2014/10/16 上午 08:09:28
android Programming Glossary: actualAndroid - what's the difference between the various methods to get a Context? http://stackoverflow.com/questions/1026973/android-whats-the-difference-between-the-various-methods-to-get-a-context as well because a handful of the people working on Android actual monitor that newsgroup and answer questions. So overall it seems..
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 you don't see the via Bazaar part when running from an actual device and the update button open the Play Store. I am assuming..
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 if the GPS icon at the top of the screen is blinking no actual fix or solid fix is available . android gps share improve.. in it. So the only working solution we have and the one we actually use in our application is the following. Let's say we have.. 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..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android everything else. dip dp from here px Pixels corresponds to actual pixels on the screen. in Inches based on the physical size of..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android difficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely.. there is always a long discussion about what they actually mean that only results in a vague conclusion. Note we now.. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So how much memory a processes..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android So if 100 threads have one db instance calls to the actual on disk database are serialized. So one helper one db connection.. is good ish . If you try to write to the database from actual distinct connections at the same time one will fail. It will.. Collisions Example by touchlab on GitHub Gray and I are actually wrapping up an ORM tool based off of his Ormlite that works..
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 to look at the layouts in the emulator itself or an actual phone as the preview in Eclipse is usually wrong. share improve..
Launching Google Maps Directions via an intent on Android http://stackoverflow.com/questions/2662531/launching-google-maps-directions-via-an-intent-on-android daddr 20.5666 45.345 startActivity intent You can use an actual street address instead of latitude and longitude. However this..
Change the background color of the options menu http://stackoverflow.com/questions/2944244/change-the-background-color-of-the-options-menu not infl 4. there is no way to get access to the actual instance being used so we must do what createView would have..
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 null return navigationDataSet Drawing Does the actual drawing of the route based on the geo points provided in the..
getting the screen density programmatically in android? http://stackoverflow.com/questions/3166501/getting-the-screen-density-programmatically-in-android Density Independent Pixel values then scales to the actual screen size. So the metrics.densityDpi property will be one.. 120 160 213 240 320 480 or 640 dpi . If you need the actual lcd pixel density perhaps for an OpenGL app you can get it from..
http://stackoverflow.com/questions/6218143/android-post-json-using-http of examples out there but could someone point me to an actual tutorial I'm looking for a step by step process with code and..
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list common information is located at the top. You'll find the actual answer to this question at the bottom... Here's the actual idea.. actual answer to this question at the bottom... Here's the actual idea and process of recycling so you might figure out what is.. instead position 1 . So your recycled view will keep the actual position. When you click a checkbox you should persists the..
http://stackoverflow.com/questions/995514/https-connection-android this question I'm making a guess but if you want an actual handshake to occur you have to let android know of your certificate... javax.net.ssl.X509TrustManager yet none of the methods actually perform any work get a sample here . Good Luck share improve..
Complete Working Sample of the Gmail Three-Fragment Animation Scenario? http://stackoverflow.com/questions/12253965/complete-working-sample-of-the-gmail-three-fragment-animation-scenario animation Here Slow frame rate cause of the screen cast. Actual performance is very fast Usage layout new ThreeLayout this 3..
Replace ListFragment with Fragment inside ViewPager with Tabs http://stackoverflow.com/questions/15321666/replace-listfragment-with-fragment-inside-viewpager-with-tabs with Tabs I try to setup following navigation in my app Actual condition ViewPager Tabs to swipe between lists ListFragment..
Android: how distribute paid application when paid Market is not available in my country (OBSOLETE) http://stackoverflow.com/questions/2309811/android-how-distribute-paid-application-when-paid-market-is-not-available-in-my available to you. If you want to put your app up on the Actual Android Market you can try to find a business partner in the..
Android: bug in launchMode=“singleTask”? -> activity stack not preserved http://stackoverflow.com/questions/2417468/android-bug-in-launchmode-singletask-activity-stack-not-preserved activity B . Here the two behaviors Expected A B HOME B Actual A B HOME A bad Is there a setting I'm missing or is this a bug..
http://stackoverflow.com/questions/2563897/extending-adapterview from an basic Adapter ImageAdapter from sdk samples . Actual code is like this public class MyAdapterView extends AdapterView..
Android Api - get mobile number from contacts http://stackoverflow.com/questions/3695566/android-api-get-mobile-number-from-contacts the user can choose the mobile number of a contact. Actual I can get the name of the selected contact but i can't find..
