¡@
2014/10/16 ¤W¤È 08:12:35
android Programming Glossary: doinghttp://stackoverflow.com/questions/1106202/android-ocr can be pretty CPU intensive you might want to reconsider doing it on a smart phone. That aside to my knowledge the popular..
How can I use external JARs in an Android project? http://stackoverflow.com/questions/1334802/how-can-i-use-external-jars-in-an-android-project called 'Referenced Libraries' within your project By doing this you will not lose your libraries that are being referenced..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar referenced the Google Play Services project. What am I doing wrong here android google maps android mapview google maps..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 send and receive MMS messages in a similar fashion. After doing some research many examples provided on blogs simply pass an.. extra to the SMSReceiver Update #3 Receiving MMS So after doing more research I saw some suggestions of registering a ContentObserver..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android changes you are going to handle yourself in this case by doing nothing. activity android name MainActivity android configChanges..
Standard Android Button with a different color http://stackoverflow.com/questions/1521640/standard-android-button-with-a-different-color android drawable @drawable red_button_rest selector But doing that requires that I actually create three different drawables.. easier way to go about changing a button's color than I'm doing android layout drawable share improve this question I discovered..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon data for maximum reliability. Our users log in and cant be doing that everytime they get a phonecall and Android decides to kill..
How to programatically take a screenshot on Android? http://stackoverflow.com/questions/2661536/how-to-programatically-take-a-screenshot-on-android
Custom Drawable for ProgressBar/ProgressDialog http://stackoverflow.com/questions/2819778/custom-drawable-for-progressbar-progressdialog But it still shows the same drawable as before. What am I doing wrong android progress bar progressdialog share improve this..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog service and post results to the UI with easily. If you are doing something like that in your app it could be really useful. 3...
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 method stub Please can someone tell me what's I'm doing wrong here android google maps android mapview kml share..
Android Launch an application from another application http://stackoverflow.com/questions/3872063/android-launch-an-application-from-another-application it is possible using intents but I didn't find a way of doing it. Does anyone have a link where to find the information android..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible produce output. Am I missing something obvious here and or doing something stupid Is it not possible to run two AsyncTasks at..
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 interact with rest of apps in normal manner. What I'm doing is subclass ViewGroup and add it to root window manager with..
Activity restart on rotation Android http://stackoverflow.com/questions/456211/activity-restart-on-rotation-android Using the Application Class Depending on what you're doing in your initialization you could consider creating a new class..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object the list view it worked fine again. FYI This is how I was doing it String from new String DBHelper.KEY_BUSINESSNAME DBHelper.KEY_ADDRESS..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds has found a good solution that doesn't involve what I'm doing writing several heavy routines that parse and measure the text..
http://stackoverflow.com/questions/995514/https-connection-android Connection Android I am doing a https post and I'm getting an exception of ssl exception Not..
How to get ndk-gdb working on Android? http://stackoverflow.com/questions/10534367/how-to-get-ndk-gdb-working-on-android after ndk build put APP_OPTIM debug in Application.mk file Doing anyone of these three things will automatically use O0 and g..
http://stackoverflow.com/questions/11699744/face-recognition-on-android mode at the moment but I think it is worth sharing. Doing face recognition with JavaCV from http pcbje.com I couldn ™t..
How to parse complex JSON file in android http://stackoverflow.com/questions/13576676/how-to-parse-complex-json-file-in-android AsyncTask String Void SimpleAdapter JSONObject jObject Doing the parsing of xml data in a non ui thread @Override protected..
Developing for Android in Eclipse: R.java not generating http://stackoverflow.com/questions/2757107/developing-for-android-in-eclipse-r-java-not-generating Win7 if that changes anything. From one of the comments Doing Project Clean is what caused the problem for me. Cleaning deletes..
ListView in ArrayAdapter order get's mixed up when scrolling http://stackoverflow.com/questions/2955218/listview-in-arrayadapter-order-gets-mixed-up-when-scrolling re appearing. If I scroll back up the old order changes. Doing this repeatedly eventually causes the entire list order to be..
http://stackoverflow.com/questions/3264610/findviewbyid-returns-null tv TextView findViewById R.id.txtLat which returns null . Doing this my Activity works fine. So maybe it's because of the Activity.findViewById..
How to inflate XML-Layout-File correctly inside Custom ViewGroup? http://stackoverflow.com/questions/4448779/how-to-inflate-xml-layout-file-correctly-inside-custom-viewgroup Class my Problem is that it produces just a empty screen. Doing the same in the Activity Class works fine. Here is my simple..
