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2021 Aug AND-401 free question
Q21. In which Activity life-cycle method you should do all of your normal static set up such as: creating views and bind data to lists?
A. onResume()
B. onStart()
C. onCreate()
D. onPause()
Answer: C
Q22. Which of the following you cannot achieve by creating your own View sub-classes?
A. Create a completely new customized View type.
B. Combine a group of View components into a new single component.
C. Specify when to destroy an activity and all its views.
D. Override the way that an existing component is displayed on the screen.
Answer: C
Q23. What method you should override to use Android menu system?
A. onCreateOptionsMenu()
B. onCreateMenu()
C. onMenuCreated()
D. onMenuCreated()
Answer: A
Q24. Consider the following code snippet:
String[] result_columns = new String[]{KEY_ID, COL1, COL2};
Cursor allRows = myDatabase.query(true, DATABASE_TABLE, result_columns,
null,null,null,null,null,null);
Which of the following prints out the values of COL1 column correctly if the result is not empty?
A. if (cursor.moveToFirst()) {do {System.out.println(cursor.getString(1));}while (cursor.moveToNext()); }
B. do {System.out.println(cursor.getString(0));}while (cursor.moveToNext());
C. if (cursor.moveToFirst()) {do {System.out.println(cursor.getString(0));}while (cursor.moveToNext()); }
D. if (cursor != null) {do {System.out.println(cursor.getString(1));}while (!cursor.isNull()); }
Answer: A
Q25. Which of the following is a Java call-back method invoked when a view is clicked?
A. Detector
B. OnTapListener
C. OnClickDetector
D. OnClickListener
Answer: D
Avant-garde AND-401 practice question:
Q26. Which of the following are primary pieces of information that are required to define in an implicit Intent?
A. An action to be performed and data to operate on.
B. An action to be performed and a category for additional information.
C. A Bundle for extra data.
D. A category of additional information and data to operate on.
Answer: A
Q27. Which of the following is NOT true about method getWindow() of class Dialog do?
A. It retrieves the current window for the activity.
B. It can be used to access parts of the Windows API.
C. It displays the dialog on the screen.
D. It returns null if the activity is not visual.
Answer: C
Q28. Which of the following is the correct way to add access permission to your application?
A. Add a <uses-permission> tag as a child tag of the <manifest> tag in AndroidManifest.xml.
B. Add a <add-permission> tag as a child tag of the <manifest> tag in AndroidManifest.xml.
C. Add a <uses-permission> tag as a child tag of the <application> tag in AndroidManifest.xml.
D. add a <permission> tag as a child tag of the <application> tag in AndroidManifest.xml.
Answer: A
Q29. Which of the following is NOT a valid usage for Intents?
A. Activate and Activity.
B. Activate a Service.
C. Activate a Broadcast receiver.
D. Activate a SQLite DB Connection.
Answer: D
Q30. Which of the following is a correct Android Manifest statement?
A. <uses-permission android:name =”android.Internet”/>
B. <uses-permission android:name =”android.Internet”></uses-permission>
C. <uses-permission android:name =”android.permission.Internet”>
D. <uses-permission android:name =”android.permission.Internet”/>
Answer: D