I have written a code on in java for image view that will rotate and fade away and another image will be visible, I use imageViewer.animate.rotation(3600).alpha(0); now this works fine when I run the code on an emulator, the images fade and re-appear just fine, but the problem is about the rotation after I co…
Tag: android
Android: pass data from initial activity (launching Zxing scanner) to onActivityResult callback
I use the library zxing-android-embedded in my Android App. Before calling initiateScan() method to start the scanner from my activity, I set a class variable scanedItemId to know on which item I clicked to scan: Then I get the result via onActivityResult method. It works well but my class variable scanedItem…
Android Get Menu from Res/menu Programmatically
I am creating a custom BottomNavigation using LinearLayout. I want to use Menu as items. In Java In XBottomNavigation Can someone help me to create getMenuFromResID funtion; Answer I solved this problem using PopupMenu
Pass data from activity to recyclerAdapter – Android
I want to pass the data from the Activity containing a recyclerview to it’s recyclerAdapter class. I just want to use a String in the adapter but I don’t know how to get it from the activity. Is there any way to do this? Please keep in mind I want data from Activity to Adapter and not vice a versa
Kotlin gzip uncompress fail
I try to simplify my java gzip uncompress code to kotlin. But after I changed, it sames broken. Here is the java code This is my kotlin code. And I got this error. It seems that the decompression process was interrupted by reader? Answer The readText(charset: Charset = Charsets.UTF_8) decodes the bytes into U…
What is the proper way to set a value listener in Firebase Cloud database?
I wrote the following code: It fetches the user’s full name and image and set them in the menu. I want to set a listener to those two fields so every time there is a change in the database, it will update connectedFullName and connectedImageURL and call the setMenuAvatarImage, setMenuHeaderMessage metho…
Why is the content of CardView inside a RecyclerView (in my case) changing when I scroll?
I have the same question like this post “Cardview’s data are changed while scrolling RecyclerView”. But taking out the statics isn’t working. Context of what I am doing: I am adding a couple of buttons inside a FlexboxLayout and again inside a CardView (CardView inside a RecyclerView).…
Deleting an item (index) from SharedPreferences
I’m saving an array called semesterArray which is a List<String> semesterArray = new ArrayList<>() with the following method on SharedPreferences: The if statement is there to update the SharedPreferences, I got the idea from this StackOverflow answer. Now, the following method takes care of…
Android Studio not giving error on install of App on Vm
I recently made my project, worked fine and the recently I’ve been getting the following error: Installation failed due to: ‘closed’ Any idea on how do I go about fixing this ? If any extra info is …
How can I make SharedPreferences to update the data instead of overwriting the data and losing part of it?
I’m using the following piece of code to save an ArrayList<String> into SharedPreferences: This is somewhat getting the job done since it saves the ArrayList<String> as intended and when the app is re-launched the Semesters that were added are still stored in the ArrayList<String> as I…