android sqlite延迟
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我有这个代码,这是我发现的一个示例,即时消息是新的,并且仍在学习android,因此,我需要一些帮助以了解如何增加读取表的延迟
例如在此代码中,我插入2行,然后读取它们....我想做的是读取第一行并等待5秒钟,例如,然后读取第二行并等待5秒..... ?? ??
这是代码:
package net.learn2develop.Database;
import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.widget.Toast;
public class DatabaseActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
DBAdapter db = new DBAdapter(this);
//---add 2 titles---
db.open();
long id;
id = db.insertTitle(
\"0470285818\",
\"java ++ :)\",
\"someone\");
id = db.insertTitle(
\"047017661X\",
\"Professional Programming\",
\"someone2\");
db.close();
//---get all titles---
db.open();
Cursor c = db.getAllTitles();
if (c.moveToFirst())
{
do {
DisplayTitle(c);
} while (c.moveToNext());
}
db.close();
}
public void DisplayTitle(Cursor c)
{
Toast.makeText(this,
\"id: \" + c.getString(0) + \"\\n\" +
\"ISBN: \" + c.getString(1) + \"\\n\" +
\"TITLE: \" + c.getString(2) + \"\\n\" +
\"PUBLISHER: \" + c.getString(3),
Toast.LENGTH_LONG).show();
}
}
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