Unable to instantiate receiver in BroadcastReceiver SMS http://stackoverflow.com/questions/4619049/unable-to-instantiate-receiver-in-broadcastreceiver-sms sb.append nMessage Actual Message Content sb.append currentMessage.getDisplayMessageBody..
android get height width of ImageView http://stackoverflow.com/questions/4680499/android-get-height-width-of-imageview 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 ^ ImageView 婙 鐥 鐥 鐥 鐥 鐥 鐥 鐥 Actual image 60px height of ImageView 尠 鐥 鐥 鐥 鐥 鐥 鐥 鐥 尠..
How to get Sampling rate and frequency of music file (MP3) in android? http://stackoverflow.com/questions/5140085/how-to-get-sampling-rate-and-frequency-of-music-file-mp3-in-android 87013064 bits 316 seconds 273426.147 bits sec or ~273kbps Actual Bitrate 259kbps Since most audio files have a known set of valid..
Load contact photo in a listview performance http://stackoverflow.com/questions/5211665/load-contact-photo-in-a-listview-performance imageViewReference new WeakReference ImageView imageView Actual download method. @Override protected Bitmap doInBackground..
Looking for fast image distortion algorithms http://stackoverflow.com/questions/5542942/looking-for-fast-image-distortion-algorithms direction to find or implement fast distortion algorithms. Actual filter that implements the algorithm public boolean sphereFilter..
Custom ListView with Date as SectionHeader (Used custom SimpleCursorAdapter) http://stackoverflow.com/questions/6261593/custom-listview-with-date-as-sectionheader-used-custom-simplecursoradapter tag task_day if last_day.equals task_day return 1 Display Actual Row else last_day task_day Displaying Header return 0 @Override..
http://stackoverflow.com/questions/6636050/logic-code-reuse-between-apps-for-android-and-other-platforms-to-contentprovide Common design sure. Interchangeable data models sure. Actual literal code not worth worrying about IMHO. Doesn't the functionality..
http://stackoverflow.com/questions/7072400/android-how-to-mark-the-current-location-into-a-map-still-image-source-cod Any guidance on the right direction is appreciated. UPDATE Actual Example with Actual Expected Output Test Case parcel of codes.. right direction is appreciated. UPDATE Actual Example with Actual Expected Output Test Case parcel of codes here has gotten from..
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list in convertView null type 0 else part return convertView Actual answer to question... I know what the problem is but can't think..
Creating a SoftKeyboard with Multiple/Alternate characters per key http://stackoverflow.com/questions/7752580/creating-a-softkeyboard-with-multiple-alternate-characters-per-key the LatinIME Keyboard didn't link to a picture of a Sheep Actual source code for LatinIME.java . Edit 2 More as a reference than..
VideoView onResume loses buffered portion of the video http://stackoverflow.com/questions/9987042/videoview-onresume-loses-buffered-portion-of-the-video playing the video from the beginning which is really bad. Actual Problem Problem When Activity is resumed back the buffered portion..
Android - what's the difference between the various methods to get a Context? http://stackoverflow.com/questions/1026973/android-whats-the-difference-between-the-various-methods-to-get-a-context you may want to consider asking your question there as well because a handful of the people working on Android actual monitor that newsgroup and answer questions. So overall it seems preferable to use the global application context when possible...
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 yesterday at 23 18 I don't know how to link directly to it Also you don't see the via Bazaar part when running from an actual device and the update button open the Play Store. I am assuming Bazaar is meant to provide Google Play Services on android..
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 or just the wrong possibility. Basically I just need to know if the GPS icon at the top of the screen is blinking no actual fix or solid fix is available . android gps share improve this question First of all I'm a developer of SpeedView a.. to report that there are several sats that are used in it. So the only working solution we have and the one we actually use in our application is the following. Let's say we have this simple class that implements the GpsStatus.Listener private.. 3000 You 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..
Difference between px, dp, dip and sp in Android? http://stackoverflow.com/questions/2025282/difference-between-px-dp-dip-and-sp-in-android independent pixels. You would use sp for font sizes dip for everything else. dip dp from here px Pixels corresponds to actual pixels on the screen. in Inches based on the physical size of the screen. mm Millimeters based on the physical size of the..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android operating systems like Linux is an extremely complicated and difficult to understand area. In fact the chances of you actually correctly interpreting whatever numbers you get is extremely low. Pretty much every time I look at memory usage numbers.. much every time I look at memory usage numbers with other engineers there is always a long discussion about what they actually mean that only results in a vague conclusion. Note we now have much more extensive documentation on Managing Your App's.. PrivateDirty and SharedDirty ... well now the fun begins. A lot of memory in Android and Linux systems in general is actually shared across multiple processes. So how much memory a processes uses is really not clear. Add on top of that paging out..
