Clear application data

gistfile1.java

	public void clearApplicationData() {
		File cache = getCacheDir();
		File appDir = new File(cache.getParent());
		if (appDir.exists()) {
			String[] children = appDir.list();
			for (String s : children) {
				if (!s.equals("lib")) {
					deleteDir(new File(appDir, s));
				}
			}
		}
	}

	public static boolean deleteDir(File dir) {
		if (dir != null && dir.isDirectory()) {
			String[] children = dir.list();
			for (int i = 0; i < children.length; i++) {
				boolean success = deleteDir(new File(dir, children[i]));
				if (!success) {
					return false;
				}
			}
		}

		return dir.delete();
	}