¡@
2014/10/16 ¤W¤È 08:22:21
android Programming Glossary: referenceThis Handler class should be static or leaks might occur: IncomingHandler http://stackoverflow.com/questions/11407943/this-handler-class-should-be-static-or-leaks-might-occur-incominghandler If IncomingHandler class is not static it will have a reference to your Service object. Handler objects for the same thread..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen the Samsung Galaxy S3 dp to suffix to drawable sw dp With reference of DP Calculation If you want to support your layout or drawable.. dp units but additionally scaled for the user's font size preference setting. Scaled at runtime. Use for font sizes you should always..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android keyboardHidden orientation See http developer.android.com reference android R.attr.html#configChanges for more details. However..
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 about memory usage http developer.android.com intl de reference android os Debug.html#getMemoryInfo android.os.Debug.MemoryInfo.. about another process http developer.android.com intl de reference android app ActivityManager.html#getProcessMemoryInfo int This..
ListView item background via custom selector http://stackoverflow.com/questions/2562051/listview-item-background-via-custom-selector be more elegant to have this all defined in one place. For reference this is the selector I'm using to try and get this working selector..
OutOfMemoryError: bitmap size exceeds VM budget :- Android [duplicate] http://stackoverflow.com/questions/2928002/outofmemoryerror-bitmap-size-exceeds-vm-budget-android can be cleared opts.inInputShareable true Which kind of reference will be used to recover the Bitmap data after being clear when..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file an example but it's not complete though just for you as a reference and get some idea. This is a simple bean I use to hold the route..
http://stackoverflow.com/questions/3669325/notifydatasetchanged-example Adapter. When an ArrayAdapter is constructed it holds the reference for the List that was passed in. If you were to pass in a List.. Activity member later the ArrayAdapter is still holding a reference to the original List . The Adapter does not know you changed..
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 obs.removeGlobalOnLayoutListener this First I get a final reference to my TextView to access in the onGlobalLayout method . Next..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds Override the set text size to update our internal reference values @Override public void setTextSize float size super.setTextSize.. Override the set text size to update our internal reference values @Override public void setTextSize int unit float size.. Override the set line spacing to update our internal reference values @Override public void setLineSpacing float add float..
How turn on camera flash light programmatically in Android? http://stackoverflow.com/questions/6068803/how-turn-on-camera-flash-light-programmatically-in-android is available false if not. See http developer.android.com reference android content pm PackageManager.html for more information...
http://stackoverflow.com/questions/6218143/android-post-json-using-http Object Notation. In JavaScript properties can be referenced both like this object1.name and like this object 'name' . The.. the Map data structure please take a look at the Java Map reference . In short a map is similar to a dictionary or a hash. private..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context tracks bindings via these ServiceConnections and holds references to the Contexts that create the bindings. If you bind from.. the Activity then the new Activity instance will have a reference to the ServiceConnection which has an implicit reference to.. a reference to the ServiceConnection which has an implicit reference to the old Activity and the old Activity cannot be garbage collected...
How to support Arabic text in Android? http://stackoverflow.com/questions/7962704/how-to-support-arabic-text-in-android
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 to use the arrow keys to navigate the application list. Reference http developer.android.com tools devices managing avds cmdline.html#hardwareopts..
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps public class MapWrapperLayout extends RelativeLayout Reference to a GoogleMap object private GoogleMap map Vertical offset..
How one interface can be used for different background android tasks? http://stackoverflow.com/questions/14253421/how-one-interface-can-be-used-for-different-background-android-tasks 8 Now in above code MainClass.this is stored as Interface Reference in AsynTask SubClasses like this private Context context null..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android lecture regarding games not much OpenGLES The The Khronos Reference Manual is also relevant to have but its not exactly the best..
http://stackoverflow.com/questions/2220949/handling-large-bitmaps by one. I am saving the images in a Collection using SoftReferences and also on Sdcard to avoid refetches and improve user experience... at least avoids any OOM errors while decoding the file. Reference 1. Handling larger Bitmaps 2. How do I get Bitmap info before..
How to display list of resource drawables [duplicate] http://stackoverflow.com/questions/2538380/how-to-display-list-of-resource-drawables R.drawable. f.getName catch Exception e e.printStackTrace Reference http www.darshancomputing.com android 1.5 drawables.html share..