How to install trusted CA certificate on Android device? http://stackoverflow.com/questions/4461360/how-to-install-trusted-ca-certificate-on-android-device in several blog posts that I need to restart the device. Doing so results in the file being overwritten with the original one..
Android Screen Saver Sample Code http://stackoverflow.com/questions/5261388/android-screen-saver-sample-code android name android.intent.category.DEFAULT intent filter Doing it this way is a hack because a dialog box will pop up asking..
Do some Android UI stuff in non-UI thread http://stackoverflow.com/questions/6223389/do-some-android-ui-stuff-in-non-ui-thread Runnable public void run try DoSomething String response Doing something setChanged notifyObservers response DoSomethingElse.. notifyObservers response DoSomethingElse String response Doing something else setChanged notifyObservers response catch IOException..
Android obfuscate app using proguard keeps obfuscating library jars - or is it? http://stackoverflow.com/questions/6542631/android-obfuscate-app-using-proguard-keeps-obfuscating-library-jars-or-is-it echo echo Android Manifest has debuggable true echo echo Doing DEBUG packaging with RELEASE keys echo echo echo then else..
adb not finding my device / phone (MacOS X) http://stackoverflow.com/questions/7135999/adb-not-finding-my-device-phone-macos-x not finding my device phone MacOS X Doing Android development on a Mac and this very new phone I have..
Why are annotations under Android such a performance issue (slow)? http://stackoverflow.com/questions/7417426/why-are-annotations-under-android-such-a-performance-issue-slow bunch of append methods without a good initializing size. Doing the .equals by comparing fields would be significantly faster...
Authorative way to override onMeasure()? http://stackoverflow.com/questions/7423082/authorative-way-to-override-onmeasure UNSPECIFIED phase requesting a size of Integer.MAX_VALUE . Doing so gives you the max size your parent allows on the next pass..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state you after rotating and there is no need to add it again. Doing so is a common cause of errors when working with fragments...
Android: How do I force the update of all widgets of a particular kind http://stackoverflow.com/questions/8304387/android-how-do-i-force-the-update-of-all-widgets-of-a-particular-kind sees that data has changed I want to update my widgets. Doing this on a timer is annoying as it could be days between updates..
“Unable to find a userdata.img file for ABI armeabi…” http://stackoverflow.com/questions/9086630/unable-to-find-a-userdata-img-file-for-abi-armeabi Just not 2.3.3. Again I've read all the similar questions. Doing what I did seems to have solved the problem for several developers..
Android Broadcast Receiver for Sent SMS messages? http://stackoverflow.com/questions/990558/android-broadcast-receiver-for-sent-sms-messages not be necessary to specify the class in this intent. Doing that unnecessarily limits customizability. The best alternative..
FragmentActivity causing ClassNotFoundException http://stackoverflow.com/questions/9931040/fragmentactivity-causing-classnotfoundexception in Eclipse and choose Android Tools Add Support Library... Doing this means it is no longer necessary to go to Java Build Path..
http://stackoverflow.com/questions/1106202/android-ocr development android ocr share improve this question OCR can be pretty CPU intensive you might want to reconsider doing it on a smart phone. That aside to my knowledge the popular OCR libraries are Aspire and Tesseract . Neither are straight..
How can I use external JARs in an Android project? http://stackoverflow.com/questions/1334802/how-can-i-use-external-jars-in-an-android-project select Build Path Add to Build Path which will create a folder called 'Referenced Libraries' within your project By doing this you will not lose your libraries that are being referenced on your hard drive whenever you transfer your project to..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar 1034 at dalvik.system.NativeStart.main Native Method I've also referenced the Google Play Services project. What am I doing wrong here android google maps android mapview google maps android api 2 share improve this question According to discussion..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 application manifest However I was wondering if you could send and receive MMS messages in a similar fashion. After doing some research many examples provided on blogs simply pass an Intent to the native Messaging application. I am trying to.. not the SMSReceiver . How can I pass an extra to the SMSReceiver Update #3 Receiving MMS So after doing more research I saw some suggestions of registering a ContentObserver . That way you can detect when there are any changes..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android AndroidManifest.xml. This tells the system what configuration changes you are going to handle yourself in this case by doing nothing. activity android name MainActivity android configChanges keyboardHidden orientation See http developer.android.com..
