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2014/10/16 ¤W¤È 08:14:40
android Programming Glossary: howSaving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android case but it always gives me the first message no matter how I navigate away from the app. I'm sure it's probably something..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon put a menu option in to kill it If no such option exists how does the user terminate the application Answer Romain Guy The.. with Android's application model. This is also contrary to how core applications work. Hehe for every step I take in the Android..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog a file with Android and showing the progress in a ProgressDialog I am trying to write a.. I need a simple function that can download a file and show the current progress in a ProgressDialog. I know how to do the.. and show the current progress in a ProgressDialog. I know how to do the ProgressDialog but I'm not sure how to display the..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a around or anything like that. Here's what I'd like to do Show the user a list of nearby locations. Preload the user's location.. providers and choose the most recent of them. Here's how I use my class LocationResult locationResult new LocationResult..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object . This makes it pretty simple but I am not sure how I can put a resized image I.e. Smaller bit size not pixel as.. image on the list view it worked fine again. FYI This is how I was doing it String from new String DBHelper.KEY_BUSINESSNAME..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables problem is the variable strSessionString. Does anyone know how to set the variable global in order to avoid login form appearing.. ANSWER The more general problem you are encountering is how to save state across several Activities and all parts of your.. is a common Java way of achieving this. I have found however that a more elegant way in Android is to associate your..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application with my application. Instead of creating a new database how can the application gain access to this database and use it..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection If my activity implements OnGestureListener I don't know how to set that as the gesture listener for the Grid or the Image.. like GestureImageView that extends ImageView I don't know how to tell the activity that a fling has occurred from the view... example of this working across views. What when and how should I attach this listener I need to be able to detect single..
http://stackoverflow.com/questions/1016896/how-to-get-screen-dimensions to get screen dimensions I created some custom elements and..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 intent filter receiver application manifest However I was wondering if you could send and receive MMS messages.. to grab the phoneNumber that the message was sent from. How do you grab other important things from an MMS such as the file.. PendingIntent extras not received by BroadcastReceiver However the extra gets passed to the SendBroadcastReceiver not the..
http://stackoverflow.com/questions/1554099/slow-android-emulator in starting the emulator quickly but that is very rare. How can I if possible fix this problem Even if it starts and loads..
Sending Email in Android using JavaMail API without using the default/built-in app http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a Project mail.jar activation.jar additionnal.jar Click here How to add External Jars Run the project and check your recipient..
How do I pass data between activities in Android? http://stackoverflow.com/questions/2091465/how-do-i-pass-data-between-activities-in-android do I pass data between activities in Android I have a scenario..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android to check visibility of software keyboard in Android I need..
How to create Transparent Activity in Android? http://stackoverflow.com/questions/2176922/how-to-create-transparent-activity-in-android to create Transparent Activity in Android I want to create.. create a transparent Activity on top of another activity. How can I achieve this android android activity share improve..
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 to discover memory usage of my application in Android I would.. uses of it . That is pretty much the SDK APIs for this. However there is more you can do as a developer with your device...
How to load an ImageView by URL in Android? http://stackoverflow.com/questions/2471935/how-to-load-an-imageview-by-url-in-android to load an ImageView by URL in Android How do you use an image.. to load an ImageView by URL in Android How do you use an image referenced by URL in an ImageView android..
How can I get zoom functionality for images? http://stackoverflow.com/questions/2537238/how-can-i-get-zoom-functionality-for-images can I get zoom functionality for images Is there a common way..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android to call SOAP web service in Android I am having a lot of trouble..
How to use SharedPreferences in Android to store, fetch and edit values http://stackoverflow.com/questions/3624280/how-to-use-sharedpreferences-in-android-to-store-fetch-and-edit-values to use SharedPreferences in Android to store fetch and edit..
How to ship an Android application with a database? http://stackoverflow.com/questions/513084/how-to-ship-an-android-application-with-a-database to ship an Android application with a database If your application..
How do I do a lazy load of images in ListView http://stackoverflow.com/questions/541966/how-do-i-do-a-lazy-load-of-images-in-listview do I do a lazy load of images in ListView I am using a ListView..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables How to declare global variables I am creating an application which..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application to use an existing database with an Android application duplicate.. duplicate This question already has an answer here How to ship an Android application with a database 8 answers..
Debuging using Virtual machine like VMWare/VirtualBox? http://stackoverflow.com/questions/10648009/debuging-using-virtual-machine-like-vmware-virtualbox and Virtual Box can i use it as Emulator if yes then say HOW Edit 1 I saw in some forum to use this but my VMs android having..
