10Mb の空きメモリがあるのに、4Mb の割り当てで OutOfMemoryError が発生する理由がわかりませんでした。なんで?(アンドロイド 4.1.2)
ログファイル:
11-10 14:37:12.503: D/MyApp(1570): debug. =================================
11-10 14:37:12.503: D/MyApp(1570): debug.heap native: allocated 3.32MB of 16.61MB (0.35MB free)
11-10 14:37:12.503: D/MyApp(1570): debug.memory: allocated: 30.00MB of 32.00MB (8.00MB free)
11-10 14:37:12.524: D/dalvikvm(1570): GC_FOR_ALLOC freed 10K, 29% free 22176K/31111K, paused 16ms, total 16ms
11-10 14:37:12.524: I/dalvikvm-heap(1570): Forcing collection of SoftReferences for 4431036-byte allocation
11-10 14:37:12.533: D/dalvikvm(1570): GC_BEFORE_OOM freed <1K, 29% free 22176K/31111K, paused 11ms, total 11ms
11-10 14:37:12.533: E/dalvikvm-heap(1570): Out of memory on a 4431036-byte allocation.
11-10 14:37:12.533: I/dalvikvm(1570): "Thread-67" prio=5 tid=10 RUNNABLE
11-10 14:37:12.533: I/dalvikvm(1570): | group="main" sCount=0 dsCount=0 obj=0xb59cfd68 self=0xb8e22fd8
11-10 14:37:12.533: I/dalvikvm(1570): | sysTid=1587 nice=0 sched=0/0 cgrp=[fopen-error:2] handle=-1193135816
11-10 14:37:12.533: I/dalvikvm(1570): | schedstat=( 0 0 0 ) utm=245 stm=91 core=0
11-10 14:37:12.533: I/dalvikvm(1570): at android.graphics.Bitmap.nativeCreate(Native Method)
11-10 14:37:12.533: I/dalvikvm(1570): at android.graphics.Bitmap.createBitmap(Bitmap.java:640)
...
11-10 14:37:12.533: W/dalvikvm(1570): threadid=10: thread exiting with uncaught exception (group=0xb4ef4288)
11-10 14:37:12.543: E/AndroidRuntime(1570): FATAL EXCEPTION: Thread-67
11-10 14:37:12.543: E/AndroidRuntime(1570): java.lang.OutOfMemoryError
11-10 14:37:12.543: E/AndroidRuntime(1570): at android.graphics.Bitmap.nativeCreate(Native Method)
11-10 14:37:12.543: E/AndroidRuntime(1570): at android.graphics.Bitmap.createBitmap(Bitmap.java:640)
11-10 14:37:12.543: E/AndroidRuntime(1570): at android.graphics.Bitmap.createBitmap(Bitmap.java:620)