我有这个应用程序,我从服务器下载不同的表并将它们存储在 SQLITE 中。来自服务器的数据是查询列表,格式为“INSERT INTO XYZ(A,B,C) VALUES (X,Y,Z)”。以下是 am 中用于下载和存储表格的函数:
fun synchronizeWithServer(phone: String, tableName: String , dialogue : LoadingDialog) {
val activity = context as Activity
val url =
"http://OrderingSystem.svc/SyncDev?phid=$phone&table=$tableName"
val client = OkHttpClient()
val request = okhttp3.Request.Builder().url(url).build()
client.newCall(request).enqueue(object : Callback {
override fun onFailure(call: Call, e: IOException) {
Toast.makeText(context, e.toString(), Toast.LENGTH_SHORT).show()
}
override fun onResponse(call: Call, response: Response) {
if (response.isSuccessful) {
val listServer = ArrayList<String>()
val jsonData = response.body?.string()
val jasonArray = JSONArray(jsonData)
for (k in 0 until jasonArray.length()) {
listServer.add(jasonArray[k].toString())
}
activity.runOnUiThread {
when (tableName) {
"customer" -> {
val db = DbHelper(context)
for (item in listServer) {
db.addServerData(item)
}
db.close()
listServer.clear()
}
"items" -> {
val db = UtilityDB(context)
for (item in listServer) {
db.addServerData(item)
}
db.close()
listServer.clear()
}
"rates" -> {
val db = UtilityDB(context)
for (item in listServer) {
db.addServerData(item)
}
db.close()
listServer.clear()
}
"ledger" -> {
val db = Ledgers(context)
for (item in listServer ) {
db.addServerData(item)
}
db.close()
listServer.clear()
dialogue.stopLoading()
}
}
}
}
}
})
}
来自服务器的一些表非常大,就像分类帐表一样,当我尝试将其保存到 SQLITE 中时,我的应用程序被卡住了,然后一段时间后它崩溃了。如何将大数据存储到 SQLITE 中?任何帮助,将不胜感激。