android app screen compatibility using HTML5 development - android

I'm creating a cross-platform application using HTML5(for BlackBerry z10, Android, and iOS). I just want to ask how to apply the compatibility of the to all Android smartphones(2.3 and up maybe and also for iOS) since I use HMTL5, JS, and CSS3? By the way I will be using Twitter Bootstrap.
Thanks for the help in advance.

Every model of phone supports WebView. If you are using a pure HTML5 app, there will be no compatibility problems.

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Google Polymer for Android native app

Google Polymer looks like a simple way to make material designed web pages. I am developing a native Android application and would like to make it material designed. My question is, can I use Polymer for native Android applications?
No, you cannot use Polymer to build a truly "native" Android app. Although there are frameworks such as Phonegap which would allow you to build an app using web technologies and then compile into an Android app.
If your goal is to make an app that follows material design patterns, I suggest you get started by reading the official documentation on the subject: Creating Apps with Material Design
Polymer is a JavaScript Framework that implements web-specific standards for the front-end.
And JavaScript is not the native language of Android so Polymer cannot be used to build Native Apps (using Java) using Meterial Design.
But on the other hand you can build entire applications using HTML5 with the help of some technologies like Cordova and PhoneGap.
Yes, you can make native mobile apps with Polymer, thanks to Polymer Native.
If you are into native Android then you should use Android Official Appcompat Library(which is default) but it lacks backport of some Mateial elements and features( Official Tutorial). if you really need to implement the elements which Appcompat lacks you can use any third party librarie like MaterialEverywhere or this or you can find here if something is really availabe in the world.
Yes we cannot create pure native apps, But we can convert web apps developed in HTML, CSS, JS which is to run in a browser. Cordrava helps to convert the web app source to an apk file which can be installed in an Android devices as a native app. Cordrava makes the web app to run in the web view of android.
A good example tutorial below provided by Ashraff Hathibelagal
http://code.tutsplus.com/tutorials/how-to-create-a-to-do-list-app-with-polymer-and-cordova--cms-25434

Cross platform mobile app Editor

I am planning to develop a cross platform mobile app.
My app has to deal with camera, organizing pics.. I am planning to use PhoneGap for building the app. I need to select a user friendly IDE for developing my app. There are so many Editors in the market.
This is my first app and I am very confused which would be a best one to use. I am developing my app on Mac. I need a simple, user-friendly Editor.
Can someone please suggest what pros and cons do I have using different Editors and a better one to use?
I am currently using Monaca for developing mobile apps using PhoneGap. It includes an IDE for developing by simply using web browser. The good thing is that you write your code just using HTML5 and Javascript and deploy it to the platform such iOS, Android and Windows 8.
There is a guide here for create a simple app with camera using PhoneGap and JQuery mobile. It is very simple to do. You can have a try.
For Cordova/PhoneGap development right on iOS devices we developed GapCoder IDE.

Android app using xamarin supports Jquery?

Am new to Android application development, We are in process of exploring it.
I have a question does Android app supports Jquery ??
We are using Xamarin tool for app development
jQuery Mobile integrates well with Android.
Here are some good resources for you:
http://jquerymobile.com/resources/
http://mobile.tutsplus.com/tutorials/mobile-web-apps/jquery-mobile-forms/

Android Native App Designing Frameworks

What I am trying to do might not be quite difficult but I am confusing myself. I am trying to build an app only for Android that will play videos for my company.
As I am not an native Android developer what I did is using html, jquery and phonegap to create and bundle my app as a web view which will help the end user installing the app instead of going to a URL and then open it.
Now here the challenge starts for me, I am looking for touch optimized design which should look like a native app. I can use twitter bootstrap , foundation or any other CSS framework to make my design responsive. I also know how to make ajax based animated page loading which will help me in preventing complete page load.
The real issue: is css the only and right way to design a mobile app? Does apps like Facebook , Youtube also make use of Css to design their native apps?
I do not want to use jquery mobile because I simply don't like their design patterns.
Again, my question might seems to be foolish. What I want to use are industry standard tools to build my app, even if I have to dig into Android tutorials and learn it from scratch.
Any help ,links or guidance will be helpful.
Native apps do typically not use HTML/CSS, and instead use the widgets etc provided by the platform. That's what native means. Facebook recently switched from a web view/HTML5 implementation to native (at least on Android).

Phonegap limitations with Android

I want to develop one Android/Mobile app that should be support Video play and web services calls.
I am looking for cross platform development, for this whhich framework is better.
I heared Phonegap is best one but i want to know the limitations of phonegap and the performance of App if i select Phonegap.
Please share you Phoneegap vs Native
Can you please share your ideas, that is great help for me.
Thanks
Vakiti
PhoneGap enables you to build your application for your mobile devices using html5, css3 and javascript. It's easy to get started on any of the seven different platform. Have a look at http://phonegap.com/start for the short tutorial to get started.
There is also a similar question here at stackoverflow you might be interested in reading which compares the different framework that exist: Comparison between Corona, Phonegap, Titanium
There shouldn't be any problem adding video since PhoneGap uses HTML5, so, it supports the video tag Video tag

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