Android Open Source - SimpleReader File Cache Manager

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Back to project page SimpleReader.

License

The source code is released under:

Apache License

Java Source Code

package com.dreamteam.app.img;
/*from w w  w.j  av a2 s  .  c  o m*/
import java.io.File;

import com.litesuits.android.log.Log;

import android.content.Context;
import android.os.Environment;

public class FileCacheManager {
  public static String getChcheDir(Context context) {
    String result = null;
    if(hasSDCard()) {
      result = context.getExternalCacheDir().getAbsolutePath() + "/img";
      new File(result).mkdirs();
    }else {
      result = context.getCacheDir().getAbsolutePath() + "/img";
    }
    return result;
  }
  
  private static boolean hasSDCard() {
    String status = Environment.getExternalStorageState();
    if (!status.equals(Environment.MEDIA_MOUNTED)) {
      return false;
    } 
    return true;
  }
  
  public static boolean deleteDirectory(String filePath) {
    if (null == filePath) {
      Log.e("FileCacheManager", "the parameter filePath is null, cancel delete");
      return false;
    }

    File file = new File(filePath);

    if (file == null || !file.exists()) {
      Log.e("FileCacheManager", "the parameter filePath is not a file or dir, cancel delete");
      return false;
    }

    if (file.isDirectory()) {
      File[] list = file.listFiles();

      for (int i = 0; i < list.length; i++) {
        if (list[i].isDirectory()) {
          deleteDirectory(list[i].getAbsolutePath());
        } else {
          list[i].delete();
        }
      }
    }

    file.delete();
    return true;
  }
}

Java Source Code List

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