android.support.design.widget.CoordinatorLayout error
You need to use androidx component Use Instead of Use Instead of Use Instead of For FloatingActionButton use
android
Re-enable “component tree” in Android Studio
If you are looking for the component tree, go on the bottom left of Android Studio then click on the square (the one who show/hide the tool on the left, bottom and right) then on Designer. A new tab should be on the right part of android studio, with gradle and maver project.
Android Studio – Emulator – eglSurfaceAttrib not implemented
I’ve found the same thing, but only on emulators that have the Use Host GPU setting ticked. Try turning that off, you’ll no longer see those warnings (and the emulator will run horribly, horribly slowly..) In my experience those warnings are harmless. Notice that the “error” is EGL_SUCCESS, which would seem to indicate no error at all!
Scrollview can host only one direct child
Wrap all the children inside of another LinearLayout with wrap_content for both the width and the height as well as the vertical orientation.
How to open adb and use it to send commands
You should find it in : Add that to path, or change directory to there. The command sqlite3 is also there. In the terminal you can type commands like
How to set menu to Toolbar in Android
just override onCreateOptionsMenu like this in your MainPage.java
How to extract or unpack an .ab file (Android Backup file)
As per https://android.stackexchange.com/a/78183/239063 you can run a one line command in Linux to add in an appropriate tar header to extract it. Replace backup.ab with the path to your file.
What is Activity.finish() method doing exactly?
When calling finish() on an activity, the method onDestroy() is executed. This method can do things like: Dismiss any dialogs the activity was managing. Close any cursors the activity was managing. Close any open search dialog Also, onDestroy() isn’t a destructor. It doesn’t actually destroy the object. It’s just a method that’s called based on a certain state. So your instance … Read more
Why am I getting Permission Denied when trying to push a Sqlite file to my rooted Android device?
‘adb push’ cannot push to data/data/ directory. However, you can do it by using a transfer station like this: adb shell It works for me,good luck to you.
android.content.res.Resources$NotFoundException: String resource ID #0x0
Change To There are different versions of setText – one takes a String and one takes an int resource id. If you pass it an integer it will try to look for the corresponding string resource id – which it can’t find, which is your error. I guess app.getTotalDl() returns an int. You need to specifically tell setText to set it … Read more