Android 从未对数据库显式调用close（）。谁能帮帮我吗
这是我在打开监护人视图时遇到的错误，我已经打开了数据库，但当我退出活动并尝试添加新联系人时，我出现了此错误，我尝试通过多种方式关闭数据库，但根本不起作用Android 从未对数据库显式调用close（）。谁能帮帮我吗,android,database,Android,Database,这是我在打开监护人视图时遇到的错误，我已经打开了数据库，但当我退出活动并尝试添加新联系人时，我出现了此错误，我尝试通过多种方式关闭数据库，但根本不起作用 03-27 12:09:05.705: E/Database(14728): close() was never explicitly called on database '/data/data/com.project.smartcare/databases/Guardiandb' 03-27 12:09:05.705: E/Databas
03-27 12:09:05.705: E/Database(14728): close() was never explicitly called on database '/data/data/com.project.smartcare/databases/Guardiandb'
03-27 12:09:05.705: E/Database(14728): android.database.sqlite.DatabaseObjectNotClosedException: Application did not close the cursor or database object that was opened here
03-27 12:09:05.705: E/Database(14728): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1855)
03-27 12:09:05.705: E/Database(14728): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:824)
03-27 12:09:05.705: E/Database(14728): at com.project.smartcare.Database$DbHelper.openDatabase(Database.java:98)
03-27 12:09:05.705: E/Database(14728): at com.project.smartcare.SqlView.onStart(SqlView.java:41)
03-27 12:09:05.705: E/Database(14728): at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1129)
03-27 12:09:05.705: E/Database(14728): at android.app.Activity.performStart(Activity.java:3791)
03-27 12:09:05.705: E/Database(14728): at android.app.Activity.performRestart(Activity.java:3821)
03-27 12:09:05.705: E/Database(14728): at android.app.Activity.performResume(Activity.java:3826)
03-27 12:09:05.705: E/Database(14728): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2131)
03-27 12:09:05.705: E/Database(14728): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2156)
03-27 12:09:05.705: E/Database(14728): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:969)
03-27 12:09:05.705: E/Database(14728): at android.os.Handler.dispatchMessage(Handler.java:99)
03-27 12:09:05.705: E/Database(14728): at android.os.Looper.loop(Looper.java:130)
03-27 12:09:05.705: E/Database(14728): at android.app.ActivityThread.main(ActivityThread.java:3701)
03-27 12:09:05.705: E/Database(14728): at java.lang.reflect.Method.invokeNative(Native Method)
03-27 12:09:05.705: E/Database(14728): at java.lang.reflect.Method.invoke(Method.java:507)
03-27 12:09:05.705: E/Database(14728): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
03-27 12:09:05.705: E/Database(14728): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)
03-27 12:09:05.705: E/Database(14728): at dalvik.system.NativeStart.main(Native Method)
03-27 12:09:05.715: E/Database(14728): close() was never explicitly called on database '/data/data/com.project.smartcare/databases/Guardiandb'
03-27 12:09:05.715: E/Database(14728): android.database.sqlite.DatabaseObjectNotClosedException: Application did not close the cursor or database object that was opened here
03-27 12:09:05.715: E/Database(14728): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1855)
03-27 12:09:05.715: E/Database(14728): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:824)
03-27 12:09:05.715: E/Database(14728): at com.project.smartcare.Database$DbHelper.openDatabase(Database.java:98)
03-27 12:09:05.715: E/Database(14728): at com.project.smartcare.SqlView.onRestart(SqlView.java:67)
03-27 12:09:05.715: E/Database(14728): at android.app.Instrumentation.callActivityOnRestart(Instrumentation.java:1139)
03-27 12:09:05.715: E/Database(14728): at android.app.Activity.performRestart(Activity.java:3815)
03-27 12:09:05.715: E/Database(14728): at android.app.Activity.performResume(Activity.java:3826)
03-27 12:09:05.715: E/Database(14728): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2131)
03-27 12:09:05.715: E/Database(14728): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2156)
03-27 12:09:05.715: E/Database(14728): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:969)
03-27 12:09:05.715: E/Database(14728): at android.os.Handler.dispatchMessage(Handler.java:99)
03-27 12:09:05.715: E/Database(14728): at android.os.Looper.loop(Looper.java:130)
03-27 12:09:05.715: E/Database(14728): at android.app.ActivityThread.main(ActivityThread.java:3701)