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 of those code samples to compile. Is it possible And if so HOW Please note that Froyo's apps on SD card feature won't work..
Android: how to code depending on the version of the API? http://stackoverflow.com/questions/4276352/android-how-to-code-depending-on-the-version-of-the-api theIntent else activity.startActivity intentMedicamento HOW I SOLVED IT SOME NOTES TO THE RIGHT ANSWER @Commonsware show..
Add dynamically elements to a listView Android http://stackoverflow.com/questions/4540754/add-dynamically-elements-to-a-listview-android DATA OF THE LISTVIEW ArrayAdapter String adapter RECORDING HOW MANY TIMES THE BUTTON HAS BEEN CLICKED int clickCounter 0 @Override..
Google map can be displayed on emulator but not in Android Device http://stackoverflow.com/questions/5231830/google-map-can-be-displayed-on-emulator-but-not-in-android-device release key from Google but the solution doesn't tell me HOW can I get those key Anyone know please tell me thanks in advance..
How do I make a splash screen in android http://stackoverflow.com/questions/5486789/how-do-i-make-a-splash-screen-in-android it android splash screen share improve this question HOW TO Simple spash screen First you need to define the spash screen..
Android Dev - Callback URL not working… (0_o) http://stackoverflow.com/questions/5545803/android-dev-callback-url-not-working-0-o my head in here... IN RESPONE TO A GREAT ANSWER HERE IS HOW I HANDLE MY ON RESUME protected void onResume super.onResume..
Android, how to access Activity UI from my class? http://stackoverflow.com/questions/6030982/android-how-to-access-activity-ui-from-my-class Points ... file Points.java private class Points ... HOW TO USE myView HERE ... How do I use the UI objects in my..
Send AT Commands to Android Phone http://stackoverflow.com/questions/8284067/send-at-commands-to-android-phone phone we can send AT commands to GSM Modem. Question is HOW to loop back and what tty file on kernel will help us android..
android 4.0, text on the action bar NEVER shows http://stackoverflow.com/questions/9282122/android-4-0-text-on-the-action-bar-never-shows android.developer but I can't seem to find an answer as to HOW to get it to show up. android android 4.0 android actionbar..
How to secure my app against piracy http://stackoverflow.com/questions/9865162/how-to-secure-my-app-against-piracy Unfortunately LVL is also not entirely secure. A detailed HOW TO for how to crack it pre Google Play is available here . Lastly..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android I thought that might be all one needed to do for the simplest case but it always gives me the first message no matter how I navigate away from the app. I'm sure it's probably something simple like overriding onPause or something like that but..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon Does the user have a choice to kill the application unless we put a menu option in to kill it If no such option exists how does the user terminate the application Answer Romain Guy The user doesn't the system handles this automatically. That's.. do not put a quit or exit application button. It is useless with Android's application model. This is also contrary to how core applications work. Hehe for every step I take in the Android world I run into some sort of problem Apparently you cannot..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog a file with Android and showing the progress in a ProgressDialog I am trying to write a simple application that gets updated. For this I need a simple.. to write a simple application that gets updated. For this I need a simple function that can download a file and show the current progress in a ProgressDialog. I know how to do the ProgressDialog but I'm not sure how to display the current.. For this I need a simple function that can download a file and show the current progress in a ProgressDialog. I know how to do the ProgressDialog but I'm not sure how to display the current progress and how to download the file in the first..
