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Tag: android-studio

addView adds the view but it’s not showing it

I know this has already been asked, but I tried everything and I couldn’t solve my problem. When I create the views programmatically, they are definitely added. I checked in the debugger and everything is in it’s place, even the parent view gets bigger in height because they are using space. But I…

adb logcat returns “Logcat read failure”

After noticing that Logcat messages were not showing up in Android Studio, I tried every solution out there, and nothing worked. I eventually tried the command adb devices and sure enough my device was there, but as soon as I tried adb logcat it returned “logcat read failure”. Developer settings a…

NullPointerException on validating email

I am writing a unit test to check the email validation logic. The logic is throwing null pointer exception when you run the test. But it works fine with emulator. Can someone help me solving this? Below is my unit test. The error I am getting is, Answer android.util.Patterns.EMAIL_ADDRESS.matcher(email).match…

Android Studio FloatingActionButton error

I installed Android Studio yesterday, and after battling multiple java and other errors, I have come to an error that I cannot seem to fix. I have not added anything or done any code, I have simply just started a new project and I get this error in the Preview over the phone: Rendering Problems: Followed by a…

valid JSON response issue [closed]

Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 years ago. Improve this question I hav…