03-27 12:09:05.715: E/Database(14728): at java.lang.reflect.Method.invokeNative(Native Method)
03-27 12:09:05.715: E/Database(14728): at java.lang.reflect.Method.invoke(Method.java:507)
03-27 12:09:05.715: E/Database(14728): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
03-27 12:09:05.715: E/Database(14728): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)
03-27 12:09:05.715: E/Database(14728): at dalvik.system.NativeStart.main(Native Method)
03-27 12:09:05.735: E/Database(14728): close() was never explicitly called on database '/data/data/com.project.smartcare/databases/Guardiandb'
03-27 12:09:05.735: E/Database(14728): android.database.sqlite.DatabaseObjectNotClosedException: Application did not close the cursor or database object that was opened here
03-27 12:09:05.735: E/Database(14728): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1855)
03-27 12:09:05.735: E/Database(14728): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:824)
03-27 12:09:05.735: E/Database(14728): at com.project.smartcare.Database$DbHelper.openDatabase(Database.java:98)
03-27 12:09:05.735: E/Database(14728): at com.project.smartcare.SqlView.onResume(SqlView.java:84)
03-27 12:09:05.735: E/Database(14728): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1150)
03-27 12:09:05.735: E/Database(14728): at android.app.Activity.performResume(Activity.java:3832)
03-27 12:09:05.735: E/Database(14728): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2131)
03-27 12:09:05.735: E/Database(14728): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2156)
03-27 12:09:05.735: E/Database(14728): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:969)
03-27 12:09:05.735: E/Database(14728): at android.os.Handler.dispatchMessage(Handler.java:99)
03-27 12:09:05.735: E/Database(14728): at android.os.Looper.loop(Looper.java:130)
03-27 12:09:05.735: E/Database(14728): at android.app.ActivityThread.main(ActivityThread.java:3701)
03-27 12:09:05.735: E/Database(14728): at java.lang.reflect.Method.invokeNative(Native Method)
03-27 12:09:05.735: E/Database(14728): at java.lang.reflect.Method.invoke(Method.java:507)
03-27 12:09:05.735: E/Database(14728): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
03-27 12:09:05.735: E/Database(14728): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)
03-27 12:09:05.735: E/Database(14728): at dalvik.system.NativeStart.main(Native Method)
03-27 12:09:05.745: E/Database(14728): close() was never explicitly called on database '/data/data/com.project.smartcare/databases/Guardiandb'
03-27 12:09:05.745: E/Database(14728): android.database.sqlite.DatabaseObjectNotClosedException: Application did not close the cursor or database object that was opened here
03-27 12:09:05.745: E/Database(14728): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1855)
03-27 12:09:05.745: E/Database(14728): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:824)
03-27 12:09:05.745: E/Database(14728): at com.project.smartcare.Database$DbHelper.openDatabase(Database.java:98)
03-27 12:09:05.745: E/Database(14728): at com.project.smartcare.SqlView.onStart(SqlView.java:41)
03-27 12:09:05.745: E/Database(14728): at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1129)
03-27 12:09:05.745: E/Database(14728): at android.app.Activity.performStart(Activity.java:3791)
03-27 12:09:05.745: E/Database(14728): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1632)
03-27 12:09:05.745: E/Database(14728): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675)
03-27 12:09:05.745: E/Database(14728): at android.app.ActivityThread.access$1500(ActivityThread.java:121)
03-27 12:09:05.745: E/Database(14728): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943)
03-27 12:09:05.745: E/Database(14728): at android.os.Handler.dispatchMessage(Handler.java:99)
03-27 12:09:05.745: E/Database(14728): at android.os.Looper.loop(Looper.java:130)
03-27 12:09:05.745: E/Database(14728): at android.app.ActivityThread.main(ActivityThread.java:3701)
03-27 12:09:05.745: E/Database(14728): at java.lang.reflect.Method.invokeNative(Native Method)
