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2014/10/16 ¤W¤È 08:11:42
android Programming Glossary: createsHow to determine when Fragment becomes visible in ViewPager http://stackoverflow.com/questions/10024739/how-to-determine-when-fragment-becomes-visible-in-viewpager fragment becomes visible alert dialog . BUT the ViewPager creates the second fragment when the first is visible in order to cache..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works there were no view item in recycler so your getView creates each new view for the visible items but the moment you scroll..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen combinations of screen sizes resolutions and DPIs and creates quite a challenge when designing and developing for Android..
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 visible view has weight 1 . So new ThreeLayout context 3 creates a new view with 3 children and the left pane with have 1 3 of..
http://stackoverflow.com/questions/1877417/how-to-set-a-timer-in-android fine in Android but you should be aware that this method creates a new thread. You may consider using the very convenient Handler..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts reliable. So in one of my applications that dynamically creates a large number of bitmaps I do the following. The Native heap..
How to create a closed (circular) ListView? http://stackoverflow.com/questions/2332847/how-to-create-a-closed-circular-listview position return objects position objects.length So this creates a class called CircularArrayAdapter which take an object type..
More efficient way of updating UI from Service than intents? http://stackoverflow.com/questions/2621395/more-efficient-way-of-updating-ui-from-service-than-intents manifest doesn't use the android name attribute so it just creates an instance of the default android.app.Application class to..
Android: How to create a Dialog without a title? http://stackoverflow.com/questions/2644134/android-how-to-create-a-dialog-without-a-title file inflates it gives it some basic text and icon then creates it. You'd show it then with alertDialog.show . AlertDialog.Builder..
Android popup window dismissal http://stackoverflow.com/questions/3121232/android-popup-window-dismissal . If it detects background null it creates an instance of PopupViewContainer and calls setBackgroundDrawable..
Android keeps caching my intents Extras, how to declare a pending intent that keeps fresh extras? http://stackoverflow.com/questions/3140072/android-keeps-caching-my-intents-extras-how-to-declare-a-pending-intent-that-ke notification This works like this application creates a message for a contact an intent is provided with the contact..
How to use multiple MapActivities/MapViews per Android application/process http://stackoverflow.com/questions/3379575/how-to-use-multiple-mapactivities-mapviews-per-android-application-process as well as single places. On startup the application creates an instance of this MapActivity and displays multiple places...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw the colors and redraw the image with the new colors. This creates ANOTHER problem with StateListDrawables as I'm not sure how..
Android: Want to set custom fonts for whole application not runtime http://stackoverflow.com/questions/4395309/android-want-to-set-custom-fonts-for-whole-application-not-runtime in code. You could always have a setLayoutFont method that creates the typeface once then runs setTypeface for each. You'd just..
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview because when you give the ListView a mode of AT_MOST it creates and measures all of its children for you right inside the onMeasure..
Trying to attach a file from SD Card to email http://stackoverflow.com/questions/587917/trying-to-attach-a-file-from-sd-card-to-email filesystem the file is there and correct. The code which creates the image file is well finished prior to the attempt to email..
How turn on camera flash light programmatically in Android? http://stackoverflow.com/questions/6068803/how-turn-on-camera-flash-light-programmatically-in-android has then flashlight doesnot turn ON etc. Typically Samsung creates alot of problems. You can refer about problems in the given..
http://stackoverflow.com/questions/6218143/android-post-json-using-http an entry in the params Map.Entry pairs Map.Entry iter.next creates a key for Map String key String pairs.getKey Create a new map..
Android project using httpclient --> http.client (apache), post/get method http://stackoverflow.com/questions/874227/android-project-using-httpclient-http-client-apache-post-get-method gotten there yet to help with this. The helper class creates the client and has convenience wrapper methods for get post..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo a GeoPoint public GeoPoint startPoint return start Creates a segment which is a copy of this one. @return a Segment that..