Declaring a custom android UI element using XML http://stackoverflow.com/questions/2695646/declaring-a-custom-android-ui-element-using-xml #FFFFFF app extraInformation My extra information Reference the custom view using the fully qualified name. Android LabelView..
http://stackoverflow.com/questions/3660209/display-animated-gif class. This is not too much documented but is in SDK Reference . Moreover it is used in Samples in ApiDemos in BitmapDecode..
Android Development: Using Image From Assets In A WebView's HTML http://stackoverflow.com/questions/3779789/android-development-using-image-from-assets-in-a-webviews-html
How can I make a horizontal ListView in Android? [duplicate] http://stackoverflow.com/questions/3877040/how-can-i-make-a-horizontal-listview-in-android savedInstanceState setContentView R.layout.gallery_1 Reference the Gallery view final Gallery g Gallery findViewById R.id.gallery..
Android: How to copy files in 'assets' to sdcard? http://stackoverflow.com/questions/4447477/android-how-to-copy-files-in-assets-to-sdcard
Does the Android Emulator support OpenGL ES 2.0? http://stackoverflow.com/questions/4455783/does-the-android-emulator-support-opengl-es-2-0
Reference one string from another string in strings.xml? http://stackoverflow.com/questions/4746058/reference-one-string-from-another-string-in-strings-xml one string from another string in strings.xml I would like..
Cannot Make Static Reference to Non-Static Method http://stackoverflow.com/questions/4969171/cannot-make-static-reference-to-non-static-method Make Static Reference to Non Static Method Building a multi language application..
In eclipse, unable to reference an android library project in another android project http://stackoverflow.com/questions/5167273/in-eclipse-unable-to-reference-an-android-library-project-in-another-android-pr
Get user image from Facebook Graph-API http://stackoverflow.com/questions/5841710/get-user-image-from-facebook-graph-api ID is one your profile ID. For Further details check this Reference for Graph API ............................ share improve this..
What to use instead of “addPreferencesFromResource” in a PreferenceActivity? http://stackoverflow.com/questions/6822319/what-to-use-instead-of-addpreferencesfromresource-in-a-preferenceactivity is marked deprecated in android's documentation Reference Entry . Unfortunately no alternative method is provided in the..
Turn ON/OFF Camera LED/flash light in Samsung Galaxy Ace 2.2.1 & Galaxy Tab http://stackoverflow.com/questions/6939816/turn-on-off-camera-led-flash-light-in-samsung-galaxy-ace-2-2-1-galaxy-tab turning it off by using cam.stopPreview cam.release Code Reference Use camera flashlight in Android But the problem is LED Light..
How can I assign an ID to a view programmatically? http://stackoverflow.com/questions/8460680/how-can-i-assign-an-id-to-a-view-programmatically android id will be assigned a unique int for use in code. Reference your android id 's int value in code using R.id. somename effectively..
Android 2.2 MediaPlayer is working fine with one SHOUTcast URL but not with the other one http://stackoverflow.com/questions/8681550/android-2-2-mediaplayer-is-working-fine-with-one-shoutcast-url-but-not-with-the
This Handler class should be static or leaks might occur: IncomingHandler http://stackoverflow.com/questions/11407943/this-handler-class-should-be-static-or-leaks-might-occur-incominghandler android lint android handler share improve this question If IncomingHandler class is not static it will have a reference to your Service object. Handler objects for the same thread all share a common Looper object which they post messages to..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen will use resource from the this folder. for example to find the Samsung Galaxy S3 dp to suffix to drawable sw dp With reference of DP Calculation If you want to support your layout or drawable to S3 then the calculation says px Device's width 720 dpi.. scaled pixels specified as floating point values based on dp units but additionally scaled for the user's font size preference setting. Scaled at runtime. Use for font sizes you should always use RelativeLayout for layouts AbsoluteLayout is deprecated..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android activity android name MainActivity android configChanges keyboardHidden orientation See http developer.android.com reference android R.attr.html#configChanges for more details. However your application can be interrupted at any time e.g. by a phone..
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 you can use the Debug API to get raw kernel level information about memory usage http developer.android.com intl de reference android os Debug.html#getMemoryInfo android.os.Debug.MemoryInfo Note starting with 2.0 there is also an API ActivityManager.getProcessMemoryInfo.. ActivityManager.getProcessMemoryInfo to get this information about another process http developer.android.com intl de reference android app ActivityManager.html#getProcessMemoryInfo int This returns a low level MemoryInfo structure with all of this..