03-27 12:09:05.745: E/Database(14728): at java.lang.reflect.Method.invoke(Method.java:507)
03-27 12:09:05.745: E/Database(14728): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
03-27 12:09:05.745: E/Database(14728): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)
03-27 12:09:05.745: E/Database(14728): at dalvik.system.NativeStart.main(Native Method)
This is the acticity where the logcat point outs to.`enter code here`
public class SqlView extends Activity {
public DbHelper dbGuardians = null;
private Cursor ourCursor = null;
private GuardiansAdapter adapter = null;
ListView myListView;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.sqlview);
myListView = (ListView) findViewById(R.id.myList);
System.out.println("3adda onCreate");
}
@Override
protected void onStart() {
// TODO Auto-generated method stub
super.onStart();
dbGuardians = new DbHelper(this);
dbGuardians.createDatabase();
dbGuardians.openDatabase();
ourCursor = dbGuardians.getCursor();
startManagingCursor(ourCursor);
adapter = new GuardiansAdapter(ourCursor);
myListView.setAdapter(adapter);
myListView.setOnItemClickListener(OnListClick);
System.out.println("3adda on Start");
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
ourCursor.close();
dbGuardians.close();
dbGuardians.closeDatabase();
System.out.println("3adda on Stop");
super.onStop();
}
@Override
protected void onRestart() {
// TODO Auto-generated method stub
super.onRestart();
dbGuardians.openDatabase();
ourCursor = dbGuardians.getCursor();
startManagingCursor(ourCursor);
System.out.println("3adda on Restart");
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
ourCursor.close();
dbGuardians.close();
dbGuardians.closeDatabase();
super.onPause();
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
dbGuardians.openDatabase();
ourCursor = dbGuardians.getCursor();
startManagingCursor(ourCursor);
System.out.println("3adda on Resume");
}
private AdapterView.OnItemClickListener OnListClick = new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
try {
String[] informationReceived = new String[5];
dbGuardians.openDatabase();
informationReceived = dbGuardians.searchEntry(String
.valueOf(id));
String firstName = informationReceived[0];
String lastName = informationReceived[1];
String number = informationReceived[2];
String email = informationReceived[3];
String status = informationReceived[4];
Bundle bundle = new Bundle();
bundle.putString("First Name", firstName);
bundle.putString("Last Name", lastName);
bundle.putString("Phone", number);
bundle.putString("Email", email);
if (status.equalsIgnoreCase("0")) {
bundle.putString("Status", "Passive");
} else {
bundle.putString("Status", "Active");
}
Intent i = new Intent(SqlView.this, GuardianView.class);
i.putExtras(bundle);
startActivity(i);
} catch (Exception e) {
System.out.println(e.toString() + "SqlView Exception ;)");
}finally{
ourCursor.close();
dbGuardians.closeDatabase();
dbGuardians.close();
}
}
};
class GuardiansAdapter extends CursorAdapter {
public GuardiansAdapter(Cursor c) {
super(SqlView.this, c);
}
public void bindView(View row, Context ctxt, Cursor c) {
GuardiansHolder holder = (GuardiansHolder) row.getTag();
holder.populateFrom(c, dbGuardians);
}
@Override
public View newView(Context ctxt, Cursor c, ViewGroup parent) {
LayoutInflater inflater = getLayoutInflater();
View row = inflater.inflate(R.layout.row, parent, false);
GuardiansHolder holder = new GuardiansHolder(row);
row.setTag(holder);
return (row);
}
}
static class GuardiansHolder {
private TextView name = null;
GuardiansHolder(View row) {
name = (TextView) row.findViewById(R.id.myText);
}
void populateFrom(Cursor cursor, DbHelper guardians) {
name.setText(guardians.getName(cursor));
}
}
}
and that's my Database Activity where the database is created.
public class Database {
public static final String Key_RowId = "_id";
public static final String guardianFirstName = "FirstName";
public static final String guardianLastName = "LastName";
public static final String status = "GuardianStatus";
public static final String phone_number = "PhoneNumber";
public static final String guardian_email = "GuardianEmail";
