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2014/10/16 ¤W¤È 08:10:28
android Programming Glossary: basicBitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled you the size of the image before downloading and on the basic of that you can check the size of your device and scale it using..
Draw text in OpenGL ES (Android) http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android get your feet wet but note that while it seems simple and basic features are it get's harder and more challenging as you add..
How should I validate an e-mail address on Android? http://stackoverflow.com/questions/1819142/how-should-i-validate-an-e-mail-address-on-android bounces then it's not valid. If you want to perform some basic checks you could just check that it's in the form @ If you have..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android layout class into one which overrides onMeasure . The basic logic is that if the layout finds itself filling significantly..
http://stackoverflow.com/questions/2251714/set-title-background-color color In my android application I want the standard basic title bar to change color. To change the text color you have..
http://stackoverflow.com/questions/2253061/secure-http-post-in-android HTTP Post in Android I have a pretty basic helper class that I'm using to do all my Http Get Post stuff...
Remove all debug logging calls before publishing: are there tools to do this? http://stackoverflow.com/questions/2446248/remove-all-debug-logging-calls-before-publishing-are-there-tools-to-do-this short methods where appropriate. For example here's a very basic ProGuard config for Android dontskipnonpubliclibraryclasses..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android will fail even if your database doesn't get corrupted. The basic answer. The SqliteOpenHelper object holds on to one database..
Android popup window dismissal http://stackoverflow.com/questions/3121232/android-popup-window-dismissal Check out some code I wrote to help with this. In the basic case you can to call PopupWindow#setBackgroundDrawable new BitmapDrawable.. and puts your content view in it. PopupViewContainer is basically a FrameLayout that listens for touch events and the KeyEvent.KEYCODE_BACK..
How to Define Callbacks in Android? http://stackoverflow.com/questions/3398363/how-to-define-callbacks-in-android onActivityResult for example . I feel like I have a basic understanding of the design pattern but I keep on getting tripped..
Change title bar text in Android http://stackoverflow.com/questions/3438276/change-title-bar-text-in-android Styling the Action Bar The Action bar provides you a basic and familiar looks navigation modes and other quick actions..
Implement page curl on android? http://stackoverflow.com/questions/3912849/implement-page-curl-on-android r 1 cos beta sin theta v1.z r 1 cos beta cos theta Apply a basic rotation transform around the y axis to rotate the curled page...
Get referrer after installing app from Android Market http://stackoverflow.com/questions/4093150/get-referrer-after-installing-app-from-android-market intent filter receiver and created a basic BroadcastReceiver class public class Receiver extends BroadcastReceiver..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget Lock screen interaction is difficult. Android allows basic operations with two window flags FLAG_SHOW_WHEN_LOCKED and FLAG_DISMISS_KEYGUARD..
http://stackoverflow.com/questions/4459058/alarm-manager-example but I can`t find any examples. Can anyone help me with a basic alarm manager program android alarmmanager share improve..
http://stackoverflow.com/questions/4725773/ffmpeg-on-android the ffmpeg binary itself is a good example here 's a basic tutorial. The best documentation can be found in the headers...
Handler vs AsyncTask vs Thread http://stackoverflow.com/questions/6964011/handler-vs-asynctask-vs-thread Threads however can't interact with the UI provide more basic threading and you miss all the abstractions of AsyncTasks. However..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection basic gesture detection I've been battling to get 'fling' gesture..
Digit Recogntion using OpenCV on android [closed] http://stackoverflow.com/questions/10107258/digit-recogntion-using-opencv-on-android for How to use Opencv for Document Recognition with OCR Basic OCR in OpenCV Simple Digit Recognition OCR in OpenCV Python..
Samsung Galaxy S II AVD (Android Virtual Device) Basic Settings? http://stackoverflow.com/questions/10641744/samsung-galaxy-s-ii-avd-android-virtual-device-basic-settings Galaxy S II AVD Android Virtual Device Basic Settings I would like to create an AVD of the Samsung Galaxy..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android I would have liked to share Android tutorials DroidNova Basic tutorial covering polygons no textures anddev forum with some..
