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2014/10/16 ¤W¤È 08:27:39
android Programming Glossary: wiseremove line between custom option menu items http://stackoverflow.com/questions/10573948/remove-line-between-custom-option-menu-items key pressed. if this method act it will return true other wise return false as meaning no action occured. public boolean processKey..
Android Canvas Redo and Undo Operation http://stackoverflow.com/questions/11114625/android-canvas-redo-and-undo-operation Undo Operation i am working in drawing project.my code wise working perfectly but canvas redo and undo operation not working..
How to justify text on a TextView made easy- Android http://stackoverflow.com/questions/11922861/how-to-justify-text-on-a-textview-made-easy-android inconvenience is that I assume it as a bigger toll memory wise but nothing to worry about if it's just one or two correct me..
What does “|=” mean? (pipe equal operator) http://stackoverflow.com/questions/14295469/what-does-mean-pipe-equal-operator Notification.DEFAULT_SOUND where is the bit wise OR operator. All operators are referenced here . A bit wise.. OR operator. All operators are referenced here . A bit wise operator is used because as is frequent those constants enable.. 4 is the same than 1 2 or 100 in binary So you can use bit wise OR to add flags int myFlags DEFAULT_SOUND DEFAULT_VIBRATE makes..
Rotating a bitmap using JNI & NDK http://stackoverflow.com/questions/14398670/rotating-a-bitmap-using-jni-ndk ruins it completely. The rotation should be counter clock wise 90 degrees. Example screenshot is zoomed in of what I get So.. JniTest rotates a bitmap by 90 degrees counter clockwise . br notes br the input bitmap will be recycled and shouldn't.. the code rotates the image 90 degrees counter clock wise. Of course you can change it depending on your needs. better..
Service being re-Created by AlarmManager http://stackoverflow.com/questions/15435117/service-being-re-created-by-alarmmanager If the application is based around a service it may be wise to make a copy of classes coming in so that they don't get cleared..
how to save image taken from camera and show it to listview - crashes with “IllegalStateException” http://stackoverflow.com/questions/15954896/how-to-save-image-taken-from-camera-and-show-it-to-listview-crashes-with-ille so the column value is imageblob imageblol BLOB syntax wise it is not a correct sql statement. so just remove the imageblob..
How to cache bitmaps into native memory http://stackoverflow.com/questions/17900732/how-to-cache-bitmaps-into-native-memory could take time to store and restore so it might be wise to do it on a background thread. This is not a full OOM solution.. to change the code to your own package if you need otherwise things won't work. MainActivity.java how to use package com.example.jnibitmapstoragetest..
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 i only added rotation of 90 degrees counter clock wise . android bitmap android ndk jni out of memory share improve.. rotates the inner bitmap data by 90 degress counter clock wise JNIEXPORT void JNICALL Java_com_jni_bitmap_1operations_JniBitmapHolder_jniRotateBitmapCcw90..
How to create directory automatically on SD card http://stackoverflow.com/questions/2130932/how-to-create-directory-automatically-on-sd-card fos new FileOutputStream outputFile Note It might be wise to use Environment.getExternalStorageDirectory for getting the..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object easily row by row where I can resize on the fly bit wise This would be preferable as I also need to make some changes..
Why is the paradigm of “Direct Database Connection” not welcomed by Android Platform? http://stackoverflow.com/questions/4826242/why-is-the-paradigm-of-direct-database-connection-not-welcomed-by-android-plat different device platforms android iphone etc.. than its wise to have all business logic on server. Instead of calling JDBC..
http://stackoverflow.com/questions/4842112/when-to-close-db-connection-on-android-every-time-after-your-operation-finished is a risk for concurrency or blocking issues it might be wise to close the database after finished reading writing from to..
http://stackoverflow.com/questions/5389613/rotate-image-in-android in android I want rotate image in both the ways Clockwise as well as Anti clock wise. I had try but not rotate image both.. image in both the ways Clockwise as well as Anti clock wise. I had try but not rotate image both the way so plz give me..
Memory Analyzer Tool in android? http://stackoverflow.com/questions/6080906/memory-analyzer-tool-in-android leaks for a particular project. Can someone give me step wise procedure for this. android memory leaks share improve this..
When a Fragment is replaced and put in the back stack (or removed) does it stay in memory? http://stackoverflow.com/questions/8482606/when-a-fragment-is-replaced-and-put-in-the-back-stack-or-removed-does-it-stay have looked for a clear explanation of what happens memory wise with Fragments and haven't found anything. Does it work the..
remove line between custom option menu items http://stackoverflow.com/questions/10573948/remove-line-between-custom-option-menu-items open close menu if menu key pressed and close menu when back key pressed. if this method act it will return true other wise return false as meaning no action occured. public boolean processKey int keycode KeyEvent e if _canReceiveKey return false..
Android Canvas Redo and Undo Operation http://stackoverflow.com/questions/11114625/android-canvas-redo-and-undo-operation Canvas Redo and Undo Operation i am working in drawing project.my code wise working perfectly but canvas redo and undo operation not working perfectly.undo operation not working perfect and redo operations..
How to justify text on a TextView made easy- Android http://stackoverflow.com/questions/11922861/how-to-justify-text-on-a-textview-made-easy-android projects and haven't run into any issues. The only minor inconvenience is that I assume it as a bigger toll memory wise but nothing to worry about if it's just one or two correct me if I'm wrong . The result is the following And the code for..
