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2014/10/16 ¤W¤È 08:10:29
android Programming Glossary: becauseSending 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 you describe above Galaxy Nexus on t mobile USA it is because mobile data is turned off. In Jelly Bean it is Settings Data..
Libraries do not get added to APK anymore after upgrade to ADT 22 http://stackoverflow.com/questions/16596969/libraries-do-not-get-added-to-apk-anymore-after-upgrade-to-adt-22 may need to just close and re open any depending project because they may not see this 'fix' immediately. Give this a shot and..
http://stackoverflow.com/questions/16636039/java-lang-classnotfoundexception-after-changing-nothing-in-the-project-but-upgra project were NONE. So I am feeling quite frustrated now because I have actually changed NOTHING and my project has stopped working..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon Android applications that deal with this. Usually it is because they hold onto logon credentials rather than forcing users to.. you know the reason your application is being exited is because the OS is shutting down and then your update process will fail..
How can I get zoom functionality for images? http://stackoverflow.com/questions/2537238/how-can-i-get-zoom-functionality-for-images in xml then you must provide the full package name because it is a custom view. Example com.example.touch.TouchImageView..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview mItemsCanFocus in the ListView's OnItemSelectedListener because the ListView was then blocking focus to all children. What I.. beforeDescendants I use beforeDescendants because the selector will only be drawn when the ListView itself not.. 1 listView.setItemsCanFocus true Use afterDescendants because I don't want the ListView to steal focus listView.setDescendantFocusability..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser the user clicks it your app will be launched automatically because it will probably be the only one that can handle my.special.scheme..
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 launches a new activity. I have had to build my own tabs because of an issue with the camera layout. The activity that gets launched.. each row as I am unable to select a row with touch screen because of focus issue. I can use roller ball. I know I can do an out..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context as possible in order to not leak out any memory. This is because the other this getting the Activity instance context points.. getApplicationContext or getBaseContext to a lesser extent because their Java experience is limited. They implement an inner class..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for before your activity is destroyed. This can happen either because the activity is finishing someone called finish on it or because.. the activity is finishing someone called finish on it or because the system is temporarily destroying this instance of the activity..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection something that recognizes a fling. I presume this is because it may span views If my activity implements OnGestureListener..
http://stackoverflow.com/questions/9671546/asynctask-android-example R.layout.main btn Button findViewById R.id.button1 because we implement OnClickListener we only have to pass this much..
http://stackoverflow.com/questions/13523350/android-alarm-clock-ui It looks similar to Android Settings . Is this case Because the Turn the alarm on Vibrate rows look like ChexboxPreferences..
findViewById() returns null for custom component in layout XML, not for other components http://stackoverflow.com/questions/1691569/findviewbyid-returns-null-for-custom-component-in-layout-xml-not-for-other-co null xml android layout share improve this question Because in the constructor I had super context instead of super context..
Set margins in a LinearLayout programmatically http://stackoverflow.com/questions/2481455/set-margins-in-a-linearlayout-programmatically pass it lp in its constructor either. Is this impossible Because it sure looks it and it wouldn't be the first Android layout..
how to check wifi or 3g network is available on android device http://stackoverflow.com/questions/3262781/how-to-check-wifi-or-3g-network-is-available-on-android-device particular time which network is available on this device. Because my requirement is when 3g is available I have to upload small..
Change title bar text in Android http://stackoverflow.com/questions/3438276/change-title-bar-text-in-android code for displaying Activity Title icons navigation modes. Because ActionBar is already ready with top level abstraction. For example..
SecurityException: caller uid XXXX is different than the authenticator's uid http://stackoverflow.com/questions/3774282/securityexception-caller-uid-xxxx-is-different-than-the-authenticators-uid and not under android.provider.SyncStateContract package. Because both classes use the same attribute name ACCOUNT_TYPE that is..
http://stackoverflow.com/questions/4019534/gallery-with-folder-filter any column that would define such thing. Could I be wrong Because if I could create a query to filter by folder and create my..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget to be dismissed only if it is not a secure lock keyguard. Because such a keyguard is not needed for security it will never re..
