I have been playing around with Android app development, particularly on how to retain UI values after configuration changes and minimizing the app to launch a different one. To retain values after configuration changes, I use ViewModels. And to retain values after minimizing the app, the following is supposed to do the trick: But in […]
Coding
DataBinderMapperImpl Error: cannot find symbol (DataBinding) //Android Kotlin Dev Diary
Today I encountered the following error as I was building an Android app: Turns out, there’s an error in the related XML file, activity_main.xml! 😂 For other possible solutions, this StackOverflower answer may help: android: data binding error: cannot find symbol class
Cannot access ‘‘: it is private in ‘MoshiConverterFactory’ //Android Kotlin Dev Diary
I’m starting a new category on my blog — Dev Diary, to document some of the errors that I encounter and what I did to fix them. I’m doing this in hopes of helping developers (including my future self!) as they work with code (and to get more blog visits! LOL). It’s nice to save […]
Get “order” object/details from Thank You page of WooCommerce (WordPress)
It’s been a long while since I last posted anything related to coding. I haven’t really stopped, but from Android app development, I switched back to PHP. Life has become occupied with other things, but when I do code, it’s in WordPress with WooCommerce. It’s for my online shop. In my opinion, WordPress is not […]
Git/Bitbucket: Resolving “fatal: unable to create thread: Resource temporarily unavailable” error during push
I’ve been trying to push a new WordPress site’s codebase to my Bitbucket Git repository but it kept on failing with the following error messages: I was trying to push my codebase from my server (hosted by Namecheap) to Bitbucket. The solution to make the push work was to enter the following through command line […]
Android Kotlin: ‘getter for position int’ is deprecated. deprecated in java
Today I encountered a deprecation warning as I’m coding the app: ‘getter for position int’ is deprecated. deprecated in java And I was like, whoa, this wasn’t deprecated a couple of months back when I last touched Android code… this is how long I’ve missed out! 😂😂😂 I haven’t touched any app code for a […]
Android Kotlin: “overrides nothing” error appears on instantiateItem() function of PagerAdapter
I just began learning Kotlin for work and one of the first errors I encountered is “overrides nothing” pointing at the overrides of the function instantiateItem() for my PagerAdapter The function/method signature was like this: override fun instantiateItem(parent: ViewGroup?, position: Int): Any { To fix the error, I simply removed the question mark from the […]
Laravel 5.X directory permissions / ownership setup
According to the Laravel docs, “After installing Laravel, you may need to configure some permissions. Directories within the storage and the bootstrap/cache directories should be writable by your web server or Laravel will not run”. After running this command to install Laravel via Composer:
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composer create-project --prefer-dist laravel/laravel blog |
Change directory ownership by running these commands:
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sudo chown -R www-data:www-data /path/to/your/project/storage sudo chown -R www-data:www-data /path/to/your/project/bootstrap/cache |
Then you […]
Android: Facebook SDK “Invalid Key Hash” on Ubuntu
I kept getting a different Facebook key hash from the one being actually generated by my debug app when it runs. Turns out I’ve been entering the wrong keystore password. To get your key hash for Facebook SDK on Ubuntu, run the following command:
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keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64 |
In case you don’t have the keytool program yet, you’ll […]
Android: SharedPreferences not accessible from SyncAdapter
When I was trying to access a SharedPreferences value from my Android app’s SyncAdapter, I kept on receiving an old value that was saved to the key. Quick solution to inaccessible SharedPreferences from SyncAdapter A quick solution (which may be a short-term one) I tried was to remove android:process=”:sync” from the following code:
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<service android:name=".service.SyncService" android:exported="true" android:process=":sync"> |
But […]