2014/10/16 上午 08:18:21
android Programming Glossary: magicHow ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works view as putting Listview inside LinearLayout worked like magic for me. didn't know why 01 01 14 49 36.606 I System.out 13871..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android portrait in the manifest XML. This works OK for the HTC magic phone and prevents orientation changes on other phones as well..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts to determine the maximum allowed Native heap size. The magic numbers were determined by testing on 2.1 and 2.2 and may be.. Do not call BitmapFactory Note that the heapPad is a magic number to allow for the fact that a the reporting of Native..
How to get an Android WakeLock to work? http://stackoverflow.com/questions/2039555/how-to-get-an-android-wakelock-to-work the screen on. Instead use the WindowManager to do the magic. The following one line will suffice the WakeLock. The WakeLock..
Effective Android Programming Techniques [closed] http://stackoverflow.com/questions/2961049/effective-android-programming-techniques like Cursors are overlooked. Free them too. Don't Use magic Numbers. values 0 is meaningless. The framework provides very..
How to center progress indicator in ProgressDialog easily (when no title/text passed along) http://stackoverflow.com/questions/3225889/how-to-center-progress-indicator-in-progressdialog-easily-when-no-title-text-pa methods comes from this link nothing strange but the magic occurs in the constructor. Check that I pass as parameter an..
Intent to launch the clock application on android http://stackoverflow.com/questions/3590955/intent-to-launch-the-clock-application-on-android views this worked on my htc magic with 1.5 and 1.6 else RemoteViews views new RemoteViews context.getPackageName..
Android - SQlite Getting nearest locations (with latitude and longitude) http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude that use this function but can someone please explain the magic Thanks Btw found this alternative http stackoverflow.com questions..
Camera.Parameters.FLASH_MODE_TORCH replacement for Android 2.1 http://stackoverflow.com/questions/3878294/camera-parameters-flash-mode-torch-replacement-for-android-2-1 if result alertFlashlightNotSupported The magic that makes this work in releaseCameraResources is that it calls..
The connection to adb is down and a sever error has occured http://stackoverflow.com/questions/4072706/the-connection-to-adb-is-down-and-a-sever-error-has-occured used by other programs. What is going on here Is there a magic combo of versions of Eclipse Java adb emulator and whatever..
How to programatically create and read WEP/EAP WiFi configurations in Android? http://stackoverflow.com/questions/4374862/how-to-programatically-create-and-read-wep-eap-wifi-configurations-in-android not write to ReadConfigLog.txt e.getMessage reflection magic These are the fields we are really interested in try Let.. are the fields we are really interested in try Let the magic start Class wcClasses WifiConfiguration.class.getClasses null..
Integration ZXing library directly into my Android application http://stackoverflow.com/questions/4782543/integration-zxing-library-directly-into-my-android-application f core build.xml' press enter and let Apache work it's magic having issues Enter Eclipse new Android Project based on the..
Android: Unable to instantiate activity / ClassNotFoundException http://stackoverflow.com/questions/4820554/android-unable-to-instantiate-activity-classnotfoundexception etc. The app is a simple soundboard so there's really no magic involved but I can't get why it fails on some phones. Here's..
How to convert coordinates of the image view to the coordinates of the bitmap? http://stackoverflow.com/questions/4933612/how-to-convert-coordinates-of-the-image-view-to-the-coordinates-of-the-bitmap float widthRatio intrinsicWidth scaledWidth do whatever magic to get your touch point MotionEvent event get the distance from..
Why does ContentResolver.requestSync not trigger a sync? http://stackoverflow.com/questions/5253858/why-does-contentresolver-requestsync-not-trigger-a-sync and invalidate and redraw a ListView etc... It's very magical the database changes and your ListView just updates automatically...
Trying to attach a file from SD Card to email http://stackoverflow.com/questions/587917/trying-to-attach-a-file-from-sd-card-to-email to the attempt to email it. Anyone fixed this without magic reboots I've already tried that Regards Fin Update Path for..
http://stackoverflow.com/questions/5907369/file-upload-in-webview new WebChromeClient The undocumented magic method override Eclipse will swear at you if you try to put..
Handler vs AsyncTask vs Thread http://stackoverflow.com/questions/6964011/handler-vs-asynctask-vs-thread is not an important point . What does it mean It means no magic in AsyncTask or Handler . They just make your job easier as..
