I have design one application where I have an async task to get a string value and this value I am using to update the textView in OnPostExecute(). But when I am running it I found MemoryLeak issue. Can you please tell me how to resolve that?

I have to design one application where if update us going on Screen should ON. What approach I should follow here to make Screen On.

Take a scenario where I have to design a screen in Frame Layout. In this frame layout, I have 4 child view for displaying buttons for other functionality. But when I am running it they are overlapping with each other.
Can you suggest me a solution to resolve this problem?

Explain what is ADBD tool in android how you can install it and how it will connect with Emulator.

Create an Android Activity with component like Email and Password. You need to write to code for auto fill data in field of Email and password. How you will do that.

Design one custom view for displaying TextView in UI with a attributes tribute like Title and Colour.

Take the scenario where we have two applications from the same package like Gmail and Google Calendar.  This app can share data with each other for example Gmail meeting mail will save in Google calendar. Now how we will make sure the data cannot be used by some other third party application. How you will secure your data?

Suppose if I want to change menu Item at runtime what approach I should follow?

I have created one background service playing music in the background. If I need to make Foreground what steps do I have to follow?

I have two activities: main activity as Activity A and child activity as Activity B. When I press a button Next in the ActivityA, it will call the ActivityB. Suppose I have to send data back to Activity A from Activity. How I will do that?