What are the best practices for SQLite on Android? http://stackoverflow.com/questions/2493331/what-are-the-best-practices-for-sqlite-on-android SqliteDatabase object uses java locks to keep access serialized. So if 100 threads have one db instance calls to the actual on disk database are serialized. So one helper one db connection which is serialized in java code. One thread 1000 threads.. between them all of your db access code is serial. And life is good ish . If you try to write to the database from actual distinct connections at the same time one will fail. It will not wait till the first is done and then write. It will simply.. Sqlite Locking Updated link 6 18 2012 Android Database Locking Collisions Example by touchlab on GitHub Gray and I are actually wrapping up an ORM tool based off of his Ormlite that works natively with Android database implementations and follows..
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
Launching Google Maps Directions via an intent on Android http://stackoverflow.com/questions/2662531/launching-google-maps-directions-via-an-intent-on-android Uri.parse http maps.google.com maps saddr 20.344 34.34 daddr 20.5666 45.345 startActivity intent You can use an actual street address instead of latitude and longitude. However this will give the user a dialog to choose between opening it..
Change the background color of the options menu http://stackoverflow.com/questions/2944244/change-the-background-color-of-the-options-menu inside inflate 3. BUT from a different instance of LayoutInflater not infl 4. there is no way to get access to the actual instance being used so we must do what createView would have done for us if IconMenuItemView_class null try IconMenuItemView_class..
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 Exception e Log.e myapp.APP error with kml xml e navigationDataSet null return navigationDataSet Drawing Does the actual drawing of the route based on the geo points provided in the nav set @param navSet Navigation set bean that holds the route..
getting the screen density programmatically in android? http://stackoverflow.com/questions/3166501/getting-the-screen-density-programmatically-in-android doesn't use a direct pixel mapping it uses a handful of quantized Density Independent Pixel values then scales to the actual screen size. So the metrics.densityDpi property will be one of the DENSITY_ constants 120 160 213 240 320 480 or 640 dpi.. metrics.densityDpi property will be one of the DENSITY_ constants 120 160 213 240 320 480 or 640 dpi . If you need the actual lcd pixel density perhaps for an OpenGL app you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal..
http://stackoverflow.com/questions/6218143/android-post-json-using-http JSON networking knowledge in general. I know there are plenty of examples out there but could someone point me to an actual tutorial I'm looking for a step by step process with code and explanation of why you do each step or of what that step does...
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list share improve this question I edited my answer so the common information is located at the top. You'll find the actual answer to this question at the bottom... Here's the actual idea and process of recycling so you might figure out what is.. common information is located at the top. You'll find the actual answer to this question at the bottom... Here's the actual idea and process of recycling so you might figure out what is wrong with your implementation and idea of getView and maybe.. position before return and then use Integer buttonView.getTag instead position 1 . So your recycled view will keep the actual position. When you click a checkbox you should persists the state somewhere else. Don't rely on the UI state for that because..
http://stackoverflow.com/questions/995514/https-connection-android the server certificate somehow java android ssl share improve this question I'm making a guess but if you want an actual handshake to occur you have to let android know of your certificate. If you want to just accept no matter what then use..
Complete Working Sample of the Gmail Three-Fragment Animation Scenario? http://stackoverflow.com/questions/12253965/complete-working-sample-of-the-gmail-three-fragment-animation-scenario caching implementation should fit better Demo video with the animation Here Slow frame rate cause of the screen cast. Actual performance is very fast Usage layout new ThreeLayout this 3 layout.setAnimationDuration 1000 setContentView layout layout.getLeftView..
Replace ListFragment with Fragment inside ViewPager with Tabs http://stackoverflow.com/questions/15321666/replace-listfragment-with-fragment-inside-viewpager-with-tabs ListFragment with Fragment inside ViewPager with Tabs I try to setup following navigation in my app Actual condition ViewPager Tabs to swipe between lists ListFragment A ListFragment B Desired condition ViewPager Tabs ListFragment..
Android: how distribute paid application when paid Market is not available in my country (OBSOLETE) http://stackoverflow.com/questions/2309811/android-how-distribute-paid-application-when-paid-market-is-not-available-in-my market share improve this question There are a few options available to you. If you want to put your app up on the Actual Android Market you can try to find a business partner in the US or another country that supports paid apps and have your..
Android: bug in launchMode=“singleTask”? -> activity stack not preserved http://stackoverflow.com/questions/2417468/android-bug-in-launchmode-singletask-activity-stack-not-preserved stack and returns straight to A instead of the expected activity B . Here the two behaviors Expected A B HOME B Actual A B HOME A bad Is there a setting I'm missing or is this a bug If the latter is there a workaround for this until the bug..
http://stackoverflow.com/questions/2563897/extending-adapterview my own implementation of a simple AdapterView where items comes from an basic Adapter ImageAdapter from sdk samples . Actual code is like this public class MyAdapterView extends AdapterView ImageAdapter implements AdapterView.OnItemClickListener..
