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2014/10/16 ¤W¤È 08:10:16
android Programming Glossary: assumingAndroid update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars Or is this some totally unrelated problem that I'm just assuming has to do with the Java update would be quite a coincidence..
Changing the background drawable of the searchview widget http://stackoverflow.com/questions/11085308/changing-the-background-drawable-of-the-searchview-widget patches for selected state for both Dark and Light themes assuming that you want to handle both and make them both look the same..
Appropriate multiplication of matrices for rotation/translation http://stackoverflow.com/questions/11965593/appropriate-multiplication-of-matrices-for-rotation-translation an error because it is not a 4 element column vector. I'm assuming that '_ModelMatrixBody' is a 4x4 matrix and '_uBodyCentre' is..
Complete Working Sample of the Gmail Three-Fragment Animation Scenario? http://stackoverflow.com/questions/12253965/complete-working-sample-of-the-gmail-three-fragment-animation-scenario ThreeLayout gets the weight of the left pane as param assuming the other visible view has weight 1 . So new ThreeLayout context..
How to add image in expandable List in parent in android? http://stackoverflow.com/questions/1353101/how-to-add-image-in-expandable-list-in-parent-in-android but simple. Here's some code that should get you started assuming that you're using ExpandableListActivity . In this example we..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar device and the update button open the Play Store. I am assuming Bazaar is meant to provide Google Play Services on android emulator..
Zxing Camera in Portrait mode on Android http://stackoverflow.com/questions/16252791/zxing-camera-in-portrait-mode-on-android height Log.i TAG Display reports portrait orientation assuming this is incorrect int temp width width height height temp Step..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application For example in the destroy method of the root activity assuming that the app never kills this activity Also Android will not..
How to create directory automatically on SD card http://stackoverflow.com/questions/2130932/how-to-create-directory-automatically-on-sd-card However when I put the path as sdcard it works. Now I'm assuming that I'm not able to create directory automatically this way...
How to find serial number of Android device? http://stackoverflow.com/questions/2322234/how-to-find-serial-number-of-android-device GSM or CDMA . Each device MUST return a unique value here assuming it's a phone . This should work for any Android device with..
How to adjust text font size to fit textview http://stackoverflow.com/questions/2617266/how-to-adjust-text-font-size-to-fit-textview size the font so the specified text fits in the text box assuming the text box is the specified width. private void refitText..
How to implement a custom AlertDialog View http://stackoverflow.com/questions/2795300/how-to-implement-a-custom-alertdialog-view R.layout.whatever on the builder but it didn't work. I'm assuming because I didn't manually inflate it AlertDialog.Builder builder..
Android: can height of SlidingDrawer be set with wrap_content? http://stackoverflow.com/questions/3654492/android-can-height-of-slidingdrawer-be-set-with-wrap-content boolean mVertical private int mTopOffset Example layout assuming WrappingSlidingDrawer is in package com.package FrameLayout..
Inserting contacts in Android 2.2 http://stackoverflow.com/questions/4075694/inserting-contacts-in-android-2-2 Q was long forgotten but Since someone upvoted it I am assuming someone else also faces the same problem as me. After a little..
Android: Want to set custom fonts for whole application not runtime http://stackoverflow.com/questions/4395309/android-want-to-set-custom-fonts-for-whole-application-not-runtime you having to specify them by ID. This of course is assuming you want to set the font to every view. share improve this..
Conversion to Dalvik format failed: Unable to execute dex: Java heap space http://stackoverflow.com/questions/5943712/conversion-to-dalvik-format-failed-unable-to-execute-dex-java-heap-space eclipse.ini is located at etc eclipse.ini in Ubuntu assuming you installed Eclipse from the Ubuntu repositories . For MAC..
Android: failed to allocate memory http://stackoverflow.com/questions/5969067/android-failed-to-allocate-memory it with more ram so I can test a game I'm developing. I'm assuming with more ram it would run faster... Has anyone got 2047 mb..
