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(#M40158147) SAPIENT QUESTION Android Keep an EYE

Identify the correct inference from this piece of code:

public void onClick(View v){
new Runnable(){
public void run(){
Bitmap b = loadImageFromNetwork();
mImageView.setImageBitmap(b);

}
}).start():}

1) Here ImageView is manipulated on a worker thead which can cause really weird problems. Tracking down and fixing such bugs can be difficult and time consuming.

2) Here ImageView is manipulated on main thread. which is efficient & less time consuming.

3) Here ImageView is manipulated on main thread, which is asynchronous but time consuming.

4) Here ImageView is manipulated on a main thread, but this can cause weird problems. Tracking down and fixing such bugs can be difficult and time consuming.

Asked In Sapient Ashish (6 years ago)

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(#M40158146) SAPIENT QUESTION Android Keep an EYE

Answer the statements which are correct about Handler class

A. A handler object registers itself with the thread in which it is created.
B. The data which can be posted via the Handler class cannot be an instance of the Message or the Runnable class.
C. A Handler is particulary useful if you want to post data multiple times to the main thread

1) A and B
2) B and C
3) C and A
4) All of the given options

Asked In Sapient Ashish (6 years ago)

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(#M40158145) SAPIENT QUESTION Android Keep an EYE

The following syntax is used to implement loader class in Android getLoaderManager().initLoader(0,null,this);

Which of the following is correct about parameters taken by initLoader method?

1) first parameter: Unique Id
second parameter: A Bundle
third parameter: Callback class

2) first parameter: Unique Id
second parameter: CallBack class
third parameter: A bundle

3) first parameter: Callback class
second parameter: Unique id
third parameter: A bundle

4) None of the given options

Asked In Sapient Ashish (6 years ago)

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(#M40158144) SAPIENT QUESTION Android Keep an EYE

Alice is writing a listview and she wants the content of each textview to fit pertectly in all types of Android Devices.
What approch should Alice take to achieve this?

A. Alice should use wrap_content for width and height of textview.
B. Alice should use dp values for width and height of textview.
C. If textview has a background image. Alice should make sure that it is a nine-patch image.

1) Only A
2) Only B
3) Only C
4) A and C

Asked In Sapient Ashish (6 years ago)

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(#M40158143) SAPIENT QUESTION Android Keep an EYE

In Android you may find string.xml file in /X/values directory. What is X?

1) Styles
2) XML
3) Res
4) Layout

Asked In Sapient Ashish (6 years ago)

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(#M40158142) SAPIENT QUESTION Android Keep an EYE

Bob is a software engineer and works of the Government of India. The government asks him to design a small ATM printing application. Which can generate multiple types of statements of the transcation including Mini statement. Detailed statement with minimized memory consumption. How would Bob accomplish this?

1) Bob would use Factory design pattern to generate multiple types of statements and Singleton design pattern for reducing memory consumption by creating a single instance of the StatementFactory class.

2) Bob would use Material design pattern to generate multiple types of statements and Singleton design pattern for reducing memory consumption by creating a single instance of the StatementFactory class.

3) Bob would use Singleton design pattern to generate multiple types of statements and Factory design pattern for reducing memory consumption by creating a single instance of the StatementFactory class.

4) None of the given options

Asked In Sapient Ashish (6 years ago)

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(#M40158141) SAPIENT QUESTION Android Keep an EYE

Bob figured out that in his Java applications only one runtime enviroment is possible and that is actually true
Bob would like to make Runtime class a _______

1) Singleton class
2) Abstract class
3) Static classs
4) Final class

Asked In Sapient Ashish (6 years ago)

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(#M40158140) SAPIENT QUESTION Android Keep an EYE

In Which of the following situations is it best to use Singleton?

1) If an object has READ_ONLY state (all attributes are final)

2) If an obejct does not have any state (say, no attributes, only methods)

3) If an object has shared state (attributes are present, but those are modified by many of the other objects)

4) All of the given options

Asked In Sapient Ashish (6 years ago)

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(#M40158139) SAPIENT QUESTION Android Keep an EYE

Which of the following sequences of Fragment lifecycle methods is correct?

1) onAttach() --> onStart() --> onCreate() --> onCreateView() --> onActivityCreated() --> onResume()

2) onAttach() --> onCreate() --> onStart() --> onCreateView() --> onActivityCreated() --> onResume()

3) OnAttach() --> onCreate() --> onCreateView() --> onActivityCreated() --> onStart() --> onResume()

4) onAttach() -->onStart() --> onCreate() --> onActivityCreated() --> onCreatedView() --> onResumse()

Asked In Sapient Ashish (6 years ago)

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(#M40158138) SAPIENT QUESTION Android Keep an EYE

To create a fragment, which of the following options holds true?

1) Extend android.app.Fragment class
and create using code snippet below
public class Fragment_Name extends Fragment{
.....

2) Extend android.app.FragmentClass class
and create using code snippet below:
public class Fragment_Name extends Fragment{
....

3) Extend android.app.Fragment class
and create using code snippet below:
public class Fragment_Name extends FragmentClass{
....

4) None of the given options

Asked In Sapient Ashish (6 years ago)

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