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2014/10/16 ¤W¤È 08:12:31
android Programming Glossary: diskWhere does Android emulator store SQLite database? http://stackoverflow.com/questions/1510840/where-does-android-emulator-store-sqlite-database map to a directory on your hard drive. The emulator's disk image is stored as an image file which you can manage through..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android uses is really not clear. Add on top of that paging out to disk let alone swap which we don't use on Android and it is even.. amount of RAM inside the process that can not be paged to disk it is not backed by the same data on disk and is not shared.. not be paged to disk it is not backed by the same data on disk and is not shared with any other processes. Another way to look..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android if 100 threads have one db instance calls to the actual on disk database are serialized. So one helper one db connection which..
Play audio file from the assets directory http://stackoverflow.com/questions/3289038/play-audio-file-from-the-assets-directory asset directory contents are not actually 'real files' on disk. All of them are put together one after another. So if you do..
Android apps, communicating with a device plugged in the USB port http://stackoverflow.com/questions/3803871/android-apps-communicating-with-a-device-plugged-in-the-usb-port . When I plug it in the phone gives me 4 options charge disk drive HTC sync tethering which makes me think this is not doable..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime resizing an image at runtime I have a image file on the disk and I am resizing the file and saving it back to disk as a new.. the disk and I am resizing the file and saving it back to disk as a new image file. For the sake of this question I am not.. are saved with this distortion as I can pull them off the disk and look at them on my computer and they still have the same..
http://stackoverflow.com/questions/4349075/bitmapfactory-decoderesource-returns-a-mutable-bitmap-in-android-2-2-and-an-immu bitmap. A source bitmap is raw saved RandomAccessFile on disk no ram memory then source bitmap is released now there's no..
How to programmatically tell if a Bluetooth device is connected? (Android 2.2) http://stackoverflow.com/questions/4715865/how-to-programmatically-tell-if-a-bluetooth-device-is-connected-android-2-2 watch the Bluetooth API and write the device states to disk for your application to use at a later date. share improve..
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities to Serializable . Share data without persisting to disk It is possible to share data between activities by saving it.. happen. To avoid such cases you either persist objects to disk or check data before using it to make sure its valid. Use a.. all depends on your specific problem. Persist objects to disk The idea is to save the data in disk before launching the other..
Android: simple export and import of sqlite database http://stackoverflow.com/questions/6540906/android-simple-export-and-import-of-sqlite-database error code 11 database disk image is malformed If I look at the raw database file in a SQLite..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables moot as anything that ever needed to be persisted to disk should not be stored through an Application subclass. It is..
What is the most appropriate way to store user settings in Android application http://stackoverflow.com/questions/785973/what-is-the-most-appropriate-way-to-store-user-settings-in-android-application
Where does Android emulator store SQLite database? http://stackoverflow.com/questions/1510840/where-does-android-emulator-store-sqlite-database improve this question The filesystem of the emulator doesn't map to a directory on your hard drive. The emulator's disk image is stored as an image file which you can manage through either Eclipse look for the G1 looking icon in the toolbar..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android across multiple processes. So how much memory a processes uses is really not clear. Add on top of that paging out to disk let alone swap which we don't use on Android and it is even less clear. Thus if you were to take all of the physical RAM.. metric here is PrivateDirty which is basically the amount of RAM inside the process that can not be paged to disk it is not backed by the same data on disk and is not shared with any other processes. Another way to look at this is the.. is basically the amount of RAM inside the process that can not be paged to disk it is not backed by the same data on disk and is not shared with any other processes. Another way to look at this is the RAM that will become available to the system..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android object uses java locks to keep access serialized. So if 100 threads have one db instance calls to the actual on disk database are serialized. So one helper one db connection which is serialized in java code. One thread 1000 threads if you..
Play audio file from the assets directory http://stackoverflow.com/questions/3289038/play-audio-file-from-the-assets-directory work if you had only one file in the assets directory. The asset directory contents are not actually 'real files' on disk. All of them are put together one after another. So if you do not specify where to start and how many bytes to read the..
Android apps, communicating with a device plugged in the USB port http://stackoverflow.com/questions/3803871/android-apps-communicating-with-a-device-plugged-in-the-usb-port cell phone wants I don't need any data sent from PC to phone . When I plug it in the phone gives me 4 options charge disk drive HTC sync tethering which makes me think this is not doable but still worth the shot. 2 Would it be possible for an..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime problems when resizing an image at runtime I have a image file on the disk and I am resizing the file and saving it back to disk as a new image file. For the sake of this question I am not bringing.. when resizing an image at runtime I have a image file on the disk and I am resizing the file and saving it back to disk as a new image file. For the sake of this question I am not bringing them into memory in order to display them on the screen.. here android quality of the images resized in runtime They are saved with this distortion as I can pull them off the disk and look at them on my computer and they still have the same issue. I am using code similar to this Android Strange out..
http://stackoverflow.com/questions/4349075/bitmapfactory-decoderesource-returns-a-mutable-bitmap-in-android-2-2-and-an-immu found an acceptable solution that uses only the memory of one bitmap. A source bitmap is raw saved RandomAccessFile on disk no ram memory then source bitmap is released now there's no bitmap at memory and after that the file info is loaded to another..
How to programmatically tell if a Bluetooth device is connected? (Android 2.2) http://stackoverflow.com/questions/4715865/how-to-programmatically-tell-if-a-bluetooth-device-is-connected-android-2-2
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities harder to implement but it has considerable speed gains compared to Serializable . Share data without persisting to disk It is possible to share data between activities by saving it in memory given that in most cases both activities run in the.. yours or Application will be gone and bad things could happen. To avoid such cases you either persist objects to disk or check data before using it to make sure its valid. Use a singleton class Have a class to whole the data public class.. not have to pass the object id using the intent ™s extras. It all depends on your specific problem. Persist objects to disk The idea is to save the data in disk before launching the other activity. Advantages you can launch the activity from other..
Android: simple export and import of sqlite database http://stackoverflow.com/questions/6540906/android-simple-export-and-import-of-sqlite-database 33 38.831 ERROR SQLiteOpenHelper 23570 android.database.sqlite.SQLiteDatabaseCorruptException error code 11 database disk image is malformed If I look at the raw database file in a SQLite browser it looks fine. java android database sqlite ..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables below related to Applications being killed at any time etc... moot as anything that ever needed to be persisted to disk should not be stored through an Application subclass. It is meant to be a solution for storing temporary easily re creatable..
What is the most appropriate way to store user settings in Android application http://stackoverflow.com/questions/785973/what-is-the-most-appropriate-way-to-store-user-settings-in-android-application
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