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2014/10/16 ¤W¤È 08:26:27
android Programming Glossary: thoughHow do I get the current GPS location programmatically in Android? http://stackoverflow.com/questions/1513485/how-do-i-get-the-current-gps-location-programmatically-in-android . Most of the other online tutorials are out of date though Reto Meier has one that should be current and I'm sure this..
Android: ListView elements with multiple clickable buttons http://stackoverflow.com/questions/1709166/android-listview-elements-with-multiple-clickable-buttons directly to the next list item ignoring the buttons even though I set .setFocusable true and setClickable true for the buttons.. question The solution to this is actually easier than I thought. You can simply add in your custom adapter's getView method..
Can we delete an SMS in Android before it reaches the inbox? http://stackoverflow.com/questions/1741628/can-we-delete-an-sms-in-android-before-it-reaches-the-inbox number verification services which are provisioned via SMS though generally this should be done with data SMS or for applications..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button from being destroyed and continues playing music even though its activity is no longer visible How do I replicate this functionality..
How can I check the current status of the GPS receiver? http://stackoverflow.com/questions/2021176/how-can-i-check-the-current-status-of-the-gps-receiver get called on Eclair and Froyo. It does get called on 1.6 though. Simply counting all available satellites is of course useless... to set it around 3 5 seconds. This actually works and though I haven't seen the source code that implements the standard..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android proportion. Note The compiler accepts both dip and dp though dp is more consistent with sp . sp Scale independent Pixels..
How to implement my very own URI scheme on Android http://stackoverflow.com/questions/2448213/how-to-implement-my-very-own-uri-scheme-on-android and one category as well here I picked VIEW as the action though it could be anything and made sure to add the DEFAULT category..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android to the GPS coordinates of where the photo was taken though many of the fields aren't actually used. To save time as you..
How to scale an Image in ImageView to keep the aspect ratio http://stackoverflow.com/questions/2521959/how-to-scale-an-image-in-imageview-to-keep-the-aspect-ratio You can use a background and a source at the same time though which can be useful for things like displaying a frame around..
ListView item background via custom selector http://stackoverflow.com/questions/2562051/listview-item-background-via-custom-selector false android drawable @drawable list_item_gradient Even though these two point to the same resource have two states so the..
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 See the code below for an example but it's not complete though just for you as a reference and get some idea. This is a simple..
How can I put a ListView into a ScrollView without it collapsing? http://stackoverflow.com/questions/3495890/how-can-i-put-a-listview-into-a-scrollview-without-it-collapsing . I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think..
How to disable Mobile Data on Android http://stackoverflow.com/questions/3644144/how-to-disable-mobile-data-on-android me to believe it is possible to do it through code even though every page I find asking about this same issue says it cannot..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow get just a normal ImageView when I run the program. Any thoughts Thanks. EDIT So I spoke with RomainGuy some in the IRC channel.. won't draw the shadow directly to my bitmap's transparency though so I'm still working on that. @Override protected void onDraw..
Replace Fragment inside a ViewPager http://stackoverflow.com/questions/7723964/replace-fragment-inside-a-viewpager is time to switch fragments. I think this is a good thing though to let your fragment adapter handle all fragment switches and.. was a fragment at position 0 it will not be replaced even though the class is new. There are two solutions but the simplest 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 you may need to construct some sort of cryptographic store though that's non trivial. At the very least make sure you're encrypting..
Using Application context everywhere? http://stackoverflow.com/questions/987072/using-application-context-everywhere are a couple of potential problems with this approach though in a lot of circumstances such as your example it will work..
Caused by: java.lang.OutOfMemoryError: bitmap size exceeds VM budget http://stackoverflow.com/questions/10314527/caused-by-java-lang-outofmemoryerror-bitmap-size-exceeds-vm-budget you mentioned this occurs first time when you parse xml . Though java has auto garbage collection approach but still you can..
Difference between getContext() , getApplicationContext() , getBaseContext() and “this” http://stackoverflow.com/questions/10641144/difference-between-getcontext-getapplicationcontext-getbasecontext-and getContext getApplicationContext getBaseContext and this Though this is simple question I am unable to understand the basic..
LocationListener of NETWORK_PROVIDER is enabled but , onLocationChanged is never called http://stackoverflow.com/questions/15747543/locationlistener-of-network-provider-is-enabled-but-onlocationchanged-is-never provider and only solution was force device restart . Though google map was showing always correct location because it uses..
How to backup database file to sdcard on android? http://stackoverflow.com/questions/1995320/how-to-backup-database-file-to-sdcard-on-android you can just copy the entire file straight to the SD card. Though first I'd check whether an SD card is installed in the device..
