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2014/10/16 ¤W¤È 08:10:32
android Programming Glossary: betweenAndroid - what's the difference between the various methods to get a Context? http://stackoverflow.com/questions/1026973/android-whats-the-difference-between-the-various-methods-to-get-a-context what's the difference between the various methods to get a Context In various bits of Android.. article a little bit further tells about the difference between the two and when you might want to consider using the application..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android 13 the screen size also changes when the device switches between portrait and landscape orientation. Thus if you want to prevent..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations Android BlackBerry driving directions route between two locations On Android 1.0 there was a com.google.googlenav.. is also lack of APIs for such stuff how to find the route between two places in Blackberry csie tw gives a workaround query gmaps..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android between px dp dip and sp in Android Can anyone explain the differences.. dip and sp in Android Can anyone explain the differences between the px dip dp and sp units in Android android units of measurement..
How do I pass data between activities in Android? http://stackoverflow.com/questions/2091465/how-do-i-pass-data-between-activities-in-android do I pass data between activities in Android I have a scenario where after logging..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android ViewTreeObserver and from there calculate the size diff between your activity's view root and the window size final View activityRootView..
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 int otherSharedDirty But as to what the difference is between Pss PrivateDirty and SharedDirty ... well now the fun begins... to see the total RAM they are using and compare pss between processes to get a rough idea of their relative weight. The..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android thread 1000 threads if you use one helper instance shared between them all of your db access code is serial. And life is good..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser Of course if you want to provide tight integration between your website and your app you can define your own scheme intent..
Get filename and path from uri from mediastore http://stackoverflow.com/questions/3401579/get-filename-and-path-from-uri-from-mediastore I guess MediaStore doesn't keep its numbering the same between reboots. android uri absolute path mediastore share improve..
Android - gravity and layout_gravity http://stackoverflow.com/questions/3482742/android-gravity-and-layout-gravity i am confused regarding these both. what is the difference between the usage of android gravity and android layout_gravity android..
Background task, progress dialog, orientation change - is there any 100% working solution? http://stackoverflow.com/questions/3821423/background-task-progress-dialog-orientation-change-is-there-any-100-working all work. onProgressUpdate and onPostExecute are suspended between the start of onRetainNonConfigurationInstance and the end of..
What does android:layout_weight mean? http://stackoverflow.com/questions/3995825/what-does-androidlayout-weight-mean question With layout_weight you can specify a size ratio between multiple views. E.g. you have a MapView and a table which should..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser Start Document End Element Start Element End Characters between Element Start and Element End An example handler implementation..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context pass the ServiceConnection i.e. the handle to the binding between Activity instances via onRetainNonConfigurationInstance . Android..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for of the activity to save space. You can distinguish between these two scenarios with the isFinishing method. EDIT When the..
Android - what's the difference between the various methods to get a Context? http://stackoverflow.com/questions/1026973/android-whats-the-difference-between-the-various-methods-to-get-a-context what's the difference between the various methods to get a Context In various bits of Android code I've seen public class MyActivity extends Activity.. two kinds of Context Activity and Application. Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context Activity.getApplicationContext rather than using..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android Caution Beginning with Android 3.2 API level 13 the screen size also changes when the device switches between portrait and landscape orientation. Thus if you want to prevent runtime restarts due to orientation change when developing..
J2ME/Android/BlackBerry - driving directions, route between two locations http://stackoverflow.com/questions/2023669/j2me-android-blackberry-driving-directions-route-between-two-locations Android BlackBerry driving directions route between two locations On Android 1.0 there was a com.google.googlenav namespace for driving directions Route Improved Google Driving.. since API 1.0 how to do it in 1.5 1.6 On BlackBerry there is also lack of APIs for such stuff how to find the route between two places in Blackberry csie tw gives a workaround query gmaps for kml file and parse it Android Driving Direction Route..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android between px dp dip and sp in Android Can anyone explain the differences between the px dip dp and sp units in Android android units.. between px dp dip and sp in Android Can anyone explain the differences between the px dip dp and sp units in Android android units of measurement share improve this question px is one pixel. sp is..
How do I pass data between activities in Android? http://stackoverflow.com/questions/2091465/how-do-i-pass-data-between-activities-in-android do I pass data between activities in Android I have a scenario where after logging in through a login page there will be sign out button on each..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android say '@ id activityRoot' hook a GlobalLayoutListener into the ViewTreeObserver and from there calculate the size diff between your activity's view root and the window size final View activityRootView findViewById R.id.activityRoot activityRootView.getViewTreeObserver..
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 The shared dirty pages used by everything else. public int otherSharedDirty But as to what the difference is between Pss PrivateDirty and SharedDirty ... well now the fun begins. A lot of memory in Android and Linux systems in general is.. This way you can in theory add up the pss across all processes to see the total RAM they are using and compare pss between processes to get a rough idea of their relative weight. The other interesting metric here is PrivateDirty which is basically..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android one db connection which is serialized in java code. One thread 1000 threads if you use one helper instance shared between them all of your db access code is serial. And life is good ish . If you try to write to the database from actual distinct..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser in order to complete the action the browser or your application. Of course if you want to provide tight integration between your website and your app you can define your own scheme intent filter data android scheme my.special.scheme action android..
Get filename and path from uri from mediastore http://stackoverflow.com/questions/3401579/get-filename-and-path-from-uri-from-mediastore resolver but this seems to break on rebooting of the phone I guess MediaStore doesn't keep its numbering the same between reboots. android uri absolute path mediastore share improve this question public String getRealPathFromURI Context context..
Android - gravity and layout_gravity http://stackoverflow.com/questions/3482742/android-gravity-and-layout-gravity center center_vertical center_horizontal etc. But i am confused regarding these both. what is the difference between the usage of android gravity and android layout_gravity android android layout share improve this question Their names..
Background task, progress dialog, orientation change - is there any 100% working solution? http://stackoverflow.com/questions/3821423/background-task-progress-dialog-orientation-change-is-there-any-100-working doInBackground . If you follow the above recipe it will all work. onProgressUpdate and onPostExecute are suspended between the start of onRetainNonConfigurationInstance and the end of the subsequent onCreate . Here is a sample project demonstrating..
What does android:layout_weight mean? http://stackoverflow.com/questions/3995825/what-does-androidlayout-weight-mean android android layout android widget share improve this question With layout_weight you can specify a size ratio between multiple views. E.g. you have a MapView and a table which should show some additional information to the map. The map should..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser The most widely used ones are following events Document Start Document End Element Start Element End Characters between Element Start and Element End An example handler implementation using the Channel object above looks like this. Example..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context when you bind to a Service from an Activity if you wish to pass the ServiceConnection i.e. the handle to the binding between Activity instances via onRetainNonConfigurationInstance . Android internally tracks bindings via these ServiceConnections..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for on it or because the system is temporarily destroying this instance of the activity to save space. You can distinguish between these two scenarios with the isFinishing method. EDIT When the Activity first time loads the events are called as below..
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