Android Volley - Quickstart [closed] http://stackoverflow.com/questions/17278866/android-volley-quickstart String getHeaders throws AuthFailureError return createBasicAuthHeader user passwd Map String String createBasicAuthHeader.. createBasicAuthHeader user passwd Map String String createBasicAuthHeader String username String password Map String String.. Base64.NO_WRAP headerMap.put Authorization Basic base64EncodedCredentials return headerMap How to cancel request..
Dynamically changing the fragments inside a fragment tab host? http://stackoverflow.com/questions/18120510/dynamically-changing-the-fragments-inside-a-fragment-tab-host appreciated... android share improve this question Basic concept We can achieve this by creating a container. Each tab..
How to do HTTP authentication in android? http://stackoverflow.com/questions/1968416/how-to-do-http-authentication-in-android there but there's a simple workaround if you only want Basic auth don't bother with Authenticator and instead do this c.setRequestProperty..
Android Twitter xAuth example using twitter4j http://stackoverflow.com/questions/3528458/android-twitter-xauth-example-using-twitter4j exception Exception Msg java.lang.IllegalStateException Basic authenticated instance. Any working example of xAuth android..
Game engine for iPhone/Android [closed] http://stackoverflow.com/questions/3996793/game-engine-for-iphone-android It's something I am interested in. It supports Basic as well as C . I think that Marmalade is really powerful. I've..
http://stackoverflow.com/questions/4014391/anyone-doing-c2dm-on-android svn trunk chrometophone read only Basic things you should understand. In the C2DMBaseReciever class..
launch facebook app from other app http://stackoverflow.com/questions/4191492/launch-facebook-app-from-other-app At least I tested it with adb shell using am start ..... . Basic is String uri facebook facebook.com inbox Intent intent new..
Android question: implementing a rich text editor? http://stackoverflow.com/questions/4283755/android-question-implementing-a-rich-text-editor a web page using HTML and Javascript. My requirements are Basic formatting color fonts highlight bold italic underline etc...
Using Global Exception Handling on android http://stackoverflow.com/questions/4427515/using-global-exception-handling-on-android use the Thread.setDefaultUncaughtExceptionHandler method Basically I'm trying to display a custom alert dialog whenever an.. Regards Gratzi android share improve this question Basic Example for someone who comes to this page with solution public..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file are accessible on your computer as described above in the Basic Setup for Signing. To create a signed and aligned .apk in Eclipse..
Android application Wi-Fi device - AP connectivity http://stackoverflow.com/questions/5233068/android-application-wi-fi-device-ap-connectivity splitted line.split if splitted null splitted.length 4 Basic sanity check String mac splitted 3 if mac.matches .. .. ....
Reusing SSL Sessions in Android with HttpClient http://stackoverflow.com/questions/5643704/reusing-ssl-sessions-in-android-with-httpclient getNewHttpClient Context context try HttpParams params new BasicHttpParams HttpProtocolParams.setVersion params HttpVersion.HTTP_1_1.. HttpContext createHttpContext HttpContext context new BasicHttpContext context.setAttribute ClientContext.AUTHSCHEME_REGISTRY.. getCredentialsProvider CookieStore cookieStore new BasicCookieStore Create a local instance of cookie store context.setAttribute..
onDestroy gets called each time the screen goes on http://stackoverflow.com/questions/6772988/ondestroy-gets-called-each-time-the-screen-goes-on gets tested on a real Android Device. Here some Basic code removed all unnecessary lines and information package imports..
Is it possible for TextView Marquee in a Widget that extends AppWidgetProvider? http://stackoverflow.com/questions/7868748/is-it-possible-for-textview-marquee-in-a-widget-that-extends-appwidgetprovider read everywhere and I can't seem to find any solution. Basic problem is that I have a TextView in a widget and I would like..
Android ServerSocket programming with jCIFS streaming files http://stackoverflow.com/questions/9058135/android-serversocket-programming-with-jcifs-streaming-files serversocket smb jcifs share improve this question Basic answer is to use SmbFileInputStream to get InputStream You probably.. and multiple connects with different Range values. Basic tasks of http server create ServerSocket create Thread waiting..
