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2014/10/16 ¤W¤È 08:20:59
android Programming Glossary: overridingDo fragments really need an empty constructor? http://stackoverflow.com/questions/10450348/do-fragments-really-need-an-empty-constructor this question Yes they do. You shouldn't really be overriding the constructor anyway. You should have a newInstance static..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android from the app. I'm sure it's probably something simple like overriding onPause or something like that but I've been poking away in..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips in Java 1.5 @override could only be applied to methods overriding a superclass method. Go to your project ide preferences and..
Overriding referenced style attributes http://stackoverflow.com/questions/17103894/overriding-referenced-style-attributes item style But that defeats the whole purpose of overriding this attribute especially since I would like to override this.. is working. So i must have some other styles which are overriding this property or perhaps it has to do with my layout xml files...
How to fire onListItemClick in Listactivity with buttons in list? http://stackoverflow.com/questions/1821871/how-to-fire-onlistitemclick-in-listactivity-with-buttons-in-list have to do You are using custom layout so probably you are overriding getView method from your custom adapter. The trick is to set..
Overriding the Home button - how do I get rid of the choice? http://stackoverflow.com/questions/2079691/overriding-the-home-button-how-do-i-get-rid-of-the-choice get back to somewhere they know. You shouldn't really be overriding this unless you're producing a full Home replacement. share..
Force an android activity to always use landscape mode http://stackoverflow.com/questions/2150287/force-an-android-activity-to-always-use-landscape-mode screenOrientation as landscape but author goes further in overriding any screen orientation changes with configChanges orientation..
How to size an Android view based on its parent's dimensions http://stackoverflow.com/questions/2159320/how-to-size-an-android-view-based-on-its-parents-dimensions to take up the whole height and 1 2 the width I've tried overriding all on onMeasu onLayout onSizeChanged etc and I couldn't get..
How to Set Opacity (Alpha) for View in Android http://stackoverflow.com/questions/2838757/how-to-set-opacity-alpha-for-view-in-android TextView. I was able to solve it by extending TextView and overriding onSetAlpha . Maybe you could try something similar with your..
How to Define Callbacks in Android? http://stackoverflow.com/questions/3398363/how-to-define-callbacks-in-android The only way I've implemented callbacks so far have been overriding various methods onActivityResult for example . I feel like I..
http://stackoverflow.com/questions/3815090/webview-and-html5-video get invoked on video elements... I also see references to overriding onShowCustomView but that seems to not get called on video elements.....
Synchronise ScrollView scroll positions - android http://stackoverflow.com/questions/3948934/synchronise-scrollview-scroll-positions-android
How do you to retrieve dimensions of a view? Getheight() and Getwidth() always return zero http://stackoverflow.com/questions/4142090/how-do-you-to-retrieve-dimensions-of-a-view-getheight-and-getwidth-always-r from my TextView and add an OnGlobalLayoutListener overriding onGLobalLayout there does not seem to be a superclass method..
Android VideoView orientation change with buffered video http://stackoverflow.com/questions/4434027/android-videoview-orientation-change-with-buffered-video to re buffer from the beginning. I've figured out that overriding onConfigurationChange and setting new LayoutParameters will.. in the VideoView class. By creating a child class and overriding the onMeasure function I was able to get the desired functionality...
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android text which can receive touch events on itself. I tried overriding onTouchEvent for the whole ViewGroup but it does not receive..
enable/disable zoom in Android WebView http://stackoverflow.com/questions/5125851/enable-disable-zoom-in-android-webview asking. What I ended up doing was subclassing WebView and overriding OnTouchEvent . In OnTouchEvent for ACTION_DOWN I check how many..
Database not copying from assets http://stackoverflow.com/questions/5945196/database-not-copying-from-assets myPath null SQLiteDatabase.OPEN_READONLY Finally overriding a few methods as required @Override public synchronized void..
Retrieve a Fragment from a ViewPager http://stackoverflow.com/questions/8785221/retrieve-a-fragment-from-a-viewpager then it will no longer work. What about this solution overriding instantiateItem and destroyItem of your Fragment State PagerAdapter..
