What is the correct way to check if a Compass sensor is present on the system? Explain your answer.

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What is a job scheduling?

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The last callback in the lifecycle of an activity is onDestroy(). The system calls this method on your activity as the final signal that your activity instance is being completely removed from the system memory. Usually, the system will call onPause() and onStop() before calling onDestroy(). Describe a scenario, though, where onPause() and onStop() would not be invoked.

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Can you play android 2.1 games on android 2.2?

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Explain me what is an intent?

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Under what condition could the code sample below crash your application? How would you modify the code to avoid this potential problem? Explain your answer.     Intent sendIntent = new Intent();     sendIntent.setAction(Intent.ACTION_SEND);     sendIntent.putExtra(Intent.EXTRA_TEXT, textMessage);     sendIntent.setType(HTTP.PLAIN_TEXT_TYPE); // "text/plain" MIME type     startActivity(sendIntent);

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What is oxygen os?

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What is a service?

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What are the four asynctask methods that must be overridden?

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Explain the ontrimmemory() method?

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What do you mean by android sdk?

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What is sensormanager?

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