How to implement search in CustomListView based on class item of POJO class in Android? http://stackoverflow.com/questions/13090046/how-to-implement-search-in-customlistview-based-on-class-item-of-pojo-class-in-a LayoutParams.FILL_PARENT LayoutParams.WRAP_CONTENT Creates a ViewHolder and store references to the two children views..
Initialize MapFragment programmatically with Maps API v2 http://stackoverflow.com/questions/13733299/initialize-mapfragment-programmatically-with-maps-api-v2 closeMap isMapVisible isMapVisible private void openMap Creates initial configuration for the map GoogleMapOptions options new..
how to set json parsed data in a listview and then adding search functionality in it http://stackoverflow.com/questions/15109406/how-to-set-json-parsed-data-in-a-listview-and-then-adding-search-functionality-i LayoutParams.FILL_PARENT LayoutParams.WRAP_CONTENT Creates a ViewHolder and store references to the two children views..
Picasso loading of image spawned inside AsyncTask http://stackoverflow.com/questions/18808114/picasso-loading-of-image-spawned-inside-asynctask mLayoutInflater.inflate R.layout.simple_message null Creates a ViewHolder and store references to the children views we.. mLayoutInflater.inflate R.layout.simple_message null Creates a ViewHolder and store references to the children views we want..
Lazy Load images on Listview in android(Beginner Level)? [duplicate] http://stackoverflow.com/questions/2912054/lazy-load-images-on-listview-in-androidbeginner-level mInflater.inflate R.layout.list_item_icon_text null Creates a ViewHolder and store references to the two children views..
http://stackoverflow.com/questions/3205191/android-and-mjpeg private MjpegView mv private static final int MENU_QUIT 1 Creates the menu items public boolean onCreateOptionsMenu Menu menu..
How can I refresh MediaStore on Android? http://stackoverflow.com/questions/3300137/how-can-i-refresh-mediastore-on-android ListAdapter adapter createAdapter setListAdapter adapter Creates and returns a list adapter for the current list activity @return..
Is it possible to move the internal DB to the SDCard? http://stackoverflow.com/questions/3436434/is-it-possible-to-move-the-internal-db-to-the-sdcard ioe throw new Error Unable to create database Creates a empty database on the system and rewrites it with your own..
How to implement a view holder? http://stackoverflow.com/questions/4145602/how-to-implement-a-view-holder null convertView mInflater.inflate R.layout.sample null Creates a ViewHolder and store references to the two children views..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw inverting etc... public class ColorFilterGenerator Creates a HUE ajustment ColorFilter @see http groups.google.com group..
http://stackoverflow.com/questions/5489671/ksoap-never-timeout the following code while making object of HTTPTransport. Creates instance of HttpTransportSE with set url @param url the destination.. POST SOAP data public HttpTransportSE String url super url Creates instance of HttpTransportSE with set url @param url the destination..
Database not copying from assets http://stackoverflow.com/questions/5945196/database-not-copying-from-assets super context DB_NAME null 1 this.myContext context Creates a empty database on the system and rewrites it with your own..
implement search on a custom listview http://stackoverflow.com/questions/6383943/implement-search-on-a-custom-listview LayoutParams.FILL_PARENT LayoutParams.WRAP_CONTENT Creates a ViewHolder and store references to the two children views..
Send data from android to server via JSON http://stackoverflow.com/questions/6523761/send-data-from-android-to-server-via-json file on server is php What this file does is it 1 Creates connection to database. 2 Retrieve the data being send. 3 Add..
Android: simple export and import of sqlite database http://stackoverflow.com/questions/6540906/android-simple-export-and-import-of-sqlite-database return true return false FileUtils public class FileUtils Creates the specified code toFile code as a byte for byte copy of the..
http://stackoverflow.com/questions/8267928/android-rest-client-sample String mRestUrl private RestTaskCallback mCallback Creates a new instance of GetTask with the specified URL and callback... RestTaskCallback mCallback private String mRequestBody Creates a new instance of PostTask with the specified URL callback and..
