diff options
Diffstat (limited to 'core/java/android/os')
| -rw-r--r-- | core/java/android/os/FileUtils.java | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/core/java/android/os/FileUtils.java b/core/java/android/os/FileUtils.java index 15a154a..dc18dee 100644 --- a/core/java/android/os/FileUtils.java +++ b/core/java/android/os/FileUtils.java @@ -326,14 +326,15 @@ public class FileUtils { * * @param minCount Always keep at least this many files. * @param minAge Always keep files younger than this age. + * @return if any files were deleted. */ - public static void deleteOlderFiles(File dir, int minCount, long minAge) { + public static boolean deleteOlderFiles(File dir, int minCount, long minAge) { if (minCount < 0 || minAge < 0) { throw new IllegalArgumentException("Constraints must be positive or 0"); } final File[] files = dir.listFiles(); - if (files == null) return; + if (files == null) return false; // Sort with newest files first Arrays.sort(files, new Comparator<File>() { @@ -344,16 +345,20 @@ public class FileUtils { }); // Keep at least minCount files + boolean deleted = false; for (int i = minCount; i < files.length; i++) { final File file = files[i]; // Keep files newer than minAge final long age = System.currentTimeMillis() - file.lastModified(); if (age > minAge) { - Log.d(TAG, "Deleting old file " + file); - file.delete(); + if (file.delete()) { + Log.d(TAG, "Deleted old file " + file); + deleted = true; + } } } + return deleted; } /** |