What is the simplest and most robust way to get the user's current location in Android? http://stackoverflow.com/questions/3145089/what-is-the-simplest-and-most-robust-way-to-get-the-users-current-location-in-a It doesn't need to worry about if the user is moving around or anything like that. Here's what I'd like to do Show the user a list of nearby locations. Preload the user's location so that by the time I need it in Activity X it will be.. to use last known values. I grab last known values from available providers and choose the most recent of them. Here's how I use my class LocationResult locationResult new LocationResult @Override public void gotLocation Location location Got..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object preview on the list view is being done with the cursor and ListAdapter . This makes it pretty simple but I am not sure how I can put a resized image I.e. Smaller bit size not pixel as the src for the image button on the fly. So I just resized.. sample code for that would be nice. As soon as I disabled the image on the list view it worked fine again. FYI This is how I was doing it String from new String DBHelper.KEY_BUSINESSNAME DBHelper.KEY_ADDRESS DBHelper.KEY_CITY DBHelper.KEY_GPSLONG..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables slides the login form appears again and I guess the problem is the variable strSessionString. Does anyone know how to set the variable global in order to avoid login form appearing after the user already successfully authenticates Thanks.. subclassing Application. Read it at your own risk. ORIGINAL ANSWER The more general problem you are encountering is how to save state across several Activities and all parts of your application. A static variable for instance a singleton is.. of your application. A static variable for instance a singleton is a common Java way of achieving this. I have found however that a more elegant way in Android is to associate your state with the Application context. As you know each Activity..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application file with my Android project. I want to bundle this database with my application. Instead of creating a new database how can the application gain access to this database and use it as its database java android eclipse sqlite share improve..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection a fling. I presume this is because it may span views If my activity implements OnGestureListener I don't know how to set that as the gesture listener for the Grid or the Image views that I add. public class SelectFilterActivity extends.. OnTouchListener ... If I make a custom View like GestureImageView that extends ImageView I don't know how to tell the activity that a fling has occurred from the view. In any case I tried this and the methods weren't called when.. called when I touched the screen. I really just need a concrete example of this working across views. What when and how should I attach this listener I need to be able to detect single clicks also. Gesture detection mGestureDetector new GestureDetector..
http://stackoverflow.com/questions/1016896/how-to-get-screen-dimensions to get screen dimensions I created some custom elements and I want to programmatically place them to the upper right corner..
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4) http://stackoverflow.com/questions/14452808/sending-and-receiving-sms-and-mms-in-android-pre-kit-kat-android-4-4 filter action android name android.provider.Telephony.SMS_RECEIVED intent filter receiver application manifest However I was wondering if you could send and receive MMS messages in a similar fashion. After doing some research many examples.. In the MMSReceiver class the onReceive method is only able to grab the phoneNumber that the message was sent from. How do you grab other important things from an MMS such as the file path to the media attachment image audio video or the text.. a PendingIntent to be received by a BroadcastReceiver Android PendingIntent extras not received by BroadcastReceiver However the extra gets passed to the SendBroadcastReceiver not the SMSReceiver . How can I pass an extra to the SMSReceiver..
http://stackoverflow.com/questions/1554099/slow-android-emulator up the IDE SDKs JDKs and such and have had some success in starting the emulator quickly but that is very rare. How can I if possible fix this problem Even if it starts and loads the home screen it is very sluggish. I have tried the Eclipse..
Sending Email in Android using JavaMail API without using the default/built-in app http://stackoverflow.com/questions/2020088/sending-email-in-android-using-javamail-api-without-using-the-default-built-in-a ADD 3 jars found in the following link to your Android Project mail.jar activation.jar additionnal.jar Click here How to add External Jars Run the project and check your recipient mail account for the mail. Cheers Hope this helps And don't..
How do I pass data between activities in Android? http://stackoverflow.com/questions/2091465/how-do-i-pass-data-between-activities-in-android do I pass data between activities in Android I have a scenario where after logging in through a login page there will be..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android to check visibility of software keyboard in Android I need to do a very simple thing find out if the software keyboard..
How to create Transparent Activity in Android? http://stackoverflow.com/questions/2176922/how-to-create-transparent-activity-in-android to create Transparent Activity in Android I want to create a transparent Activity on top of another activity. How can I.. to create Transparent Activity in Android I want to create a transparent Activity on top of another activity. How can I achieve this android android activity share improve this question Add the following style In your res values styles.xml..
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 to discover memory usage of my application in Android I would like to know how I can find the memory used on my Android.. goes away and probably quickly subsumed into caches and other uses of it . That is pretty much the SDK APIs for this. However there is more you can do as a developer with your device. Using adb there is a lot of information you can get about..
How to load an ImageView by URL in Android? http://stackoverflow.com/questions/2471935/how-to-load-an-imageview-by-url-in-android to load an ImageView by URL in Android How do you use an image referenced by URL in an ImageView android bitmap imageview.. to load an ImageView by URL in Android How do you use an image referenced by URL in an ImageView android bitmap imageview share improve this question You'll have..
How can I get zoom functionality for images? http://stackoverflow.com/questions/2537238/how-can-i-get-zoom-functionality-for-images can I get zoom functionality for images Is there a common way to show a big image and enable the user to zoom in and out..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android to call SOAP web service in Android I am having a lot of trouble finding good information on how to call a standard SOAP..
How to use SharedPreferences in Android to store, fetch and edit values http://stackoverflow.com/questions/3624280/how-to-use-sharedpreferences-in-android-to-store-fetch-and-edit-values to use SharedPreferences in Android to store fetch and edit values I want to store a time value and need to retrieve and..
