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2014/10/16 ¤W¤È 08:15:20
android Programming Glossary: imagineHow can I catch SIGSEGV (segmentation fault) and get a stack trace under JNI on Android? http://stackoverflow.com/questions/1083154/how-can-i-catch-sigsegv-segmentation-fault-and-get-a-stack-trace-under-jni-on the email in some appropriate ways for your platform but I imagine the general approach should still work. share improve this..
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android go to a half open zombie state every NAT problem you can imagine carriers helpfully generating TCP ACKs to reduce latency never..
How can I update information in an Android Activity from a background Service http://stackoverflow.com/questions/2468874/how-can-i-update-information-in-an-android-activity-from-a-background-service the best way to approach this problem For example if you imagine a list of stock prices the data would be being changed regularly..
Two TextViews side by side, only one to ellipsize? http://stackoverflow.com/questions/3785221/two-textviews-side-by-side-only-one-to-ellipsize big enough to clear the right TextView . As you can imagine though this is not optimal. Are there any other solutions Final..
Multiple Table SQLite DB Adapter(s) in Android? http://stackoverflow.com/questions/4063510/multiple-table-sqlite-db-adapters-in-android DATABASE_TABLE args ROW_ID rowId null 0 So if you imagine I have one of these classes adapters for each table. When my..
Is there a listener for when the WebView displays it's content? http://stackoverflow.com/questions/4065134/is-there-a-listener-for-when-the-webview-displays-its-content ready to be scrolled ie. when it has its content height. I imagine I could setup a checking loop after it finished loading to keep..
http://stackoverflow.com/questions/4381033/multi-gradient-shapes for shapes in Java as well. It's kind of complex and I imagine there's a way to simplify it into a single shape but this is..
Sqlite issues with HTC Desire HD http://stackoverflow.com/questions/4718934/sqlite-issues-with-htc-desire-hd ordinary read only database still works fine as I cannot imagine that those devices would have passed compatibility tests with..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass correct me if I am wrong in parts or fill in any blanks. I imagine I am standing at 0 degrees longitude prime meridian and 0 degrees.. of two different techniques. Before I get to that imagine being back standing on that imaginary piece of land at 0 degrees.. around the the same X Y and Z axes as the phone. Now imagine someone now rotates you 90 degrees on the roundabout so that..
Screen blinking when using a webview with flash http://stackoverflow.com/questions/5095977/screen-blinking-when-using-a-webview-with-flash fill_parent WebView LinearLayout Please help me I cannot imagine I am the only one to face this issue. Thank a lot for any help...
Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie of it at all is seen to refresh. I'll give another example imagine my child view is a ball that animates by switching between yellow..
Separate Back Stack for each tab in Android using Fragments http://stackoverflow.com/questions/6987334/separate-back-stack-for-each-tab-in-android-using-fragments this seems like a really questionable thing to do. I can't imagine it resulting in a decent UI if the back key is going to do different..
Android app out of memory issues - tried everything and still at a loss http://stackoverflow.com/questions/7536988/android-app-out-of-memory-issues-tried-everything-and-still-at-a-loss to a badge list to other profiles to other lists etc. So imagine a flow like this P1 B1 P2 B2 P3 B3 etc. For consistency I'm..
Difference between ActionBarSherlock and ActionBar Compatibility http://stackoverflow.com/questions/7844517/difference-between-actionbarsherlock-and-actionbar-compatibility
How to query a web service via POST request in Android? http://stackoverflow.com/questions/9237082/how-to-query-a-web-service-via-post-request-in-android and TODOs. EDIT April 27 2012 As I read this post I imagine that something similar might apply to my problem. I haven't..
Detect if app was downloaded from Android Market http://stackoverflow.com/questions/986627/detect-if-app-was-downloaded-from-android-market to tell where it came from Market or non Market I would imagine one could detect the presence of the signed JAR file. android..
http://stackoverflow.com/questions/10051962/fragment-design-adapting-to-multiple-screen-layouts-by-showing-hiding-fragments for this. EDIT 1 Description of a Hypothetical Scenario Imagine an app which can display up to three panes at a time on the..
Activity side-by-side lifecycle http://stackoverflow.com/questions/10094131/activity-side-by-side-lifecycle side by side lifecycle Imagine that I have an Activity A and I'm starting a new activity B..
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes create one temporarily but use the creations indefinitely. Imagine what happens when we change the constructor just slightly. public..
http://stackoverflow.com/questions/12152833/listview-or-tablelayout may only be large enough to display 7 at once however. Imagine you use a LinearLayout inside a ScrollView to show 100 list..