ListView item background via custom selector http://stackoverflow.com/questions/2562051/listview-item-background-via-custom-selector selected focused whatever so the selector is shown but it'd be more elegant to have this all defined in one place. For reference this is the selector I'm using to try and get this working selector xmlns android http schemas.android.com apk res android..
OutOfMemoryError: bitmap size exceeds VM budget :- Android [duplicate] http://stackoverflow.com/questions/2928002/outofmemoryerror-bitmap-size-exceeds-vm-budget-android true Tell to gc that whether it needs free memory the Bitmap can be cleared opts.inInputShareable true Which kind of reference will be used to recover the Bitmap data after being clear when it will be used in the future opts.inTempStorage new byte..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file display the route markers on the map. See the code below for an example but it's not complete though just for you as a reference and get some idea. This is a simple bean I use to hold the route information I will be parsing. package com.myapp.android.model.navigation..
http://stackoverflow.com/questions/3669325/notifydatasetchanged-example if you use the add insert remove and clear functions on the Adapter. When an ArrayAdapter is constructed it holds the reference for the List that was passed in. If you were to pass in a List that was a member of an Activity and change that Activity.. in a List that was a member of an Activity and change that Activity member later the ArrayAdapter is still holding a reference to the original List . The Adapter does not know you changed the List in the Activity. Your choices are Use the functions..
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 obs.removeOnGlobalLayoutListener this else obs.removeGlobalOnLayoutListener this First I get a final reference to my TextView to access in the onGlobalLayout method . Next I get the ViewTreeObserver from my TextView and add an OnGlobalLayoutListener..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds OnTextResizeListener listener mTextResizeListener listener Override the set text size to update our internal reference values @Override public void setTextSize float size super.setTextSize size mTextSize getTextSize Override the set text.. setTextSize float size super.setTextSize size mTextSize getTextSize Override the set text size to update our internal reference values @Override public void setTextSize int unit float size super.setTextSize unit size mTextSize getTextSize Override.. float size super.setTextSize unit size mTextSize getTextSize Override the set line spacing to update our internal reference values @Override public void setLineSpacing float add float mult super.setLineSpacing add mult mSpacingMult mult mSpacingAdd..
How turn on camera flash light programmatically in Android? http://stackoverflow.com/questions/6068803/how-turn-on-camera-flash-light-programmatically-in-android which will return true if a flash is available false if not. See http developer.android.com reference android content pm PackageManager.html for more information. For turning on off flashlight I googled out and got this about..
http://stackoverflow.com/questions/6218143/android-post-json-using-http posted by Justin Grammens . About JSON JSON stands for JavaScript Object Notation. In JavaScript properties can be referenced both like this object1.name and like this object 'name' . The example from the article uses this bit of JSON. The Parts.. httpost responseHandler Map If you are not familiar with the Map data structure please take a look at the Java Map reference . In short a map is similar to a dictionary or a hash. private static JSONObject getJsonObjectFromMap Map params throws..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context via onRetainNonConfigurationInstance . Android internally tracks bindings via these ServiceConnections and holds references to the Contexts that create the bindings. If you bind from the Activity then the new Activity instance will have a reference.. to the Contexts that create the bindings. If you bind from the Activity then the new Activity instance will have a reference to the ServiceConnection which has an implicit reference to the old Activity and the old Activity cannot be garbage collected... from the Activity then the new Activity instance will have a reference to the ServiceConnection which has an implicit reference to the old Activity and the old Activity cannot be garbage collected. Some developers use custom subclasses of Application..
How to support Arabic text in Android? http://stackoverflow.com/questions/7962704/how-to-support-arabic-text-in-android
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 name .avd config.ini Similarly add hw.dPad yes if you wish to use the arrow keys to navigate the application list. Reference http developer.android.com tools devices managing avds cmdline.html#hardwareopts On Mac OS and Linux you can edit all of..
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps import android.view.View import android.widget.RelativeLayout public class MapWrapperLayout extends RelativeLayout Reference to a GoogleMap object private GoogleMap map Vertical offset in pixels between the bottom edge of our InfoWindow and the..