Uploading images to a PHP server from Android http://stackoverflow.com/questions/2544517/uploading-images-to-a-php-server-from-android Android source code and used them in my project instead. Though this can be done by any of the above mentioned methods I'd like..
Using Alarmmanager to start a service at specific time http://stackoverflow.com/questions/3052149/using-alarmmanager-to-start-a-service-at-specific-time 's question on the same topic i managed to get it working. Though i still cant understand why the date concept and the Calendar..
Access the http response headers in a WebView? http://stackoverflow.com/questions/3134389/access-the-http-response-headers-in-a-webview WebView nor WebViewClient provide methods to do that Though you can try to implement that manually. You can do something..
getting the screen density programmatically in android? http://stackoverflow.com/questions/3166501/getting-the-screen-density-programmatically-in-android DisplayMetrics metrics getResources .getDisplayMetrics Though Android doesn't use a direct pixel mapping it uses a handful..
Android OnClickListener - identify a button http://stackoverflow.com/questions/3320115/android-onclicklistener-identify-a-button button break case R.id.b2 it was the second button break Though I don't recommend doing it that way since you will have to add..
How Do I Create A Certificate For My Android Market APK? http://stackoverflow.com/questions/3985419/how-do-i-create-a-certificate-for-my-android-market-apk until at least October 22 2033. Create a new certificate. Though it turns out this question is similar the guy just says Oh you..
http://stackoverflow.com/questions/4353570/android-service night while the android device is next to the user's body. Though it is not required to be active I also have an Activity that..
http://stackoverflow.com/questions/4813995/set-alpha-opacity-of-layout And do reset to use again or clearAnimation to drop alpha. Though it looks crude and hacked it's actually a good way to set alpha..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android might be different on a real device please comment or edit Though the Android date picker plugin tries to use the same JavaScript..
How to create datePicker and timePicker dialogs in fragment class? http://stackoverflow.com/questions/6668619/how-to-create-datepicker-and-timepicker-dialogs-in-fragment-class help you get on your way I am doing this very thing now. Though inside the example code I don't use a builder and instead just..
Android and Symbian NFC mobile development questions and answers (FAQ) http://stackoverflow.com/questions/6992869/android-and-symbian-nfc-mobile-development-questions-and-answers-faq e.g. seek for android help there For the time being no. Though you modify the AOSP sources with seek for android patches I..
Adjust layout when soft keyboard is on http://stackoverflow.com/questions/7300497/adjust-layout-when-soft-keyboard-is-on that means part of the screen is eaten by soft keyboard. Though for it to work in your manifest you need to set android windowSoftInputMode..
Runtime.exec() bug: hangs without providing a Process object http://stackoverflow.com/questions/8688382/runtime-exec-bug-hangs-without-providing-a-process-object statusIn result sizeof int hangs there close statusIn Though the child process is not supposed to block on it That's what..
Override Android Backbutton behavior only works on the first page with PhoneGap http://stackoverflow.com/questions/9631933/override-android-backbutton-behavior-only-works-on-the-first-page-with-phonegap this gist with updated code https gist.github.com 2020325 Though it is working for me but it still may need some changes to work..
How do I get the current GPS location programmatically in Android? http://stackoverflow.com/questions/1513485/how-do-i-get-the-current-gps-location-programmatically-in-android 23 Location tutorial for some examples of using LocationManager . Most of the other online tutorials are out of date though Reto Meier has one that should be current and I'm sure this stuff is covered in his book as well . Unfortunately you cannot..
Android: ListView elements with multiple clickable buttons http://stackoverflow.com/questions/1709166/android-listview-elements-with-multiple-clickable-buttons It always selects the whole list item and from there goes directly to the next list item ignoring the buttons even though I set .setFocusable true and setClickable true for the buttons in getView . I also added this code to my custom list adapter.. Anyone an idea android listview button share improve this question The solution to this is actually easier than I thought. You can simply add in your custom adapter's getView method a setOnClickListener for the buttons you're using. Any data..
Can we delete an SMS in Android before it reaches the inbox? http://stackoverflow.com/questions/1741628/can-we-delete-an-sms-in-android-before-it-reaches-the-inbox uses for SMS interception. For example automating phone number verification services which are provisioned via SMS though generally this should be done with data SMS or for applications which otherwise improve the user experience by processing..
Android: Override back button to act like home button http://stackoverflow.com/questions/2000102/android-override-back-button-to-act-like-home-button the normal back behavior preventing the player activity from being destroyed and continues playing music even though its activity is no longer visible How do I replicate this functionality in my own application I think there must be three..
