/* * wen a The name : DataCleanManager.java * tracing above : The main function is to clear inside / External cache, clear database, clear sharedPreference To remove files And clear custom directories */
import java.io.File;
import android.content.Context;
import android.os.Environment;
/** * This application data clear manager */
public class DataCleanManager {
/** * Clear the application internal cache (/data/data/com.xxx.xxx/cache) * * @param context */
public static void cleanInternalCache(Context context) {
deleteFilesByDirectory(context.getCacheDir());
}
/** * Clear all databases for this application (/data/data/com.xxx.xxx/databases) * * @param context */
public static void cleanDatabases(Context context) {
deleteFilesByDirectory(new File("/data/data/"
+ context.getPackageName() + "/databases"));
}
/**
* * Clear this application SharedPreference(/data/data/com.xxx.xxx/shared_prefs) * * @param
* context
*/
public static void cleanSharedPreference(Context context) {
deleteFilesByDirectory(new File("/data/data/"
+ context.getPackageName() + "/shared_prefs"));
}
/** * Clear this application database by name * * @param context * @param dbName */
public static void cleanDatabaseByName(Context context, String dbName) {
context.deleteDatabase(dbName);
}
/** * remove /data/data/com.xxx.xxx/files The content of the * * @param context */
public static void cleanFiles(Context context) {
deleteFilesByDirectory(context.getFilesDir());
}
/**
* * Removal of the external cache The content of the (/mnt/sdcard/android/data/com.xxx.xxx/cache) * * @param
* context
*/
public static void cleanExternalCache(Context context) {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
deleteFilesByDirectory(context.getExternalCacheDir());
}
}
/** * Clear the file under the custom path, use care, please do not delete by mistake. And only files in the directory can be deleted * * @param filePath */
public static void cleanCustomCache(String filePath) {
deleteFilesByDirectory(new File(filePath));
}
/** * Clear all data for this application * * @param context * @param filepath */
public static void cleanApplicationData(Context context, String... filepath) {
cleanInternalCache(context);
cleanExternalCache(context);
cleanDatabases(context);
cleanSharedPreference(context);
cleanFiles(context);
for (String filePath : filepath) {
cleanCustomCache(filePath);
}
}
/** * Delete methods Only files in a folder will be deleted if passed in directory It is a file and will not be processed * * @param directory */
private static void deleteFilesByDirectory(File directory) {
if (directory != null && directory.exists() && directory.isDirectory()) {
for (File item : directory.listFiles()) {
item.delete();
}
}
}
}