Android Understanding Heap Sizes http://stackoverflow.com/questions/10677850/android-understanding-heap-sizes on my phone with the VM set to 12 MB or on my old HTC Magic phone with 12 MB of VM stock Also do you guys think my app is..
Is there a way to develop C#/.NET on Android devices? http://stackoverflow.com/questions/1443690/is-there-a-way-to-develop-c-net-on-android-devices on Android devices I want to run C# programs on my HTC Magic I can find the mono app on the Android market but I have no..
WebView fails to render until touched Android 4.2.2 [duplicate] http://stackoverflow.com/questions/15127762/webview-fails-to-render-until-touched-android-4-2-2 and I am looking for a different way to fix this. The Magic Code I'm currently using ... class MyWebView extends WebView..
http://stackoverflow.com/questions/15267292/tamil-font-in-android R.id.textView1 Setting the Typeface tv.setTypeface tf Magic happens here encoding conversion String TSCIIString TamilUtil.convertToTamil..
Is it worth purchasing Google Android Dev phone? http://stackoverflow.com/questions/1964788/is-it-worth-purchasing-google-android-dev-phone they have the same specs as the HTC Dream and the HTC Magic since they look exactly the same although they have a 'developers..
Android wallpaper/background dimensions http://stackoverflow.com/questions/2010399/android-wallpaper-background-dimensions
http://stackoverflow.com/questions/2048415/magic-behind-r-java-file behind R.java file Recently I have been having quite some problems..
HttpClient on Android : NoHttpResponseException through UMTS/3G http://stackoverflow.com/questions/2052299/httpclient-on-android-nohttpresponseexception-through-umts-3g servlet deployed on my Tomcat. It is installed on my HTC Magic. If I launch it when connected on Wifi it works. If I launch..
Routing audio to Bluetooth Headset (non-A2DP) on Android http://stackoverflow.com/questions/2144694/routing-audio-to-bluetooth-headset-non-a2dp-on-android 510 and would like to use it with my Android HTC Magic to listen to low quality audio like podcasts audio books. After..
Android: When do classes get unloaded by the system? http://stackoverflow.com/questions/2447588/android-when-do-classes-get-unloaded-by-the-system and it runs just fine. The problem occurs mostly on my HTC Magic phone running Android 1.6. Any insight is highly appreciated...
How do I determine if Android can handle PDF http://stackoverflow.com/questions/2784847/how-do-i-determine-if-android-can-handle-pdf emulator and a rooted cyanogen phone as well as a HTC Magic. If no pdf renderer is available the list will return zero and..
Make Bluetooth on Android 2.1 discoverable indefinitely http://stackoverflow.com/questions/3190623/make-bluetooth-on-android-2-1-discoverable-indefinitely means that the bootloader is unlocked. My phone is an HTC Magic 32B . The Big Question How can I make Bluetooth indefinitely..
missing table in SQLite with specific version of HTC DESIRE HD http://stackoverflow.com/questions/4662941/missing-table-in-sqlite-with-specific-version-of-htc-desire-hd too. This works fine with a lot of devices Nexus One Htc Magic SGS X10 and even Htc Desire HD v2.2 . My application works with.. versions of Android tested on my device 1.6 2.2 2.2.1 Htc Magic and on the emulator v1 5 until v2.3 . I have just a problem..
Event OnClick for a button in a custom notification http://stackoverflow.com/questions/5479165/event-onclick-for-a-button-in-a-custom-notification terminals. I have tried it on the emulator and on an HTC Magic but I have always the same problem I can't click the button..
iOS / Android cross platform development [duplicate] http://stackoverflow.com/questions/6171128/ios-android-cross-platform-development 3D assets a fine example of this is indie game Max and the Magic Marker a 2D physics based side scroller written in Unity. If..
What hardware devices do you test your Android apps on? http://stackoverflow.com/questions/7278559/what-hardware-devices-do-you-test-your-android-apps-on At this stage I'm just testing with two phones HTC Magic 3.5 touchscreen Samsung Galaxy S II 4.3 touchscreen There's..
