Log when /cache files are deleted.

import android.content.pm.IPackageManager;

import android.os.Binder;

import android.os.Environment;

import android.os.FileObserver;

import android.os.Handler;

import android.os.Message;

import android.os.Process;

    private Intent mStorageFullIntent;

    private Intent mStorageNotFullIntent;

    private CachePackageDataObserver mClearCacheObserver;

    private final CacheFileDeletedObserver mCacheFileDeletedObserver;

    private static final int _TRUE = 1;

    private static final int _FALSE = 0;

    private long mMemLowThreshold;

        mMemLowThreshold = getMemThreshold();

        mMemFullThreshold = getMemFullThreshold();

        checkMemory(true);

        mCacheFileDeletedObserver = new CacheFileDeletedObserver();

        mCacheFileDeletedObserver.startWatching();

    }

    public boolean isMemoryLow() {

        return mLowMemFlag;

    }

    public static class CacheFileDeletedObserver extends FileObserver {

        public CacheFileDeletedObserver() {

            super(Environment.getDownloadCacheDirectory().getAbsolutePath(), FileObserver.DELETE);

        }

        @Override

        public void onEvent(int event, String path) {

            EventLogTags.writeCacheFileDeleted(path);

        }

    }

}

# ---------------------------

# DeviceStorageMonitoryService.java

# DeviceStorageMonitorService.java

# ---------------------------

# The disk space free on the /data partition, in bytes

2744 free_storage_changed (data|2|2)

2745 low_storage (data|2|2)

# disk space free on the /data, /system, and /cache partitions in bytes

2746 free_storage_left (data|2|2),(system|2|2),(cache|2|2)

# file on cache partition was deleted

2748 cache_file_deleted (path|3)

# ---------------------------