android

Interview Questions and Answers

Android

Question:
Which elements can occur only once and must be present?
Answer:

Among the different elements, the and elements must be present and can occur only once. The rest are optional, and can occur as many times as needed.

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Android - Questions
1. What do you know about Intents?
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2. How are escape characters used as attribute?
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3. What is the importance of Default Resources?
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4. What are the core components under the Android application architecture?
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5. What do containers hold?
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6. When is the onStop() method invoked?
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7. Enumerate the steps in creating a bounded service through AIDL.
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8. What is the importance of settings permissions in app development?
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9. Where are lay out details placed? Why?
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10. Is there a case wherein other qualifiers in multiple resources take precedence over locale?
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11. What role does Dalvik play in Android development?
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12. What is a visible activity?
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13. What are the advantages of having an emulator within the Android environment?
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14. What do intent filters do?
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15. What is the importance of having an emulator within the Android environment?
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16. What is the Android Architecture?
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17. What is the proper way of setting up an Android-powered device for app development?
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18. Describe a real time scenario where android can be used
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19. Describe the Android Framework.
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20. What is the importance of Android in the mobile market?
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21. How do you remove icons and widgets from the main screen of the Android device?
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22. Describe Android Application Architecture.
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23. Tell us something about activityCreator?
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24. What is portable wi-fi hotspot?
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25. Which dialog boxes are supported by android?
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26. What is Orientation?
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27. What are the four essential states of an activity?
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28. What is AIDL?
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29. What is the difference between a regular bitmap and a nine-patch image?
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30. What is the use of an activityCreator?
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31. What items are important in every Android project?
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32. What is adb?
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33. Is it possible to use or add a fragment without using a user interface?
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34. What is AAPT?
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35. What is the function of an intent filter?
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36. What Is the Google Android SDK?
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37. What is an action?
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38. What is an Implicit Intent?
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39. What are containers?
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40. When does ANR occur?
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41. What is AIDL ?
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42. Enumerate the three key loops when monitoring an activity
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43. What composes a typical Android application project?
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44. What are the different states wherein a process is based?
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45. What is a Fragment?
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46. What is a Sticky Intent?
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47. What is ANR?
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48. Which elements can occur only once and must be present?
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49. How can the ANR be prevented?
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50. When is the best time to kill a foreground activity?
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