How to ship an Android application with a database? http://stackoverflow.com/questions/513084/how-to-ship-an-android-application-with-a-database to ship an Android application with a database If your application requires a database and comes with built in data what..
How do I do a lazy load of images in ListView http://stackoverflow.com/questions/541966/how-do-i-do-a-lazy-load-of-images-in-listview do I do a lazy load of images in ListView I am using a ListView to display some images and captions associated with those..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables How to declare global variables I am creating an application which requires login. I created the main and the login activity...
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application to use an existing database with an Android application duplicate This question already has an answer here How to ship.. to use an existing database with an Android application duplicate This question already has an answer here How to ship an Android application with a database 8 answers I have already created an SQLite database. I want to use..
Debuging using Virtual machine like VMWare/VirtualBox? http://stackoverflow.com/questions/10648009/debuging-using-virtual-machine-like-vmware-virtualbox I do have a Android PC version installed in both VM ware and Virtual Box can i use it as Emulator if yes then say HOW Edit 1 I saw in some forum to use this but my VMs android having no specific ip how to i connect it android debugging android..
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 can override this limitation. However I've never gotten one of those code samples to compile. Is it possible And if so HOW Please note that Froyo's apps on SD card feature won't work as it doesn't move internal files. android sqlite3 sd card..
Android: how to code depending on the version of the API? http://stackoverflow.com/questions/4276352/android-how-to-code-depending-on-the-version-of-the-api intentChooser catch Exception e activity.startActivity theIntent else activity.startActivity intentMedicamento HOW I SOLVED IT SOME NOTES TO THE RIGHT ANSWER @Commonsware show me the way to do it. We create a bridge class so that depending..
Add dynamically elements to a listView Android http://stackoverflow.com/questions/4540754/add-dynamically-elements-to-a-listview-android String DEFINING A STRING ADAPTER WHICH WILL HANDLE THE DATA OF THE LISTVIEW ArrayAdapter String adapter RECORDING HOW MANY TIMES THE BUTTON HAS BEEN CLICKED int clickCounter 0 @Override public void onCreate Bundle icicle super.onCreate icicle..
Google map can be displayed on emulator but not in Android Device http://stackoverflow.com/questions/5231830/google-map-can-be-displayed-on-emulator-but-not-in-android-device read some of the solution that said that I have to get the release key from Google but the solution doesn't tell me HOW can I get those key Anyone know please tell me thanks in advance android google maps android emulator google maps api 3..
How do I make a splash screen in android http://stackoverflow.com/questions/5486789/how-do-i-make-a-splash-screen-in-android how to do this. How would I create it and then implement it android splash screen share improve this question HOW TO Simple spash screen First you need to define the spash screen in you layout.xml file xml version 1.0 encoding utf 8 LinearLayout..
Android Dev - Callback URL not working… (0_o) http://stackoverflow.com/questions/5545803/android-dev-callback-url-not-working-0-o if that would make things easier to understand. Really beating my head in here... IN RESPONE TO A GREAT ANSWER HERE IS HOW I HANDLE MY ON RESUME protected void onResume super.onResume Uri uri this.getIntent .getData if uri null uri.toString .startsWith..
Android, how to access Activity UI from my class? http://stackoverflow.com/questions/6030982/android-how-to-access-activity-ui-from-my-class TextView findViewById R.id.myView ... Points myPoints new Points ... file Points.java private class Points ... HOW TO USE myView HERE ... How do I use the UI objects in my class which does not extend an Activity Should I pass some..
Send AT Commands to Android Phone http://stackoverflow.com/questions/8284067/send-at-commands-to-android-phone to GSM Modem. If we find a solution to loop back on mobile phone we can send AT commands to GSM Modem. Question is HOW to loop back and what tty file on kernel will help us android at command share improve this question first you have..
android 4.0, text on the action bar NEVER shows http://stackoverflow.com/questions/9282122/android-4-0-text-on-the-action-bar-never-shows I have seen this done before even in the developer guide at android.developer but I can't seem to find an answer as to HOW to get it to show up. android android 4.0 android actionbar share improve this question I suspect that it was a conscious..
How to secure my app against piracy http://stackoverflow.com/questions/9865162/how-to-secure-my-app-against-piracy application Google Play provides some licensing options . Unfortunately LVL is also not entirely secure. A detailed HOW TO for how to crack it pre Google Play is available here . Lastly the paper linked above as well as numerous scholarly articles..
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