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2014/10/16 ¤W¤È 08:16:38
android Programming Glossary: itsAndroid update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars external Jars I just allowed my mac to do an update on its java installation and now some of my old jars like javax.mail..
http://stackoverflow.com/questions/1080811/android-endless-list items etc. to the ListAdapter at a convenient state in its onScroll method. The following ListActivity shows a list of..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android if heightDiff 100 if more than 100 pixels its probably a keyboard... ... do something here Easy ORIGINAL.. onMeasure . The basic logic is that if the layout finds itself filling significantly less than the total area of the window..
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 Well procrank uses a different kernel mechanism to collect its data than meminfo does and they give slightly different results...
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android of the image in the ContentResolver database but that on its own isn't enough. Each image has about 18 columns of information.. image has about 18 columns of information ranging from its filepath to 'date last modified' to the GPS coordinates of where.. code. That simply gets the number of the column based on its name the same one used in the filtering process. Once you've..
How to pass object from one activity to another in Android http://stackoverflow.com/questions/2736389/how-to-pass-object-from-one-activity-to-another-in-android Age Age Address Address return data I want to send its object from one Activity to another and then display the data..
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 a ListView into a ScrollView without it collapsing to its minimum height android listview scrollview share improve..
http://stackoverflow.com/questions/3572463/what-is-context-in-android this question Putting it simply As the name suggests its the context of current state of the application object. It lets..
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds wrapping text in a TextView so that it will fit within its getHeight and getWidth bounds. I'm not simply looking for a.. practice way to auto resize a textview to fit wrapped in its getHeight and getWidth bounds Thanks to everyone who shared.. by 2 font pixels and remeasure until I have a size that fits. At the end if the text still does not fit I append an ellipsis...
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables each Activity is also a Context which is information about its execution environment in the broadest sense. Your application.. there is no difference. Diane ends with The framework itself has tons and tons of singletons for all the little shared..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context right As I understand it so far Each is an instance of its class which means that some programmers recommend you to use.. if you need something tied to a Context that itself will have global scope. I use getApplicationContext for example..
How to support Arabic text in Android? http://stackoverflow.com/questions/7962704/how-to-support-arabic-text-in-android successfully. Retrieved text I want display in code but its showing boxes instead of Arabic text. Assume that t array values..
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 memory to keep your activity's process running after its onPause method is called. onDestroy The final call you receive.. illustrates the states an activity can go through during its lifetime These states can be broken into 3 main groups as follows..
http://stackoverflow.com/questions/8657894/android-facebook-style-slide Facebook style slide The new Facebook application and its navigation is so cool. I was just trying to see how it can be..
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 the application gain access to this database and use it as its database java android eclipse sqlite share improve this question.. Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT 17 DB_PATH..
bitmap size exceeds Vm budget error android http://stackoverflow.com/questions/10737582/bitmap-size-exceeds-vm-budget-error-android You can find it at http www.eclipse.org mat downloads.php Its a bit complicated software but as you go through it you will..
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 But none of that seem to help and its driving me mad. Its hopeless to key in using a laptop's trackpad. Has anyone encountered..
Android - How to make slide menu like facebook, spotify and Google + http://stackoverflow.com/questions/11465774/android-how-to-make-slide-menu-like-facebook-spotify-and-google sliding 2. on making it work with all screen resolutions Its really easy and simple once you get some idea about Animations..
http://stackoverflow.com/questions/17839419/android-thread-for-a-timer for a Thread in Java but it doesn't work. Can you help me Its a Timer that counts down from 5 Minutes to 0 00. java android..
Which programming languages can I use on Android Dalvik? http://stackoverflow.com/questions/1994703/which-programming-languages-can-i-use-on-android-dalvik effects and animations in your Android Applications. Its not released yet as it isn't finished. share improve this..
How to select and crop an image in android? http://stackoverflow.com/questions/2085003/how-to-select-and-crop-an-image-in-android have also faced this problem .You can try with this code. Its working fine for me private static final String TEMP_PHOTO_FILE..
Android - Switch Tabs from within an Activity within a tab http://stackoverflow.com/questions/2541802/android-switch-tabs-from-within-an-activity-within-a-tab would be easy become complicated with activity based tabs. Its hard to pass information between tabs without creating overhead...
Converting a view to Bitmap without displaying it in Android? http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android view wasn't displayed before the size of it will be zero. Its possible to measure it like this if v.getMeasuredHeight 0 v.measure..
Android List View Drag and Drop sort http://stackoverflow.com/questions/2909311/android-list-view-drag-and-drop-sort be found at https github.com bauerca drag sort listview Its use is very similar to the TouchInterceptor on which the code..
How to Read MMS Data in Android? http://stackoverflow.com/questions/3012287/how-to-read-mms-data-in-android may be requested in the projection for a query. Its value is either mms or sms depending on whether the message..