Android - SMS Broadcast receiver http://stackoverflow.com/questions/4117701/android-sms-broadcast-receiver installing do I have to somehow 'start' this receiver Because when I install I get 2010 11 07 21 24 41 SMSBroadcastReceiver..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file it will also perfom package alignment with zipalign. Because the Export Wizard uses both Keytool and Jarsigner you should..
Deleting a gallery image after camera intent photo taken http://stackoverflow.com/questions/6390163/deleting-a-gallery-image-after-camera-intent-photo-taken I may have to copy that file replacing my own afterwards. Because my activity is 2000 lines and my company wouldn't want all of..
Save ArrayList to SharedPreferences http://stackoverflow.com/questions/7057845/save-arraylist-to-sharedpreferences SharedPreferences and then read it from SharedPreferences. Because API supports only storing and retrieving of strings to from..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables this nature earlier although I didn't see it at the time. Because of Reto and Diane's roles in maintaining the Android platform..
http://stackoverflow.com/questions/7947165/admob-implementation-error you are not able to test your app on this android version Because I have misunderstood the existing answers regarding this admob..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state is controlled by ViewPager.setOffscreenPageLimit int . Because of this directly calling methods on the fragments outside of..
http://stackoverflow.com/questions/8450539/images-taken-with-action-image-capture-always-returns-1-for-exifinterface-tag-or code exif Good luck with your image rotating EDIT Because it was asked the intent I've used and how i started was like..
How to make an Android Spinner with initial text “Select One” http://stackoverflow.com/questions/867518/how-to-make-an-android-spinner-with-initial-text-select-one been tested on Android 1.5 through 4.2 but buyer beware Because this solution relies on reflection to call the private AdapterView.setNextSelectedPositionInt..
http://stackoverflow.com/questions/9140952/store-android-sqlite Internal Memory Then for the Perfomance it is very good. Because your Application will be installed in the Internal Memory. so..
Determine if the device is a smartphone or tablet? http://stackoverflow.com/questions/9279111/determine-if-the-device-is-a-smartphone-or-tablet sw600dp resources bool name isTablet true bool resources Because the sw600dp qualifier is only valid for platforms above android..
support FragmentPagerAdapter holds reference to old fragments http://stackoverflow.com/questions/9727173/support-fragmentpageradapter-holds-reference-to-old-fragments know that these have been added to the fragment manager. Because you are using FragmentPagerAdapter and not FragmentStatePagerAdapter..
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 share improve this question When I have the exact same problem you describe above Galaxy Nexus on t mobile USA it is because mobile data is turned off. In Jelly Bean it is Settings Data Usage mobile data Note that I have to have mobile data turned..
Libraries do not get added to APK anymore after upgrade to ADT 22 http://stackoverflow.com/questions/16596969/libraries-do-not-get-added-to-apk-anymore-after-upgrade-to-adt-22 rebuild. After you done this 'fix' for a library project you may need to just close and re open any depending project because they may not see this 'fix' immediately. Give this a shot and with luck it will solve your problem. share improve this..
http://stackoverflow.com/questions/16636039/java-lang-classnotfoundexception-after-changing-nothing-in-the-project-but-upgra not found any of the situations in which the changes to the project were NONE. So I am feeling quite frustrated now because I have actually changed NOTHING and my project has stopped working android classnotfoundexception share improve this..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon and Android decides to kill the app. There are many iPhone and Android applications that deal with this. Usually it is because they hold onto logon credentials rather than forcing users to log in every time manually. For example we want to check updates.. application That is a mistake on any operating system. For all you know the reason your application is being exited is because the OS is shutting down and then your update process will fail mid stream. Generally that's not a good thing. Either check..
How can I get zoom functionality for images? http://stackoverflow.com/questions/2537238/how-can-i-get-zoom-functionality-for-images findViewById R.id.img If you are using TouchImageView in xml then you must provide the full package name because it is a custom view. Example com.example.touch.TouchImageView android id @ id img android layout_width match_parent android..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview child can get focus. This explains why I couldn't just toggle mItemsCanFocus in the ListView's OnItemSelectedListener because the ListView was then blocking focus to all children. What I have now ListView android id @android id list android layout_height.. fill_parent android layout_width fill_parent android descendantFocusability beforeDescendants I use beforeDescendants because the selector will only be drawn when the ListView itself not a child has focus so the default behavior needs to be that.. AdapterView listView View view int position long id if position 1 listView.setItemsCanFocus true Use afterDescendants because I don't want the ListView to steal focus listView.setDescendantFocusability ViewGroup.FOCUS_AFTER_DESCENDANTS myEditText.requestFocus..
