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The onDestroy() method is the last call before an activity is destroyed. It is called by the user or the system and is used to finish up the activity. The onDestroy() method closes open readers, writers, and connections. The user can override this method to make sure the app closes properly. In addition to closing …

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If you have downloaded the Android SDK on your PC, you may wonder: Can I delete it? The answer is yes. You can delete the application from your PC’s C: drive, if necessary. If you have installed the SDK on your PC, you may also want to delete some of its components. These files may …

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