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2014/10/16 ¤W¤È 08:12:14
android Programming Glossary: decodingCaused by: java.lang.OutOfMemoryError: bitmap size exceeds VM budget http://stackoverflow.com/questions/10314527/caused-by-java-lang-outofmemoryerror-bitmap-size-exceeds-vm-budget a complete method. First it reads image size without decoding the content itself. Then it finds the best inSampleSize value..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo through the steps creating a segment for each one and decoding any polylines found as we go to add to the route object's map..
Android 4.2 broke my encrypt/decrypt code and the provided solutions don't work http://stackoverflow.com/questions/13433529/android-4-2-broke-my-encrypt-decrypt-code-and-the-provided-solutions-dont-work SHA1PRNG doesn't work for me because when decoding data encrypted in Android 4.2 in Android 4.2 I get javax.crypto.BadPaddingException..
Out of Memory error with Bitmap http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap from the docs The BitmapFactory class provides several decoding methods decodeByteArray decodeFile decodeResource etc. for creating.. method has additional signatures that let you specify decoding options via the BitmapFactory.Options class. Setting the inJustDecodeBounds.. Setting the inJustDecodeBounds property to true while decoding avoids memory allocation returning null for the bitmap object..
JNI bitmap operations , for helping to avoid OOM when using large images [closed] http://stackoverflow.com/questions/18250951/jni-bitmap-operations-for-helping-to-avoid-oom-when-using-large-images should be enough . use different bitmap formats do the decoding within JNI to avoid creation of the java bitmap and not use..
Getting frames from Video Image in Android http://stackoverflow.com/questions/1893072/getting-frames-from-video-image-in-android we ended up doing is using the onPreviewFrame method and decoding the data in a seperate Thread using a method which can be found..
Opening a File from assets folder in android http://stackoverflow.com/questions/1933015/opening-a-file-from-assets-folder-in-android image is very big then you should scale your image before decoding it into Bitmap. See How to display large image efficiently ..
Encryption compatable between Android and C# http://stackoverflow.com/questions/2090765/encryption-compatable-between-android-and-c-sharp found an example for encoding AES in Android and encoding decoding AES in C# but am not sure if these are compatible C# requires..
http://stackoverflow.com/questions/2220949/handling-large-bitmaps option. This at least avoids any OOM errors while decoding the file. Reference 1. Handling larger Bitmaps 2. How do I get..
BitmapFactory.decodeStream returning null when options are set http://stackoverflow.com/questions/2503628/bitmapfactory-decodestream-returning-null-when-options-are-set Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false Bitmap img BitmapFactory.decodeStream.. Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false is.close is getHTTPConnectionInputStream..
Android: Bitmap recycle() how does it work? http://stackoverflow.com/questions/3823799/android-bitmap-recycle-how-does-it-work to free memory ASAP you should call recycle just before decoding the second bitmap. If you want to load really big image you..
How to encrypt and decrypt file in Android? http://stackoverflow.com/questions/4275311/how-to-encrypt-and-decrypt-file-in-android IV. Always specify the character encoding when encoding decoding strings or you'll be in trouble when the platform encoding differs..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 to 1.45 Recently upgraded from BC 1.34 to 1.45. I'm decoding some previously encoded data with the following SecretKeySpec..
Create a NinePatch/NinePatchDrawable in runtime http://stackoverflow.com/questions/5079868/create-a-ninepatch-ninepatchdrawable-in-runtime to find any examples of this. To make things worse all decoding of a NinePatch resources seem to be done natively ... Have anyone..
How can I manipulate the camera preview? http://stackoverflow.com/questions/6478375/how-can-i-manipulate-the-camera-preview array into an RGB format themselves. Seems like doing the decoding manually has been kinda slow and people have had various degrees..
Map View draw directions using google Directions API - decoding polylines http://stackoverflow.com/questions/6708408/map-view-draw-directions-using-google-directions-api-decoding-polylines View draw directions using google Directions API decoding polylines I'm trying to use the Google directions API to show..
Converting YUV->RGB(Image processing)->YUV during onPreviewFrame in android? http://stackoverflow.com/questions/9325861/converting-yuv-rgbimage-processing-yuv-during-onpreviewframe-in-android to Yuv data. I have used both function for encoding and decoding Yuv data to RGB as following public void onPreviewFrame byte.. y U index u V index v The problem is that encoding and decoding Yuv data might have some mistake because if i skip the preprocessing..