How to get current memory usage in android? http://stackoverflow.com/questions/3170691/how-to-get-current-memory-usage-in-android management share improve this question Thank you. Its done and it works Let me tell you what I did So others who visit..
Android - Application (apk) Maximum size http://stackoverflow.com/questions/3536463/android-application-apk-maximum-size emulator sd card apk avd share improve this question Its probably device specific as devices has a different amount of.. developers browse_thread thread 18cbb2404778618e pli 1 Its application dependant. The developer may state that the app.. version 2.1 the app will be installed into the memory. Its defined inside the AndoridMainfest.xml via the android installLocation..
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 an example of retrieving and storing shared preferences. Its located in the android sdk home samples android platformversion..
Android - Camera preview is sideways http://stackoverflow.com/questions/3841122/android-camera-preview-is-sideways sense for my Activity to be displayed in landscape mode. Its disabled by default So I was wondering is there anyway to just..
Best practices for unit testing Android apps [closed] http://stackoverflow.com/questions/522312/best-practices-for-unit-testing-android-apps android applications possible with minimum effort. Its used in conjunction with ActivityInstrumentationTestCase2. ..
Custom filtering of intent chooser based on installed Android package name http://stackoverflow.com/questions/5734678/custom-filtering-of-intent-chooser-based-on-installed-android-package-name for the chooser is Intent.EXTRA_INITIAL_INTENTS . Its description is A Parcelable of Intent or LabeledIntent objects..
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment Put any other arguments myFragment.setArguments args Its a good way to tell other classes what arguments it expects to..
Android update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars update 17 seems incompatible with external Jars I just allowed my mac to do an update on its java installation and now some of my old jars like javax.mail and apache.commons.httpclient is throwing class not found..
http://stackoverflow.com/questions/1080811/android-endless-list to implement an OnScrollListener and make changes like adding items etc. to the ListAdapter at a convenient state in its onScroll method. The following ListActivity shows a list of integers starting with 40 adding items when the user scrolls..
How to check visibility of software keyboard in Android? http://stackoverflow.com/questions/2150078/how-to-check-visibility-of-software-keyboard-in-android activityRootView.getRootView .getHeight activityRootView.getHeight if heightDiff 100 if more than 100 pixels its probably a keyboard... ... do something here Easy ORIGINAL ANSWER Yes it's possible but it's far harder than it ought to.. customize my top level layout class into one which overrides onMeasure . The basic logic is that if the layout finds itself filling significantly less than the total area of the window then a soft keyboard is probably showing. import android.app.Activity..
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 slightly different than what we saw in meminfo. Why is that Well procrank uses a different kernel mechanism to collect its data than meminfo does and they give slightly different results. Why is that Honestly I haven't a clue. I believe procrank..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android you want with. This code works by getting the location of the image in the ContentResolver database but that on its own isn't enough. Each image has about 18 columns of information ranging from its filepath to 'date last modified' to the.. ContentResolver database but that on its own isn't enough. Each image has about 18 columns of information ranging from its filepath to 'date last modified' to the GPS coordinates of where the photo was taken though many of the fields aren't actually.. don't know which column it's in until you use the columnIndex code. That simply gets the number of the column based on its name the same one used in the filtering process. Once you've got that you're finally able to decode the image into a bitmap..
How to pass object from one activity to another in Android http://stackoverflow.com/questions/2736389/how-to-pass-object-from-one-activity-to-another-in-android String data null data First Name firstName Last Name lastName Age Age Address Address return data I want to send its object from one Activity to another and then display the data on the other Activity . How can I achieve that android object..
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 that. Well I do so I did. So the question is how can you place a ListView into a ScrollView without it collapsing to its minimum height android listview scrollview share improve this question Using a ListView to make it not scroll is extremely..
http://stackoverflow.com/questions/3572463/what-is-context-in-android understand it clearly. android android context share improve this question Putting it simply As the name suggests its the context of current state of the application object. It lets newly created objects understand what has been going on...
Auto Scale TextView Text to Fit within Bounds http://stackoverflow.com/questions/5033012/auto-scale-textview-text-to-fit-within-bounds to Fit within Bounds I'm looking for an optimal way to resize wrapping text in a TextView so that it will fit within its getHeight and getWidth bounds. I'm not simply looking for a way to wrap the text I want to make sure it both wraps and is.. whether text will be small enough tl dr is there a best practice way to auto resize a textview to fit wrapped in its getHeight and getWidth bounds Thanks to everyone who shared what they had I recommend Chase's solution for most cases and.. text view to measure the height. From there I step down by 2 font pixels and remeasure until I have a size that fits. At the end if the text still does not fit I append an ellipsis. I had requirements to animate the text and reuse views..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables your state with the Application context. As you know each Activity is also a Context which is information about its execution environment in the broadest sense. Your application also has a context and Android guarantees that it will exist.. on demand using an Application subclass as well. Again there is no difference. Diane ends with The framework itself has tons and tons of singletons for all the little shared data it maintains for the app such as caches of loaded resources..