Bitmap recycle with largeHeap enabled http://stackoverflow.com/questions/12716574/bitmap-recycle-with-largeheap-enabled int imageWidth options.outWidth This will give you the size of the image before downloading and on the basic of that you can check the size of your device and scale it using calculateInSampleSize and decodeSampledBitmapFromResource..
Draw text in OpenGL ES (Android) http://stackoverflow.com/questions/1339136/draw-text-in-opengl-es-android second best choice if 2 isn't an option. A good way to get your feet wet but note that while it seems simple and basic features are it get's harder and more challenging as you add more features texture alignment dealing with line breaks variable..
How should I validate an e-mail address on Android? http://stackoverflow.com/questions/1819142/how-should-i-validate-an-e-mail-address-on-android send a confirmation e mail to the address provided and it it bounces then it's not valid. If you want to perform some basic checks you could just check that it's in the form @ If you have some business logic specific validation then you could perform..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android which is quite often then what I do is customize my top level layout class into one which overrides onMeasure . The basic logic is that if the layout finds itself filling significantly less than the total area of the window then a soft keyboard..
http://stackoverflow.com/questions/2251714/set-title-background-color title background color In my android application I want the standard basic title bar to change color. To change the text color you have setTitleColor int color is there a way to change the background..
http://stackoverflow.com/questions/2253061/secure-http-post-in-android HTTP Post in Android I have a pretty basic helper class that I'm using to do all my Http Get Post stuff. I'm using HttpGet HttpPost and HttpClient from the org.apache.http..
Remove all debug logging calls before publishing: are there tools to do this? http://stackoverflow.com/questions/2446248/remove-all-debug-logging-calls-before-publishing-are-there-tools-to-do-this statements empty blocks and can automatically inline short methods where appropriate. For example here's a very basic ProGuard config for Android dontskipnonpubliclibraryclasses dontobfuscate forceprocessing optimizationpasses 5 keep class..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android and use them. There are situations where your update calls will fail even if your database doesn't get corrupted. The basic answer. The SqliteOpenHelper object holds on to one database connection. It appears to offer you a read and write connection..
Android popup window dismissal http://stackoverflow.com/questions/3121232/android-popup-window-dismissal to onTouch or onKey events unless it has a background that null. Check out some code I wrote to help with this. In the basic case you can to call PopupWindow#setBackgroundDrawable new BitmapDrawable to force it to act the way you expect. You won't.. of PopupViewContainer and calls setBackgroundDrawable on that and puts your content view in it. PopupViewContainer is basically a FrameLayout that listens for touch events and the KeyEvent.KEYCODE_BACK event to dismiss the window. If background..
How to Define Callbacks in Android? http://stackoverflow.com/questions/3398363/how-to-define-callbacks-in-android implemented callbacks so far have been overriding various methods onActivityResult for example . I feel like I have a basic understanding of the design pattern but I keep on getting tripped up on how to handle the return path. Thank you for any..
Change title bar text in Android http://stackoverflow.com/questions/3438276/change-title-bar-text-in-android R.color.title_bar_gray actionBar.setTitle heading actionBar.show Styling the Action Bar The Action bar provides you a basic and familiar looks navigation modes and other quick actions perform. But it doesn't means it looks same in every apps. You..
Implement page curl on android? http://stackoverflow.com/questions/3912849/implement-page-curl-on-android beta asin vi.x R sin theta MAGIC v1.x r sin beta v1.y R A r 1 cos beta sin theta v1.z r 1 cos beta cos theta Apply a basic rotation transform around the y axis to rotate the curled page. These two steps could be combined through simple substitution..