How to determine when Fragment becomes visible in ViewPager http://stackoverflow.com/questions/10024739/how-to-determine-when-fragment-becomes-visible-in-viewpager authorized users only and i should ask use to login when the fragment becomes visible alert dialog . BUT the ViewPager creates the second fragment when the first is visible in order to cache the second and make it visible when the user starts motion..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works convertview is null for all the visible rows because initially there were no view item in recycler so your getView creates each new view for the visible items but the moment you scroll up your item 1 will send to the Recycler with it state for..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen there is an obstacle of size and layout. This leads to different combinations of screen sizes resolutions and DPIs and creates quite a challenge when designing and developing for Android devices. While some other Manufacturer non Android have different..
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 gets the weight of the left pane as param assuming the other visible view has weight 1 . So new ThreeLayout context 3 creates a new view with 3 children and the left pane with have 1 3 of the total screen. The other view occupies the all available..
http://stackoverflow.com/questions/1877417/how-to-set-a-timer-in-android use timers via java.util.Timer and java.util.TimerTask works fine in Android but you should be aware that this method creates a new thread. You may consider using the very convenient Handler class android.os.Handler and send messages to the handler..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts found that getNativeHeapFreeSize and getNativeHeapSize are not reliable. So in one of my applications that dynamically creates a large number of bitmaps I do the following. The Native heap size varies by platform. So at startup we check the maximum..
How to create a closed (circular) ListView? http://stackoverflow.com/questions/2332847/how-to-create-a-closed-circular-listview return Integer.MAX_VALUE @Override public T getItem int position return objects position objects.length So this creates a class called CircularArrayAdapter which take an object type T which may be anything and uses it to create an array list...
More efficient way of updating UI from Service than intents? http://stackoverflow.com/questions/2621395/more-efficient-way-of-updating-ui-from-service-than-intents label @string app_name The application element in your manifest doesn't use the android name attribute so it just creates an instance of the default android.app.Application class to represent your global application context. In my apps I create..
Android: How to create a Dialog without a title? http://stackoverflow.com/questions/2644134/android-how-to-create-a-dialog-without-a-title below from the official website. That takes a custom layot file inflates it gives it some basic text and icon then creates it. You'd show it then with alertDialog.show . AlertDialog.Builder builder AlertDialog alertDialog Context mContext getApplicationContext..
Android popup window dismissal http://stackoverflow.com/questions/3121232/android-popup-window-dismissal background cannot be null is because of what happens in PopupWindow#preparePopup . If it detects background null it creates an instance of PopupViewContainer and calls setBackgroundDrawable on that and puts your content view in it. PopupViewContainer..
Android keeps caching my intents Extras, how to declare a pending intent that keeps fresh extras? http://stackoverflow.com/questions/3140072/android-keeps-caching-my-intents-extras-how-to-declare-a-pending-intent-that-ke contact ID mNotificationManager.notify Integer.parseInt objContact.getId notification This works like this application creates a message for a contact an intent is provided with the contact id and details about the message notification is raised with..
How to use multiple MapActivities/MapViews per Android application/process http://stackoverflow.com/questions/3379575/how-to-use-multiple-mapactivities-mapviews-per-android-application-process one MapActivity class that is able to display a set of places as well as single places. On startup the application creates an instance of this MapActivity and displays multiple places. If the user clicks on a certain place then a new Activity..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw I could write a class that would read the image and convert the colors and redraw the image with the new colors. This creates ANOTHER problem with StateListDrawables as I'm not sure how I would go about getting each of these in code and modifying..
Android: Want to set custom fonts for whole application not runtime http://stackoverflow.com/questions/4395309/android-want-to-set-custom-fonts-for-whole-application-not-runtime this in XML and as far as I can tell no easier way to do it in code. You could always have a setLayoutFont method that creates the typeface once then runs setTypeface for each. You'd just have to update it each time you add a new item to a layout...
