i just try to convert my old android project in java to Kotlin and also add google Android Architecture Components to my project : and then when i run app faced with this errors : and this : how to fix that? thanks Answer By Updating LifeCycle Libs to Alpha 9 Problem Solved.
Tag: android
Gradle – Error Could not find method implementation() for arguments [com.android.support:appcompat-v7:26.0.0]
I am trying to open existing android project in android studio and it gradle cannot build the app without the error Error android studio keeps on throwing My Code in build.gradle Which can help to understand my issue My dependencies Please help to solve the issue Answer Replace compile with implementation. co…
Is there an easy to use class for sqllite database management for java
Is there a prepared class for sqllite in java/android studio to accelerate development like Medoo in php? Answer You can use ORM database libraries. It is some of them: GreenDao Room And so on.
Android Room Persistence Library : What is the best way to implement a many to many relation?
I used to use Realm and I am currently testing Room in order to compare both tools. I am trying to implement the following many to many relation : Here my Entity classes : The Person : @Entity(…
Read/Write Certificate Signing Request on Android (spongycastle)
I try to write code on Android to generate RSA key-pair and then generate Certificate Request file (.csr) like this image below: First I use spongycastle lib to generate Key Pair (public key and private key) Then I use CSRHelper class I found on this link to generate: byte CSRder[]: I write code to write byte…
Inserting imageview inside edittext android
I want to place imageview inside edittext. Would it be possible? I checked “evernote” application, and it was able to put photo on the edittext part. I want to make my application exactly as same. How would I be able to put imageview that was chosen from the gallery, and place the photo inside edi…
How to convert date time in hex in android
I need to convert date and time in hex code for writing it on IOT device. Here is my code It is returning 11 digits hex code I need 8 digits, just like date and time in hex is 47C7EDE0 for this date 12:34:56 29/Feb/2008 Please help Answer Try this:
Can’t display adMob banners on my activity
I want to display ads on my activity. For this I added next lines on manifest: on activity xml have: and on activity: I have added unit Ad ID on string banner_ad. Despite my efforts, I can not show anything on adView. All work perfect for debug mode. Just on debug mode. Any suggestion please? Answer When crea…
I tried using a handler, but it said ‘cannot resolve symbol”Handler”‘
What do i do to be able to use a handler to update my TextView every 2 secs because right now it comes up with ‘cannot resolve symbol”Handler”‘ Answer Check your activity imports and add this line to the class:
Exclude one class file in gradle Android Studio
In my projects, I need to import third party jar file and Facebook SDK. Both include same BundleJSONConverter class. So, I cannot do generate signed APK. It always shows duplicate entry com/facebook/internal/BundleJSONConverter. So, I want to exclude in Facebook or SkinSDK.jar. I tried like It’s not wor…