在主活动中,我有这个方法,它将文件从assets
复制到databases
文件夹中:
try{
// CHECK IS EXISTS OR NOT
SQLiteDatabase dbe = SQLiteDatabase.openDatabase("/data/data/com.henanet.dalel/databases/mydb.sqlite",null, 0);
dbe.close();
// COPY IF NOT EXISTS
AssetManager am = getApplicationContext().getAssets();
OutputStream os = new FileOutputStream("/data/data/com.henanet.dalel/databases/mydb.sqlite");
byte[] b = new byte[100];
int r;
InputStream is = am.open("mydb.sqlite");
while ((r = is.read(b)) != -1) {
os.write(b, 0, r);
}
is.close();
os.close();
}
catch(Exception e)
{
}
但是一旦用户安装了应用程序,他会在LogCat中看到此错误:
09-14 22:57:25.694: I/Database(19903): sqlite returned: error code = 14, msg = cannot open file at source line 25467
09-14 22:57:25.694: E/Database(19903): sqlite3_open_v2("/data/data/com.henanet.dalel/databases/mydb.sqlite", &handle, 2, NULL) failed
android_metadata
和local
表。 - minhaz