When to call activity context OR application context? http://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context these two contexts are.. But I'm still not getting it quite right As I understand it so far Each is an instance of its class which means that some programmers recommend you to use this.getApplicationContext as often as possible in order to.. you have at your disposal. Scenarios include Use getApplicationContext if you need something tied to a Context that itself will have global scope. I use getApplicationContext for example in WakefulIntentService for the static WakeLock to be..
How to support Arabic text in Android? http://stackoverflow.com/questions/7962704/how-to-support-arabic-text-in-android Arabic text in Android I am getting Arabic text from server successfully. Retrieved text I want display in code but its showing boxes instead of Arabic text. Assume that t array values are Arabic text from server. string t Textview tv Textview..
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 in low memory situations where the system does not have enough memory to keep your activity's process running after its onPause method is called. onDestroy The final call you receive before your activity is destroyed. This can happen either.. the OS to reclaim memory and resources. The following diagram illustrates the states an activity can go through during its lifetime These states can be broken into 3 main groups as follows Active or Running Activities are considered active or..
http://stackoverflow.com/questions/8657894/android-facebook-style-slide Facebook style slide The new Facebook application and its navigation is so cool. I was just trying to see how it can be emulated in my application. Anyone has a clue how it can be..
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 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 this question EDIT You can find source code sample project here ... mDataBase private final Context mContext public DataBaseHelper Context context super context DB_NAME null 1 1 its Database Version if android.os.Build.VERSION.SDK_INT 17 DB_PATH context.getApplicationInfo .dataDir databases else DB_PATH..
bitmap size exceeds Vm budget error android http://stackoverflow.com/questions/10737582/bitmap-size-exceeds-vm-budget-error-android app. so to check that please install the MAT for eclipse. You can find it at http www.eclipse.org mat downloads.php Its a bit complicated software but as you go through it you will understand its pretty useful software. Even if this doesn't..
Android emulator doesn't take keyboard input - SDK tools rev 20 http://stackoverflow.com/questions/11235370/android-emulator-doesnt-take-keyboard-input-sdk-tools-rev-20 reinstalled Eclipse Android plugins re created emulator devices. But none of that seem to help and its driving me mad. Its hopeless to key in using a laptop's trackpad. Has anyone encountered this problem android android emulator share improve..
Android - How to make slide menu like facebook, spotify and Google + http://stackoverflow.com/questions/11465774/android-how-to-make-slide-menu-like-facebook-spotify-and-google I have Spent two days on it 1. on making animations of sliding 2. on making it work with all screen resolutions Its really easy and simple once you get some idea about Animations i have read some where its not sensible to re invent the..
http://stackoverflow.com/questions/17839419/android-thread-for-a-timer catch InterruptedException e t.start This is a code for a Thread in Java but it doesn't work. Can you help me Its a Timer that counts down from 5 Minutes to 0 00. java android share improve this question You are trying to update..
Which programming languages can I use on Android Dalvik? http://stackoverflow.com/questions/1994703/which-programming-languages-can-i-use-on-android-dalvik
How to select and crop an image in android? http://stackoverflow.com/questions/2085003/how-to-select-and-crop-an-image-in-android image android intent crop share improve this question I have also faced this problem .You can try with this code. Its working fine for me private static final String TEMP_PHOTO_FILE temporary_holder.jpg Intent photoPickerIntent new Intent..
Android - Switch Tabs from within an Activity within a tab http://stackoverflow.com/questions/2541802/android-switch-tabs-from-within-an-activity-within-a-tab one. That being said some of the things you would think would be easy become complicated with activity based tabs. Its hard to pass information between tabs without creating overhead. Activity based tabs also use more memory CPU time as they..
Converting a view to Bitmap without displaying it in Android? http://stackoverflow.com/questions/2801116/converting-a-view-to-bitmap-without-displaying-it-in-android v.getTop v.getRight v.getBottom v.draw c return b if the view wasn't displayed before the size of it will be zero. Its possible to measure it like this if v.getMeasuredHeight 0 v.measure LayoutParams.WRAP_CONTENT LayoutParams.WRAP_CONTENT..
Android List View Drag and Drop sort http://stackoverflow.com/questions/2909311/android-list-view-drag-and-drop-sort do but I'm happy with it so far. My code and several demos can be found at https github.com bauerca drag sort listview Its use is very similar to the TouchInterceptor on which the code is based although significant implementation changes have..
