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当我试图创建/添加数据到我的SQLite数据库时，我得到了很多错误，但不知道为什么它看起来应该适合我。该代码是低吼，生病发布在下面的错误。感谢提前一百万的任何帮助。尝试创建/添加数据到SQLite数据库时出错
enter code here
public class MyActivity extends Activity
{
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//create an instance of the PlayerDatabase class and pass this context through parameters;
PlayerDatabase playerProfile = new PlayerDatabase(this);
try
{
//open the database;
playerProfile.open();
}//try;
catch (SQLException e)
{
//print description of the error;
e.printStackTrace();
}//catch;
//insert data into the table;
playerProfile.createInsert("Player", "Connor", "5", "1234");
//close the database;
playerProfile.close();
}//onCreate;
}//class;
public class PlayerDatabase
{
public static final String KEY_PLAYER = "Player";
public static final String KEY_NAME = "Name";
public static final String KEY_GUESSES = "NumberOfGuesses";
public static final String KEY_NUMBER= "NumberToGuess";
private static final String DATABASE_NAME = "PlayerData.db";
private static final String DATABASE_MARKSTABLE = "PlayerData";
private static final int DATABASE_VERSION = 1;
//create instance of DbHelper class called ourHelper;
private DbHelper ourHelper;
//create a context called ourContext;
private final Context ourContext;
//create an instance of SQLiteDatabase called ourDatabase to be the database;
private SQLiteDatabase ourDatabase;
//constructor to pass through context;
public PlayerDatabase(Context c)
{
ourContext = c;
}//constructor;
//open the database;
public PlayerDatabase open()throws SQLException
{
//finish creating the instance of the DbHelper class;
ourHelper = new DbHelper(ourContext);
//create database;
ourDatabase = ourHelper.getWritableDatabase();
return this;
}//open;
//close the database;
public void close()
{
ourHelper.close();
}//close;
//insert data into the database;
public long createInsert(String player, String name, String guesses,
String number)
{
// TODO Auto-generated method stub
ContentValues cv = new ContentValues();
cv.put(KEY_PLAYER, player);
cv.put(KEY_NAME, name);
cv.put(KEY_GUESSES, guesses);
cv.put(KEY_NUMBER, number);
return ourDatabase.insert(DATABASE_MARKSTABLE, null, cv);
} //createInsert;
//DbHelper class within PlayerDatabase class;
private static class DbHelper extends SQLiteOpenHelper
{
public DbHelper(Context context)
{
super(context, DATABASE_NAME, null, DATABASE_VERSION);
// TODO Auto-generated constructor stub
}//DbHelper constructor;
//when DbHelper is first created it will create this table;
@Override
public void onCreate(SQLiteDatabase db)
{
// TODO Auto-generated method stub
db.execSQL(" CREATE TABLE " + DATABASE_MARKSTABLE + " (" +
KEY_PLAYER + " TEXT PRIMARY KEY, " +
KEY_NAME + " TEXT NOT NULL, " +
KEY_GUESSES + " TEXT NOT NULL, " +
KEY_NUMBER + " TEXT NOT NULL);"
);
}//DbHelper onCreate;
//only used when database is upgraded;
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion)
{
// TODO Auto-generated method stub
db.execSQL("DROP TABLE IF EXISTS " + DATABASE_MARKSTABLE);
onCreate(db);
}//DbHelper onUpgrade;
} //class DbHelper;
}//class;
这是错误报告
12-27 13:15:43.549: ERROR/ActivityThread(6572): Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]ea8d8 that was originally bound here
android.app.ServiceConnectionLeaked: Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]ea8d8 that was originally bound here
at android.app.LoadedApk$ServiceDispatcher.<init>(LoadedApk.java:969)
at android.app.LoadedApk.getServiceDispatcher(LoadedApk.java:863)
at android.app.ContextImpl.bindService(ContextImpl.java:1418)
at android.app.ContextImpl.bindService(ContextImpl.java:1407)
at android.content.ContextWrapper.bindService(ContextWrapper.java:473)
at com.android.emailcommon.service.ServiceProxy.setTask(ServiceProxy.java:157)
at com.android.emailcommon.service.ServiceProxy.setTask(ServiceProxy.java:145)
at com.android.emailcommon.service.ServiceProxy.test(ServiceProxy.java:191)
at com.android.exchange.ExchangeService$7.run(ExchangeService.java:1850)
at com.android.emailcommon.utility.Utility$2.doInBackground(Utility.java:551)
at com.android.emailcommon.utility.Utility$2.doInBackground(Utility.java:549)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:856)
12-27 13:15:43.549: ERROR/StrictMode(6572): null
android.app.ServiceConnectionLeaked: Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]ea8d8 that was originally bound here
at android.app.LoadedApk$ServiceDispatcher.<init>(LoadedApk.java:969)
at android.app.LoadedApk.getServiceDispatcher(LoadedApk.java:863)
at android.app.ContextImpl.bindService(ContextImpl.java:1418)
at android.app.ContextImpl.bindService(ContextImpl.java:1407)
at android.content.ContextWrapper.bindService(ContextWrapper.java:473)
at com.android.emailcommon.service.ServiceProxy.setTask(ServiceProxy.java:157)
at com.android.emailcommon.service.ServiceProxy.setTask(ServiceProxy.java:145)
at com.android.emailcommon.service.ServiceProxy.test(ServiceProxy.java:191)
at com.android.exchange.ExchangeService$7.run(ExchangeService.java:1850)
at com.android.emailcommon.utility.Utility$2.doInBackground(Utility.java:551)
at com.android.emailcommon.utility.Utility$2.doInBackground(Utility.java:549)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:856)
12-27 13:15:43.739: ERROR/ActivityThread(6572): Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]d08b0 that was originally bound here
android.app.ServiceConnectionLeaked: Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]d08b0 that was originally bound here
at android.app.LoadedApk$ServiceDispatcher.<init>(LoadedApk.java:969)
at android.app.LoadedApk.getServiceDispatcher(LoadedApk.java:863)
at android.app.ContextImpl.bindService(ContextImpl.java:1418)
at android.app.ContextImpl.bindService(ContextImpl.java:1407)
at android.content.ContextWrapper.bindService(ContextWrapper.java:473)
at com.android.emailcommon.service.ServiceProxy.setTask(ServiceProxy.java:157)
at com.android.emailcommon.service.ServiceProxy.setTask(ServiceProxy.java:145)
at com.android.emailcommon.service.AccountServiceProxy.getDeviceId12-27 13:24:07.950: ERROR/StrictMode(6572): null
12-27 13:24:10.041: ERROR/ThrottleService(6245): problem during onPollAlarm: java.lang.IllegalStateException: problem parsing stats: java.io.FileNotFoundException: /proc/net/xt_qtaguid/iface_stat_all: open failed: ENOENT (No such file or directory)
ahh好的，谢谢你，这让我疯狂 –
@ user1985369只要我记得这个错误一直在电子邮件应用程序中：P你不是第一个被它弄糊涂的人 –