Get referrer after installing app from Android Market http://stackoverflow.com/questions/4093150/get-referrer-after-installing-app-from-android-market true intent filter action android name com.android.vending.INSTALL_REFERRER intent filter receiver and created a basic BroadcastReceiver class public class Receiver extends BroadcastReceiver @Override public void onReceive Context context..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget android android widget lockscreen share improve this question Lock screen interaction is difficult. Android allows basic operations with two window flags FLAG_SHOW_WHEN_LOCKED and FLAG_DISMISS_KEYGUARD . FLAG_SHOW_WHEN_LOCKED works pretty consistently..
http://stackoverflow.com/questions/4459058/alarm-manager-example in my project. So I Googled for an Alarm manager program but I can`t find any examples. Can anyone help me with a basic alarm manager program android alarmmanager share improve this question This is working code. It wakes CPU every 10 minutes..
http://stackoverflow.com/questions/4725773/ffmpeg-on-android
Handler vs AsyncTask vs Thread http://stackoverflow.com/questions/6964011/handler-vs-asynctask-vs-thread fetching webservices. Later you can interact with the UI. Threads however can't interact with the UI provide more basic threading and you miss all the abstractions of AsyncTasks. However I would like to have a socket connection run in a service...
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection basic gesture detection I've been battling to get 'fling' gesture detection working on my Android application today. I've been..
Digit Recogntion using OpenCV on android [closed] http://stackoverflow.com/questions/10107258/digit-recogntion-using-opencv-on-android places that can really help you achieve what you are looking for How to use Opencv for Document Recognition with OCR Basic OCR in OpenCV Simple Digit Recognition OCR in OpenCV Python On SuDoKu Grabber with OpenCV check item 5 Recognizing digits..
Samsung Galaxy S II AVD (Android Virtual Device) Basic Settings? http://stackoverflow.com/questions/10641744/samsung-galaxy-s-ii-avd-android-virtual-device-basic-settings Galaxy S II AVD Android Virtual Device Basic Settings I would like to create an AVD of the Samsung Galaxy S II. The sole purpose is to test websites with it's default..
Tutorials and libraries for OpenGL-ES games on Android [closed] http://stackoverflow.com/questions/1629775/tutorials-and-libraries-for-opengl-es-games-on-android the same. I have found the following useful information which I would have liked to share Android tutorials DroidNova Basic tutorial covering polygons no textures anddev forum with some tutorials Other Android OpenGL ES information Google IO lecture..
Android Volley - Quickstart [closed] http://stackoverflow.com/questions/17278866/android-volley-quickstart url listener errorListener @Override public Map String String getHeaders throws AuthFailureError return createBasicAuthHeader user passwd Map String String createBasicAuthHeader String username String password Map String String headerMap.. Map String String getHeaders throws AuthFailureError return createBasicAuthHeader user passwd Map String String createBasicAuthHeader String username String password Map String String headerMap new HashMap String String String credentials username.. String base64EncodedCredentials Base64.encodeToString credentials.getBytes Base64.NO_WRAP headerMap.put Authorization Basic base64EncodedCredentials return headerMap How to cancel request StringRequest request1 new StringRequest ... request1.setTag..
Dynamically changing the fragments inside a fragment tab host? http://stackoverflow.com/questions/18120510/dynamically-changing-the-fragments-inside-a-fragment-tab-host replacing fragments inside tabs if any solution greatly appreciated... android share improve this question Basic concept We can achieve this by creating a container. Each tab will be assigned with a specific container. Now when we need..
How to do HTTP authentication in android? http://stackoverflow.com/questions/1968416/how-to-do-http-authentication-in-android issue 4326 . I've linked a suggested fix to the platform there but there's a simple workaround if you only want Basic auth don't bother with Authenticator and instead do this c.setRequestProperty Authorization basic Base64.encode myuser mypass..
Android Twitter xAuth example using twitter4j http://stackoverflow.com/questions/3528458/android-twitter-xauth-example-using-twitter4j mAccessToken twitter.getOAuthAccessToken and again I got exception Exception Msg java.lang.IllegalStateException Basic authenticated instance. Any working example of xAuth android twitter twitter4j xauth share improve this question I..
