Question-31. How is the use of web view in Android ?
Answer- WebView is UI component that can display either remote web-pages or static HTML.
Question-32. Why can’t you run java byte code on Android ?
Answer- Android uses DVM (Dalvik Virtual Machine ) rather using JVM(Java Virtual Machine), if we want, we can get access to .jar file as a library.
Question-33. How does android track the application on process ?
Answer- Android provides a Unique ID to all applications is called as Linux ID,this ID is used to track each application.
Question-34. How to change application name after its deployment ?
Answer- It’s not truly recommended to change application name after it’s deployment, if we change, it will impact on all other internal components.
Question-35. Define the application resource file in android ?
Answer- JSON,XML bitmap.etc are application resources. You can injected these files to build process and can load them from the code.
Question-36. How to launch an activity in android ?
Answer- Using with intent, we can launch an activity.
Intent intent = new Intent(this, MyTestActivity.class);
startActivity(intent);
Question-37. How do you pass the data to sub-activities android ?
Answer- Using with Bundle, we can pass the data to sub activities.
Bundle bun = new Bundle();
bun.putString("EMAIL", "contact@tutorials.com");
Question-38. What is singleton class in android ?
Answer- A class which can create only an object, that object can be share able to all other classes.
Question-39. What is fragment in android ?
Answer- Fragment is a piece of activity, if you want to do turn your application 360 degrees, you can do this by fragment.
Question-40. What is sleep mode in android ?
Answer- Sleep mode mean CPU will be sleeping and it doesn’t accept any commands from android device except Radio interface layer and alarm.