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2014/10/16 ¤W¤È 08:13:59
android Programming Glossary: generalUnderstanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean See my blog post on this topic for more information. In general I would treat it similarly to using onConfigurationChanged with..
http://stackoverflow.com/questions/1784786/mathml-and-java SnuggleTeX JLaTeXMath and for re arranging equations or as general Java math libraries Mathrider Yacas for Java Jasymca Symbolic..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon Market. It is not an application for wide use by the general public it is a business app that is going to be used in a very.. finish can close up your currently running activity. Users generally don't need anything else for properly written applications.. don't force users to think of files. Android apps generally don't force users to think of files. And so on. Similarly..
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 begins. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So how much memory..
Laying out Views in RelativeLayout programmatically http://stackoverflow.com/questions/2305395/laying-out-views-in-relativelayout-programmatically layout Update Thanks TreeUK. I understand the general direction but it still doesn't work B overlaps A . What am I..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview this so far and been hitting nothing but roadblocks. The general premise is that there is some row in a ListView whether it's..
overlay two images in android to set an imageview http://stackoverflow.com/questions/2739971/overlay-two-images-in-android-to-set-an-imageview
How to send HTTP POST request and receive response? http://stackoverflow.com/questions/3038409/how-to-send-http-post-request-and-receive-response and is confusing to read and understand. Here is some general code to send a HTTP POST and get a response from a server though..
How to develop a soft keyboard for Android? http://stackoverflow.com/questions/3480715/how-to-develop-a-soft-keyboard-for-android for Android to replace the default one. Is there any general information about soft keyboard development for Android out..
Difference between Activity Context and Application Context http://stackoverflow.com/questions/4128589/difference-between-activity-context-and-application-context might be able to point to what exactly it needs. But in general use the activity context unless you have a good reason not to...
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 Serializable it's error prone and horribly slow. So in general stay away from Serializable if possible. If you want to pass..
getViewTypeCount and getItemViewType methods of ArrayAdapter http://stackoverflow.com/questions/5300962/getviewtypecount-and-getitemviewtype-methods-of-arrayadapter with the same view type for every row. Edit to outline the general flow You bind data to your AdapterView using an adapter. The..
http://stackoverflow.com/questions/6218143/android-post-json-using-http this is because of my lack of JSON networking knowledge in general. I know there are plenty of examples out there but could someone..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables Read it at your own risk. ORIGINAL ANSWER The more general problem you are encountering is how to save state across several.. an Application subclass and further that using Singletons generally points to extremely inflexible design which is not easily.. Singletons cannot work well but I do argue that they are generally the product of either a bad API or a lazy programmer. I disagree..
Android accelerometer accuracy (Inertial navigation) http://stackoverflow.com/questions/7829097/android-accelerometer-accuracy-inertial-navigation my code this might be difficult to answer but in a more general sense... Is this simply an example of how inaccurate the accelerometer..
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 credentials saving data share improve this question In general SharedPreferences are your best bet for storing preferences.. are your best bet for storing preferences so in general I'd recommend that approach for saving application and user..
How to make an Android Spinner with initial text “Select One” http://stackoverflow.com/questions/867518/how-to-make-an-android-spinner-with-initial-text-select-one android spinner share improve this question Here's a general solution that overrides the Spinner view. It overrides setAdapter..
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment that I am not alone on this one. So I have seen two general practices to instantiate a new Fragment in an application Fragment.. second option makes use of a static method newInstance and generally contains the following method. public static Fragment newInstance..
How to import existing Android project into Eclipse? http://stackoverflow.com/questions/2231474/how-to-import-existing-android-project-into-eclipse eclipse share improve this question File Import General Existing Projects into Workspace Next Select root directory..
Getting the battery current values for the Android Phone http://stackoverflow.com/questions/2439619/getting-the-battery-current-values-for-the-android-phone it and or modify it under the terms of the GNU General Public License as published by the Free Software Foundation.. or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a.. more details. You should have received a copy of the GNU General Public License along with CurrentWidget. If not see http www.gnu.org..