Problems with Android Fragment back stack http://stackoverflow.com/questions/12529499/problems-with-android-fragment-back-stack and would be most grateful for any help that is offered. Imagine you have 3 Fragments 1 2 3 I want the user to be able to navigate..
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen a HTC G1 my sreen is 320 px in width and 480 px in height. Imagine you capture the down value of a action down motion event when..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass and longitude standing in the direction mentioned above. Imagine also that you are blindfolded and your shoes are fixed to a..
Highlight ListView selected row http://stackoverflow.com/questions/5058291/highlight-listview-selected-row android developers.blogspot.de 2008 12 touch mode.html Imagine a simple application ApiDemos for example that shows a list..
Can Honeycomb Loaders solve problems with AsyncTask + UI update? http://stackoverflow.com/questions/5097565/can-honeycomb-loaders-solve-problems-with-asynctask-ui-update the new Activity. This can lead to OutOfMemoryException. Imagine that you have an Activity with lots of bitmaps and start some..
Android: clearing the full activity stack http://stackoverflow.com/questions/5154743/android-clearing-the-full-activity-stack activity started by a a background service notification. Imagine that my app allows you to organise a list of people. A few hours..
What is the best method to render video frames? http://stackoverflow.com/questions/5666513/what-is-the-best-method-to-render-video-frames that you calculate the value of each pixel individually. Imagine for a frame of 1280 x 720 pixels how many operations this ends..
Is it possible to dynamically load a library at runtime from an Android application? http://stackoverflow.com/questions/6857807/is-it-possible-to-dynamically-load-a-library-at-runtime-from-an-android-applicat and use a Java library at runtime Here is an example Imagine that the application needs to make some calculations depending..
Looking for Android ViewFlipper Example with Multiple WebViews http://stackoverflow.com/questions/7461879/looking-for-android-viewflipper-example-with-multiple-webviews try now is horizontal swiping of different web resources. Imagine a main home page at one url a categories page at another url..
How can I use FragmentManager to display Fragment A, B, C,… in a FrameLayout? http://stackoverflow.com/questions/7790945/how-can-i-use-fragmentmanager-to-display-fragment-a-b-c-in-a-framelayout As you can see in my xml FRAGMENT_A is hardcoded. Imagine I want to switch between 6 different fragments what shoulmd..
How to get the .apk file of an application programatically http://stackoverflow.com/questions/8307034/how-to-get-the-apk-file-of-an-application-programatically It should save its .apk file to the sdcard . Imagine i have a Button. On clicking it i have to save the .apk file..
android stream audio to server http://stackoverflow.com/questions/8576427/android-stream-audio-to-server will allow you to handle connection breaks gracefully. Imagine you're recording and user goes through a tunnel and loses internet..
Detect fling gesture over clickable items http://stackoverflow.com/questions/9181529/detect-fling-gesture-over-clickable-items fling gesture over clickable items Imagine a layout with 4 buttons _______________________________ A..
Disabling “Force Stop” Button in Android http://stackoverflow.com/questions/9477606/disabling-force-stop-button-in-android making this possible would be a huge security disaster. Imagine what would happen if you could create apps which just ate at..
How can I catch SIGSEGV (segmentation fault) and get a stack trace under JNI on Android? http://stackoverflow.com/questions/1083154/how-can-i-catch-sigsegv-segmentation-fault-and-get-a-stack-trace-under-jni-on
JDBC vs Web Service for Android http://stackoverflow.com/questions/15853367/jdbc-vs-web-service-for-android connection tracking that cause connections to fail or go to a half open zombie state every NAT problem you can imagine carriers helpfully generating TCP ACKs to reduce latency never mind the problems that causes with packet loss discovery..
How can I update information in an Android Activity from a background Service http://stackoverflow.com/questions/2468874/how-can-i-update-information-in-an-android-activity-from-a-background-service I set up my Activity to be listening to the Service Is this the best way to approach this problem For example if you imagine a list of stock prices the data would be being changed regularly and need to be in sync with the in my case Service that..
Two TextViews side by side, only one to ellipsize? http://stackoverflow.com/questions/3785221/two-textviews-side-by-side-only-one-to-ellipsize to use a RelativeLayout and put a marginRight on the left TextView big enough to clear the right TextView . As you can imagine though this is not optimal. Are there any other solutions Final LinearLayout solution LinearLayout android layout_height..
Multiple Table SQLite DB Adapter(s) in Android? http://stackoverflow.com/questions/4063510/multiple-table-sqlite-db-adapters-in-android name args.put MODEL model args.put YEAR year return this.mDb.update DATABASE_TABLE args ROW_ID rowId null 0 So if you imagine I have one of these classes adapters for each table. When my app splash screen starts I use the technique presented Android..