How one interface can be used for different background android tasks? http://stackoverflow.com/questions/14253421/how-one-interface-can-be-used-for-different-background-android-tasks 3 display Toast or Alert Box or load Activity number 8 Now in above code MainClass.this is stored as Interface Reference in AsynTask SubClasses like this private Context context null private DelegateTaskCompleted delegate null public GettingBeaconsList..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android some tutorials Other Android OpenGL ES information Google IO lecture regarding games not much OpenGLES The The Khronos Reference Manual is also relevant to have but its not exactly the best place to start. iPhone OpenGL ES tutorials where the OpenGl..
http://stackoverflow.com/questions/2220949/handling-large-bitmaps download these images and display them in my application one by one. I am saving the images in a Collection using SoftReferences and also on Sdcard to avoid refetches and improve user experience. The problem is I dont know anything about the size of..
How to display list of resource drawables [duplicate] http://stackoverflow.com/questions/2538380/how-to-display-list-of-resource-drawables
Declaring a custom android UI element using XML http://stackoverflow.com/questions/2695646/declaring-a-custom-android-ui-element-using-xml @android color transparent android text Test text android textColor #FFFFFF app extraInformation My extra information Reference the custom view using the fully qualified name. Android LabelView Sample If you want a complete example look at the android..
http://stackoverflow.com/questions/3660209/display-animated-gif can decode and display animated GIFs using android.graphics.Movie class. This is not too much documented but is in SDK Reference . Moreover it is used in Samples in ApiDemos in BitmapDecode example with some animated flag. share improve this answer..
Android Development: Using Image From Assets In A WebView's HTML http://stackoverflow.com/questions/3779789/android-development-using-image-from-assets-in-a-webviews-html
How can I make a horizontal ListView in Android? [duplicate] http://stackoverflow.com/questions/3877040/how-can-i-make-a-horizontal-listview-in-android public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.gallery_1 Reference the Gallery view final Gallery g Gallery findViewById R.id.gallery Set the adapter to our custom adapter below g.setAdapter..
Android: How to copy files in 'assets' to sdcard? http://stackoverflow.com/questions/4447477/android-how-to-copy-files-in-assets-to-sdcard
Does the Android Emulator support OpenGL ES 2.0? http://stackoverflow.com/questions/4455783/does-the-android-emulator-support-opengl-es-2-0
Reference one string from another string in strings.xml? http://stackoverflow.com/questions/4746058/reference-one-string-from-another-string-in-strings-xml one string from another string in strings.xml I would like to reference a string from another string in my strings.xml..
Cannot Make Static Reference to Non-Static Method http://stackoverflow.com/questions/4969171/cannot-make-static-reference-to-non-static-method Make Static Reference to Non Static Method Building a multi language application in Java. Getting an error when inserting String value from R.string..
In eclipse, unable to reference an android library project in another android project http://stackoverflow.com/questions/5167273/in-eclipse-unable-to-reference-an-android-library-project-in-another-android-pr
Get user image from Facebook Graph-API http://stackoverflow.com/questions/5841710/get-user-image-from-facebook-graph-api
What to use instead of “addPreferencesFromResource” in a PreferenceActivity? http://stackoverflow.com/questions/6822319/what-to-use-instead-of-addpreferencesfromresource-in-a-preferenceactivity fact that the method addPreferencesFromResource int preferencesResId is marked deprecated in android's documentation Reference Entry . Unfortunately no alternative method is provided in the method's description. Which method should be used instead..
Turn ON/OFF Camera LED/flash light in Samsung Galaxy Ace 2.2.1 & Galaxy Tab http://stackoverflow.com/questions/6939816/turn-on-off-camera-led-flash-light-in-samsung-galaxy-ace-2-2-1-galaxy-tab public void onAutoFocus boolean success Camera camera And turning it off by using cam.stopPreview cam.release Code Reference Use camera flashlight in Android But the problem is LED Light remains on just for 5sec. It just then turns OFF automatically...
How can I assign an ID to a view programmatically? http://stackoverflow.com/questions/8460680/how-can-i-assign-an-id-to-a-view-programmatically id somename to your view. When your application is built the android id will be assigned a unique int for use in code. Reference your android id 's int value in code using R.id. somename effectively a constant. this int can change from build to build..
Android 2.2 MediaPlayer is working fine with one SHOUTcast URL but not with the other one http://stackoverflow.com/questions/8681550/android-2-2-mediaplayer-is-working-fine-with-one-shoutcast-url-but-not-with-the
|