Android+Eclipse project sharing via SVN? http://stackoverflow.com/questions/3166947/androideclipse-project-sharing-via-svn on the machine Open eclipse Click on File Import Select General Existing Projects into Workspace Or you can also do this Open..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project Android project. Right click libs and choose Import General File System then Next Browse in the filesystem to find the library's..
http://stackoverflow.com/questions/3808167/android-sdk-manager-gives-failed-to-fetch-url-https-dl-ssl-google-com-android
Difference between iPhone Simulator and Android Emulator http://stackoverflow.com/questions/4544588/difference-between-iphone-simulator-and-android-emulator the Simulator's menu item. In fact if you go to Settings General About you'll see that the Simulator's disk capacity is the same..
How to duplicate an SDK-sample project into workspace? http://stackoverflow.com/questions/4928784/how-to-duplicate-an-sdk-sample-project-into-workspace without deleting its files from disk 4. File Import... General Existing Projects into Workspace Next Browse C Users androideve.. without deleting its files from disk 4. File Import... General Existing Projects into Workspace Next Browse C Users androideve..
Call removeView() on the child's parent first http://stackoverflow.com/questions/6526874/call-removeview-on-the-childs-parent-first parent view parentLayout.addView scrollChildLayout General Idea means contains Before parentlayout scrollview scrollChildLayout..
how to opening layout xml files in Android Layout Editor? http://stackoverflow.com/questions/7966734/how-to-opening-layout-xml-files-in-android-layout-editor share improve this question Go to Window Preferences General Editors File Associations and set your default editor there...
How to add a Library Project to a android project? http://stackoverflow.com/questions/8248196/how-to-add-a-library-project-to-a-android-project Import the library into your eclipse workspace File Import General Existing Projects into Workspace Next Select root directory..
http://stackoverflow.com/questions/8318290/r-java-not-generated to make it work import project into eclipse File Import General Existing Projects into Workspace in Eclipse Manually create..
Eclipse indexer errors when using STL with Android NDK http://stackoverflow.com/questions/9375708/eclipse-indexer-errors-when-using-stl-with-android-ndk to the gnu STL headers shiped with the ndk Properties C C General Code Analasys Path symbols android ndk r7 sources cxx stl gnu.. so that Eclipse indexes it as well. Project Properties C C General Includes. Here's what I have added path_to_NDK sources cxx stl..
Google Android USB Driver and ADB http://stackoverflow.com/questions/9709263/google-android-usb-driver-and-adb and click settings charm. choose Change PC settings choose General Scroll down and click ˜Restart now under ˜Advanced startup Click..
Understanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean for an instance of Thread or AsyncTask managing its operation. See my blog post on this topic for more information. In general I would treat it similarly to using onConfigurationChanged with an Activity ... don't use it as a bandaid just because you..
http://stackoverflow.com/questions/1784786/mathml-and-java for rendering math expressions with TeX JMathTex SnuggleTeX JLaTeXMath and for re arranging equations or as general Java math libraries Mathrider Yacas for Java Jasymca Symbolic Calculator for Mobile Devices Java Algebra System The Apache..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon I am trying to create is not an application for the Android Market. It is not an application for wide use by the general public it is a business app that is going to be used in a very narrow business field. I was actually really looking forward.. As everybody else told you users via BACK or your code via finish can close up your currently running activity. Users generally don't need anything else for properly written applications any more than they need a quit option for using Web apps. No.. Web apps don't force users to think of files. iPhone apps typically don't force users to think of files. Android apps generally don't force users to think of files. And so on. Similarly there is a growing movement to try to eliminate the notion of..
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 between Pss PrivateDirty and SharedDirty ... well now the fun begins. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So how much memory a processes uses is really not clear. Add on top of that..