private static final String databaseName = "Guardiandb";
public static String databaseTableOne = "Guardians";
private static final int databaseVersion = 1;
private static final String DATABASE_PATH = "/data/data/com.project.smartcare/databases/";
public DbHelper ourHelper;
private final Context ourContext;
public SQLiteDatabase ourDatabase;
public static class DbHelper extends SQLiteOpenHelper {
private final Context ourContextOne;
public SQLiteDatabase ourDatabaseOne;
public DbHelper(Context context) {
super(context, databaseName, null, databaseVersion);
// TODO Auto-generated constructor stub
this.ourContextOne = context;
}
public void createDatabase() {
boolean dbExist = DBExists();
if (!dbExist) {
this.getWritableDatabase();
copyDBFromResource();
}
}
private boolean DBExists() {
SQLiteDatabase db = null;
try {
String databasePath = DATABASE_PATH + databaseName;
db = SQLiteDatabase.openDatabase(databasePath, null,
SQLiteDatabase.OPEN_READWRITE);
db.setLocale(Locale.getDefault());
db.setLockingEnabled(true);
db.setVersion(1);
} catch (SQLiteException e) {
Log.e("SQL helper", "Database not found");
}
if (db != null) {
db.close();
}
return db != null ? true : false;
}
private void copyDBFromResource() {
InputStream inputStream = null;
OutputStream outputStream = null;
String dbFilePath = DATABASE_PATH + databaseName;
try {
inputStream = ourContextOne.getAssets().open(databaseName);
outputStream = new FileOutputStream(dbFilePath);
byte[] buffer = new byte[1024];
int length;
while ((length = inputStream.read(buffer)) > 0) {
outputStream.write(buffer, 0, length);
}
outputStream.flush();
outputStream.close();
inputStream.close();
} catch (IOException e) {
throw new Error("Problem copying form database");
}
}
public void openDatabase() throws SQLException {
String myPath = DATABASE_PATH + databaseName;
ourDatabaseOne = SQLiteDatabase.openDatabase(myPath, null,
SQLiteDatabase.OPEN_READWRITE);
}
public Cursor getCursor() {
SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
queryBuilder.setTables(databaseTableOne);
String[] asColumnsToReturn = new String[] { Key_RowId,
guardianFirstName, guardianLastName, phone_number,
guardian_email, status };
Cursor mCursor = queryBuilder.query(ourDatabaseOne,
asColumnsToReturn, null, null, null, null, null);
return mCursor;
}
public ArrayList<String> getPhoneNo(Cursor c) {
ArrayList<String> a;
a = new ArrayList<String>();
c = getCursor();
String phone = null;
while (c.moveToNext()) {
phone = c.getString(c.getColumnIndex(phone_number));
a.add(phone);
System.out.println(phone);
}
System.out.println("3adeeet mn el get phone num");
return a;
}
public synchronized void closeDatabase() {
if (ourDatabaseOne != null) {
ourDatabaseOne.close();
}
super.close();
}
public String getName(Cursor c) {
return (c.getString(1) + " " + c.getString(2));
}
public Cursor getCursorForNumber() {
SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
queryBuilder.setTables(databaseTableOne);
String[] asColumnsToReturn = new String[] { phone_number };
Cursor phoneCursor = queryBuilder.query(ourDatabaseOne,
asColumnsToReturn, null, null, null, null, null);
return phoneCursor;
}
public String getPhoneNumber(Cursor c) {
String s = c.getString(3);
System.out.println("this is working");
System.out.println(s);
return (c.getString(3));
}
@Override
public void onCreate(SQLiteDatabase db) {
// TODO Auto-generated method stub
db.execSQL("CREATE TABLE " + databaseTableOne + " (" + Key_RowId
+ " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ guardianFirstName + " TEXT NOT NULL, " + guardianLastName
+ " TEXT NOT NULL, " + phone_number + " TEXT NOT NULL, "
+ guardian_email + " TEXT, " + status + " BOOLEAN);");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// TODO Auto-generated method stub
db.execSQL("DROP TABLE IF EXISTS " + databaseTableOne);
onCreate(db);
}
public String[] searchEntry(String reference) {
try {
String[] informationString = new String[5];
int referenceOne = Integer.parseInt(reference);
Cursor cursor = ourDatabaseOne.query(databaseTableOne,
new String[] { Key_RowId, guardianFirstName,
guardianLastName, phone_number, guardian_email,