How do I convert ppi into dpi for Android images? http://stackoverflow.com/questions/6930031/how-do-i-convert-ppi-into-dpi-for-android-images ~320dpi . Therefore generalised size of your resources assuming they are full screen ldpi Vertical 426 120 160 319.5px Horizontal.. screens such as TVs and the Nexus 4 including the Nexus 10 assuming they don't create a new category for this as it is 25k x 16k..
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard and pops up the keyboard. I admit this is a hack but I am assuming you just want this to work. I've tested it and it works fine...
nullpointer exception raises when i click on the button http://stackoverflow.com/questions/11080994/nullpointer-exception-raises-when-i-click-on-the-button resID Bitmap bitmap BitmapFactory.decodeStream is Update Assuming I know what it is you're trying to do the problem is that you're..
How to add a Fragment inside a ViewPager using Nested Fragment (Android 4.2) http://stackoverflow.com/questions/13379194/how-to-add-a-fragment-inside-a-viewpager-using-nested-fragment-android-4-2 android support library share improve this question Assuming you have created the correct xml layouts. It is now very simple..
Android: Get Selected Item Using Checkbox in Listview when I click a Button http://stackoverflow.com/questions/18162931/android-get-selected-item-using-checkbox-in-listview-when-i-click-a-button android android listview share improve this question Assuming you want to get items of row whose check boxes are checked at..
Listen to a shoutcast with Android http://stackoverflow.com/questions/1963105/listen-to-a-shoutcast-with-android the actual audio stream URLs to MediaPlayer for playback. Assuming those streams are within specifications and not all are Android..
how to connect android emulator to the internet http://stackoverflow.com/questions/2039964/how-to-connect-android-emulator-to-the-internet this however obliquely but here's what worked for me. Assuming your problem is occurring when you're on a wireless network..
Prevent onPause from trashing OpenGL Context http://stackoverflow.com/questions/2112768/prevent-onpause-from-trashing-opengl-context answer is you can't prevent it without breaking your app. Assuming you are using the standard Android OpenGL framework you need..
How to add manifest permission to android application? http://stackoverflow.com/questions/2169294/how-to-add-manifest-permission-to-android-application exception android manifest share improve this question Assuming you do not have permissions set from your LogCat error description..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview new EditText this listView.addHeaderView view null true Assuming there are other items in the adapter using the arrow keys will..
How is location accuracy measured in Android? http://stackoverflow.com/questions/3052517/how-is-location-accuracy-measured-in-android true location is within that radius of the measured point. Assuming that errors are normally distributed which as the docs say is..
How to measure GPS signal strength on Android? http://stackoverflow.com/questions/3551697/how-to-measure-gps-signal-strength-on-android and each one of those has a signal to noise ratio getSnr . Assuming you mean accuracy try Location.getAccuracy . share improve..
Redraw a single row in a listview http://stackoverflow.com/questions/4075975/redraw-a-single-row-in-a-listview i start list.getAdapter .getView i view list break Assuming target is one item of the adapter. This code retrieve the ListView..
hiding strings in Obfuscated code http://stackoverflow.com/questions/4427238/hiding-strings-in-obfuscated-code java android proguard share improve this question Assuming you are happy with obscure rather than secure there a number..
How to register a new activity in manifest.xml? http://stackoverflow.com/questions/4481903/how-to-register-a-new-activity-in-manifest-xml java android eclipse share improve this question Assuming you're using Eclipse Goto your Android Manifest goto the Applications..
http://stackoverflow.com/questions/5458156/diffinitive-rules-for-using-androids-getbasecontext-getapplicationcontext-or-u only with great caution and if possible not at all Assuming these are correct what is the use of getBaseContext I've seen..
Android: Retrieving shared preferences of other application http://stackoverflow.com/questions/6030321/android-retrieving-shared-preferences-of-other-application android preferences shared share improve this question Assuming the preference are WORLD_READABLE this might work final ArrayList..
Finish all previous activities http://stackoverflow.com/questions/6330260/finish-all-previous-activities intent This will clear all the activities on top of home. Assuming you are finishing the login screen when the user logs in and..
http://stackoverflow.com/questions/7344497/android-canvas-draw-rectangle android android canvas share improve this question Assuming that part within rectangle don't have content color means that..