Laying out Views in RelativeLayout programmatically http://stackoverflow.com/questions/2305395/laying-out-views-in-relativelayout-programmatically this ... layout.addView label1 layout.addView label2 setContentView layout Update Thanks TreeUK. I understand the general direction but it still doesn't work B overlaps A . What am I doing wrong RelativeLayout layout new RelativeLayout this TextView..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview EditText inside ListView I've spent about 6 hours on this so far and been hitting nothing but roadblocks. The general premise is that there is some row in a ListView whether it's generated by the adapter or added as a header view that contains..
overlay two images in android to set an imageview http://stackoverflow.com/questions/2739971/overlay-two-images-in-android-to-set-an-imageview
How to send HTTP POST request and receive response? http://stackoverflow.com/questions/3038409/how-to-send-http-post-request-and-receive-response this question As Schnapple says your question seems very broad and is confusing to read and understand. Here is some general code to send a HTTP POST and get a response from a server though that may be helpful. public String postPage String url..
How to develop a soft keyboard for Android? http://stackoverflow.com/questions/3480715/how-to-develop-a-soft-keyboard-for-android like to play around with some ideas and develop a soft keyboard for Android to replace the default one. Is there any general information about soft keyboard development for Android out there Any best practices or guidelines Can I do with my keyboard..
Difference between Activity Context and Application Context http://stackoverflow.com/questions/4128589/difference-between-activity-context-and-application-context
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 . Although tempting you should think twice before using Serializable it's error prone and horribly slow. So in general stay away from Serializable if possible. If you want to pass complex user defined objects take a look at the Parcelable..
getViewTypeCount and getItemViewType methods of ArrayAdapter http://stackoverflow.com/questions/5300962/getviewtypecount-and-getitemviewtype-methods-of-arrayadapter int getViewTypeCount return 1 This indeed provides you with the same view type for every row. Edit to outline the general flow You bind data to your AdapterView using an adapter. The AdapterView tries to display items that are visible to the..
http://stackoverflow.com/questions/6218143/android-post-json-using-http online but I cannot get any of them to work. I believe this is because of my lack of JSON networking knowledge in general. I know there are plenty of examples out there but could someone point me to an actual tutorial I'm looking for a step by..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables the use of Singletons rather than subclassing Application. Read it at your own risk. ORIGINAL ANSWER The more general problem you are encountering is how to save state across several Activities and all parts of your application. A static.. as strong a contract with the Android system as using an Application subclass and further that using Singletons generally points to extremely inflexible design which is not easily modified and leads to many problems down the road. IMHO the.. the numerous downsides to Singletons. I do not argue that Singletons cannot work well but I do argue that they are generally the product of either a bad API or a lazy programmer. I disagree quite strongly with Diane's viewpoint which I feel is..
Android accelerometer accuracy (Inertial navigation) http://stackoverflow.com/questions/7829097/android-accelerometer-accuracy-inertial-navigation 0 averaging around 10 on each axis . I realise without seeing my code this might be difficult to answer but in a more general sense... Is this simply an example of how inaccurate the accelerometer readings are on a mobile phone HTC Desire S or 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 settings in Android application. java android preferences credentials saving data share improve this question In general SharedPreferences are your best bet for storing preferences so in general I'd recommend that approach for saving application.. data share improve this question In general SharedPreferences are your best bet for storing preferences so in general I'd recommend that approach for saving application and user settings. The only area of concern here is what you're saving...
How to make an Android Spinner with initial text “Select One” http://stackoverflow.com/questions/867518/how-to-make-an-android-spinner-with-initial-text-select-one which is not what I want. How can I fix this problem android android spinner share improve this question Here's a general solution that overrides the Spinner view. It overrides setAdapter to set the initial position to 1 and proxies the supplied..
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment apologies up front however I know from a developer meet up tonight that I am not alone on this one. So I have seen two general practices to instantiate a new Fragment in an application Fragment newFragment new MyFragment and Fragment newFragment MyFragment.newInstance.. and Fragment newFragment MyFragment.newInstance The second option makes use of a static method newInstance and generally contains the following method. public static Fragment newInstance MyFragment myFragment new MyFragment return myFrgment..
How to import existing Android project into Eclipse? http://stackoverflow.com/questions/2231474/how-to-import-existing-android-project-into-eclipse description. Does anybody know how to get past this error android eclipse share improve this question File Import General Existing Projects into Workspace Next Select root directory path to project Projects Select All UNCHECK both Copy projects..