Overriding referenced style attributes http://stackoverflow.com/questions/17103894/overriding-referenced-style-attributes referenced style attributes After reading through References..
Android: Detect when another Activity is launched (or your activity loses focus) http://stackoverflow.com/questions/1843911/android-detect-when-another-activity-is-launched-or-your-activity-loses-focus is launched Phone call comes in or user hits Home etc . Overriding Activity.OnStop does not work because that is called even when..
Overriding the Home button - how do I get rid of the choice? http://stackoverflow.com/questions/2079691/overriding-the-home-button-how-do-i-get-rid-of-the-choice the Home button how do I get rid of the choice When creating..
Overriding Home button for a Car Home replacement app http://stackoverflow.com/questions/2862629/overriding-home-button-for-a-car-home-replacement-app Home button for a Car Home replacement app I have been working..
http://stackoverflow.com/questions/3250987/save-cache-when-rotate-device android caching gallery share improve this question Overriding onConfigurationChanged is discouraged because there's so much..
Android : Getting file name from camera? http://stackoverflow.com/questions/455830/android-getting-file-name-from-camera PictureCallback via a ImageCaptureCallback class and Overriding the onPictureTaken where the file was being written via a file..
http://stackoverflow.com/questions/5039500/android-overriding-home-key Overriding home key As the question suggest I know we can't override Home..
Overriding Android ArrayAdapter http://stackoverflow.com/questions/5177056/overriding-android-arrayadapter Android ArrayAdapter I want to do a very simple thing. I have..
Android: Issue with newView and bindView in custom SimpleCursorAdapter http://stackoverflow.com/questions/5183813/android-issue-with-newview-and-bindview-in-custom-simplecursoradapter simplecursoradapter share improve this question Overriding the getView function gives you the possibility of re using already..
android honeycomb menu button target http://stackoverflow.com/questions/5279148/android-honeycomb-menu-button-target trigger for that behavior for API Level 11 and higher. Overriding the MENU button was never a good idea to begin with and as you..
Overriding onTouchEvent competing with ScrollView http://stackoverflow.com/questions/6194739/overriding-ontouchevent-competing-with-scrollview onTouchEvent competing with ScrollView From a simplistic overview..
How to change dialog background color programatically? http://stackoverflow.com/questions/7269706/how-to-change-dialog-background-color-programatically not suitable in this case as I can't change at run time c Overriding the AlertBuilder class but this tints the whole alert dialog..
http://stackoverflow.com/questions/9148615/android-stop-background-music or you force close you app and that is well documented. Overriding the HOME button also is no option as I have read its not possible..
Overriding the power button in Android http://stackoverflow.com/questions/9886466/overriding-the-power-button-in-android the power button in Android I'm developing an app in which..
Best practice: Extending or overriding an Android library project class http://stackoverflow.com/questions/9951610/best-practice-extending-or-overriding-an-android-library-project-class and references a jar from the referenced library project . Overriding resources such as images and XML layouts is easy. Resource files..
Do fragments really need an empty constructor? http://stackoverflow.com/questions/10450348/do-fragments-really-need-an-empty-constructor worked fine. android android fragments share improve this question Yes they do. You shouldn't really be overriding the constructor anyway. You should have a newInstance static method defined and pass any parameters via arguments bundle..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android gives me the first message no matter how I navigate away from the app. I'm sure it's probably something simple like overriding onPause or something like that but I've been poking away in the docs for 30 minutes or so and haven't found anything obvious..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips which in Java 1.6 can be annotated with @Override however in Java 1.5 @override could only be applied to methods overriding a superclass method. Go to your project ide preferences and set the Java compiler level to 1.6 and also make sure you select..
Overriding referenced style attributes http://stackoverflow.com/questions/17103894/overriding-referenced-style-attributes item name android checkMark @drawable btn_check_holo_light item style But that defeats the whole purpose of overriding this attribute especially since I would like to override this attribute in multiple themes. I am setting the theme in the.. small sample project and it looks like the code i posted above is working. So i must have some other styles which are overriding this property or perhaps it has to do with my layout xml files. In my large project I have two Fragments within an Activity..