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview super.onMeasure widthMeasureSpec heightMeasureSpec This works because when you give the ListView a mode of AT_MOST it creates and measures all of its children for you right inside the onMeasure method I discovered this by browsing through the source..
Trying to attach a file from SD Card to email http://stackoverflow.com/questions/587917/trying-to-attach-a-file-from-sd-card-to-email email provider is attaching a 0 length file. When I check the filesystem the file is there and correct. The code which creates the image file is well finished prior to the attempt to email it. Anyone fixed this without magic reboots I've already tried..
How turn on camera flash light programmatically in Android? http://stackoverflow.com/questions/6068803/how-turn-on-camera-flash-light-programmatically-in-android for the devices not having FLASH_MODE_TORCH or even if it has then flashlight doesnot turn ON etc. Typically Samsung creates alot of problems. You can refer about problems in the given below list Use camera flashlight in Android Turn ON OFF Camera..
http://stackoverflow.com/questions/6218143/android-post-json-using-http While there is another entry while iter.hasNext gets an entry in the params Map.Entry pairs Map.Entry iter.next creates a key for Map String key String pairs.getKey Create a new map Map m Map pairs.getValue object for storing Json JSONObject..
Android project using httpclient --> http.client (apache), post/get method http://stackoverflow.com/questions/874227/android-project-using-httpclient-http-client-apache-post-get-method util project at some point and support binary data haven't gotten there yet to help with this. The helper class creates the client and has convenience wrapper methods for get post etc. Anywhere you USE this class from an Activity you should..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo start point Get the starting point of this segment. @return a GeoPoint public GeoPoint startPoint return start Creates a segment which is a copy of this one. @return a Segment that is a copy of this one. public Segment copy final Segment..
How to implement search in CustomListView based on class item of POJO class in Android? http://stackoverflow.com/questions/13090046/how-to-implement-search-in-customlistview-based-on-class-item-of-pojo-class-in-a null convertView.setLayoutParams new AbsListView.LayoutParams LayoutParams.FILL_PARENT LayoutParams.WRAP_CONTENT Creates a ViewHolder and store references to the two children views we want to bind data to. holder new ViewHolder holder.ll..
Initialize MapFragment programmatically with Maps API v2 http://stackoverflow.com/questions/13733299/initialize-mapfragment-programmatically-with-maps-api-v2 public void onClick View v if isMapVisible openMap else closeMap isMapVisible isMapVisible private void openMap Creates initial configuration for the map GoogleMapOptions options new GoogleMapOptions .camera CameraPosition.fromLatLngZoom new..
how to set json parsed data in a listview and then adding search functionality in it http://stackoverflow.com/questions/15109406/how-to-set-json-parsed-data-in-a-listview-and-then-adding-search-functionality-i null convertView.setLayoutParams new AbsListView.LayoutParams LayoutParams.FILL_PARENT LayoutParams.WRAP_CONTENT Creates a ViewHolder and store references to the two children views we want to bind data to. holder new ViewHolder holder.t1..
Picasso loading of image spawned inside AsyncTask http://stackoverflow.com/questions/18808114/picasso-loading-of-image-spawned-inside-asynctask ViewHolder viewHolder null if convertView null convertView mLayoutInflater.inflate R.layout.simple_message null Creates a ViewHolder and store references to the children views we want to bind data to. viewHolder setupViewHolder convertView.. ViewHolder viewHolder null if convertView null convertView mLayoutInflater.inflate R.layout.simple_message null Creates a ViewHolder and store references to the children views we want to bind data to. viewHolder setupViewHolder convertView..