Game engine for iPhone/Android [closed] http://stackoverflow.com/questions/3996793/game-engine-for-iphone-android completely free and open source. There is also http www.appgamekit.com It's something I am interested in. It supports Basic as well as C . I think that Marmalade is really powerful. I've messed around with it. And highly recommend it. If you are..
http://stackoverflow.com/questions/4014391/anyone-doing-c2dm-on-android source checkout or svn it svn checkout http chrometophone.googlecode.com svn trunk chrometophone read only Basic things you should understand. In the C2DMBaseReciever class you have @Override public final void onHandleIntent Intent intent..
launch facebook app from other app http://stackoverflow.com/questions/4191492/launch-facebook-app-from-other-app I tested it with my current facebook app and it works. At least I tested it with adb shell using am start ..... . Basic is String uri facebook facebook.com inbox Intent intent new Intent Intent.ACTION_VIEW Uri.parse uri startActivity intent..
Android question: implementing a rich text editor? http://stackoverflow.com/questions/4283755/android-question-implementing-a-rich-text-editor be used in an Android application not the one embedded in a web page using HTML and Javascript. My requirements are Basic formatting color fonts highlight bold italic underline etc. Hyperlinks Inline images Bullet lists and numbered lists Inline..
Using Global Exception Handling on android http://stackoverflow.com/questions/4427515/using-global-exception-handling-on-android on android Is there an example code or a tutorial on how to use the Thread.setDefaultUncaughtExceptionHandler method Basically I'm trying to display a custom alert dialog whenever an exception is thrown in my application. Is it possible to do.. the ui thread but I don't know any work around for this. Best Regards Gratzi android share improve this question Basic Example for someone who comes to this page with solution public class ChildActivity extends BaseActivity @SuppressWarnings..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file uses both Keytool and Jarsigner you should ensure that they are accessible on your computer as described above in the Basic Setup for Signing. To create a signed and aligned .apk in Eclipse Select the project in the Package Explorer and select..
Android application Wi-Fi device - AP connectivity http://stackoverflow.com/questions/5233068/android-application-wi-fi-device-ap-connectivity proc net arp String line while line br.readLine null String splitted line.split if splitted null splitted.length 4 Basic sanity check String mac splitted 3 if mac.matches .. .. .. .. .. .. macCount catch Exception e e.printStackTrace finally..
Reusing SSL Sessions in Android with HttpClient http://stackoverflow.com/questions/5643704/reusing-ssl-sessions-in-android-with-httpclient problem. I've set up the httpClient via public HttpClient getNewHttpClient Context context try HttpParams params new BasicHttpParams HttpProtocolParams.setVersion params HttpVersion.HTTP_1_1 HttpProtocolParams.setContentCharset params HTTP.UTF_8.. ccm HttpParams params super ccm params @Override protected HttpContext createHttpContext HttpContext context new BasicHttpContext context.setAttribute ClientContext.AUTHSCHEME_REGISTRY getAuthSchemes context.setAttribute ClientContext.COOKIESPEC_REGISTRY.. getCookieSpecs context.setAttribute ClientContext.CREDS_PROVIDER getCredentialsProvider CookieStore cookieStore new BasicCookieStore Create a local instance of cookie store context.setAttribute ClientContext.COOKIE_STORE cookieStore return context..
onDestroy gets called each time the screen goes on http://stackoverflow.com/questions/6772988/ondestroy-gets-called-each-time-the-screen-goes-on sdk for my application if this is important. EDIT The application gets tested on a real Android Device. Here some Basic code removed all unnecessary lines and information package imports public class WebLabActivity extends TabActivity implements..
Is it possible for TextView Marquee in a Widget that extends AppWidgetProvider? http://stackoverflow.com/questions/7868748/is-it-possible-for-textview-marquee-in-a-widget-that-extends-appwidgetprovider I am very new to Android programming and I have read everywhere and I can't seem to find any solution. Basic problem is that I have a TextView in a widget and I would like the text to scroll when the text is longer than the TextView..
Android ServerSocket programming with jCIFS streaming files http://stackoverflow.com/questions/9058135/android-serversocket-programming-with-jcifs-streaming-files Intent from that server. How can this be achieved android serversocket smb jcifs share improve this question Basic answer is to use SmbFileInputStream to get InputStream You probably use this. Now the tricky part is how to offer InputStream.. be played error. Your server must be ready to handle disconnects and multiple connects with different Range values. Basic tasks of http server create ServerSocket create Thread waiting for connection Socket accept serverSocket.accept one thread..
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