How to fire onListItemClick in Listactivity with buttons in list? http://stackoverflow.com/questions/1821871/how-to-fire-onlistitemclick-in-listactivity-with-buttons-in-list onListItemClick of your ListActivity. Here is what you have to do You are using custom layout so probably you are overriding getView method from your custom adapter. The trick is to set the different listeners for your button and different for the..
Overriding the Home button - how do I get rid of the choice? http://stackoverflow.com/questions/2079691/overriding-the-home-button-how-do-i-get-rid-of-the-choice
Force an android activity to always use landscape mode http://stackoverflow.com/questions/2150287/force-an-android-activity-to-always-use-landscape-mode android name VncCanvasActivity This line specifies the screenOrientation as landscape but author goes further in overriding any screen orientation changes with configChanges orientation keyboardHidden . This points to a overridden function in VncCanvasActivity.java...
How to size an Android view based on its parent's dimensions http://stackoverflow.com/questions/2159320/how-to-size-an-android-view-based-on-its-parents-dimensions the full screen and I want a child view say an imageview to take up the whole height and 1 2 the width I've tried overriding all on onMeasu onLayout onSizeChanged etc and I couldn't get it working.... android layout share improve this question..
How to Set Opacity (Alpha) for View in Android http://stackoverflow.com/questions/2838757/how-to-set-opacity-alpha-for-view-in-android found your question while having the similar problem with a TextView. I was able to solve it by extending TextView and overriding onSetAlpha . Maybe you could try something similar with your button import android.content.Context import android.util.AttributeSet..
How to Define Callbacks in Android? http://stackoverflow.com/questions/3398363/how-to-define-callbacks-in-android able to find a suitable explanation for android online yet. The only way I've implemented callbacks so far have been overriding various methods onActivityResult for example . I feel like I have a basic understanding of the design pattern but I keep..
http://stackoverflow.com/questions/3815090/webview-and-html5-video of a video element. onDownloadListener does not appear to get invoked on video elements... I also see references to overriding onShowCustomView but that seems to not get called on video elements... nor does shouldOverrideUrlLoading.. I would rather..
Synchronise ScrollView scroll positions - android http://stackoverflow.com/questions/3948934/synchronise-scrollview-scroll-positions-android
How do you to retrieve dimensions of a view? Getheight() and Getwidth() always return zero http://stackoverflow.com/questions/4142090/how-do-you-to-retrieve-dimensions-of-a-view-getheight-and-getwidth-always-r in the onGlobalLayout method . Next I get the ViewTreeObserver from my TextView and add an OnGlobalLayoutListener overriding onGLobalLayout there does not seem to be a superclass method to invoke here... and adding my code which requires knowing..
Android VideoView orientation change with buffered video http://stackoverflow.com/questions/4434027/android-videoview-orientation-change-with-buffered-video orientation change the video continues playing and doesn't have to re buffer from the beginning. I've figured out that overriding onConfigurationChange and setting new LayoutParameters will allow me to resize the video without forcing a rebuffer however.. I was able to narrow down the problem to the onMeasure function in the VideoView class. By creating a child class and overriding the onMeasure function I was able to get the desired functionality. public class VideoViewCustom extends VideoView private..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android . Now I want to add a button clickable image in place of this text which can receive touch events on itself. I tried overriding onTouchEvent for the whole ViewGroup but it does not receive any event. How can I receive events only on certain parts of..
enable/disable zoom in Android WebView http://stackoverflow.com/questions/5125851/enable-disable-zoom-in-android-webview that there is no elegant way to accomplish what you are asking. What I ended up doing was subclassing WebView and overriding OnTouchEvent . In OnTouchEvent for ACTION_DOWN I check how many pointers there are using MotionEvent.getPointerCount . If..
Database not copying from assets http://stackoverflow.com/questions/5945196/database-not-copying-from-assets String myPath DB_PATH DB_NAME myDataBase SQLiteDatabase.openDatabase myPath null SQLiteDatabase.OPEN_READONLY Finally overriding a few methods as required @Override public synchronized void close if myDataBase null myDataBase.close super.close @Override..