Android Api - get mobile number from contacts http://stackoverflow.com/questions/3695566/android-api-get-mobile-number-from-contacts here at SO but i cant solve my problem When a button is clicked the user can choose the mobile number of a contact. Actual I can get the name of the selected contact but i can't find a way to get chose the mobile number.. public void onCreate..
Unable to instantiate receiver in BroadcastReceiver SMS http://stackoverflow.com/questions/4619049/unable-to-instantiate-receiver-in-broadcastreceiver-sms sb.append SMS Received From Sender Number sb.append currentMessage.getDisplayOriginatingAddress sb.append nMessage Actual Message Content sb.append currentMessage.getDisplayMessageBody Logger Debug Output Log.i LOG_TAG SMSApp onReceive sb Show..
android get height width of ImageView http://stackoverflow.com/questions/4680499/android-get-height-width-of-imageview get height width of ImageView 婙 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 ^ ImageView 婙 鐥 鐥 鐥 鐥 鐥 鐥 鐥 Actual image 60px height of ImageView 尠 鐥 鐥 鐥 鐥 鐥 鐥 鐥 尠 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 鐥 90px width..
How to get Sampling rate and frequency of music file (MP3) in android? http://stackoverflow.com/questions/5140085/how-to-get-sampling-rate-and-frequency-of-music-file-mp3-in-android 10.3MB 87013064 bits Length 5 16 316 Seconds Which gives 87013064 bits 316 seconds 273426.147 bits sec or ~273kbps Actual Bitrate 259kbps Since most audio files have a known set of valid bitrate levels you can use that to step the bit rate to..
Load contact photo in a listview performance http://stackoverflow.com/questions/5211665/load-contact-photo-in-a-listview-performance public BitmapDownloaderTask ImageView imageView imageViewReference new WeakReference ImageView imageView Actual download method. @Override protected Bitmap doInBackground String... params url params 0 Uri conUri Uri.parse url InputStream..
Looking for fast image distortion algorithms http://stackoverflow.com/questions/5542942/looking-for-fast-image-distortion-algorithms for example Picsay Pro app Could anyone share or give direction to find or implement fast distortion algorithms. Actual filter that implements the algorithm public boolean sphereFilter Bitmap b boolean bSmoothing int nWidth b.getWidth int nHeight..
Custom ListView with Date as SectionHeader (Used custom SimpleCursorAdapter) http://stackoverflow.com/questions/6261593/custom-listview-with-date-as-sectionheader-used-custom-simplecursoradapter day String task_day date.getString title_date Log.i tag task_day if last_day.equals task_day return 1 Display Actual Row else last_day task_day Displaying Header return 0 @Override public View newView Context context Cursor cursor ViewGroup..
http://stackoverflow.com/questions/6636050/logic-code-reuse-between-apps-for-android-and-other-platforms-to-contentprovide wouldn't worry one lick about trying to have a common code base. Common design sure. Interchangeable data models sure. Actual literal code not worth worrying about IMHO. Doesn't the functionality of the DataStore above partially overlap with that..
http://stackoverflow.com/questions/7072400/android-how-to-mark-the-current-location-into-a-map-still-image-source-cod or include the code snippets . Big Help with my thesis. Any guidance on the right direction is appreciated. UPDATE Actual Example with Actual Expected Output Test Case parcel of codes here has gotten from mapsforge MercatorProjectionClass.java.. snippets . Big Help with my thesis. Any guidance on the right direction is appreciated. UPDATE Actual Example with Actual Expected Output Test Case parcel of codes here has gotten from mapsforge MercatorProjectionClass.java A performance optimized..
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list fact that convertView contains the view hierarchy you created in convertView null type 0 else part return convertView Actual answer to question... I know what the problem is but can't think of an elegant solution right now... Your problem is that..
Creating a SoftKeyboard with Multiple/Alternate characters per key http://stackoverflow.com/questions/7752580/creating-a-softkeyboard-with-multiple-alternate-characters-per-key it. Edit Would help if developer.android.com 's link to the LatinIME Keyboard didn't link to a picture of a Sheep Actual source code for LatinIME.java . Edit 2 More as a reference than anything else this is the sequence I believe a usual longPress..
VideoView onResume loses buffered portion of the video http://stackoverflow.com/questions/9987042/videoview-onresume-loses-buffered-portion-of-the-video Portion of the video is lost and hence the VideoView starts playing the video from the beginning which is really bad. Actual Problem Problem When Activity is resumed back the buffered portion of the video is lost and hence starts buffering it again...
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