How do I speed up load times for Sencha Touch - sencha-touch-2

I am currently developing a Sencha Touch application using Cloud 9 IDE. I created the app on my local machine and later imported the project to Cloud 9. Everything works fine but an annoyance that happens is the load times for my page are greater than a minute. I think it has to do with all the files that are being individually loaded.
What is the best way to speed up the sdk load times? I am unsure how to use the sdk tools and do not know if you can even install them into Cloud 9. Would it be better to abandon the sdk tools and load Sencha manually?

Key is to minify & aggregate all the JS & CSS so that less number of bytes are transferred in less number of http calls. Sencha Cmd has the feature to do all this and create a packaged build to load fast, here is what you have to do from your app directory:
sencha app build package
This will create .>build>package folder with minified version of your app.
For more details read http://docs.sencha.com/touch/2-1/#!/guide/command and look at this http://vimeo.com/55148644 for illustration

Related

Nuxt & Capacitor - Unable to add android support

I have a Nuxt 2 app. I'm following the docs to add Capacitor and Android Support.
Everything is fine up to the point of running npx cap add android. The android folder is generated however there are errors in the terminal
√ Adding native android project in android in 342.51ms
√ Syncing Gradle in 944.40μp
√ add in 345.44ms
× copy android - failed!
[error] The web assets directory (.\.nuxt) must contain an index.html file.
It will be the entry point for the web portion of the Capacitor app.
√ Updating Android plugins in 33.68ms
× update android - failed!
[error] Error: ENOENT: no such file or directory, open
'<sourceroot>\android\app\src\main\assets\capacitor.plugins.json'
I’m not running Nuxt in static mode (due to routes and content pulled in dynamically from a CMS). So I run nuxt build which generates the output into a folder named .nuxt by default.
However nuxt build doesn’t create an index.html as an entry point, the nuxt build actually states Entrypoint app = server.js server.js.map. Hence the error above where it can’t find index.html in the .nuxt directory.
Does anyone know a way to resolve this? Or have implemented Capacitor with a Nuxt SPA?
I’ve found resources when using nuxt generate for a static app but not nuxt build for a spa like in my case.
I have a Nuxt2 web app with servers (app server and separate API server), also deployed as an Android app on the Play Store (in alpha testing). Both app flavours look and behave identical and use the same API server, as I desire.
IMHO, in the lifetime of your (universal) app, BOTH build and generate will get leveraged:
build, likely by whatever web app host you use (ie AWS, Heroku, etc), during deployment of the web app.
generate by yourself, when you're ready to submit to the app stores (Apple, Google, etc), making use of Capacitor.
Let's say you have a new feature to add to the app. On that day, you make git commits and increment your version number and when you're ready to deploy the update...
For the web app...
Make commit(s) and version number change
Deploy to your app host, which for most people, will also run the build step for you
The only time I ever run build locally is when I need to make final tests, troubleshoot bugs or make optimizations (e.g. lower final package size).
For the Android or iOS apps...
Make commit(s) and version number change
nuxt generate
Run Capacitor sync (however which way you do it (for me I use: npx cap sync)
Prepare the app store build & submit (however which way you do it)
What nuxt generate does for you, and what Capacitor needs, is a fully rendered snapshot of all your app views together, all at once. It's the equivalent of a web app user opening all your app's views all at once (e.g. 50 browser tabs), pulling all components/styles/etc into their local browser. This fully rendered app state ultimately gets bundled and is what will get submitted to the app store(s).
In Nuxt docs and terminal output, they seem to strongly suggest that if you're using nuxt generate, that you want to be using target: static, however I will say you should completely ignore this advice. Static is what you'd consider if you had a "brochureware" website or some recipe book app that you update once-in-awhile. It goes as far as in the terminal output of nuxt generate, even if I have target: server defined, you'll still see a line saying something along the lines of "Outputting for target static...". Just ignore it.
There is hardly anything static about a typical universal web app.
I personally use target: server with nuxt generate and I haven't seen any problems in the app (web or Android version).

