android

Interview Questions and Answers

Android

Question:
What is the importance of having an emulator within the Android environment?
Answer:

The emulator lets developers "play" around an interface that acts as if it were an actual mobile device. They can write and test codes, and even debug. Emulators are a safe place for testing codes especially if it is in the early design phase.

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Android - Questions
1. What are the core components under the Android application architecture?
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2. What do you know about Intents?
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3. What is the importance of settings permissions in app development?
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4. Where are lay out details placed? Why?
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5. What are the advantages of having an emulator within the Android environment?
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6. What is the importance of Default Resources?
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7. What is adb?
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8. What role does Dalvik play in Android development?
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9. What do containers hold?
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10. What is a visible activity?
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11. What do intent filters do?
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12. How are escape characters used as attribute?
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13. When is the onStop() method invoked?
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14. Enumerate the steps in creating a bounded service through AIDL.
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15. Describe the Android Framework.
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16. What is an action?
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17. What are the four essential states of an activity?
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18. Is there a case wherein other qualifiers in multiple resources take precedence over locale?
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19. Tell us something about activityCreator?
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20. What is the difference between a regular bitmap and a nine-patch image?
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21. Which dialog boxes are supported by android?
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22. Describe a real time scenario where android can be used
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23. How do you remove icons and widgets from the main screen of the Android device?
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24. What is the proper way of setting up an Android-powered device for app development?
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25. What is AIDL?
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26. Differentiate Activities from Services.
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27. What is the importance of Android in the mobile market?
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28. What is the importance of having an emulator within the Android environment?
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29. What items are important in every Android project?
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30. What language is supported by Android for application development?
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31. Which elements can occur only once and must be present?
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32. When dealing with multiple resources, which one takes precedence?
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33. Describe Activities.
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34. What is the importance of XML-based layouts?
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35. What is ANR?
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36. How can the ANR be prevented?
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37. What is AAPT?
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38. When is the best time to kill a foreground activity?
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39. What are the key components of Android Architecture?
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40. Explain about the exceptions of Android.
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41. What is Android?
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42. What Is the Google Android SDK?
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43. What are the different states wherein a process is based?
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44. What data types are supported by AIDL?
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45. What composes a typical Android application project?
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46. What is Orientation?
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47. Do all mobile phones support the latest Android operating system?
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48. What do you think are some disadvantages of Android?
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49. What is the function of an intent filter?
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50. What is a Sticky Intent?
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