Standard Android Button with a different color http://stackoverflow.com/questions/1521640/standard-android-button-with-a-different-color true android drawable @drawable red_button_focus item android drawable @drawable red_button_rest selector But doing that requires that I actually create three different drawables for each button I want to customize one for the button at.. some sort of color transform to the button. Is there an easier way to go about changing a button's color than I'm doing android layout drawable share improve this question I discovered that this can all be done in one file fairly easily...
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon case. Use a scheduled task via AlarmManager to update your data for maximum reliability. Our users log in and cant be doing that everytime they get a phonecall and Android decides to kill the app. There are many iPhone and Android applications..
How to programatically take a screenshot on Android? http://stackoverflow.com/questions/2661536/how-to-programatically-take-a-screenshot-on-android
Custom Drawable for ProgressBar/ProgressDialog http://stackoverflow.com/questions/2819778/custom-drawable-for-progressbar-progressdialog wrap_content style @style customProgressBar LinearLayout But it still shows the same drawable as before. What am I doing wrong android progress bar progressdialog share improve this question The following I use for creating a custom progress..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog is to make calls to external REST apis in a background service and post results to the UI with easily. If you are doing something like that in your app it could be really useful. 3. Use DownloadManager class GingerBread and newer only This..
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 String provider int status Bundle extras TODO Auto generated method stub Please can someone tell me what's I'm doing wrong here android google maps android mapview kml share improve this question In above code you don't pass the kml..
Android Launch an application from another application http://stackoverflow.com/questions/3872063/android-launch-an-application-from-another-application installed package from my Android application. I assume that it is possible using intents but I didn't find a way of doing it. Does anyone have a link where to find the information android android intent share improve this question If you..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible the order of the execute statements only the foo task will produce output. Am I missing something obvious here and or doing something stupid Is it not possible to run two AsyncTasks at the same time Edit I realized the phone in question runs Android..
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 on top left corner of screen all the time while user can freely interact with rest of apps in normal manner. What I'm doing is subclass ViewGroup and add it to root window manager with flag TYPE_SYSTEM_OVERLAY . Now I want to add a button clickable..
Activity restart on rotation Android http://stackoverflow.com/questions/456211/activity-restart-on-rotation-android android rotation android activity share improve this question Using the Application Class Depending on what you're doing in your initialization you could consider creating a new class that extends Application and moving your initialization code..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object for that would be nice. As soon as I disabled the image on the list view it worked fine again. FYI This is how I was doing it String from new String DBHelper.KEY_BUSINESSNAME DBHelper.KEY_ADDRESS DBHelper.KEY_CITY DBHelper.KEY_GPSLONG ..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds by step with every recursion . But I'm sure somebody out there has found a good solution that doesn't involve what I'm doing writing several heavy routines that parse and measure the text resize the text and repeat until a suitably small size has..
http://stackoverflow.com/questions/995514/https-connection-android Connection Android I am doing a https post and I'm getting an exception of ssl exception Not trusted server certificate. If i do normal http it is working..
How to get ndk-gdb working on Android? http://stackoverflow.com/questions/10534367/how-to-get-ndk-gdb-working-on-android application tag in AndroidManifest.xml file use NDK_DEBUG 1 after ndk build put APP_OPTIM debug in Application.mk file Doing anyone of these three things will automatically use O0 and g switches. Can you try running gdb manually without gdb script..
http://stackoverflow.com/questions/11699744/face-recognition-on-android I am posting it here because his blog seems to be in Maintenance mode at the moment but I think it is worth sharing. Doing face recognition with JavaCV from http pcbje.com I couldn ™t find any tutorial on how to perform face recognition using OpenCV..
How to parse complex JSON file in android http://stackoverflow.com/questions/13576676/how-to-parse-complex-json-file-in-android data and load ListView private class ListViewLoaderTask extends AsyncTask String Void SimpleAdapter JSONObject jObject Doing the parsing of xml data in a non ui thread @Override protected SimpleAdapter doInBackground String... strJson try jObject..
Developing for Android in Eclipse: R.java not generating http://stackoverflow.com/questions/2757107/developing-for-android-in-eclipse-r-java-not-generating and I don't have R.java now. How can I generate one I'm using Win7 if that changes anything. From one of the comments Doing Project Clean is what caused the problem for me. Cleaning deletes R.java...and for whatever reason the plugin is not regenerating..
ListView in ArrayAdapter order get's mixed up when scrolling http://stackoverflow.com/questions/2955218/listview-in-arrayadapter-order-gets-mixed-up-when-scrolling when I start to scroll down some of the earlier entries start re appearing. If I scroll back up the old order changes. Doing this repeatedly eventually causes the entire list order to be seemingly random. So scrolling the list is either causing..
http://stackoverflow.com/questions/3264610/findviewbyid-returns-null and in my custom view class ... TextView tv TextView findViewById R.id.txtLat which returns null . Doing this my Activity works fine. So maybe it's because of the Activity.findViewById and View.findViewById differences. So I..
