启动Android App时，动态将Sqlite数据库文件导入到手机中类方法

package com.aqioo.db;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import com.aqioo.R;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;

//在res文件夹下新建 raw 文件夹
//数据库文件放在 \res\raw\test.db
//在调用Sqlite的操作前实例化此类即可
//code by:博客园-曹永思
public class ImportDbFileToPhone {
//        /data/data/名称空间(com.aqioo)/databases
private static final String DATABASE_PATH = "/data/data/com.aqioo/databases";

private static final int DATABASE_VERSION = 0;

private static final String DATABASE_NAME = "test.db";//数据库

private static String outFileName = DATABASE_PATH + "/" + DATABASE_NAME;

private Context context;

private SQLiteDatabase database;

public ImportDbFileToPhone(Context context) {
this.context = context;

File file = new File(outFileName);
if (file.exists()) {
database = SQLiteDatabase.openOrCreateDatabase(outFileName, null);
if (database.getVersion() != DATABASE_VERSION) {
database.close();
file.delete();
}
}
try {
buildDatabase();
} catch (Exception e) {
e.printStackTrace();
}

}

private void buildDatabase() throws Exception {
InputStream myInput = context.getResources().openRawResource(
R.raw.aqiooapp);
File file = new File(outFileName);

File dir = new File(DATABASE_PATH);
if (!dir.exists()) {
if (!dir.mkdir()) {
throw new Exception("创建失败");
}
}

if (!file.exists()) {
try {
OutputStream myOutput = new FileOutputStream(outFileName);

byte[] buffer = new byte[1024];
int length;
while ((length = myInput.read(buffer)) > 0) {
myOutput.write(buffer, 0, length);
}
myOutput.close();
myInput.close();
} catch (Exception e) {
e.printStackTrace();
}

}
}

}