Launch custom android application from android browser http://stackoverflow.com/questions/2958701/launch-custom-android-application-from-android-browser a href my.special.scheme other parameters here And when the user clicks it your app will be launched automatically because it will probably be the only one that can handle my.special.scheme type of uris . The only downside to this is that if the..
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 of image buttons on each row. When you click the list row it launches a new activity. I have had to build my own tabs because of an issue with the camera layout. The activity that gets launched for result is a map. If I click on my button to launch.. some changes to the properties of the widgets elements in each row as I am unable to select a row with touch screen because of focus issue. I can use roller ball. I know I can do an out of band resize and save of my image but that is not really..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context recommend you to use this.getApplicationContext as often as possible in order to not leak out any memory. This is because the other this getting the Activity instance context points to an Activity that is being destroyed each time the user tilts.. getApplicationContext . To be blunt some programmers use getApplicationContext or getBaseContext to a lesser extent because their Java experience is limited. They implement an inner class e.g. an OnClickListener for a Button in an Activity and..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for method is called. onDestroy The final call you receive before your activity is destroyed. This can happen either because the activity is finishing someone called finish on it or because the system is temporarily destroying this instance of the.. your activity is destroyed. This can happen either because the activity is finishing someone called finish on it or because the system is temporarily destroying this instance of the activity to save space. You can distinguish between these two..
Android - basic gesture detection http://stackoverflow.com/questions/937313/android-basic-gesture-detection . It seems infinitely more complicated to implement something that recognizes 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..
http://stackoverflow.com/questions/9671546/asynctask-android-example savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main btn Button findViewById R.id.button1 because we implement OnClickListener we only have to pass this much easier btn.setOnClickListener this public void onClick View..
http://stackoverflow.com/questions/13523350/android-alarm-clock-ui The screenshot included is the Create Edit Alarm Activity screen. It looks similar to Android Settings . Is this case Because the Turn the alarm on Vibrate rows look like ChexboxPreferences . The Ringtone row looks like a RingtonePreference . What..
findViewById() returns null for custom component in layout XML, not for other components http://stackoverflow.com/questions/1691569/findviewbyid-returns-null-for-custom-component-in-layout-xml-not-for-other-co successfully in logcat just before the epic fail . Why is foo null xml android layout share improve this question Because in the constructor I had super context instead of super context attrs . Makes sense if you don't pass in the attributes..
Set margins in a LinearLayout programmatically http://stackoverflow.com/questions/2481455/set-margins-in-a-linearlayout-programmatically no weight member so it's no good. And it doesn't work if you pass it lp in its constructor either. Is this impossible Because it sure looks it and it wouldn't be the first Android layout task you can only do in XML. java android layout view margin..
how to check wifi or 3g network is available on android device http://stackoverflow.com/questions/3262781/how-to-check-wifi-or-3g-network-is-available-on-android-device Here my android device supports both wifi and 3g. At particular time which network is available on this device. Because my requirement is when 3g is available I have to upload small amount of data. when wifi is available entire data have to..
Change title bar text in Android http://stackoverflow.com/questions/3438276/change-title-bar-text-in-android screen configurations. Developer don't need to write much code for displaying Activity Title icons navigation modes. Because ActionBar is already ready with top level abstraction. For example Normal way getActionBar .setTitle Hello world App getSupportActionBar..
SecurityException: caller uid XXXX is different than the authenticator's uid http://stackoverflow.com/questions/3774282/securityexception-caller-uid-xxxx-is-different-than-the-authenticators-uid sure you use Constants class that is part of this example and not under android.provider.SyncStateContract package. Because both classes use the same attribute name ACCOUNT_TYPE that is used when creating Account object. HTH Paul android share..
http://stackoverflow.com/questions/4019534/gallery-with-folder-filter Checking the MediaStore.Images.ImageColumns I did not a find any column that would define such thing. Could I be wrong Because if I could create a query to filter by folder and create my own gallery view then my problem would be solved. android android..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget Window flag when set the window will cause the keyguard to be dismissed only if it is not a secure lock keyguard. Because such a keyguard is not needed for security it will never re appear if the user navigates to another window in contrast to..