Dx bad class file magic (cafebabe) or version (0033.0000) with ADK14 http://stackoverflow.com/questions/7866723/dx-bad-class-file-magic-cafebabe-or-version-0033-0000-with-adk14 built in debug and installed on my old version 1.5 HTC Magic it is only when I need to export a signed application package..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works was also having problems like repeating view call and convert view as putting Listview inside LinearLayout worked like magic for me. didn't know why 01 01 14 49 36.606 I System.out 13871 getview 0 null 01 01 14 49 36.636 I System.out 13871 getview..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android in portrait mode so I have defined android screenOrientation portrait in the manifest XML. This works OK for the HTC magic phone and prevents orientation changes on other phones as well . But I have a problem with the HTC G1 phone as i open the..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts So at startup we check the maximum allowed VM heap size to determine the maximum allowed Native heap size. The magic numbers were determined by testing on 2.1 and 2.2 and may be different on other API levels. long mMaxVmHeap Runtime.getRuntime.. if sizeReqd allocNativeHeap heapPad mMaxNativeHeap Do not call BitmapFactory Note that the heapPad is a magic number to allow for the fact that a the reporting of Native heap size is soft and b we want to leave some space in the Native..
How to get an Android WakeLock to work? http://stackoverflow.com/questions/2039555/how-to-get-an-android-wakelock-to-work released after usage. WakeLock is an Inefficient way of keeping the screen on. Instead use the WindowManager to do the magic. The following one line will suffice the WakeLock. The WakeLock Permission is also needed for this to work. Also this code..
Effective Android Programming Techniques [closed] http://stackoverflow.com/questions/2961049/effective-android-programming-techniques Don't forget to free resources after use . Lot of resources like Cursors are overlooked. Free them too. Don't Use magic Numbers. values 0 is meaningless. The framework provides very useful accessors like values SensorManager.DATA_X Make use..
How to center progress indicator in ProgressDialog easily (when no title/text passed along) http://stackoverflow.com/questions/3225889/how-to-center-progress-indicator-in-progressdialog-easily-when-no-title-text-pa Context context super context R.style.NewDialog All the static methods comes from this link nothing strange but the magic occurs in the constructor. Check that I pass as parameter an style. That style is the following xml version 1.0 encoding..
Intent to launch the clock application on android http://stackoverflow.com/questions/3590955/intent-to-launch-the-clock-application-on-android context .updateAppWidget intent.getIntArrayExtra AppWidgetManager.EXTRA_APPWIDGET_IDS views this worked on my htc magic with 1.5 and 1.6 else RemoteViews views new RemoteViews context.getPackageName R.layout.widget Intent AlarmClockIntent new..
Android - SQlite Getting nearest locations (with latitude and longitude) http://stackoverflow.com/questions/3695224/android-sqlite-getting-nearest-locations-with-latitude-and-longitude grateful too I know there are tons of Android apps out there that use this function but can someone please explain the magic Thanks Btw found this alternative http stackoverflow.com questions 3126830 query to get records based on radius in sqlite..
Camera.Parameters.FLASH_MODE_TORCH replacement for Android 2.1 http://stackoverflow.com/questions/3878294/camera-parameters-flash-mode-torch-replacement-for-android-2-1 else boolean result mCamHelper.setFlashlight mIsFlashlightOn if result alertFlashlightNotSupported The magic that makes this work in releaseCameraResources is that it calls Camera.release ....and then I have to reinitialize all my..
The connection to adb is down and a sever error has occured http://stackoverflow.com/questions/4072706/the-connection-to-adb-is-down-and-a-sever-error-has-occured both before and after Eclipse and searched for ports being used by other programs. What is going on here Is there a magic combo of versions of Eclipse Java adb emulator and whatever else that works android command line android emulator adb launching..
How to programatically create and read WEP/EAP WiFi configurations in Android? http://stackoverflow.com/questions/4374862/how-to-programatically-create-and-read-wep-eap-wifi-configurations-in-android take logs using Logcat 5000 Log.e WifiPreference Could not write to ReadConfigLog.txt e.getMessage reflection magic These are the fields we are really interested in try Let the magic start Class wcClasses WifiConfiguration.class.getClasses.. to ReadConfigLog.txt e.getMessage reflection magic These are the fields we are really interested in try Let the magic start Class wcClasses WifiConfiguration.class.getClasses null for overzealous java compiler Class wcEnterpriseField null..
