안녕하세요... 이미지view app을 만들고 있는데...갤러리 같은거에요..

sd card에 있는 많은 이미지를 보다보면 out of memory가 발생하네요..ㅜㅜ

이미지 display할때 사용하는  함수는 아래와 같아요..
 private void displayImage() {
     Bitmap mCurrentSelectedImageFile1 = BitmapFactory.decodeFile(mCurrentSelectedFilePath);
mFullImageView.setScaleType(ScaleType.CENTER);
mFullImageView.setImageBitmap(mCurrentSelectedImageFile1);
}

Bitmap mCurrentSelectedImageFile1 여기서 문제가 생겨요..
어떻게 해야할까요?!!
또 android에서는 강제적으로 heap memory를 해제 하는것이 없나요?!!

에러 로그는 아래와 같아요..
07-30 11:06:38.944: ERROR/dalvikvm-heap(8755): 393216-byte external allocation too large for this process.
07-30 11:06:38.944: ERROR/(8755): VM won't let us allocate 393216 bytes
07-30 11:06:38.944: DEBUG/AndroidRuntime(8755): Shutting down VM
07-30 11:06:38.944: WARN/dalvikvm(8755): threadid=3: thread exiting with uncaught exception (group=0x4000fe70)
07-30 11:06:38.944: ERROR/AndroidRuntime(8755): Uncaught handler: thread main exiting due to uncaught exception
07-30 11:06:39.164: INFO/ActivityManager(77): Process android.process.media (pid 8301) has died.
07-30 11:06:39.224: ERROR/AndroidRuntime(8755): java.lang.OutOfMemoryError: bitmap size exceeds VM budget
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:375)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:171)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:196)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at PhotoAlbum.com.FullImagedisplay.displayImage(FullImagedisplay.java:127)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at PhotoAlbum.com.FullImagedisplay.moveToNextImage(FullImagedisplay.java:460)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at PhotoAlbum.com.FullImagedisplay.onClick(FullImagedisplay.java:369)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.View.performClick(View.java:2179)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.View.onTouchEvent(View.java:3828)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.View.dispatchTouchEvent(View.java:3368)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:863)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1707)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1197)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.app.Activity.dispatchTouchEvent(Activity.java:1993)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at PhotoAlbum.com.FullImagedisplay.dispatchTouchEvent(FullImagedisplay.java:244)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1691)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1525)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.os.Looper.loop(Looper.java:123)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at android.app.ActivityThread.main(ActivityThread.java:3948)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at java.lang.reflect.Method.invokeNative(Native Method)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at java.lang.reflect.Method.invoke(Method.java:521)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
07-30 11:06:39.224: ERROR/AndroidRuntime(8755):     at dalvik.system.NativeStart.main(Native Method)



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