.
I am confusion about algorithm to do it
Any support from anyone will be appreciate
It can be done. If you are writing on your own, you have to start with nltk library for java which is abbreviated as Natural language tool kit, which allows you to carry out these kind of text summarization. or you can use the following open source code to carry out , what you want.
Like, how many no. of words your summarizing content should have at final. Have a look at it.
https://github.com/mohaps/tldrzr

Opening ppts in my android app [closed]

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I have created an android application in which I want to add a feature for viewing ppts without he user having to download it first. As in, opening a ppt on the phone browser. Any help?
Can you elaborate better.
if what you mean is what i am thinking.
Maybe for a user to be able to view ppt files in your app.
Try using APIs, or ppt supported sdks. refer here

TimeLine Design for android [closed]

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i want to create a timeline that looks like this one or this one with android
who can gives me an idea on how to do or à tutorial please
thank you
You could use a charting library to get a lot of the work done easy, and customise where you need...or develop what you want from first principles to have ultimate control (will be a bit of hard work).
Try using aChartEngine (https://code.google.com/p/achartengine/), perhaps its TimeChart will get you going.

android pdf writer [closed]

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I need to add/remove bookmarks/annotation to a pdf on an Android App. Is there a third party library for that? From what I've found iText but it isn't ported to Android and none of the open source pdf viewers have this feature.
Thanks in advance!
You might find this answer helpful:
How to create PDFs in an Android app?
Apparently you should still be able to use iText for your needs.

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