Android ViewPager findViewById not working - Always returning null http://stackoverflow.com/questions/7968573/android-viewpager-findviewbyid-not-working-always-returning-null hair out over this issue I have solved it At least for me. Assuming you used the tutsplus tutorial like I did you have separate..
Android update 17 seems incompatible with external Jars http://stackoverflow.com/questions/10046298/android-update-17-seems-incompatible-with-external-jars Or do I need to revert back to my previous version of java Or is this some totally unrelated problem that I'm just assuming has to do with the Java update would be quite a coincidence all of this worked perfectly prior to the update . TIA java..
Changing the background drawable of the searchview widget http://stackoverflow.com/questions/11085308/changing-the-background-drawable-of-the-searchview-widget Dark . So probably there's no need to make local copies of 9 patches for selected state for both Dark and Light themes assuming that you want to handle both and make them both look the same as in Holo Theme . Simply make one local copy and use it in..
Appropriate multiplication of matrices for rotation/translation http://stackoverflow.com/questions/11965593/appropriate-multiplication-of-matrices-for-rotation-translation naming of '_uBodyCentreMatrix' you are probably encountering an error because it is not a 4 element column vector. I'm assuming that '_ModelMatrixBody' is a 4x4 matrix and '_uBodyCentre' is a 4 element vector otherwise these could be problematic as..
Complete Working Sample of the Gmail Three-Fragment Animation Scenario? http://stackoverflow.com/questions/12253965/complete-working-sample-of-the-gmail-three-fragment-animation-scenario and 2 custom Animations MyScalAnimation MyTranslateAnimation ThreeLayout gets the weight of the left pane as param assuming the other visible view has weight 1 . So new ThreeLayout context 3 creates a new view with 3 children and the left pane..
How to add image in expandable List in parent in android? http://stackoverflow.com/questions/1353101/how-to-add-image-in-expandable-list-in-parent-in-android Working with SimpleExpandableListAdapter is anything but simple. Here's some code that should get you started assuming that you're using ExpandableListActivity . In this example we use the standard android.R.layout.simple_expandable_list_item_1..
This app won't run unless you update Google Play Services. (via Bazaar) http://stackoverflow.com/questions/13691943/this-app-wont-run-unless-you-update-google-play-services-via-bazaar
Zxing Camera in Portrait mode on Android http://stackoverflow.com/questions/16252791/zxing-camera-in-portrait-mode-on-android CameraConfigurationManager.java remove the following if width height Log.i TAG Display reports portrait orientation assuming this is incorrect int temp width width height height temp Step 4 Add following line to rotate camera in setDesiredCameraParameters..
How to close Android application? http://stackoverflow.com/questions/2092951/how-to-close-android-application class and then call it whenever the app needs to be killed. For example in the destroy method of the root activity assuming that the app never kills this activity Also Android will not notify an application of the HOME key event so you cannot close..
How to create directory automatically on SD card http://stackoverflow.com/questions/2130932/how-to-create-directory-automatically-on-sd-card but I'm getting hte exception java.io.FileNotFoundException However when I put the path as sdcard it works. Now I'm assuming that I'm not able to create directory automatically this way. Can someone suggest how to create a directory and sub directory..
How to find serial number of Android device? http://stackoverflow.com/questions/2322234/how-to-find-serial-number-of-android-device MEID of the device depending on which radio the phone uses GSM or CDMA . Each device MUST return a unique value here assuming it's a phone . This should work for any Android device with a sim slot or CDMA radio. You're on your own with that Android..
How to adjust text font size to fit textview http://stackoverflow.com/questions/2617266/how-to-adjust-text-font-size-to-fit-textview the initially specified text size unless it is too small Re size the font so the specified text fits in the text box assuming the text box is the specified width. private void refitText String text int textWidth if textWidth 0 return int targetWidth..
How to implement a custom AlertDialog View http://stackoverflow.com/questions/2795300/how-to-implement-a-custom-alertdialog-view whatever Here's my code. I tried to use setView findViewById R.layout.whatever on the builder but it didn't work. I'm assuming because I didn't manually inflate it AlertDialog.Builder builder new AlertDialog.Builder this builder.setTitle Title .setCancelable..