How to fix optimazition error publish in play store

my apk is 1.4MB but error is "This APK results in unused code and resources being sent to users. Your app could be smaller if you used the Android App Bundle. By not optimizing your app for device configurations, your app is larger to download and install on users' devices than it needs to be. Larger apps see lower install success rates and take up storage on users' devices."
how to fix this error
It's only a warning, not an error.
For an app that small I wouldn't worry.
It's not something that's made its way into the Ionic ecosystem yet but I heard that if you open up your project in Android Studio and then do the build through there you can create an app bundle.
I'm not totally sure that its fully tested for Ionic so you might have issues with this, but Android have published a full guide:
https://developer.android.com/guide/app-bundle#get_started
This is what they say:
Download Android Studio 3.2 or higher—it's the easiest way
to add dynamic feature modules and build app bundles.
Add support for Dynamic Delivery
by including a base module, organizing code and resources for configuration
APKs, and, optionally, adding dynamic feature modules.
Build an Android App Bundle using Android Studio.
If you're not using the IDE, you can instead build an app bundle from the
command line.
Test your Android App Bundle by using it to generate APKs that
you deploy to a device.
Enroll into app signing by Google Play.
Otherwise, you can't upload your app bundle to the Play Console.
Publish your app bundle to Google Play.

How to reduce the size of Sencha Touch Application?

I am building a Sencha Touch application. Even the most basic application is of size 27 MB. Now I want to commit the code online. The touch folder inside the application is of 20 MB which is way too much.
So how can I compress my application and reduce the size of my application?
use sencha cmd to minify to one js file.
from the application's root in the terminal or command prompt, run "sencha app build production" or "sencha app build testing" dependent on if you want the source code minified also.
Make sure you have sencha cmd installed first.
Also make sure each of your classes is requiring only the source components you need. What you're doing right now is deploying every single line of sencha touch, whereas in reality, if you're not using the carousel component, for instance, you don't need this in your deployed app.
Requiring in the classes you need only, and then building the app file in this way, will give you a nice compact single js file that is many many times smaller.
At first, what do you want is not clear. Why you want to compress the application?
If you want to run it on device, you can minify it using sencha cmd. From within your application folder run this command
sencha app build production
and you can see your app size(build version) will reduce drastically. Further you can make apk and/or ipa with this build version only.

How can I speed up debugging in Sencha Touch?

I'd like to be able to speed-up the debugging process when building Sencha Touch apps. At the moment I have to disable caching as any changes I make to the source would not get updated when refreshing the application and I also want to persist breakpoints in Chrome.
How can I both cache the files that are unlikely to change but refresh those that do?
Currently, when I press Ctrl+F5, it takes 4-5 seconds to load the app. It's loading all the Sencha Touch required .js files as well as any for the app itself. I think what I would like to do is cache on a path basis, so any files on the sencha touch source folder are cached and not re-loaded, but app files aren't.
try using an application cache manifest you can learn to configure one here. Application cache is not for folders though but for files so you have to include all files that you want to be cached permanantly.

How can I compress Titanium Application Size after building it?

I built a Login application in which I have 3 Windows
Log In Windows
Registration Windows
After Log in details window about the user
In this application, the database stores data about user. The app is intended to be multi-platform & run on iPhone or Android.
When I install in device than it take 12MB or more Size (application size 12MB or more size).
How can I compress it?
Here are several things you can try:
Create a new Titanium project and deploy it to your device. This is likely the minimum size you can attain. Add this minimum size to the size of your Resources folder and the result should be around the same as 12mb. If so, there is little more you can do.
Check your Resources folder and remove anything that you don't want included in your app, such as .psd files. The build folders you mentioned in your comments have little to do with the actual app size.
Make sure you have not installed any modules. Check /Library/Application Support/Titanium/modules for any modules that shouldn't be there. I have 14 modules there by default, for example.
If you are very desperate, you can attempt to hack in Xcode to remove classes that you aren't using. See the responses by the "professional" developer here http://developer.appcelerator.com/question/133971/why-are-the-size-of-titanium-showcase-apps-so-small#answer-233668 This won't be easy and should only be attempted as a last resort.
In general however, there is no need to try too hard to reduce the file size. From my experience, even after adding a lot more windows and functionality, the file size barely increases by a couple of MB.
Also, note that your release file size can be smaller than the app you are testing on your device. See http://developer.appcelerator.com/question/126632/android-apk-filesize
From my experience with Android, if you are running the application on the device, vs. deploying the application, the app size is much larger. Try deploying and installing on device that way to see if it is any different. But Titanium already compresses the application.
Here are few questions which might become answer.
Are you using Mac for both Android and iPhone deployment. If so, the Android App would be of larger size compared to the same App deployed from Windows.
You might have splash screen, now go and check your folder here that you have any other JPEG files apart from the spash screen and ico file
\build\android\res\drawable
Which version of Titanium SDK are you using for building the Application? Try to compile the same Application using Titanium SDK 1.7.5, if you are using 1.8.1 and above.
Note: If you are trying to compile your App in Titanium SDK 1.7.5 for Mac, make sure you have XCode 4.2.1 for Lion and Not XCode 4.3.