Mobile Technologies

Mobile Technologies - Upwork

Question: Which of the following widgets helps to embed images in activities?
A
ImageView

B
ImageButton

C
Both of ImageView and ImageButton

D
None

Note: Not available
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Question: What is the best way of opening camera as sub-activity?
A Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivity(takePictureIntent);

B Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
 if (takePictureIntent.resolveActivity(getPackageManager()) != null) {   startActivityForResult(takePictureIntent, 1); 
}

C Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(takePictureIntent, 1);

D Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
 if (takePictureIntent.resolveActivity(getPackageManager()) != null) { startActivityForResult(takePictureIntent, -1); 
}

Note: Not available

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Question: What is the correct way to restrict app visibility on Google Play to devices that have a camera?
A
<uses-feature android:name="android.hardware.camera"/>

B
<uses-feature android:name="android.hardware.camera" android:required="true" />

C
<uses-feature android:name="android.hardware.camera.front" android:required="true" />

D
<uses-permission android:name="android.permission.CAMERA"/>

Note: Not available
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Question: Which of the following sensors is only hardware-based?
A
linear acceleration sensor

B
gravity sensor

C
rotation vector sensor

D
accelerometer sensor

Note: Not available
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Question: Which of the following formats is not supported in Android?
A
MP4

B
MPEG

C
AVI

D
MIDI

Note: Not available
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Question: Which of the following permissions and configurations must be added in manifest file for implementing GCM Client? A) com.google.android.c2dm.permission.RECEIVE B) android.permission.INTERNET C) android.permission.GET_ACCOUNTS D) android.permission.WAKE_LOCK E) applicationPackage + ".permission.C2D_MESSAGE" F) A receiver for com.google.android.c2dm.intent.RECEIVE, with the category set as applicationPackage. The receiver should require the com.google.android.c2dm.SEND permission
A
A, B, C and D

B
C, D, E and F

C
A, B, E and F

D
All of these

Note: Not available
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Question: Which of the following permissons is needed to perform the network operations through internet? a) INTERNET b) ACCESS_NETWORK_STATE
A
a

B
b

C
both

D
noth

Note: Not available
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Question: Consider the following snippet of code:
@Override protected void onStop { Super.onStop(); SharedPreferences setting = getSharedPreferences("MyPrefs", 0); SharedPreferences.Editor editor = settings.edit(); editor.putBoolean("MyBool", true); <some more code here> }
Which of the following should be used <some more code here>?
A
editor.save(); editor.close();

B
editor.save(); editor.finish();

C
editor.commit();

D
editor.save();

E
editor.close();

F
editor.finish();

Note: Not available
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Question: What does the following statement define? It provides query(), insert(), update(), and delete() methods for accessing data from a content provider and invokes identically-named methods on an instance of a concrete content provider.
A
CursorLoader

B
ContentResolver

C
ContentProvider

D
Loader

Note: Not available
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Question: What is the advantage of using AsyncTaskLoader instead of AsyncTask?
A
a bit easier to work with

B
the possibility easily update progress bar

C
no comparison, because it implements completely different functionality

D
less work with the configuration of application

Note: Not available
1. Report

First Prev 1 2 3 4 Next Last

Question: Which of the following widgets helps to embed images in activities?

Question: What is the best way of opening camera as sub-activity?

Question: What is the correct way to restrict app visibility on Google Play to devices that have a camera?

Question: Which of the following sensors is only hardware-based?

Question: Which of the following formats is not supported in Android?

Question: Which of the following permissons is needed to perform the network operations through internet? a) INTERNET b) ACCESS_NETWORK_STATE

Question: What does the following statement define? It provides query(), insert(), update(), and delete() methods for accessing data from a content provider and invokes identically-named methods on an instance of a concrete content provider.

Question: What is the advantage of using AsyncTaskLoader instead of AsyncTask?