Decoding Video using FFMpeg for android http://stackoverflow.com/questions/11322952/decoding-video-using-ffmpeg-for-android Video using FFMpeg for android I tried to decode video using.. mylib 1010 initiated 07 04 10 58 39.011 I System.out 1010 Decoding Video 07 04 10 58 39.011 I System.out 1010 passing video sdcard..
Google Maps API Version difference http://stackoverflow.com/questions/11323500/google-maps-api-version-difference Polyline returns from the Google Maps Directions API v3 Decoding polylines from google maps direction api with java Encoding..
Receive audio via Bluetooth in Android http://stackoverflow.com/questions/15557933/receive-audio-via-bluetooth-in-android in a format called SBC Low Complexity Subband Coding . Decoding SBC is not very difficult you can find a decoder right here..
Decoding bitmaps in Android with the right size http://stackoverflow.com/questions/2641726/decoding-bitmaps-in-android-with-the-right-size bitmaps in Android with the right size I decode bitmaps from..
Decoding qr code from image stored on the phone with Zxing (on Android phone) http://stackoverflow.com/questions/3422651/decoding-qr-code-from-image-stored-on-the-phone-with-zxing-on-android-phone qr code from image stored on the phone with Zxing on Android..
Decoding audio via Android using FFMpeg http://stackoverflow.com/questions/6228008/decoding-audio-via-android-using-ffmpeg audio via Android using FFMpeg I can play Wav files using the..
Caused by: java.lang.OutOfMemoryError: bitmap size exceeds VM budget http://stackoverflow.com/questions/10314527/caused-by-java-lang-outofmemoryerror-bitmap-size-exceeds-vm-budget This inSampleSize option reduces memory consumption. Here's a complete method. First it reads image size without decoding the content itself. Then it finds the best inSampleSize value it should be a power of 2. And finally the image is decoded...
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo jsonRoute.getJSONArray warnings .getString 0 Loop through the steps creating a segment for each one and decoding any polylines found as we go to add to the route object's map array. Using an explicit for loop because it is faster ..
Android 4.2 broke my encrypt/decrypt code and the provided solutions don't work http://stackoverflow.com/questions/13433529/android-4-2-broke-my-encrypt-decrypt-code-and-the-provided-solutions-dont-work sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG doesn't work for me because when decoding data encrypted in Android 4.2 in Android 4.2 I get javax.crypto.BadPaddingException pad block corrupted at com.android.org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher.engineDoFinal..
Out of Memory error with Bitmap http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap f null o2 catch FileNotFoundException e return null Quoting from the docs The BitmapFactory class provides several decoding methods decodeByteArray decodeFile decodeResource etc. for creating a Bitmap from various sources. Choose the most appropriate.. easily result in an OutOfMemory exception. Each type of decode method has additional signatures that let you specify decoding options via the BitmapFactory.Options class. Setting the inJustDecodeBounds property to true while decoding avoids memory.. specify decoding options via the BitmapFactory.Options class. Setting the inJustDecodeBounds property to true while decoding avoids memory allocation returning null for the bitmap object but setting outWidth outHeight and outMimeType. This technique..
JNI bitmap operations , for helping to avoid OOM when using large images [closed] http://stackoverflow.com/questions/18250951/jni-bitmap-operations-for-helping-to-avoid-oom-when-using-large-images algorithm to use nearest neighbour and bilinear interpolation should be enough . use different bitmap formats do the decoding within JNI to avoid creation of the java bitmap and not use the heap on the java world from the beginning only at the end..
Getting frames from Video Image in Android http://stackoverflow.com/questions/1893072/getting-frames-from-video-image-in-android java android camera share improve this question Ok what we ended up doing is using the onPreviewFrame method and decoding the data in a seperate Thread using a method which can be found in the android help group. decodeYUV argb8888 data camSize.width..
Opening a File from assets folder in android http://stackoverflow.com/questions/1933015/opening-a-file-from-assets-folder-in-android
Encryption compatable between Android and C# http://stackoverflow.com/questions/2090765/encryption-compatable-between-android-and-c-sharp from Android and eventually wind up being decrypted in C#. I found an example for encoding AES in Android and encoding decoding AES in C# but am not sure if these are compatible C# requires an IV nothing is specified for this in the Android example..
http://stackoverflow.com/questions/2220949/handling-large-bitmaps
BitmapFactory.decodeStream returning null when options are set http://stackoverflow.com/questions/2503628/bitmapfactory-decodestream-returning-null-when-options-are-set TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false Bitmap img BitmapFactory.decodeStream is null options java android image bitmap share.. TARGET_WIDTH options.inSampleSize int Math.pow 2d Math.floor Math.log sampleSize Math.log 2d Do the actual decoding options.inJustDecodeBounds false is.close is getHTTPConnectionInputStream sUrl Bitmap img BitmapFactory.decodeStream is..