How can I check the current status of the GPS receiver? http://stackoverflow.com/questions/2021176/how-can-i-check-the-current-status-of-the-gps-receiver by reiterating what doesn't work onStatusChanged doesn't get called on Eclair and Froyo. It does get called on 1.6 though. Simply counting all available satellites is of course useless. Checking if any of the satellites returns true for usedInFix.. can tweak the milliseconds value of course but I would suggest to set it around 3 5 seconds. This actually works and though I haven't seen the source code that implements the standard GPS icon this comes close to replicating its behavior. It could..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android change with the screen density but not necessarily in direct proportion. Note The compiler accepts both dip and dp though dp is more consistent with sp . sp Scale independent Pixels this is like the dp unit but it is also scaled by the user's..
How to implement my very own URI scheme on Android http://stackoverflow.com/questions/2448213/how-to-implement-my-very-own-uri-scheme-on-android implicit intents work you need to define at least one action and one category as well here I picked VIEW as the action though it could be anything and made sure to add the DEFAULT category as this is required for all implicit intents . Also notice..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android of information ranging from its filepath to 'date last modified' to the GPS coordinates of where the photo was taken though many of the fields aren't actually used. To save time as you don't actually need the other fields cursor search is done..
How to scale an Image in ImageView to keep the aspect ratio http://stackoverflow.com/questions/2521959/how-to-scale-an-image-in-imageview-to-keep-the-aspect-ratio the image to make it fit exactly to the size of the ImageView. You can use a background and a source at the same time though which can be useful for things like displaying a frame around the main image using just one ImageView. 2 This comment was..
ListView item background via custom selector http://stackoverflow.com/questions/2562051/listview-item-background-via-custom-selector apk res android item android state_focused false android drawable @drawable list_item_gradient Even though these two point to the same resource have two states so the drawable will invalidate itself when coming out of pressed state...
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 i.e. via SAX parser then display the route markers on the map. See the code below for an example but it's not complete though just for you as a reference and get some idea. This is a simple bean I use to hold the route information I will be parsing...
How can I put a ListView into a ScrollView without it collapsing? http://stackoverflow.com/questions/3495890/how-can-i-put-a-listview-into-a-scrollview-without-it-collapsing answer I can find seems to be don't put a ListView into a ScrollView . I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do so I did. So the..
How to disable Mobile Data on Android http://stackoverflow.com/questions/3644144/how-to-disable-mobile-data-on-android the GSRP network is getting turned on and off. This leaves me to believe it is possible to do it through code even though every page I find asking about this same issue says it cannot be done. The kicker is they all say to do it like APNDroid...
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow position return sImageView in my ImageView I still get just a normal ImageView when I run the program. Any thoughts Thanks. EDIT So I spoke with RomainGuy some in the IRC channel and I have it working now for plain rectangular images.. for plain rectangular images with the below code. It still won't draw the shadow directly to my bitmap's transparency though so I'm still working on that. @Override protected void onDraw Canvas canvas Bitmap bmp BitmapFactory.decodeResource getResources..
Replace Fragment inside a ViewPager http://stackoverflow.com/questions/7723964/replace-fragment-inside-a-viewpager when creating FirstPageFragment which will be called when it is time to switch fragments. I think this is a good thing though to let your fragment adapter handle all fragment switches and calls to ViewPager and FragmentManager . Third FragmentPagerAdapter.. by a name which is derived from the position so if there was a fragment at position 0 it will not be replaced even though the class is new. There are two solutions but the simplest is to use the remove function of FragmentTransaction which will..
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 for providing access something like OAuth . Alternatively you may need to construct some sort of cryptographic store though that's non trivial. At the very least make sure you're encrypting the password before writing it to disk. share improve..
Using Application context everywhere? http://stackoverflow.com/questions/987072/using-application-context-everywhere android android context share improve this question There are a couple of potential problems with this approach though in a lot of circumstances such as your example it will work well. In particular you should be careful when dealing with..
Caused by: java.lang.OutOfMemoryError: bitmap size exceeds VM budget http://stackoverflow.com/questions/10314527/caused-by-java-lang-outofmemoryerror-bitmap-size-exceeds-vm-budget be creating bulky multiple objects while parsing your xml as you mentioned this occurs first time when you parse xml . Though java has auto garbage collection approach but still you can not completely rely on it. it is a good practice to nullify..
Difference between getContext() , getApplicationContext() , getBaseContext() and “this” http://stackoverflow.com/questions/10641144/difference-between-getcontext-getapplicationcontext-getbasecontext-and and &ldquo this&rdquo What is the difference between getContext getApplicationContext getBaseContext and this Though this is simple question I am unable to understand the basic difference between them. Please give some easy examples if possible...
LocationListener of NETWORK_PROVIDER is enabled but , onLocationChanged is never called http://stackoverflow.com/questions/15747543/locationlistener-of-network-provider-is-enabled-but-onlocationchanged-is-never this question i have experienced similar issues with Network provider and only solution was force device restart . Though google map was showing always correct location because it uses other sensors information also apart from Network location..