Retrieve a Fragment from a ViewPager http://stackoverflow.com/questions/8785221/retrieve-a-fragment-from-a-viewpager on a name being generated by the framework. If that ever changes then it will no longer work. What about this solution overriding instantiateItem and destroyItem of your Fragment State PagerAdapter public class MyPagerAdapter extends FragmentStatePagerAdapter..
Overriding referenced style attributes http://stackoverflow.com/questions/17103894/overriding-referenced-style-attributes referenced style attributes After reading through References To Theme Attributes I am trying to reference the value of..
Android: Detect when another Activity is launched (or your activity loses focus) http://stackoverflow.com/questions/1843911/android-detect-when-another-activity-is-launched-or-your-activity-loses-focus I need to detect when my app loses focus because another app is launched Phone call comes in or user hits Home etc . Overriding Activity.OnStop does not work because that is called even when switching activities within my app. android share improve..
Overriding the Home button - how do I get rid of the choice? http://stackoverflow.com/questions/2079691/overriding-the-home-button-how-do-i-get-rid-of-the-choice the Home button how do I get rid of the choice When creating one Intent so that MyActivity reacts to a User pressing the..
Overriding Home button for a Car Home replacement app http://stackoverflow.com/questions/2862629/overriding-home-button-for-a-car-home-replacement-app Home button for a Car Home replacement app I have been working on a replacement for the stock Car Home app for a bit and..
http://stackoverflow.com/questions/3250987/save-cache-when-rotate-device int width display.getWidth int height display.getHeight android caching gallery share improve this question Overriding onConfigurationChanged is discouraged because there's so much work you have to do to get it right. What you want to do is..
Android : Getting file name from camera? http://stackoverflow.com/questions/455830/android-getting-file-name-from-camera share improve this question This was resolved by implementing PictureCallback via a ImageCaptureCallback class and Overriding the onPictureTaken where the file was being written via a file output stream. All you had to do was change the fileoutput..
http://stackoverflow.com/questions/5039500/android-overriding-home-key Overriding home key As the question suggest I know we can't override Home key event but if you look into emulator of android 2.2 you..
Overriding Android ArrayAdapter http://stackoverflow.com/questions/5177056/overriding-android-arrayadapter Android ArrayAdapter I want to do a very simple thing. I have a listview in my application which I dynamically add text..
Android: Issue with newView and bindView in custom SimpleCursorAdapter http://stackoverflow.com/questions/5183813/android-issue-with-newview-and-bindview-in-custom-simplecursoradapter catch Exception e System.out.println Exc e return null android simplecursoradapter share improve this question Overriding the getView function gives you the possibility of re using already inflated list items the list items that are scrolled..
android honeycomb menu button target http://stackoverflow.com/questions/5279148/android-honeycomb-menu-button-target to have other behavior you will need to create some other trigger for that behavior for API Level 11 and higher. Overriding the MENU button was never a good idea to begin with and as you can see it is even less of a good idea now. I know of no..
Overriding onTouchEvent competing with ScrollView http://stackoverflow.com/questions/6194739/overriding-ontouchevent-competing-with-scrollview onTouchEvent competing with ScrollView From a simplistic overview I have a custom View that contains some bitmaps the user..
How to change dialog background color programatically? http://stackoverflow.com/questions/7269706/how-to-change-dialog-background-color-programatically at run time is not recommended. b Changing in styles.xml not suitable in this case as I can't change at run time c Overriding the AlertBuilder class but this tints the whole alert dialog This closest I have come to changing the colour is removing..
http://stackoverflow.com/questions/9148615/android-stop-background-music onDestroy is only called when the system is low on memory or you force close you app and that is well documented. Overriding the HOME button also is no option as I have read its not possible and I have read its extremely frowned upon either way..
Overriding the power button in Android http://stackoverflow.com/questions/9886466/overriding-the-power-button-in-android the power button in Android I'm developing an app in which I need to do an action when the power button is pressed but..
Best practice: Extending or overriding an Android library project class http://stackoverflow.com/questions/9951610/best-practice-extending-or-overriding-an-android-library-project-class the Core library project behind the scenes Eclipse creates and references a jar from the referenced library project . Overriding resources such as images and XML layouts is easy. Resource files placed in the target project such as the app icon or an..
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