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2014/10/16 ¤W¤È 08:22:11
android Programming Glossary: reasonApplication Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen drawable ldpi drawable mdpi drawable xdpi . The reason I insist you to use Photoshop because it will resize automatically..
AutoCompleteTextView backed by CursorLoader http://stackoverflow.com/questions/12854336/autocompletetextview-backed-by-cursorloader selection null sortOrder return c And for some reason the runQuery method gets called twice from the TextWatcher's.. in the current libs from Android SDK NDK but for any reason was never used before but is feasible with the current Android..
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps like animated progress bars etc. . I think there is a good reason why even the google engineers don't do it this way in the Google.. this design pattern so badly that this would really be a reason to go back to the map v1 framework which btw. I would really.. even in the official Google Maps app . I understand the reasons why they can't just make your views live in the InfoWindows..
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 if I turn it on after the message was received. For some reason when your phone provider enables you with the ability to send..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips to mention this is with Android projects for whatever reason the method argument values are not always populated so I have..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon is a mistake on any operating system. For all you know the reason your application is being exited is because the OS is shutting..
Why doesn't System.out.println work? (in Android) http://stackoverflow.com/questions/2220547/why-doesnt-system-out-println-work-in-android print something in console so I can debug it. But for some reason nothing prints in my Android application. How do I debug then..
SharedPreferences.onSharedPreferenceChangeListener not being called consistently http://stackoverflow.com/questions/2542938/sharedpreferences-onsharedpreferencechangelistener-not-being-called-consistently listener The reason unregistering in the onDestroy method fixes the problem is because..
“Conversion to Dalvik format failed with error 1” on external JAR http://stackoverflow.com/questions/2680827/conversion-to-dalvik-format-failed-with-error-1-on-external-jar twice causing the dreaded Dalvik error 1. Another possible reason could be package name conflicts. Suppose you have a package..
Developing for Android in Eclipse: R.java not generating http://stackoverflow.com/questions/2757107/developing-for-android-in-eclipse-r-java-not-generating problem for me. Cleaning deletes R.java...and for whatever reason the plugin is not regenerating the file. android eclipse r.java..
Is AsyncTask really conceptually flawed or am I just missing something? http://stackoverflow.com/questions/3357477/is-asynctask-really-conceptually-flawed-or-am-i-just-missing-something never hold a strong reference to a context object . The reason is obvious what if the activity gets destroyed which triggered..
How can I put a ListView into a ScrollView without it collapsing? http://stackoverflow.com/questions/3495890/how-can-i-put-a-listview-into-a-scrollview-without-it-collapsing yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want..
http://stackoverflow.com/questions/5150637/networkonmainthreadexception on its main thread as documentation says. For this reason you must use handler or asynctask. There is no another way to..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables Point by point Diane states the following There is no reason to subclass from Application. It is no different than making.. This first claim is incorrect. There are two main reasons for this. 1 The Application class provides a better lifetime.. logic. This is certainly not incorrect but this is not a reason for choosing Singleton over Application subclass. In fact it..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context possible. I prefer static data members if for no other reason than you can only have one custom Application object. I built.. Ms. Hackborn also agrees with this position . Here are reasons why not to use getApplicationContext wherever you go It's not..
Do fragments really need an empty constructor? http://stackoverflow.com/questions/10450348/do-fragments-really-need-an-empty-constructor the arguments. Much like bundles attached to Intents. Reason Extra reading I thought I would explain why for people wondering..
http://stackoverflow.com/questions/15267292/tamil-font-in-android only see boxes if you use Unicode Tamil font in your app. Reason is there are no Tamil fonts in the system. 1. Manual way of..
How accurate is Android GPS? [closed] http://stackoverflow.com/questions/1567443/how-accurate-is-android-gps GPS is about 10cm Can anyone verify or correct this Reason being is that my application I am trying to develop keeps track..
Version of SQLite used in Android? http://stackoverflow.com/questions/2421189/version-of-sqlite-used-in-android in Android What is the version of SQLite used in Android Reason Im wondering how to handle schema migrations. The newer SQLite..
Android logs 'GC_EXTERNAL_ALLOC' 'GC_FOR_MALLOC' http://stackoverflow.com/questions/4550757/android-logs-gc-external-alloc-gc-for-malloc on debugging memory leaks Roughly speaking the format is Reason Amount Freed Heap Statistics External Memory Statistics Pause.. Heap Statistics External Memory Statistics Pause Time Reason Viktor Robert already explained GC_CONCURRENT GC_FOR_MALLOC..
Type R is already defined error http://stackoverflow.com/questions/5283414/type-r-is-already-defined-error if you try to build the Funambol Android Sync Client. Reason is that you have checked two Builders that try to generate the..
Conversion to Dalvik format failed with error 1 Solution? [duplicate] http://stackoverflow.com/questions/6683955/conversion-to-dalvik-format-failed-with-error-1-solution failed with error 1 on external Jar more information here Reason of Conversion to dalvik format failed with error 1 share improve..