Android: can height of SlidingDrawer be set with wrap_content? http://stackoverflow.com/questions/3654492/android-can-height-of-slidingdrawer-be-set-with-wrap-content setMeasuredDimension widthSpecSize heightSpecSize private boolean mVertical private int mTopOffset Example layout assuming WrappingSlidingDrawer is in package com.package FrameLayout android layout_width fill_parent android layout_height fill_parent..
Inserting contacts in Android 2.2 http://stackoverflow.com/questions/4075694/inserting-contacts-in-android-2-2 android contacts share improve this question I thought this Q was long forgotten but Since someone upvoted it I am assuming someone else also faces the same problem as me. After a little struggle I was able to figure out the problem and insert..
Android: Want to set custom fonts for whole application not runtime http://stackoverflow.com/questions/4395309/android-want-to-set-custom-fonts-for-whole-application-not-runtime
Conversion to Dalvik format failed: Unable to execute dex: Java heap space http://stackoverflow.com/questions/5943712/conversion-to-dalvik-format-failed-unable-to-execute-dex-java-heap-space Eclipse won't restart because you don't have enough memory. eclipse.ini is located at etc eclipse.ini in Ubuntu assuming you installed Eclipse from the Ubuntu repositories . For MAC please see Finding eclipse.ini is a wee bit tricky. To locate..
Android: failed to allocate memory http://stackoverflow.com/questions/5969067/android-failed-to-allocate-memory lowering the number will make it work. But I'd rather have it with more ram so I can test a game I'm developing. I'm assuming with more ram it would run faster... Has anyone got 2047 mb of ram on the emulator If so how What settings did you use Did..
How do I convert ppi into dpi for Android images? http://stackoverflow.com/questions/6930031/how-do-i-convert-ppi-into-dpi-for-android-images ~240dpi . xhdpi Resources for extra high density xhdpi screens ~320dpi . Therefore generalised size of your resources assuming they are full screen ldpi Vertical 426 120 160 319.5px Horizontal 320 120 160 240px mdpi Vertical 470 160 160 470px Horizontal.. 160 1440px These values should be suitable for most xhdpi screens such as TVs and the Nexus 4 including the Nexus 10 assuming they don't create a new category for this as it is 25k x 16k don't know as I haven't got hands on one yet . Edit If you..
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard of the .xml file this puts the first edittext into focus and pops up the keyboard. I admit this is a hack but I am assuming you just want this to work. I've tested it and it works fine. xml version 1.0 encoding utf 8 LinearLayout xmlns android..
nullpointer exception raises when i click on the button http://stackoverflow.com/questions/11080994/nullpointer-exception-raises-when-i-click-on-the-button decode InputStream is context.getResources .openRawResource resID Bitmap bitmap BitmapFactory.decodeStream is Update Assuming I know what it is you're trying to do the problem is that you're switching to the CheckData activity without passing the..
How to add a Fragment inside a ViewPager using Nested Fragment (Android 4.2) http://stackoverflow.com/questions/13379194/how-to-add-a-fragment-inside-a-viewpager-using-nested-fragment-android-4-2 learn how works. android android fragments android viewpager android support library share improve this question Assuming you have created the correct xml layouts. It is now very simple to display fragments in a ViewPager that is hosted by another..
Android: Get Selected Item Using Checkbox in Listview when I click a Button http://stackoverflow.com/questions/18162931/android-get-selected-item-using-checkbox-in-listview-when-i-click-a-button app_info listApplication.setAdapter adapter android android listview share improve this question Assuming you want to get items of row whose check boxes are checked at the click of a button. Assumption based on your title Get..
Listen to a shoutcast with Android http://stackoverflow.com/questions/1963105/listen-to-a-shoutcast-with-android correctly and parsing yourself but you can then hand the actual audio stream URLs to MediaPlayer for playback. Assuming those streams are within specifications and not all are Android should be able to play them back. But I am not a Shoutcast..
how to connect android emulator to the internet http://stackoverflow.com/questions/2039964/how-to-connect-android-emulator-to-the-internet this question I think some of the answers may have addressed this however obliquely but here's what worked for me. Assuming your problem is occurring when you're on a wireless network and you have a LAN card installed the issue is that the emulator..