status }, Key_RowId + " = " + referenceOne,
null, null, null, null);
if (cursor != null) {
try {
cursor.moveToFirst();
String firstName = cursor.getString(1);
String lastName = cursor.getString(2);
String number = cursor.getString(3);
String email = cursor.getString(4);
String status = cursor.getString(5);
informationString[0] = firstName;
informationString[1] = lastName;
informationString[2] = number;
informationString[3] = email;
informationString[4] = status;
return informationString;
} catch (Exception e) {
System.out.println(e.toString() + "Gowani");
}
}
} catch (Exception e) {
System.out.println(e.toString() + "Exception el barani");
}
return null;
}
}
public long createEntry(String firstName, String lastName, String number,
String email, String s) {
// TODO Auto-generated method stub
ContentValues contentValuesGuardian = new ContentValues();
contentValuesGuardian.put(guardianFirstName, firstName);
contentValuesGuardian.put(guardianLastName, lastName);
contentValuesGuardian.put(phone_number, number);
if (!email.equalsIgnoreCase("")) {
contentValuesGuardian.put(guardian_email, email);
}
if (s.equalsIgnoreCase("Active")) {
contentValuesGuardian.put(status, 1);
} else {
contentValuesGuardian.put(status, 0);
}
Long g = ourDatabase.insert(databaseTableOne, null,
contentValuesGuardian);
return g;
}
public void deleteEntry(String fName, String lName, String phone,
String email) {
// TODO Auto-generated method stub
ourDatabase.delete(databaseTableOne, phone_number + " = " + "\""
+ phone + "\"", null);
}
public void updateEntry(String fNameOld, String lNameOld, String fNameNew,
String lNameNew, String numberNew, String emailNew, String statusNew) {
// TODO Auto-generated method stub
try {
ContentValues contentValueGuardian = new ContentValues();
contentValueGuardian.put(guardianFirstName, fNameNew);
contentValueGuardian.put(guardianLastName, lNameNew);
contentValueGuardian.put(phone_number, numberNew);
if (!emailNew.equalsIgnoreCase("")) {
contentValueGuardian.put(guardian_email, emailNew);
}
if (statusNew.equalsIgnoreCase("Active")) {
contentValueGuardian.put(status, 1);
} else {
contentValueGuardian.put(status, 0);
}
Cursor cursor = ourDatabase.query(databaseTableOne, new String[] {
Key_RowId, guardianFirstName, guardianLastName },
guardianFirstName + " = " + "\"" + fNameOld + "\""
+ " AND " + guardianLastName + " = " + "\""
+ lNameOld + "\"", null, null, null, null);
int id = 0;
if (cursor != null) {
cursor.moveToFirst();
int guardid = cursor.getColumnIndex(Key_RowId);
String string = cursor.getString(guardid);
if (string != null) {
try {
id = Integer.parseInt(string);
} catch (Exception e) {
System.out.println("Feeh Error");
}
}
ourDatabase.update(databaseTableOne, contentValueGuardian,
Key_RowId + " = " + id, null);
}
} catch (Exception e) {
System.out.println(e.toString());
}
}
public void close() {
ourHelper.close();
}
public Database(Context context) {
ourContext = context;
}
public Database open() throws SQLiteException {
ourHelper = new DbHelper(ourContext);
ourDatabase = ourHelper.getWritableDatabase();
return this;
}
}
03-27 12:09:05.705:E/Database（14728）：从未对数据库“/data/data/com.project.smartcare/databases/Guardiandb”显式调用close（）
03-27 12:09:05.705:E/Database（14728）：android.Database.sqlite.DatabaseObjectNotClosedException:应用程序未关闭在此打开的光标或数据库对象
03-27 12:09:05.705:E/Database（14728）：位于android.Database.sqlite.SQLiteDatabase.（SQLiteDatabase.java:1855）
03-27 12:09:05.705:E/Database（14728）：位于android.Database.sqlite.SQLiteDatabase.openDatabase（SQLiteDatabase.java:824）
03-27 12:09:05.705:E/Database（14728）：在com.project.smartcare.Database$DbHelper.openDatabase（Database.java:98）
03-27 12:09:05.705:E/Database（14728）：位于com.project.smartcare.SqlView.onStart（SqlView.java:41）
03-27 12:09:05.705:E/数据库（14728）：位于android.app.Instrumentation.callActivityOnStart（Instrumentation.java:1129）
03-27 12:09:05.705:E/数据库（14728）：在android.app.Activity.performStart（Activity.java:3791）
03-27 12:09:05.705:E/数据库（14728）：位于android.app.Activity.performRestart（Activity.java:3821）
03-27 12:09:05.705:E/数据库（14728）：在android.app.Activity.performResume（Activity.java:3826）