Lazy Load images on Listview in android(Beginner Level)? [duplicate] http://stackoverflow.com/questions/2912054/lazy-load-images-on-listview-in-androidbeginner-level supplied by ListView is null. if convertView null convertView mInflater.inflate R.layout.list_item_icon_text null Creates a ViewHolder and store references to the two children views we want to bind data to. holder new ViewHolder holder.text..
http://stackoverflow.com/questions/3205191/android-and-mjpeg public class MjpegSample extends Activity private MjpegView mv private static final int MENU_QUIT 1 Creates the menu items public boolean onCreateOptionsMenu Menu menu menu.add 0 MENU_QUIT 0 Quit return true Handles item selections..
How can I refresh MediaStore on Android? http://stackoverflow.com/questions/3300137/how-can-i-refresh-mediastore-on-android Bundle savedInstanceState super.onCreate savedInstanceState ListAdapter adapter createAdapter setListAdapter adapter Creates and returns a list adapter for the current list activity @return protected ListAdapter createAdapter return play lists..
Is it possible to move the internal DB to the SDCard? http://stackoverflow.com/questions/3436434/is-it-possible-to-move-the-internal-db-to-the-sdcard context DB_NAME null 1 try this.createDataBase catch IOException ioe throw new Error Unable to create database Creates a empty database on the system and rewrites it with your own database. public void createDataBase throws IOException if..
How to implement a view holder? http://stackoverflow.com/questions/4145602/how-to-implement-a-view-holder convertView supplied by ListView is null. if convertView null convertView mInflater.inflate R.layout.sample null Creates a ViewHolder and store references to the two children views we want to bind data to. holder new ViewHolder holder.name..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw Note that a lot more can be done with color matrices. Including inverting etc... public class ColorFilterGenerator Creates a HUE ajustment ColorFilter @see http groups.google.com group android developers browse_thread thread 9e215c83c3819953 @see..
http://stackoverflow.com/questions/5489671/ksoap-never-timeout or greater. You can download that by clicking here And use the following code while making object of HTTPTransport. Creates instance of HttpTransportSE with set url @param url the destination to POST SOAP data public HttpTransportSE String url.. HttpTransportSE with set url @param url the destination to POST SOAP data public HttpTransportSE String url super url Creates instance of HttpTransportSE with set url @param url the destination to POST SOAP data @param timeout timeout for connection..
Database not copying from assets http://stackoverflow.com/questions/5945196/database-not-copying-from-assets and resources. @param context public Database Context context super context DB_NAME null 1 this.myContext context Creates a empty database on the system and rewrites it with your own database. public void createDataBase throws IOException First..
implement search on a custom listview http://stackoverflow.com/questions/6383943/implement-search-on-a-custom-listview null convertView.setLayoutParams new AbsListView.LayoutParams LayoutParams.FILL_PARENT LayoutParams.WRAP_CONTENT Creates a ViewHolder and store references to the two children views we want to bind data to. holder new ViewHolder holder.ll..
Send data from android to server via JSON http://stackoverflow.com/questions/6523761/send-data-from-android-to-server-via-json this.sendData nameValuePairs so then the AddAccelerationData.php file on server is php What this file does is it 1 Creates connection to database. 2 Retrieve the data being send. 3 Add the retrieved data to database 'Data'. 4 Close database connection...
Android: simple export and import of sqlite database http://stackoverflow.com/questions/6540906/android-simple-export-and-import-of-sqlite-database cache it and mark it as created. getWritableDatabase .close return true return false FileUtils public class FileUtils Creates the specified code toFile code as a byte for byte copy of the code fromFile code . If code toFile code already exists then..
http://stackoverflow.com/questions/8267928/android-rest-client-sample class GetTask extends AsyncTask String String String private String mRestUrl private RestTaskCallback mCallback Creates a new instance of GetTask with the specified URL and callback. @param restUrl The URL for the REST API. @param callback.. AsyncTask String String String private String mRestUrl private RestTaskCallback mCallback private String mRequestBody Creates a new instance of PostTask with the specified URL callback and request body. @param restUrl The URL for the REST API. @param..
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