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2014/10/16 ¤W¤È 08:10:36
android Programming Glossary: bitmapfactoryAndroid Understanding Heap Sizes http://stackoverflow.com/questions/10677850/android-understanding-heap-sizes images at runtime with calls to inSampleSize using the BitmapFactory class. This can help reduce the amount of memory required to..
setRotation(90) to take picture in portrait mode does not work on samsung devices http://stackoverflow.com/questions/11023696/setrotation90-to-take-picture-in-portrait-mode-does-not-work-on-samsung-device pixels. As ariefbayu suggested reading the Bitmap using BitmapFactory does not support this tag. His code sample is the solution and.. to the Exif tag. This is what I did Bitmap realImage BitmapFactory.decodeStream stream ExifInterface exif new ExifInterface getRealPathFromURI..
OutofMemoryError: bitmap size exceeds VM budget (Android) http://stackoverflow.com/questions/1586685/outofmemoryerror-bitmap-size-exceeds-vm-budget-android exceeds VM budget Android Getting an Exception in the BitmapFactory. Not sure what is the issue. Well I can guess the issue but.. VM budget ERROR AndroidRuntime 7906 at android.graphics.BitmapFactory.decodeFile BitmapFactory.java 295 My code is pretty straight.. 7906 at android.graphics.BitmapFactory.decodeFile BitmapFactory.java 295 My code is pretty straight forward. I defined an XML..
Out of Memory error with Bitmap http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap Drawable folder. backgoundImage Bitmap.createScaledBitmap BitmapFactory.decodeResource getResources R.drawable.backgroundhomepage int.. assets.open drawable filename .png Bitmap bitmap BitmapFactory.decodeStream buffer return bitmap Scenario 2 Using the Bitmap.. File f int WIDTH int HIGHT try Decode image size BitmapFactory.Options o new BitmapFactory.Options o.inJustDecodeBounds true..
Getting frames from Video Image in Android http://stackoverflow.com/questions/1893072/getting-frames-from-video-image-in-android frame as a byte array and tried to decode it with the BitmapFactory class but it returns null. The format of the frame is a headerless..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts OOM driving me nuts I've been doing a lot of searching and.. people are experiencing the same OOM memory problems with BitmapFactory . My app only shows a total memory available of 4MB using Runtime.getRuntime.. the only way around this is to somehow avoid using BitmapFactory . Anyone have any ideas on this or an explanation as to why..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why texture from the Android resource directory Bitmap bitmap BitmapFactory.decodeResource context.getResources reasource_id sBitmapOptions.. Edit I just tried supplying a BitmapOptions to the BitmapFactory.decodeResource call but this doesn't seem to fix the issue despite.. updated the call above with how I am now calling the BitmapFactory still the same results as below sBitmapOptions.inPreferredConfig..
http://stackoverflow.com/questions/2220949/handling-large-bitmaps getting OutOfMemoryExceptions sporadically when I am using BitmapFactory.decodeStream InputStream method. So I chose to downsample the.. method. So I chose to downsample the images using BitmapFactory Options sample size 2 . This gave a better output no OOMs but.. share improve this question There is an option in BitmapFactory.Options class one I overlooked named inJustDecodeBounds javadoc..
Bitmap byte-size after decoding? http://stackoverflow.com/questions/2407565/bitmap-byte-size-after-decoding calculate the byte size of a bitmap after decoding with BitmapFactory I need to know how much memory space it occupies because I'm..
Android: high quality image resizing / scaling http://stackoverflow.com/questions/4207562/android-high-quality-image-resizing-scaling API and has severe artifacting I've also tried using the BitmapFactory and as I said earlier it has two problems no way to scale to.. import android.graphics.Bitmap import android.graphics.BitmapFactory import android.graphics.Matrix import android.os.Bundle import.. setContentView R.layout.main Bitmap original BitmapFactory.decodeResource getResources R.drawable.a000001570402 Bitmap..
Displaying images from a specific folder on the SDCard using a gridview http://stackoverflow.com/questions/5039779/displaying-images-from-a-specific-folder-on-the-sdcard-using-a-gridview folder I want to display images form or C Suggested using BitmapFactory which I haven't the slightest clue how to use. If I'm going..
Create a NinePatch/NinePatchDrawable in runtime http://stackoverflow.com/questions/5079868/create-a-ninepatch-ninepatchdrawable-in-runtime like this InputStream stream .. whatever Bitmap bitmap BitmapFactory.decodeStream stream byte chunk bitmap.getNinePatchChunk boolean.. the one you send to your clients. Also I don't know if BitmapFactory.decodeStream knows about the npTc chunk in these png files so.. The existence of Bitmap.getNinePatchChunk suggests that BitmapFactory might you could go look it up in the upstream codebase. In the..