“android.provider.Telephony.SMS_RECEIVED” not working on my device (HTC Wildfire) - how to debug? http://stackoverflow.com/questions/8030777/android-provider-telephony-sms-received-not-working-on-my-device-htc-wildfire android share improve this question For your Reason Solution Intent intent new Intent android.provider.Telephony.SMS_RECEIVED..
How to resolve the ANR error while invoking the Camera? http://stackoverflow.com/questions/8543486/how-to-resolve-the-anr-error-while-invoking-the-camera the issue. Camera invoking properly. But I got ANR error Reason keyDispatchingTimedOut while i'm taking the picture. How to..
How to consume reusable gui element/widget with resources in android http://stackoverflow.com/questions/9721860/how-to-consume-reusable-gui-element-widget-with-resources-in-android compile because the resourceids R.xxxx cannot be resolved. Reason The widget classes are implemented in package com.googlecode.android.widgets.DateSlider..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen just do Batch Automate and give source drawable hdpi and destination drawable ldpi drawable mdpi drawable xdpi . The reason I insist you to use Photoshop because it will resize automatically your image with Actions and one more plus point is that..
AutoCompleteTextView backed by CursorLoader http://stackoverflow.com/questions/12854336/autocompletetextview-backed-by-cursorloader Cursor c mContentResolver.query baseUri CONTACTS_SUMMARY_PROJECTION selection null sortOrder return c And for some reason the runQuery method gets called twice from the TextWatcher's onTextChanged method public void onTextChanged CharSequence.. Github Android . Of course if your idea was already addressed in the current libs from Android SDK NDK but for any reason was never used before but is feasible with the current Android version libs then in such case you will be most probably..
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps custom views with all the possibilities that comes with it like animated progress bars etc. . I think there is a good reason why even the google engineers don't do it this way in the Google Maps app. All I need is a button or two on the InfoWindow.. ugly hack but I just didn't find anything better and I need this design pattern so badly that this would really be a reason to go back to the map v1 framework which btw. I would really really like to avoid for a new app with fragments etc. . I.. such a common design pattern moreover this pattern is used even in the official Google Maps app . I understand the reasons why they can't just make your views live in the InfoWindows this would probably kill performance when moving and scrolling..
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 prior the incoming MMS attachment will not be received. Even if I turn it on after the message was received. For some reason when your phone provider enables you with the ability to send and receive MMS you must have the Mobile Data enabled even..
'Must Override a Superclass Method' Errors after importing a project into Eclipse http://stackoverflow.com/questions/1678122/must-override-a-superclass-method-errors-after-importing-a-project-into-eclips method must override a superclass method '. It may be noteworthy to mention this is with Android projects for whatever reason the method argument values are not always populated so I have to manually populate them myself. For instance list.setOnCreateContextMenuListener..
Quitting an application - is that frowned upon? http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon we want to check updates when exiting the 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..
Why doesn't System.out.println work? (in Android) http://stackoverflow.com/questions/2220547/why-doesnt-system-out-println-work-in-android doesn't System.out.println work in Android I want to print something in console so I can debug it. But for some reason nothing prints in my Android application. How do I debug then public class HelloWebview extends Activity WebView webview..
SharedPreferences.onSharedPreferenceChangeListener not being called consistently http://stackoverflow.com/questions/2542938/sharedpreferences-onsharedpreferencechangelistener-not-being-called-consistently SharedPreferences prefs String key Implementation prefs.registerOnSharedPreferenceChangeListener listener The reason unregistering in the onDestroy method fixes the problem is because to do that you had to save the listener in a field therefore..
“Conversion to Dalvik format failed with error 1” on external JAR http://stackoverflow.com/questions/2680827/conversion-to-dalvik-format-failed-with-error-1-on-external-jar Explorer so you don't notice it but it does get counted twice causing the dreaded Dalvik error 1. Another possible reason could be package name conflicts. Suppose you have a package com.abc.xyz and a class named A.java inside this package and..
Developing for Android in Eclipse: R.java not generating http://stackoverflow.com/questions/2757107/developing-for-android-in-eclipse-r-java-not-generating one of the comments Doing Project Clean is what caused the problem for me. Cleaning deletes R.java...and for whatever reason the plugin is not regenerating the file. android eclipse r.java file share improve this question This site suggests..
Is AsyncTask really conceptually flawed or am I just missing something? http://stackoverflow.com/questions/3357477/is-asynctask-really-conceptually-flawed-or-am-i-just-missing-something needs a reference to a valid Context and an AsyncTask must never hold a strong reference to a context object . The reason is obvious what if the activity gets destroyed which triggered the task This can happen all the time e.g. because you flipped..