How to Read MMS Data in Android? http://stackoverflow.com/questions/3012287/how-to-read-mms-data-in-android Documentation says A virtual column MmsSms.TYPE_DISCRIMINATOR_COLUMN may be requested in the projection for a query. Its value is either mms or sms depending on whether the message represented by the row is an MMS message or an SMS message respectively...
How to get current memory usage in android? http://stackoverflow.com/questions/3170691/how-to-get-current-memory-usage-in-android any other way of getting memory usage in android android memory management share improve this question Thank you. Its done and it works Let me tell you what I did So others who visit this thread can come to know the steps parse proc meminfo..
Android - Application (apk) Maximum size http://stackoverflow.com/questions/3536463/android-application-apk-maximum-size any way to zip the images or such method android android emulator sd card apk avd share improve this question Its probably device specific as devices has a different amount of memory available for application. ref http groups.google.com.. for application. ref http groups.google.com group android developers browse_thread thread 18cbb2404778618e pli 1 Its application dependant. The developer may state that the app should be preferrebly install on internal memory the SD card.. is only supported on Android 2.2. On older version of android version 2.1 the app will be installed into the memory. Its defined inside the AndoridMainfest.xml via the android installLocation element. It supports the values internalOnly preferExternal..
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
Android - Camera preview is sideways http://stackoverflow.com/questions/3841122/android-camera-preview-is-sideways Activity that has other elements in it and it does not make sense for my Activity to be displayed in landscape mode. Its disabled by default So I was wondering is there anyway to just change the orientation of the Preview And leave the rest..
Best practices for unit testing Android apps [closed] http://stackoverflow.com/questions/522312/best-practices-for-unit-testing-android-apps
Custom filtering of intent chooser based on installed Android package name http://stackoverflow.com/questions/5734678/custom-filtering-of-intent-chooser-based-on-installed-android-package-name share improve this question The only one additional parameter for the chooser is Intent.EXTRA_INITIAL_INTENTS . Its description is A Parcelable of Intent or LabeledIntent objects as set with putExtra String Parcelable of additional activities..
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment args.putInt someInt someInt args.putString someString someString Put any other arguments myFragment.setArguments args Its a good way to tell other classes what arguments it expects to work faithfully though you should be able to handle cases..
How to generate Image Histogram in Android? http://stackoverflow.com/questions/17740059/how-to-generate-image-histogram-in-android AVERAGE OF ALL red green and blue values. maxR maxR 255 maxG maxG 255 maxB maxB 255 As I AM GENERATING 3 GRAPHS ITS COMPULSARY TO KEEP THEM ON SCREEN SO TAKING THEIR AVERAGE. max maxR maxG maxB 3 DEVIDED BY 8 TO GET GRAPH OF THE SAME SIZE.. TO KEEP THEM ON SCREEN SO TAKING THEIR AVERAGE. max maxR maxG maxB 3 DEVIDED BY 8 TO GET GRAPH OF THE SAME SIZE AS ITS IN PREVIEW max max 2.5 arrAllPoints NSMutableArray alloc init for int i 0 i 255 i ClsDrawPoint objPoint ClsDrawPoint alloc..
http://stackoverflow.com/questions/3929984/recording-call-help-needed directory.mkdirs break Recoders_Init CallFile Recorder_Prepare Log.v DEBUG TelephonyManager.CALL_STATE_OFFHOOK ITS.CallRecorder Recording Started state break private String SanityDate SimpleDateFormat formatter new SimpleDateFormat yyMMdd.. static String _Path android.os.Environment.getExternalStorageDirectory .getAbsolutePath ITS CallRecorder static boolean _Started false static boolean _AutoStart true static boolean _Recording false static MediaRecorder..
Android read text raw resource file http://stackoverflow.com/questions/4087674/android-read-text-raw-resource-file TO NINETY 90 DAYS FROM THE DATE OF DELIVERY. c NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVEN BY VIRTUAL ORIENTEERING ITS DEALERS DISTRIBUTORS AGENTS OR EMPLOYEES SHALL CREATE A WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF ANY WARRANTY PROVIDED..
Android style Resources compile (aapt) failing : Bad resource table: header size 0xc http://stackoverflow.com/questions/6009618/android-style-resources-compile-aapt-failing-bad-resource-table-header-size PROBLEM send_email_activity.xml isnt the file with the error. send_email_activity.xml compiled ok and was output. ITS THE ONE AFTER send_email_activity.xml that we want Problem filename that threw the error missing. How to Find the file AFTER..
create custom tab in FragmentActivity http://stackoverflow.com/questions/9958303/create-custom-tab-in-fragmentactivity FragmentActivity mTabHost TabHost findViewById android.R.id.tabhost mTabHost.setup if mTabHost null System.out.println ITS NOT NULL mViewPager ViewPager findViewById R.id.pager mTabsAdapter new TabsAdapter this mTabHost mViewPager mTabsAdapter.addTab..
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