Is there a listener for when the WebView displays it's content? http://stackoverflow.com/questions/4065134/is-there-a-listener-for-when-the-webview-displays-its-content am trying to find a solid way to determine when the page is ready to be scrolled ie. when it has its content height. I imagine I could setup a checking loop after it finished loading to keep looking for when the height is available but that seemed..
http://stackoverflow.com/questions/4381033/multi-gradient-shapes that works haha. Right now it works in XML but should be doable for shapes in Java as well. It's kind of complex and I imagine there's a way to simplify it into a single shape but this is what I've got for now green_horizontal_gradient.xml xml version..
Sqlite issues with HTC Desire HD http://stackoverflow.com/questions/4718934/sqlite-issues-with-htc-desire-hd schlepping out of assets is causing this problem where an ordinary read only database still works fine as I cannot imagine that those devices would have passed compatibility tests with broken read only database support But I would think it is..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass understanding of it and hopefully people will be able to correct me if I am wrong in parts or fill in any blanks. I imagine I am standing at 0 degrees longitude prime meridian and 0 degrees latitude equator . This location is actually in the sea.. seems that the phone works out its orientation using a combination of two different techniques. Before I get to that imagine being back standing on that imaginary piece of land at 0 degrees latitude and longitude standing in the direction mentioned.. down or up . Therefore humans can detect alignment and rotation around the the same X Y and Z axes as the phone. Now imagine someone now rotates you 90 degrees on the roundabout so that you are now facing East. You are being rotated around the Y..
Screen blinking when using a webview with flash http://stackoverflow.com/questions/5095977/screen-blinking-when-using-a-webview-with-flash android layout_height fill_parent android layout_width fill_parent WebView LinearLayout Please help me I cannot imagine I am the only one to face this issue. Thank a lot for any help. You have all my code and the demo apk. android flash adobe..
Extending RelativeLayout, and overriding dispatchDraw() to create a zoomable ViewGroup http://stackoverflow.com/questions/6378904/extending-relativelayout-and-overriding-dispatchdraw-to-create-a-zoomable-vie away from where it was with a scale of 1 then no part of it at all is seen to refresh. I'll give another example imagine my child view is a ball that animates by switching between yellow and red. If I zoom in a little bit such that the ball..
Separate Back Stack for each tab in Android using Fragments http://stackoverflow.com/questions/6987334/separate-back-stack-for-each-tab-in-android-using-fragments and manage your own back stacks for each tab. To be honest this seems like a really questionable thing to do. I can't imagine it resulting in a decent UI if the back key is going to do different things depending on the tab I am especially if the..
Android app out of memory issues - tried everything and still at a loss http://stackoverflow.com/questions/7536988/android-app-out-of-memory-issues-tried-everything-and-still-at-a-loss with data for example badges B . You can hop from profile to a badge list to other profiles to other lists etc. So imagine a flow like this P1 B1 P2 B2 P3 B3 etc. For consistency I'm loading profiles and badges of the same user so each P page..
Difference between ActionBarSherlock and ActionBar Compatibility http://stackoverflow.com/questions/7844517/difference-between-actionbarsherlock-and-actionbar-compatibility
How to query a web service via POST request in Android? http://stackoverflow.com/questions/9237082/how-to-query-a-web-service-via-post-request-in-android refuses to consume. The minor problems are stated in the comments and TODOs. EDIT April 27 2012 As I read this post I imagine that something similar might apply to my problem. I haven't tried yet. EDIT May 09 2012 Here is the error message from Eclipse..
Detect if app was downloaded from Android Market http://stackoverflow.com/questions/986627/detect-if-app-was-downloaded-from-android-market is downloaded from Android Market. Is this possible for an app to tell where it came from Market or non Market I would imagine one could detect the presence of the signed JAR file. android share improve this question Yes you could use the signature..
http://stackoverflow.com/questions/10051962/fragment-design-adapting-to-multiple-screen-layouts-by-showing-hiding-fragments cannot be shown hidden in XML one must use FragmentTransaction for this. EDIT 1 Description of a Hypothetical Scenario Imagine an app which can display up to three panes at a time on the screen. Further these are the factors to consider A phone can..
Activity side-by-side lifecycle http://stackoverflow.com/questions/10094131/activity-side-by-side-lifecycle side by side lifecycle Imagine that I have an Activity A and I'm starting a new activity B from that one. What will be the Activities lifecycle side by..