How can I put a ListView into a ScrollView without it collapsing? http://stackoverflow.com/questions/3495890/how-can-i-put-a-listview-into-a-scrollview-without-it-collapsing seems to be don't put a ListView into a ScrollView . I have yet to see any real explanation for why though. The only reason I can seem to find is that Google doesn't think you should want to do that. Well I do so I did. So the question is how can..
http://stackoverflow.com/questions/5150637/networkonmainthreadexception question With honeycomb you can not perform a networking operation on its main thread as documentation says. For this reason you must use handler or asynctask. There is no another way to do it. here you can find 2 examples written in turkish about..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables answer. I highly encourage skimming the link before continuing. Point by point Diane states the following There is no reason to subclass from Application. It is no different than making a singleton... This first claim is incorrect. There are two.. from Application. It is no different than making a singleton... This first claim is incorrect. There are two main reasons for this. 1 The Application class provides a better lifetime guarantee for an application developer it is guaranteed to.. big tangled mess of what should be independent application logic. This is certainly not incorrect but this is not a reason for choosing Singleton over Application subclass. In fact it is telling to me that none of Diane's arguments provide a single..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context they retrieve via getApplicationContext . That's certainly possible. I prefer static data members if for no other reason than you can only have one custom Application object. I built one app using a custom Application object and found it to.. using a custom Application object and found it to be painful. Ms. Hackborn also agrees with this position . Here are reasons why not to use getApplicationContext wherever you go It's not a complete Context supporting everything that Activity does...
Do fragments really need an empty constructor? http://stackoverflow.com/questions/10450348/do-fragments-really-need-an-empty-constructor detached and re attached the object state can be stored through the arguments. Much like bundles attached to Intents. Reason Extra reading I thought I would explain why for people wondering why. If you check https android.googlesource.com platform..
http://stackoverflow.com/questions/15267292/tamil-font-in-android and full support is provided with Jelly Bean 4.2 . You will only see boxes if you use Unicode Tamil font in your app. Reason is there are no Tamil fonts in the system. 1. Manual way of doing There is a work around for this solution. All you have..
How accurate is Android GPS? [closed] http://stackoverflow.com/questions/1567443/how-accurate-is-android-gps I thought I have read somewhere that the accuracy of Android's GPS is about 10cm Can anyone verify or correct this Reason being is that my application I am trying to develop keeps track of locations an user has visited and it would help me out..
Version of SQLite used in Android? http://stackoverflow.com/questions/2421189/version-of-sqlite-used-in-android of SQLite used in Android What is the version of SQLite used in Android Reason Im wondering how to handle schema migrations. The newer SQLite versions support an ALTER TABLE SQL command which would save..
Android logs 'GC_EXTERNAL_ALLOC' 'GC_FOR_MALLOC' http://stackoverflow.com/questions/4550757/android-logs-gc-external-alloc-gc-for-malloc down the message format. BTW that video has really good info on debugging memory leaks Roughly speaking the format is Reason Amount Freed Heap Statistics External Memory Statistics Pause Time Reason Viktor Robert already explained GC_CONCURRENT.. memory leaks Roughly speaking the format is Reason Amount Freed Heap Statistics External Memory Statistics Pause Time Reason Viktor Robert already explained GC_CONCURRENT GC_FOR_MALLOC GC_EXTERNAL_ALLOC . There is also GC_HPROF_DUMP_HEAP If you..
Type R is already defined error http://stackoverflow.com/questions/5283414/type-r-is-already-defined-error type R is already defined That's the message you get in Eclipse if you try to build the Funambol Android Sync Client. Reason is that you have checked two Builders that try to generate the same class. You just have to uncheck the Java Builder from..
Conversion to Dalvik format failed with error 1 Solution? [duplicate] http://stackoverflow.com/questions/6683955/conversion-to-dalvik-format-failed-with-error-1-solution
“android.provider.Telephony.SMS_RECEIVED” not working on my device (HTC Wildfire) - how to debug? http://stackoverflow.com/questions/8030777/android-provider-telephony-sms-received-not-working-on-my-device-htc-wildfire HTC device while it receives SMS message Why is my device different android share improve this question For your Reason Solution Intent intent new Intent android.provider.Telephony.SMS_RECEIVED List ResolveInfo infos getPackageManager .queryBroadcastReceivers..
How to resolve the ANR error while invoking the Camera? http://stackoverflow.com/questions/8543486/how-to-resolve-the-anr-error-while-invoking-the-camera in to main menu and again I press the 1st button. Here I got the issue. Camera invoking properly. But I got ANR error Reason keyDispatchingTimedOut while i'm taking the picture. How to resolve this issue Edit I'm using following code Button Listener..
How to consume reusable gui element/widget with resources in android http://stackoverflow.com/questions/9721860/how-to-consume-reusable-gui-element-widget-with-resources-in-android into main app Result The widget java classes cannot compile because the resourceids R.xxxx cannot be resolved. Reason The widget classes are implemented in package com.googlecode.android.widgets.DateSlider and my app has a different namespace..
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