What does “|=” mean? (pipe equal operator) http://stackoverflow.com/questions/14295469/what-does-mean-pipe-equal-operator is the same as notification.defaults notification.defaults Notification.DEFAULT_SOUND where is the bit wise OR operator. All operators are referenced here . A bit wise operator is used because as is frequent those constants enable.. Notification.DEFAULT_SOUND where is the bit wise OR operator. All operators are referenced here . A bit wise operator is used because as is frequent those constants enable an int to carry flags. If you look at those constants you'll.. 1 1 or 10 in binary public static final int DEFAULT_LIGHTS 4 is the same than 1 2 or 100 in binary So you can use bit wise OR to add flags int myFlags DEFAULT_SOUND DEFAULT_VIBRATE makes 001 100 which is 101 so myFlags DEFAULT_LIGHTS simply means..
Rotating a bitmap using JNI & NDK http://stackoverflow.com/questions/14398670/rotating-a-bitmap-using-jni-ndk output image is not a rotation of the original. In fact it ruins it completely. The rotation should be counter clock wise 90 degrees. Example screenshot is zoomed in of what I get So as you can see not only the colors became weirder but the size.. tempPixels return newBitmap java file static System.loadLibrary JniTest rotates a bitmap by 90 degrees counter clockwise . br notes br the input bitmap will be recycled and shouldn't be used anymore br returns the rotated bitmap . br could take.. which is ARGB input bitmap will be recycled during the process. the code rotates the image 90 degrees counter clock wise. Of course you can change it depending on your needs. better solution i've made a nice post having this functionality and..
Service being re-Created by AlarmManager http://stackoverflow.com/questions/15435117/service-being-re-created-by-alarmmanager Activity Service Thread AsyncTask etc that is no longer around. If the application is based around a service it may be wise to make a copy of classes coming in so that they don't get cleared up later. A neater way to start a service than is often..
how to save image taken from camera and show it to listview - crashes with “IllegalStateException” http://stackoverflow.com/questions/15954896/how-to-save-image-taken-from-camera-and-show-it-to-listview-crashes-with-ille imageblob BLOB you are mentioned that KEY_IMAGE imageblob BLOB so the column value is imageblob imageblol BLOB syntax wise it is not a correct sql statement. so just remove the imageblob from there and try that it may be solve your problem......
How to cache bitmaps into native memory http://stackoverflow.com/questions/17900732/how-to-cache-bitmaps-into-native-memory you wish just don't forget to change the code... Large bitmaps could take time to store and restore so it might be wise to do it on a background thread. This is not a full OOM solution but it could help. for example you could use it in conjunction.. include it in the code since it's quite obvious. do remember to change the code to your own package if you need otherwise things won't work. MainActivity.java how to use package com.example.jnibitmapstoragetest ... public class MainActivity extends..
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 rotation in any angle or at least the obvious ones . currently i only added rotation of 90 degrees counter clock wise . android bitmap android ndk jni out of memory share improve this question NOTE this is a bit old code. for the most.. newWidth jniBitmap _bitmapInfo.height newHeight rotates the inner bitmap data by 90 degress counter clock wise JNIEXPORT void JNICALL Java_com_jni_bitmap_1operations_JniBitmapHolder_jniRotateBitmapCcw90 JNIEnv env jobject obj jobject..
How to create directory automatically on SD card http://stackoverflow.com/questions/2130932/how-to-create-directory-automatically-on-sd-card file object instead of a String representation FileOutputStream fos new FileOutputStream outputFile Note It might be wise to use Environment.getExternalStorageDirectory for getting the SD Card directory as this might change if a phone comes along..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object the 2nd activity. Is there a way I can build the list adapter easily row by row where I can resize on the fly bit wise This would be preferable as I also need to make some changes to the properties of the widgets elements in each row as I..
Why is the paradigm of “Direct Database Connection” not welcomed by Android Platform? http://stackoverflow.com/questions/4826242/why-is-the-paradigm-of-direct-database-connection-not-welcomed-by-android-plat almost everywhere. Business logic separation If you support different device platforms android iphone etc.. than its wise to have all business logic on server. Instead of calling JDBC and then performing business logic on device you should do..
http://stackoverflow.com/questions/4842112/when-to-close-db-connection-on-android-every-time-after-your-operation-finished any other applications accessing the same database If there is a risk for concurrency or blocking issues it might be wise to close the database after finished reading writing from to it. Generally I would say that you might gain more in caching..
http://stackoverflow.com/questions/5389613/rotate-image-in-android image in android I want rotate image in both the ways Clockwise as well as Anti clock wise. I had try but not rotate image both the way so plz give me solution for my problem if you know.... image in android I want rotate image in both the ways Clockwise as well as Anti clock wise. I had try but not rotate image both the way so plz give me solution for my problem if you know.. Thanks in Advance...................
Memory Analyzer Tool in android? http://stackoverflow.com/questions/6080906/memory-analyzer-tool-in-android android. Please tell me how to do this to know about memory leaks for a particular project. Can someone give me step wise procedure for this. android memory leaks share improve this question Open DDMS perspective in Eclipse. Select Devices..
When a Fragment is replaced and put in the back stack (or removed) does it stay in memory? http://stackoverflow.com/questions/8482606/when-a-fragment-is-replaced-and-put-in-the-back-stack-or-removed-does-it-stay into memory as if it never left in the first place. I have looked for a clear explanation of what happens memory wise with Fragments and haven't found anything. Does it work the same way For example Activity C has Fragment F in its layout...
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