Integration ZXing library directly into my Android application http://stackoverflow.com/questions/4782543/integration-zxing-library-directly-into-my-android-application to the extracted directory In the commandline window Type 'ant f core build.xml' press enter and let Apache work it's magic having issues Enter Eclipse new Android Project based on the android folder in the directory you just extracted Right click..
Android: Unable to instantiate activity / ClassNotFoundException http://stackoverflow.com/questions/4820554/android-unable-to-instantiate-activity-classnotfoundexception no info about the configuration device Android version etc. The app is a simple soundboard so there's really no magic involved but I can't get why it fails on some phones. Here's the stack trace I'm getting I hope anybody can help me out..
How to convert coordinates of the image view to the coordinates of the bitmap? http://stackoverflow.com/questions/4933612/how-to-convert-coordinates-of-the-image-view-to-the-coordinates-of-the-bitmap fitXY is used. float heightRatio intrinsicHeight scaledHeight float widthRatio intrinsicWidth scaledWidth do whatever magic to get your touch point MotionEvent event get the distance from the left and top of the image bounds int scaledImageOffsetX..
Why does ContentResolver.requestSync not trigger a sync? http://stackoverflow.com/questions/5253858/why-does-contentresolver-requestsync-not-trigger-a-sync cursors following that contenturi to update and in turn requery and invalidate and redraw a ListView etc... It's very magical the database changes and your ListView just updates automatically. Awesome. Also when the database changes Android will..
Trying to attach a file from SD Card to email http://stackoverflow.com/questions/587917/trying-to-attach-a-file-from-sd-card-to-email The code which creates the image file is well finished prior to the attempt to email it. Anyone fixed this without magic reboots I've already tried that Regards Fin Update Path for me should have been file sdcard DumbDumpers DumbDumper.jpg you..
http://stackoverflow.com/questions/5907369/file-upload-in-webview demos 199 index.html web.setWebViewClient new myWebClient web.setWebChromeClient new WebChromeClient The undocumented magic method override Eclipse will swear at you if you try to put @Override here For Android 3.0 public void openFileChooser..
Handler vs AsyncTask vs Thread http://stackoverflow.com/questions/6964011/handler-vs-asynctask-vs-thread purely in Java. of course there some exceptions but that is not an important point . What does it mean It means no magic in AsyncTask or Handler . They just make your job easier as a developer. For example If Program A calls method A method..
Android Understanding Heap Sizes http://stackoverflow.com/questions/10677850/android-understanding-heap-sizes with the Out of Memory exception. How come it doesnt crash on my phone with the VM set to 12 MB or on my old HTC Magic phone with 12 MB of VM stock Also do you guys think my app is taking up too much memory I have no idea if those DDMS numbers..
Is there a way to develop C#/.NET on Android devices? http://stackoverflow.com/questions/1443690/is-there-a-way-to-develop-c-net-on-android-devices there a way to develop C# .NET on Android devices I want to run C# programs on my HTC Magic I can find the mono app on the Android market but I have no clue on how to run C# using. The code is just for fun I don't..
WebView fails to render until touched Android 4.2.2 [duplicate] http://stackoverflow.com/questions/15127762/webview-fails-to-render-until-touched-android-4-2-2 in the onDraw method of WebView. This is bad for performance and I am looking for a different way to fix this. The Magic Code I'm currently using ... class MyWebView extends WebView @Override onDraw Canvas canvas invalidate super.OnDraw canvas..
http://stackoverflow.com/questions/15267292/tamil-font-in-android Initialises the TextView TextView tv TextView findViewById R.id.textView1 Setting the Typeface tv.setTypeface tf Magic happens here encoding conversion String TSCIIString TamilUtil.convertToTamil TamilUtil.TSCII 鉈菽恐鉈𨫼 鉈𨫼悅鉒 鉈�鉈拈�温扇鉒𢺋悖鉈賴 鉒 Setting..
Is it worth purchasing Google Android Dev phone? http://stackoverflow.com/questions/1964788/is-it-worth-purchasing-google-android-dev-phone and emulators. Have you tried it do you own one I'm assuming they have the same specs as the HTC Dream and the HTC Magic since they look exactly the same although they have a 'developers edition' custom black design not that I really care about..