Android: Bitmap recycle() how does it work? http://stackoverflow.com/questions/3823799/android-bitmap-recycle-how-does-it-work one. GC will do it later whenever it decides. If you want to free memory ASAP you should call recycle just before decoding the second bitmap. If you want to load really big image you should resample it. Here's an example http stackoverflow.com..
How to encrypt and decrypt file in Android? http://stackoverflow.com/questions/4275311/how-to-encrypt-and-decrypt-file-in-android based key derivation . For multiple files use an secure random IV. Always specify the character encoding when encoding decoding strings or you'll be in trouble when the platform encoding differs from the previous one. In other words don't use String.getBytes..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 AES error when upgrading to 1.45 Recently upgraded from BC 1.34 to 1.45. I'm decoding some previously encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance..
Create a NinePatch/NinePatchDrawable in runtime http://stackoverflow.com/questions/5079868/create-a-ninepatch-ninepatchdrawable-in-runtime through the Android source code and the Web and I can't seem to find any examples of this. To make things worse all decoding of a NinePatch resources seem to be done natively ... Have anyone had any experiences with this kind of problem Any help..
How can I manipulate the camera preview? http://stackoverflow.com/questions/6478375/how-can-i-manipulate-the-camera-preview is on that. So people have been trying to decode the byte array into an RGB format themselves. Seems like doing the decoding manually has been kinda slow and people have had various degrees of success with it. Something like this should probably..
Map View draw directions using google Directions API - decoding polylines http://stackoverflow.com/questions/6708408/map-view-draw-directions-using-google-directions-api-decoding-polylines View draw directions using google Directions API decoding polylines I'm trying to use the Google directions API to show directions on my mapview but I am having difficulties getting..
Converting YUV->RGB(Image processing)->YUV during onPreviewFrame in android? http://stackoverflow.com/questions/9325861/converting-yuv-rgbimage-processing-yuv-during-onpreviewframe-in-android Yuv preview data to RGB data than image preprocessing and back to Yuv data. I have used both function for encoding and decoding Yuv data to RGB as following public void onPreviewFrame byte data Camera camera Point cameraResolution configManager.getCameraResolution.. g 18 b 128 8 128 clip y yuv420sp index byte y 0 0 y 255 255 y U index u V index v The problem is that encoding and decoding Yuv data might have some mistake because if i skip the preprocessing step than also encoded Yuv data are differ from original..
Decoding Video using FFMpeg for android http://stackoverflow.com/questions/11322952/decoding-video-using-ffmpeg-for-android Video using FFMpeg for android I tried to decode video using FFMpeg library from the sample examples available on internet.. I System.out 1010 Creating Engine 07 04 10 58 39.011 I mylib 1010 initiated 07 04 10 58 39.011 I System.out 1010 Decoding Video 07 04 10 58 39.011 I System.out 1010 passing video sdcard NativeMedia.ts 07 04 10 58 39.101 W dalvikvm 231 disableGcForExternalAlloc..
Google Maps API Version difference http://stackoverflow.com/questions/11323500/google-maps-api-version-difference v3 Please Refer these three links to more clear with encoded Polyline returns from the Google Maps Directions API v3 Decoding polylines from google maps direction api with java Encoding polylines for Google Maps The encoding algorithm for the levels..
Receive audio via Bluetooth in Android http://stackoverflow.com/questions/15557933/receive-audio-via-bluetooth-in-android encoded audio content instead. The data are generally encoded in a format called SBC Low Complexity Subband Coding . Decoding SBC is not very difficult you can find a decoder right here . The ultimate step would be to forward the PCM audio to your..
Decoding bitmaps in Android with the right size http://stackoverflow.com/questions/2641726/decoding-bitmaps-in-android-with-the-right-size bitmaps in Android with the right size I decode bitmaps from the SD card using BitmapFactory.decodeFile . Sometimes the..
Decoding qr code from image stored on the phone with Zxing (on Android phone) http://stackoverflow.com/questions/3422651/decoding-qr-code-from-image-stored-on-the-phone-with-zxing-on-android-phone qr code from image stored on the phone with Zxing on Android phone I have an app that receives qr code from the server...
Decoding audio via Android using FFMpeg http://stackoverflow.com/questions/6228008/decoding-audio-via-android-using-ffmpeg audio via Android using FFMpeg I can play Wav files using the below code without issues. When trying to play the exact..
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