[B! OOM] justoneplanetã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

justoneplanet id:justoneplanet

OOMã«é–¢ã™ã‚‹justoneplanetã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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ImageViewã¨Bitmap#recycleè¦šæ›¸ - hidecheckã®æ—¥è¨˜
é–‹ç™ºã—ã¦ã‚‹ã¨Activityã«Bit mapã‚’æŒãŸã›ãŸã„ã“ã¨ã£ã¦ã‚ˆãã‚ã‚‹ ã§ã‚‚ãƒ¡ãƒ³ãƒã§æŒã£ã¦ã‚‹ã¨è‡ªå‰ã§è§£æ”¾ã—ãªãã¦ã¯ãªã‚‰ãªã„ã€‚ Bit mapã®ãƒ¡ãƒ¢ãƒªç®¡ç†ã¯ãƒã‚¤ãƒ†ã‚£ãƒ–å´ã§ç®¡ç†ã•ã‚Œã¦ã‚‹ã®ã§æ˜Žç¤ºçš„ã«é–‹æ”¾ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã€‚ ãƒžã‚¸ã§ï¼Ÿã£ã¦æ€ã£ãŸã®ã§å®Ÿé¨“ã—ã¦ã¿ãŸ å®Ÿé¨“å†…å®¹ ä»¥ä¸‹ã®ãƒ‘ã‚¿ãƒ¼ãƒ³ã§Bit mapActivityãŒã©ã®ã‚ˆã†ã«å¤‰åŒ–ã™ã‚‹ã‹ã‚’ç¢ºèª å®Ÿé¨“1 ImageViewã‚’æŒãŸãªã„Activity å®Ÿé¨“2 ãƒ¬ã‚¤ã‚¢ã‚¦ãƒˆã§ImageViewã‚’æŒã£ãŸActivity å®Ÿé¨“3 ãƒ¬ã‚¤ã‚¢ã‚¦ãƒˆã§ImageViewã‚’æŒã¡ã€ãƒ¡ãƒ³ãƒå¤‰æ•°ã§ã‚‚ImageViewã‚’ã‚‚ã¤Activity å®Ÿé¨“4 ImageViewã‚’æŒã¡ã€ãƒ¡ãƒ³ãƒå¤‰æ•°ã§Bit mapã‚’ã‚‚ã¤Activity å®Ÿé¨“5 Bit map#recycleã®æ£ã—ã„ä½¿ã„æ–¹ ä½¿ã†ã‚¢ãƒ—ãƒª ã“ã‚“ãªæ„Ÿã˜ã®ã‚¢ãƒ—ãƒª å®Ÿé¨“2ã€œ4 MainActivity>Bit mapActivity>ï¼ˆæˆ»ã‚‹ã‚ãƒ¼ã§ï¼‰
justoneplanet 2011/12/09
bitmap

imageview

android

recycle

OOM

Out Of Memory
ãƒªãƒ³ã‚¯
Changing ImageView content causes OutOfMemoryError
I have a very simple application with one ImageView and a Button. The first Drawable resource loaded by my ImageView is specified with the "android:src" tag in the XML Layout, however at runtime i want to change the picture displayed by it. To do so i start an Activity for result to pick an image from the sd card (intent sent to MediaStore.Images.Media.EXTERNAL_CONTENT_URI). However when the pictu
justoneplanet 2011/12/09
bitmap

imageview

android

recycle

OOM

Out Of Memory
ãƒªãƒ³ã‚¯
å‰å›žã®å®Ÿé¨“ã®ç¶šã - hidecheckã®æ—¥è¨˜
å‰å›žã®ã‚³ãƒ¡ãƒ³ãƒˆã§ImageView#setImageDrawable(null)ã™ã‚Œã°bit map#recycleã¯ä¸è¦ã¨ã„ã†æŒ‡æ‘˜ã‚’é ‚ã„ãŸã®ã§å®Ÿé¨“ å®Ÿé¨“6 recycleã—ãªã„ å®Ÿé¨“6-2 å®Ÿé¨“6ã®çŠ¶æ…‹ã§ç”»é¢ã®å‘ãã‚’å¤‰æ›´ å®Ÿé¨“7 å®Ÿé¨“5ã®çŠ¶æ…‹ã§ç”»é¢ã®å‘ãã‚’å¤‰æ›´ å®Ÿé¨“8 å®Ÿé¨“5ã®çŠ¶æ…‹ã§ãƒ¢ãƒ³ã‚ãƒ¼ãƒãƒƒã‚¯ãªã“ã¨ã‚’äººåŠ›ã§ æ‰‹é † MainActivityï¼žBit mapActivityï¼žMainActivityï¼žBit mapActivityï¼žGCï¼žjhat ã‚½ãƒ¼ã‚¹ã‚’ä»¥ä¸‹ã®ã‚ˆã†ã«å¤‰æ›´ public class Bit mapActivity extends Activity { private ImageView image; private Bit map bit map; @Override public void onCreate(Bundle savedInstanceState) { super.on
justoneplanet 2011/12/09
bitmap

imageview

android

recycle

OOM

Out Of Memory
ãƒªãƒ³ã‚¯
OutOfMemoryã‚’é˜²ãæ–¹æ³•ã‚’æ•™ãˆã¦ä¸‹ã•ã„ã€‚
justoneplanet 2011/12/06
android

OOM

Out Of Memory

memory
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Memory Analysis for Android Applications
[This post is by Patrick Dubroy, an Android engineer who writes about programming, usability, and interaction on his personal blog.Â â€”Â TimÂ Bray] The Dalvik runtime may be garbage-collected, but that doesn't mean you can ignore memory management. You should be especially mindful of memory usage on mobile devices, where memory is more constrained. In this article, we're going to take a look at some o
justoneplanet 2011/12/06
android

OOM

Out Of Memory

memory

analysis
ãƒªãƒ³ã‚¯
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