Getting the battery current values for the Android Phone http://stackoverflow.com/questions/2439619/getting-the-battery-current-values-for-the-android-phone of CurrentWidget. CurrentWidget is free software you can redistribute it and or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 3 of the License or at your option any later.. ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with CurrentWidget... A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with CurrentWidget. If not see http www.gnu.org licenses . package com.manor.currentwidget.library..
Android+Eclipse project sharing via SVN? http://stackoverflow.com/questions/3166947/androideclipse-project-sharing-via-svn what I do to open a project from SVN if the source is already on the machine Open eclipse Click on File Import Select General Existing Projects into Workspace Or you can also do this Open Eclipse File Import Select SVN Checkout Projects from SVN..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project host development system. Create a new folder libs in your Eclipse Android project. Right click libs and choose Import General File System then Next Browse in the filesystem to find the library's parent directory i.e. where you downloaded it to ...
http://stackoverflow.com/questions/3808167/android-sdk-manager-gives-failed-to-fetch-url-https-dl-ssl-google-com-android
Difference between iPhone Simulator and Android Emulator http://stackoverflow.com/questions/4544588/difference-between-iphone-simulator-and-android-emulator itself unless you simulate again memory warnings from the Simulator's menu item. In fact if you go to Settings General About you'll see that the Simulator's disk capacity is the same as the filesystem of the Mac it's installed on share improve..
How to duplicate an SDK-sample project into workspace? http://stackoverflow.com/questions/4928784/how-to-duplicate-an-sdk-sample-project-into-workspace Documents NotePad 3. Delete project from Package Explorer without deleting its files from disk 4. File Import... General Existing Projects into Workspace Next Browse C Users androideve Documents NotePad Check Copy projects into workspace Finish.. Android 2.2. Finish 3. Delete project from Package Explorer without deleting its files from disk 4. File Import... General Existing Projects into Workspace Next Browse C Users androideve Documents NotePad Check Copy projects into workspace Finish..
Call removeView() on the child's parent first http://stackoverflow.com/questions/6526874/call-removeview-on-the-childs-parent-first View.GONE Put the child view into scrollview's parent view parentLayout.addView scrollChildLayout General Idea means contains Before parentlayout scrollview scrollChildLayout After parentLayout scrollChildLayout The above code..
how to opening layout xml files in Android Layout Editor? http://stackoverflow.com/questions/7966734/how-to-opening-layout-xml-files-in-android-layout-editor
How to add a Library Project to a android project? http://stackoverflow.com/questions/8248196/how-to-add-a-library-project-to-a-android-project this mean How can I add the library to my existing project Import the library into your eclipse workspace File Import General Existing Projects into Workspace Next Select root directory path to project Projects Select All At this point it fails because..
http://stackoverflow.com/questions/8318290/r-java-not-generated file svn client share improve this question In general to make it work import project into eclipse File Import General Existing Projects into Workspace in Eclipse Manually create gen folder and add it as source folder right click on your project..
Eclipse indexer errors when using STL with Android NDK http://stackoverflow.com/questions/9375708/eclipse-indexer-errors-when-using-stl-with-android-ndk editor. Ultimately eclipse won't create my apk. I added path to the gnu STL headers shiped with the ndk Properties C C General Code Analasys Path symbols android ndk r7 sources cxx stl gnu libstdc include android ndk r7 sources cxx stl gnu libstdc.. question You have to add path to STL to project settings so that Eclipse indexes it as well. Project Properties C C General Includes. Here's what I have added path_to_NDK sources cxx stl gnu libstdc include path_to_NDK sources cxx stl gnu libstdc..
Google Android USB Driver and ADB http://stackoverflow.com/questions/9709263/google-android-usb-driver-and-adb to left upper or lower corner of screen to open charms bar and click settings charm. choose Change PC settings choose General Scroll down and click ˜Restart now under ˜Advanced startup Click ˜Troubleshoot Click ˜Advanced Options Click ˜Windows Startup..
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