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes think. We don't need the creator just its creations. So we create one temporarily but use the creations indefinitely. Imagine what happens when we change the constructor just slightly. public class SwissCheese Can't have swiss cheese without some..
http://stackoverflow.com/questions/12152833/listview-or-tablelayout You want a scrolling vertical list of 100 items. The screen may only be large enough to display 7 at once however. Imagine you use a LinearLayout inside a ScrollView to show 100 list items. That means the LinearLayout container has 100 child Views..
Problems with Android Fragment back stack http://stackoverflow.com/questions/12529499/problems-with-android-fragment-back-stack with the way the android fragment backstack seems to work and would be most grateful for any help that is offered. Imagine you have 3 Fragments 1 2 3 I want the user to be able to navigate 1 2 3 but on the way back pressing back button 3 1 . As..
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen the viewflipper that I initialized earlier. Since I have a HTC G1 my sreen is 320 px in width and 480 px in height. Imagine you capture the down value of a action down motion event when you touch the screen. Then you move your finger and the screen..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass on that imaginary piece of land at 0 degrees latitude and longitude standing in the direction mentioned above. Imagine also that you are blindfolded and your shoes are fixed to a playground roundabout. If someone shoves you in the back you..
Highlight ListView selected row http://stackoverflow.com/questions/5058291/highlight-listview-selected-row row highlight share improve this question Quoted from http android developers.blogspot.de 2008 12 touch mode.html Imagine a simple application ApiDemos for example that shows a list of text items. The user can freely navigate through the list..
Can Honeycomb Loaders solve problems with AsyncTask + UI update? http://stackoverflow.com/questions/5097565/can-honeycomb-loaders-solve-problems-with-asynctask-ui-update old destroyed Activity therefore it can't update the UI of the new Activity. This can lead to OutOfMemoryException. Imagine that you have an Activity with lots of bitmaps and start some AsyncTask. You press BACK Activity is finished but the AsyncTask..
Android: clearing the full activity stack http://stackoverflow.com/questions/5154743/android-clearing-the-full-activity-stack the current activity stack . The context of my app is an activity started by a a background service notification. Imagine that my app allows you to organise a list of people. A few hours ago you were viewing person X in the View activity that's..
What is the best method to render video frames? http://stackoverflow.com/questions/5666513/what-is-the-best-method-to-render-video-frames frames to RGB. Color space conversions like YV12 RGB require that you calculate the value of each pixel individually. Imagine for a frame of 1280 x 720 pixels how many operations this ends up being. What I've just described is really what SIMD was..
Is it possible to dynamically load a library at runtime from an Android application? http://stackoverflow.com/questions/6857807/is-it-possible-to-dynamically-load-a-library-at-runtime-from-an-android-applicat Is there any way to make an Android application to download and use a Java library at runtime Here is an example Imagine that the application needs to make some calculations depending on the input values. The application asks for these input..
Looking for Android ViewFlipper Example with Multiple WebViews http://stackoverflow.com/questions/7461879/looking-for-android-viewflipper-example-with-multiple-webviews android apps that do exactly that. What i would like to try now is horizontal swiping of different web resources. Imagine a main home page at one url a categories page at another url and a search page at another url. I would like to create a..
How can I use FragmentManager to display Fragment A, B, C,… in a FrameLayout? http://stackoverflow.com/questions/7790945/how-can-i-use-fragmentmanager-to-display-fragment-a-b-c-in-a-framelayout layout_width 0dp android layout_height match_parent FrameLayout As you can see in my xml FRAGMENT_A is hardcoded. Imagine I want to switch between 6 different fragments what shoulmd I do Put all my 6 Fragments in the XML or is there a way to..
How to get the .apk file of an application programatically http://stackoverflow.com/questions/8307034/how-to-get-the-apk-file-of-an-application-programatically I want to create an application which has following functionality. It should save its .apk file to the sdcard . Imagine i have a Button. On clicking it i have to save the .apk file of the application. Note Excuse me if my question is weird...
android stream audio to server http://stackoverflow.com/questions/8576427/android-stream-audio-to-server to the socket directly like you did. Because buffering locally will allow you to handle connection breaks gracefully. Imagine you're recording and user goes through a tunnel and loses internet connection if you're streaming directly the socket would..
Detect fling gesture over clickable items http://stackoverflow.com/questions/9181529/detect-fling-gesture-over-clickable-items fling gesture over clickable items Imagine a layout with 4 buttons _______________________________ A B ______________ ________________ C D ______________ ________________..
Disabling “Force Stop” Button in Android http://stackoverflow.com/questions/9477606/disabling-force-stop-button-in-android remotely possible for great reason. You should tell her that making this possible would be a huge security disaster. Imagine what would happen if you could create apps which just ate at your processor time by holding a wake lock and you couldn't..
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