03-27 12:09:05.705:E/数据库（14728）：位于android.app.ActivityThread.performResumeActivity（ActivityThread.java:2131）
03-27 12:09:05.705:E/数据库（14728）：位于android.app.ActivityThread.handleResumeActivity（ActivityThread.java:2156）
03-27 12:09:05.705:E/数据库（14728）：在android.app.ActivityThread$H.handleMessage（ActivityThread.java:969）
03-27 12:09:05.705:E/Database（14728）：在android.os.Handler.dispatchMessage（Handler.java:99）上
03-27 12:09:05.705:E/数据库（14728）：在android.os.Looper.loop（Looper.java:130）上
03-27 12:09:05.705:E/数据库（14728）：位于android.app.ActivityThread.main（ActivityThread.java:3701）
03-27 12:09:05.705:E/Database（14728）：位于java.lang.reflect.Method.Invokenactive（本机方法）
03-27 12:09:05.705:E/Database（14728）：位于java.lang.reflect.Method.invoke（Method.java:507）
03-27 12:09:05.705:E/Database（14728）：在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run（ZygoteInit.java:866）
03-27 12:09:05.705:E/Database（14728）：位于com.android.internal.os.ZygoteInit.main（ZygoteInit.java:624）
03-27 12:09:05.705:E/数据库（14728）：位于dalvik.system.NativeStart.main（本机方法）
03-27 12:09:05.715:E/Database（14728）：从未对数据库“/data/data/com.project.smartcare/databases/Guardiandb”显式调用close（）
03-27 12:09:05.715:E/Database（14728）：android.Database.sqlite.DatabaseObjectNotClosedException:应用程序未关闭在此打开的游标或数据库对象
03-27 12:09:05.715:E/Database（14728）：位于android.Database.sqlite.SQLiteDatabase.（SQLiteDatabase.java:1855）
03-27 12:09:05.715:E/Database（14728）：位于android.Database.sqlite.SQLiteDatabase.openDatabase（SQLiteDatabase.java:824）
03-27 12:09:05.715:E/Database（14728）：在com.project.smartcare.Database$DbHelper.openDatabase（Database.java:98）
03-27 12:09:05.715:E/数据库（14728）：在com.project.smartcare.SqlView.onRestart（SqlView.java:67）上
03-27 12:09:05.715:E/数据库（14728）：在android.app.Instrumentation.callActivityOnRestart（Instrumentation.java:1139）
03-27 12:09:05.715:E/数据库（14728）：位于android.app.Activity.performRestart（Activity.java:3815）
03-27 12:09:05.715:E/数据库（14728）：位于android.app.Activity.performResume（Activity.java:3826）
03-27 12:09:05.715:E/数据库（14728）：在android.app.ActivityThread.performResumeActivity（ActivityThread.java:2131）
03-27 12:09:05.715:E/数据库（14728）：位于android.app.ActivityThread.handleResumeActivity（ActivityThread.java:2156）
03-27 12:09:05.715:E/数据库（14728）：在android.app.ActivityThread$H.handleMessage（ActivityThread.java:969）
03-27 12:09:05.715:E/Database（14728）：在android.os.Handler.dispatchMessage（Handler.java:99）上
03-27 12:09:05.715:E/数据库（14728）：在android.os.Looper.loop（Looper.java:130）上
03-27 12:09:05.715:E/数据库（14728）：位于android.app.ActivityThread.main（ActivityThread.java:3701）
03-27 12:09:05.715:E/Database（14728）：位于java.lang.reflect.Method.Invokenactive（本机方法）
03-27 12:09:05.715:E/Database（14728）：位于java.lang.reflect.Method.invoke（Method.java:507）
03-27 12:09:05.715:E/Database（14728）：在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run（ZygoteInit.java:866）
03-27 12:09:05.715:E/Database（14728）：位于com.android.internal.os.ZygoteInit.main（ZygoteInit.java:624）
03-27 12:09:05.715:E/数据库（14728）：位于dalvik.system.NativeStart.main（本机方法）
03-27 12:09:05.735:E/Database（14728）：从未对数据库“/data/data/com.project.smartcare/databases/Guardiandb”显式调用close（）
03-27 12:09:05.735:E/Database（14728）：android.Database.sqlite.DatabaseObjectNotClosedException:应用程序未关闭在此打开的光标或数据库对象
03-27 12:09:05.735:E/Database（14728）：位于android.Database.sqlite.SQLiteDatabase.（SQLiteDatabase.java:1855）
03-27 12:09:05.735:E/Database（14728）：位于android.Database.sqlite.SQLiteDatabase.openDatabase（SQLiteDatabase.java:824）
03-27 12:09:05.735:E/Database（14728）：在com.project.smartcare.Database$DbHelper.openDatabase（Database.java:98）
03-27 12:09:05.735:E/数据库（14728）：在com.project.smartcare.SqlView.onResume（SqlView.java:84）上
03-27 12:09:05.735:E/数据库（14728）：在android.app.Instrumentation.callActivityOnResume（Instrumentation.java:1150）
03-27 12:09:05.735:E/数据库（14728）：在android.app.Activity.performResume（Activity.java:3832）
03-27 12:09:05.735:E/数据库（14728）：在android.app.ActivityThread.performResumeActivity（ActivityThread.java:2131）
03-27 12:09:05.735:E/数据库（14728）：在android上
final TourDBAdapter d = new TourDBAdapter(getBaseContext());
final DatabaseHelper g = new DatabaseHelper(getBaseContext());
d.open();
// your work
d.close();