How to load BufferedImage in android? http://stackoverflow.com/questions/5311163/how-to-load-bufferedimage-in-android SDK Could you achieve the same thing with Bitmap and BitmapFactory like so... Bitmap tgtImg BitmapFactory.decodeFile ImageD2.jpg.. with Bitmap and BitmapFactory like so... Bitmap tgtImg BitmapFactory.decodeFile ImageD2.jpg if tgtImg is not null after this then..
Android: Display Image from SD CARD http://stackoverflow.com/questions/6725718/android-display-image-from-sd-card share improve this question I would rather use a BitmapFactory to decode the Image from the file path Bitmap bitmap BitmapFactory.decodeFile.. to decode the Image from the file path Bitmap bitmap BitmapFactory.decodeFile imageFile.getAbsolutePath jpgView.setImageDrawable..
What does Bitmap#recycle() in Android Honeycomb actually DO? http://stackoverflow.com/questions/7852943/what-does-bitmaprecycle-in-android-honeycomb-actually-do
Android Understanding Heap Sizes http://stackoverflow.com/questions/10677850/android-understanding-heap-sizes usage. One thing you might consider is to sample your bitmap images at runtime with calls to inSampleSize using the BitmapFactory class. This can help reduce the amount of memory required to load your drawable bitmaps. Either that or you could reduce..
setRotation(90) to take picture in portrait mode does not work on samsung devices http://stackoverflow.com/questions/11023696/setrotation90-to-take-picture-in-portrait-mode-does-not-work-on-samsung-device set the EXIF orientation tag rather than rotating individual pixels. As ariefbayu suggested reading the Bitmap using BitmapFactory does not support this tag. His code sample is the solution and this solution is also compatible with using inSampleSize.. share improve this question I try to answer this in relation to the Exif tag. This is what I did Bitmap realImage BitmapFactory.decodeStream stream ExifInterface exif new ExifInterface getRealPathFromURI imagePath Log.d EXIF value exif.getAttribute..
OutofMemoryError: bitmap size exceeds VM budget (Android) http://stackoverflow.com/questions/1586685/outofmemoryerror-bitmap-size-exceeds-vm-budget-android bitmap size exceeds VM budget Android Getting an Exception in the BitmapFactory. Not sure what is the issue. Well I can guess the issue but not sure why its happening ERROR AndroidRuntime 7906 java.lang.OutOfMemoryError.. 7906 java.lang.OutOfMemoryError bitmap size exceeds VM budget ERROR AndroidRuntime 7906 at android.graphics.BitmapFactory.decodeFile BitmapFactory.java 295 My code is pretty straight forward. I defined an XML layout w a default image. I try to.. bitmap size exceeds VM budget ERROR AndroidRuntime 7906 at android.graphics.BitmapFactory.decodeFile BitmapFactory.java 295 My code is pretty straight forward. I defined an XML layout w a default image. I try to load a bm on the SDCard..
Out of Memory error with Bitmap http://stackoverflow.com/questions/16765899/out-of-memory-error-with-bitmap resolve this kind of issue. Scenario 1 Using the Bitmap from Drawable folder. backgoundImage Bitmap.createScaledBitmap BitmapFactory.decodeResource getResources R.drawable.backgroundhomepage int dWidth int dHeight true 1. To get the image from.. .getAssets InputStream buffer new BufferedInputStream assets.open drawable filename .png Bitmap bitmap BitmapFactory.decodeStream buffer return bitmap Scenario 2 Using the Bitmap from Assets folder backgoundImage Bitmap.createScaledBitmap.. leaks.html avoiding memory leaks public static Bitmap decodeFile File f int WIDTH int HIGHT try Decode image size BitmapFactory.Options o new BitmapFactory.Options o.inJustDecodeBounds true BitmapFactory.decodeStream new FileInputStream f null o The..
Getting frames from Video Image in Android http://stackoverflow.com/questions/1893072/getting-frames-from-video-image-in-android using the onPreviewFrame method with which you get the current frame as a byte array and tried to decode it with the BitmapFactory class but it returns null. The format of the frame is a headerless YUV which could be translated to bitmap but it takes..
BitmapFactory OOM driving me nuts http://stackoverflow.com/questions/1955410/bitmapfactory-oom-driving-me-nuts OOM driving me nuts I've been doing a lot of searching and I know a lot of other people are experiencing the same OOM memory.. I've been doing a lot of searching and I know a lot of other people are experiencing the same OOM memory problems with BitmapFactory . My app only shows a total memory available of 4MB using Runtime.getRuntime .totalMemory . If the limit is 16MB then why.. Hero for device testing Android 1.5 . At this point I'm thinking the only way around this is to somehow avoid using BitmapFactory . Anyone have any ideas on this or an explanation as to why VM won't allocate 614KB when there's 1.6MB of free memory android..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why gl Context context int reasource_id int texture_id Get the texture from the Android resource directory Bitmap bitmap BitmapFactory.decodeResource context.getResources reasource_id sBitmapOptions Generate one texture pointer... gl.glGenTextures 1 textures.. gl.glBlendFunc GL10.GL_SRC_ALPHA GL10.GL_ONE_MINUS_SRC_ALPHA Edit I just tried supplying a BitmapOptions to the BitmapFactory.decodeResource call but this doesn't seem to fix the issue despite manually setting the same preferredconfig density and.. with the exact same code on it Edit3 Here are my BitmapOptions updated the call above with how I am now calling the BitmapFactory still the same results as below sBitmapOptions.inPreferredConfig Bitmap.Config.RGB_565 sBitmapOptions.inDensity 160 sBitmapOptions.inTargetDensity..