How to backup database file to sdcard on android? http://stackoverflow.com/questions/1995320/how-to-backup-database-file-to-sdcard-on-android are completely self contained files and are portable &mdash you can just copy the entire file straight to the SD card. Though first I'd check whether an SD card is installed in the device and what its path is using Environment.getExternalStorageDirectory..
Uploading images to a PHP server from Android http://stackoverflow.com/questions/2544517/uploading-images-to-a-php-server-from-android Eventually I downloaded the Multipart classes from the Android source code and used them in my project instead. Though this can be done by any of the above mentioned methods I'd like to make sure if these are the only ways to achieve the said..
Using Alarmmanager to start a service at specific time http://stackoverflow.com/questions/3052149/using-alarmmanager-to-start-a-service-at-specific-time a lot of researching and with reference from Pentium10 's question on the same topic i managed to get it working. Though i still cant understand why the date concept and the Calendar non GregorianCalendar object which i have mentioned in the..
Access the http response headers in a WebView? http://stackoverflow.com/questions/3134389/access-the-http-response-headers-in-a-webview the headers. android share improve this question Neither WebView nor WebViewClient provide methods to do that Though you can try to implement that manually. You can do something like this private WebView webview public void onCreate Bundle..
getting the screen density programmatically in android? http://stackoverflow.com/questions/3166501/getting-the-screen-density-programmatically-in-android You can get info on the display from the DisplayMetrics struct DisplayMetrics metrics getResources .getDisplayMetrics Though Android doesn't use a direct pixel mapping it uses a handful of quantized Density Independent Pixel values then scales to..
Android OnClickListener - identify a button http://stackoverflow.com/questions/3320115/android-onclicklistener-identify-a-button onClick View v switch v.getId case R.id.b1 it was the first button break case R.id.b2 it was the second button break Though I don't recommend doing it that way since you will have to add an if for each button you use. That's hard to maintain. ..
How Do I Create A Certificate For My Android Market APK? http://stackoverflow.com/questions/3985419/how-do-i-create-a-certificate-for-my-android-market-apk requires that the certificate used to sign the apk be valid until at least October 22 2033. Create a new certificate. Though it turns out this question is similar the guy just says Oh you reminded me of how to do it without actually explaining...
http://stackoverflow.com/questions/4353570/android-service uses a foreground Service to record accelerometer data all night while the android device is next to the user's body. Though it is not required to be active I also have an Activity that broadcast an Intent to a BroadcastReceiver inside the Service..
http://stackoverflow.com/questions/4813995/set-alpha-opacity-of-layout use one animation for multiple components to save memory. And do reset to use again or clearAnimation to drop alpha. Though it looks crude and hacked it's actually a good way to set alpha on set ov views that doesn't take much memory or processor..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android my web view's CSS styling has some effect and surely this might be different on a real device please comment or edit Though the Android date picker plugin tries to use the same JavaScript API as the iOS plugin and its example uses allowOldDates..
How to create datePicker and timePicker dialogs in fragment class? http://stackoverflow.com/questions/6668619/how-to-create-datepicker-and-timepicker-dialogs-in-fragment-class android feedfrags AddFeedDialogFragment.java This should help you get on your way I am doing this very thing now. Though inside the example code I don't use a builder and instead just return return new DatePickerDialog getActivity mDateSetListener..
Android and Symbian NFC mobile development questions and answers (FAQ) http://stackoverflow.com/questions/6992869/android-and-symbian-nfc-mobile-development-questions-and-answers-faq 4K using some API over NFC controller and NFC WI path Can e.g. seek for android help there For the time being no. Though you modify the AOSP sources with seek for android patches I did it myself your application will just crash with stock phones...
Adjust layout when soft keyboard is on http://stackoverflow.com/questions/7300497/adjust-layout-when-soft-keyboard-is-on measure changes and if new measurements are than the old ones that means part of the screen is eaten by soft keyboard. Though for it to work in your manifest you need to set android windowSoftInputMode adjustResize so the content will be resized..
Runtime.exec() bug: hangs without providing a Process object http://stackoverflow.com/questions/8688382/runtime-exec-bug-hangs-without-providing-a-process-object after the fork the parent does this int result int count read statusIn result sizeof int hangs there close statusIn Though the child process is not supposed to block on it That's what the child does if started at all Make statusOut automatically..
Override Android Backbutton behavior only works on the first page with PhoneGap http://stackoverflow.com/questions/9631933/override-android-backbutton-behavior-only-works-on-the-first-page-with-phonegap e return I have put the whole cordova 1.5.0.js in this gist with updated code https gist.github.com 2020325 Though it is working for me but it still may need some changes to work in all the possible scenarios. Edit Put following code in..
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