CacheUtils.java

package com.zhan_dui.utils;

import android.content.Context;

import java.io.File;

/**
 * Created by daimajia on 14-4-12.
 */
public class CacheUtils {
    public static void deleteCache(Context context) {
        try {
            File dir = context.getCacheDir();
            if (dir != null && dir.isDirectory()) {
                deleteDir(dir);
            }
        } catch (Exception e) {}
    }

    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();
    }
}