Android wallpaper/background dimensions http://stackoverflow.com/questions/2010399/android-wallpaper-background-dimensions
http://stackoverflow.com/questions/2048415/magic-behind-r-java-file behind R.java file Recently I have been having quite some problems with R.java file. Now I have decided to do a backup..
HttpClient on Android : NoHttpResponseException through UMTS/3G http://stackoverflow.com/questions/2052299/httpclient-on-android-nohttpresponseexception-through-umts-3g I have got my android app that uses HttpClient to reach my servlet deployed on my Tomcat. It is installed on my HTC Magic. If I launch it when connected on Wifi it works. If I launch it when connected to 3G GSM data network it doesn't work but..
Routing audio to Bluetooth Headset (non-A2DP) on Android http://stackoverflow.com/questions/2144694/routing-audio-to-bluetooth-headset-non-a2dp-on-android A2DP on Android I have a non A2DP single ear BT headset Plantronics 510 and would like to use it with my Android HTC Magic to listen to low quality audio like podcasts audio books. After much googling I found that only phone call audio can be..
Android: When do classes get unloaded by the system? http://stackoverflow.com/questions/2447588/android-when-do-classes-get-unloaded-by-the-system error causes my app to crash but I can easily re launch it and it runs just fine. The problem occurs mostly on my HTC Magic phone running Android 1.6. Any insight is highly appreciated. Thank you java android class noclassdeffounderror unload..
How do I determine if Android can handle PDF http://stackoverflow.com/questions/2784847/how-do-i-determine-if-android-can-handle-pdf pdf startActivity intent I have tested this on various emulator and a rooted cyanogen phone as well as a HTC Magic. If no pdf renderer is available the list will return zero and nothing will happen. It seems to be important to set the..
Make Bluetooth on Android 2.1 discoverable indefinitely http://stackoverflow.com/questions/3190623/make-bluetooth-on-android-2-1-discoverable-indefinitely the phone is also rooted. I have a developer phone which means that the bootloader is unlocked. My phone is an HTC Magic 32B . The Big Question How can I make Bluetooth indefinitely discoverable on Android Thanks for your time and input. I feel..
missing table in SQLite with specific version of HTC DESIRE HD http://stackoverflow.com/questions/4662941/missing-table-in-sqlite-with-specific-version-of-htc-desire-hd my application the database is created and the tables too. This works fine with a lot of devices Nexus One Htc Magic SGS X10 and even Htc Desire HD v2.2 . My application works with all versions of Android tested on my device 1.6 2.2 2.2.1.. and even Htc Desire HD v2.2 . My application works with all versions of Android tested on my device 1.6 2.2 2.2.1 Htc Magic and on the emulator v1 5 until v2.3 . I have just a problem with HTC DESIRE HD v2.2.1 1.72.405.3. The logcat android.database.sqlite.SQLiteException..
Event OnClick for a button in a custom notification http://stackoverflow.com/questions/5479165/event-onclick-for-a-button-in-a-custom-notification . I have read in internet that this code doesn't work on all terminals. I have tried it on the emulator and on an HTC Magic but I have always the same problem I can't click the button My code is right someone can help me Thanks Simone android..
iOS / Android cross platform development [duplicate] http://stackoverflow.com/questions/6171128/ios-android-cross-platform-development the tool for you. You can also write 2D games using 3D assets a fine example of this is indie game Max and the Magic Marker a 2D physics based side scroller written in Unity. If you don't know it I recommend checking it out especially if..
What hardware devices do you test your Android apps on? http://stackoverflow.com/questions/7278559/what-hardware-devices-do-you-test-your-android-apps-on of instant gratification android share improve this question At this stage I'm just testing with two phones HTC Magic 3.5 touchscreen Samsung Galaxy S II 4.3 touchscreen There's a pretty big difference in the perceived density between these..
Dx bad class file magic (cafebabe) or version (0033.0000) with ADK14 http://stackoverflow.com/questions/7866723/dx-bad-class-file-magic-cafebabe-or-version-0033-0000-with-adk14 wouldn't seem to be the issue.And in fact the app is easily built in debug and installed on my old version 1.5 HTC Magic it is only when I need to export a signed application package that this breaks down. Edit This is on a Windows 7x64 PC...
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