How to inflate XML-Layout-File correctly inside Custom ViewGroup? http://stackoverflow.com/questions/4448779/how-to-inflate-xml-layout-file-correctly-inside-custom-viewgroup I want to inflate a XML Layout File in a custom ViewGroup Class my Problem is that it produces just a empty screen. Doing the same in the Activity Class works fine. Here is my simple XML Layout File shownumberlayout.xml RelativeLayout xmlns android..
How to install trusted CA certificate on Android device? http://stackoverflow.com/questions/4461360/how-to-install-trusted-ca-certificate-on-android-device does not seem to reload the file automatically. I have read in several blog posts that I need to restart the device. Doing so results in the file being overwritten with the original one again. My next try was to install the certificate from SD..
Android Screen Saver Sample Code http://stackoverflow.com/questions/5261388/android-screen-saver-sample-code category android name android.intent.category.HOME category android name android.intent.category.DEFAULT intent filter Doing it this way is a hack because a dialog box will pop up asking the user which one he wants to use yours or the default ...
Do some Android UI stuff in non-UI thread http://stackoverflow.com/questions/6223389/do-some-android-ui-stuff-in-non-ui-thread idea public class WorkerThread extends Observable implements Runnable public void run try DoSomething String response Doing something setChanged notifyObservers response DoSomethingElse String response Doing something else setChanged notifyObservers.. DoSomething String response Doing something setChanged notifyObservers response DoSomethingElse String response Doing something else setChanged notifyObservers response catch IOException e e.printStackTrace private void DoSomething private..
Android obfuscate app using proguard keeps obfuscating library jars - or is it? http://stackoverflow.com/questions/6542631/android-obfuscate-app-using-proguard-keeps-obfuscating-library-jars-or-is-it false if condition build.packaging.debug then echo echo echo Android Manifest has debuggable true echo echo Doing DEBUG packaging with RELEASE keys echo echo echo then else property only set in release mode. Useful for if unless..
adb not finding my device / phone (MacOS X) http://stackoverflow.com/questions/7135999/adb-not-finding-my-device-phone-macos-x not finding my device phone MacOS X Doing Android development on a Mac and this very new phone I have doesn't show up in the devices list in adb . Lots of other phones..
Why are annotations under Android such a performance issue (slow)? http://stackoverflow.com/questions/7417426/why-are-annotations-under-android-such-a-performance-issue-slow then comparing them. Each toString use StringBuilder with a bunch of append methods without a good initializing size. Doing the .equals by comparing fields would be significantly faster. EDIT An interesting reflection performance improvement was..
Authorative way to override onMeasure()? http://stackoverflow.com/questions/7423082/authorative-way-to-override-onmeasure
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state is added to the FragmentManager it will be recreated for you after rotating and there is no need to add it again. Doing so is a common cause of errors when working with fragments. A usual approach when working with fragments is this protected..
Android: How do I force the update of all widgets of a particular kind http://stackoverflow.com/questions/8304387/android-how-do-i-force-the-update-of-all-widgets-of-a-particular-kind services. Specifically if one of my existing services sees that data has changed I want to update my widgets. Doing this on a timer is annoying as it could be days between updates or there might be several within one hour. I want my widgets..
“Unable to find a userdata.img file for ABI armeabi…” http://stackoverflow.com/questions/9086630/unable-to-find-a-userdata-img-file-for-abi-armeabi successfully create a 4.x emulator with those parameters. Just not 2.3.3. Again I've read all the similar questions. Doing what I did seems to have solved the problem for several developers running Win7. Other questions end with someone saying..
Android Broadcast Receiver for Sent SMS messages? http://stackoverflow.com/questions/990558/android-broadcast-receiver-for-sent-sms-messages comment in the Sms application's source TODO Fix It should not be necessary to specify the class in this intent. Doing that unnecessarily limits customizability. The best alternative seems to be polling content sms sent potentially using a..
FragmentActivity causing ClassNotFoundException http://stackoverflow.com/questions/9931040/fragmentactivity-causing-classnotfoundexception Instead all I needed to do was right click on my project in Eclipse and choose Android Tools Add Support Library... Doing this means it is no longer necessary to go to Java Build Path and click Add External JARs... Many thanks to eMich for this..
|