http://stackoverflow.com/questions/2220949/handling-large-bitmaps about the size of the bitmaps. And as it turns out I am getting OutOfMemoryExceptions sporadically when I am using BitmapFactory.decodeStream InputStream method. So I chose to downsample the images using BitmapFactory Options sample size 2 . This gave.. sporadically when I am using BitmapFactory.decodeStream InputStream method. So I chose to downsample the images using BitmapFactory Options sample size 2 . This gave a better output no OOMs but this affects the quality of smaller images. How should I handle.. only high resolution images android performance bitmaps share improve this question There is an option in BitmapFactory.Options class one I overlooked named inJustDecodeBounds javadoc of which reads If set to true the decoder will return null..
Bitmap byte-size after decoding? http://stackoverflow.com/questions/2407565/bitmap-byte-size-after-decoding byte size after decoding How can I determine calculate the byte size of a bitmap after decoding with BitmapFactory I need to know how much memory space it occupies because I'm doing memory caching management in my app. file size is not..
Android: high quality image resizing / scaling http://stackoverflow.com/questions/4207562/android-high-quality-image-resizing-scaling It is nice and crisp. The bottom image is resized with API and has severe artifacting I've also tried using the BitmapFactory and as I said earlier it has two problems no way to scale to exact size and the scaled image is blurry. Any ideas on how.. Thanks S.O. package qp.test import android.app.Activity import android.graphics.Bitmap import android.graphics.BitmapFactory import android.graphics.Matrix import android.os.Bundle import android.widget.ImageView public class imgview extends Activity.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main Bitmap original BitmapFactory.decodeResource getResources R.drawable.a000001570402 Bitmap resized getResizedBitmap original 130 Bitmap resized getResizedBitmap2..
Displaying images from a specific folder on the SDCard using a gridview http://stackoverflow.com/questions/5039779/displaying-images-from-a-specific-folder-on-the-sdcard-using-a-gridview the MediaStore but not specifying how to set the path to the folder I want to display images form or C Suggested using BitmapFactory which I haven't the slightest clue how to use. If I'm going about this in the wrong way please let me know and direct me..
Create a NinePatch/NinePatchDrawable in runtime http://stackoverflow.com/questions/5079868/create-a-ninepatch-ninepatchdrawable-in-runtime business you're listening to DJ kanzure . Client code something like this InputStream stream .. whatever Bitmap bitmap BitmapFactory.decodeStream stream byte chunk bitmap.getNinePatchChunk boolean result NinePatch.isNinePatchChunk chunk NinePatchDrawable.. format unzip the .apk file then find the .9.png file and that's the one you send to your clients. Also I don't know if BitmapFactory.decodeStream knows about the npTc chunk in these png files so it may or may not be treating the image stream correctly... so it may or may not be treating the image stream correctly. The existence of Bitmap.getNinePatchChunk suggests that BitmapFactory might you could go look it up in the upstream codebase. In the event that it does not know about the npTc chunk and your..
How to load BufferedImage in android? http://stackoverflow.com/questions/5311163/how-to-load-bufferedimage-in-android share improve this question ImageIO is not supported in Android SDK Could you achieve the same thing with Bitmap and BitmapFactory like so... Bitmap tgtImg BitmapFactory.decodeFile ImageD2.jpg if tgtImg is not null after this then it was successful. ..
Android: Display Image from SD CARD http://stackoverflow.com/questions/6725718/android-display-image-from-sd-card very much for any help. android android sdcard android imageview share improve this question I would rather use a BitmapFactory to decode the Image from the file path Bitmap bitmap BitmapFactory.decodeFile imageFile.getAbsolutePath jpgView.setImageDrawable.. share improve this question I would rather use a BitmapFactory to decode the Image from the file path Bitmap bitmap BitmapFactory.decodeFile imageFile.getAbsolutePath jpgView.setImageDrawable bitmap The Docs say If the specified file name is null or..
What does Bitmap#recycle() in Android Honeycomb actually DO? http://stackoverflow.com/questions/7852943/what-does-bitmaprecycle-in-android-honeycomb-actually-do
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