Prevent onPause from trashing OpenGL Context http://stackoverflow.com/questions/2112768/prevent-onpause-from-trashing-opengl-context resources particularly on low spec devices . So the short answer is you can't prevent it without breaking your app. Assuming you are using the standard Android OpenGL framework you need to do the following... In your activity ensure you have the..
How to add manifest permission to android application? http://stackoverflow.com/questions/2169294/how-to-add-manifest-permission-to-android-application but its still giving the same exception. android exception android manifest share improve this question Assuming you do not have permissions set from your LogCat error description here is my contents for my AndroidMainfest.xml file that..
Focusable EditText inside ListView http://stackoverflow.com/questions/2679948/focusable-edittext-inside-listview android layout_width fill_parent Header view EditText view new EditText this listView.addHeaderView view null true Assuming there are other items in the adapter using the arrow keys will move the selection up down in the list as expected but when..
How is location accuracy measured in Android? http://stackoverflow.com/questions/3052517/how-is-location-accuracy-measured-in-android of 68 confidence meaning that there is a 68 chance that the true location is within that radius of the measured point. Assuming that errors are normally distributed which as the docs say is not necessarily true that means that this is one standard..
How to measure GPS signal strength on Android? http://stackoverflow.com/questions/3551697/how-to-measure-gps-signal-strength-on-android
Redraw a single row in a listview http://stackoverflow.com/questions/4075975/redraw-a-single-row-in-a-listview i j i if target list.getItemAtPosition i View view list.getChildAt i start list.getAdapter .getView i view list break Assuming target is one item of the adapter. This code retrieve the ListView then browse the currently shown views compare the target..
hiding strings in Obfuscated code http://stackoverflow.com/questions/4427238/hiding-strings-in-obfuscated-code means nothing unless it is pointing to some sort of address. java android proguard share improve this question Assuming you are happy with obscure rather than secure there a number of mechanisms you could use but obfuscaters like proguard are..
How to register a new activity in manifest.xml? http://stackoverflow.com/questions/4481903/how-to-register-a-new-activity-in-manifest-xml in the .xml. How can I register a new activity in manifest.xml java android eclipse share improve this question Assuming you're using Eclipse Goto your Android Manifest goto the Applications Tab at the bottom click on Add Choose Activity. On..
http://stackoverflow.com/questions/5458156/diffinitive-rules-for-using-androids-getbasecontext-getapplicationcontext-or-u context this should be used Store context pointers statically only with great caution and if possible not at all Assuming these are correct what is the use of getBaseContext I've seen a great many examples where new intents are created using..
Android: Retrieving shared preferences of other application http://stackoverflow.com/questions/6030321/android-retrieving-shared-preferences-of-other-application available keys and values in that preference Thanks Swathi android preferences shared share improve this question Assuming the preference are WORLD_READABLE this might work final ArrayList HashMap String String LIST new ArrayList HashMap String..
Finish all previous activities http://stackoverflow.com/questions/6330260/finish-all-previous-activities intent.addFlags Intent.FLAG_ACTIVITY_CLEAR_TOP startActivity intent This will clear all the activities on top of home. Assuming you are finishing the login screen when the user logs in and home is created and afterwards all the screens from 1 to 5..
http://stackoverflow.com/questions/7344497/android-canvas-draw-rectangle with black color but I want just frame around like this image android android canvas share improve this question Assuming that part within rectangle don't have content color means that you want different fills within the rectangle you need to..
Android ViewPager findViewById not working - Always returning null http://stackoverflow.com/questions/7968573/android-viewpager-findviewbyid-not-working-always-returning-null this question After much frustration and pulling my hair out over this issue I have solved it At least for me. Assuming you used the tutsplus tutorial like I did you have separate XML files for your screens. Now I assume those layout XMLs contain..
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