Android - SMS Broadcast receiver http://stackoverflow.com/questions/4117701/android-sms-broadcast-receiver like the no intents are firing. What am I doing wrong here After installing do I have to somehow 'start' this receiver Because when I install I get 2010 11 07 21 24 41 SMSBroadcastReceiver No Launcher activity found 2010 11 07 21 24 41 SMSBroadcastReceiver..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file above. Once the wizard has compiled and signed your package it will also perfom package alignment with zipalign. Because the Export Wizard uses both Keytool and Jarsigner you should ensure that they are accessible on your computer as described..
Deleting a gallery image after camera intent photo taken http://stackoverflow.com/questions/6390163/deleting-a-gallery-image-after-camera-intent-photo-taken added photo may or may not be the one I want to remove. Also I may have to copy that file replacing my own afterwards. Because my activity is 2000 lines and my company wouldn't want all of our code being posted I'm posting only the methods involved..
Save ArrayList to SharedPreferences http://stackoverflow.com/questions/7057845/save-arraylist-to-sharedpreferences is the solution to save ArrayList as serialized object to SharedPreferences and then read it from SharedPreferences. Because API supports only storing and retrieving of strings to from SharedPreferences after API 11 its simpler we have to serialize..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables of Singleton patterns. Somatik also pointed out something of this nature earlier although I didn't see it at the time. Because of Reto and Diane's roles in maintaining the Android platform I cannot in good faith recommend ignoring their advice. What..
http://stackoverflow.com/questions/7947165/admob-implementation-error Do not change set targetSdkVersion to a higher version if you are not able to test your app on this android version Because I have misunderstood the existing answers regarding this admob topic I have also set the android targetSdkVersion attribute..
ViewPager and fragments ??what's the right way to store fragment's state? http://stackoverflow.com/questions/7951730/viewpager-and-fragments-whats-the-right-way-to-store-fragments-state them unless you are using FragmentStatePagerAdapter . This is controlled by ViewPager.setOffscreenPageLimit int . Because of this directly calling methods on the fragments outside of the adapter is not guaranteed to be valid because they may..
http://stackoverflow.com/questions/8450539/images-taken-with-action-image-capture-always-returns-1-for-exifinterface-tag-or I found for java courtesy of Drew Noakes http www.drewnoakes.com code exif Good luck with your image rotating EDIT Because it was asked the intent I've used and how i started was like this Intent intent new Intent MediaStore.ACTION_IMAGE_CAPTURE..
How to make an Android Spinner with initial text “Select One” http://stackoverflow.com/questions/867518/how-to-make-an-android-spinner-with-initial-text-select-one display the prompt string for position less than 0. This has been tested on Android 1.5 through 4.2 but buyer beware Because this solution relies on reflection to call the private AdapterView.setNextSelectedPositionInt and AdapterView.setSelectedPositionInt..
http://stackoverflow.com/questions/9140952/store-android-sqlite Internal Phone Memory When you are storing dataase in Internal Memory Then for the Perfomance it is very good. Because your Application will be installed in the Internal Memory. so while performing 1000 Records and other record for the application..
Determine if the device is a smartphone or tablet? http://stackoverflow.com/questions/9279111/determine-if-the-device-is-a-smartphone-or-tablet to set a boolean value in a specific value file as res values sw600dp resources bool name isTablet true bool resources Because the sw600dp qualifier is only valid for platforms above android 3.2. If you want to make sure this technique works on all..
support FragmentPagerAdapter holds reference to old fragments http://stackoverflow.com/questions/9727173/support-fragmentpageradapter-holds-reference-to-old-fragments that you have viewed a few pages Fragments A B and C. You know that these have been added to the fragment manager. Because you are using FragmentPagerAdapter and not FragmentStatePagerAdapter these fragments will still be added but potentially..
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