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if (databaseHelper == null) {
// if (sysDatabaseHelper != null) {
// OpenHelperManager.releaseHelper();
// sysDatabaseHelper = null;
// OpenHelperManager.setOpenHelperClass(null);
// OpenHelperManager.setHelper(null);
// }
databaseHelper = OpenHelperManager.getHelper(this,
DatabaseHelper.class);
}
return databaseHelper;
}
public DatabaseHelper_sys getSysHelper() {
if (sysDatabaseHelper == null) {
// if (databaseHelper != null) {
// OpenHelperManager.releaseHelper();
// databaseHelper = null;
// OpenHelperManager.setOpenHelperClass(null);
// OpenHelperManager.setHelper(null);
// }
// sysDatabaseHelper = OpenHelperManager.getHelper(this,
// DatabaseHelper_sys.class);
sysDatabaseHelper = new DatabaseHelper_sys(this);
}
return sysDatabaseHelper;
}@Override
protected void onDestroy() {
super.onDestroy();
/*
* 释放资源
*/
if (databaseHelper != null) {
OpenHelperManager.releaseHelper();
databaseHelper = null;
}
if (sysDatabaseHelper != null) {
// OpenHelperManager.releaseHelper();
sysDatabaseHelper.close();
sysDatabaseHelper = null;
}
}