1. In your create table String, String newTableQueryString = “create table ” + TABLE_NAME + ” (” + TABLE_ROW_ID + ” integer primary key autoincrement not null, ” + TABLE_ROW_ONE + ” text, ” + TABLE_ROW_TWO + ” text, ” + TABLE_ROW_THREE + ” text, ” + TABLE_ROW_FOUR + ” text” + “);”; The ROW_ID … Read more
Your onCreate() has SQL syntax errors: String DATABASE_CREATE_FIRST =”CREATE TABLE IF NOT EXISTS”+ NAME_TABLE +”(” + KEY_NAME +TEXT_TYPE+ COMMA_SEP + KEY_HR+TEXT_TYPE+ COMMA_SEP + KEY_IBI +TEXT_TYPE+ COMMA_SEP+ KEY_HMIN+TEXT_TYPE+ COMMA_SEP+ KEY_HMAX+TEXT_TYPE+ COMMA_SEP+ KEY_IMIN+TEXT_TYPE+ COMMA_SEP+ KEY_IMAX+TEXT_TYPE+ COMMA_SEP+ KEY_BMIN+TEXT_TYPE+ COMMA_SEP+ KEY_BMAX+TEXT_TYPE+ COMMA_SEP+ “)”; No space between EXISTS and table name. Extra comma after last column specification. So: String DATABASE_CREATE_FIRST … Read more
You should have a SQLiteOpenHelper class which contains some methods for database management and lifecycle like onCreate(SQLiteDatabase db) // Called when the database is created for the first time. onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) //Called when the database needs to be downgraded. onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) // Called when the database needs … Read more
Introduction Android SQLite is a powerful and popular database system used to store data on Android devices. Unfortunately, it is not uncommon to encounter errors when working with SQLite databases. One of the most common errors is “no such table,” which indicates that the database does not contain the table that is being referenced. This … Read more
The Cursor must include a column named “_id” or this class (CursorAdapter and descendants) will not work. COL_ID should be “_id” or you can try to use a workaround by making alias: String[] allColumns = new String[] { SqlDbHelper.COL_ID + ” AS ” + BaseColumns._ID, … See CursorAdapter 11 solved Android SQLite data display to … Read more
Firstly intialize db then call retrive() method: Replace: retrive(); setListAdapter(adapter); db =new MyDBHandler(MyListActivity.this); To: db =new MyDBHandler(MyListActivity.this); retrive(); setListAdapter(adapter); 2 solved show data in listview from sqlite database in android [closed]
You should not use whitespaces in your column names. change public static String COLUMN_PRODUS = “Nume Produse”; into public static String COLUMN_PRODUS = “NumeProduse”; solved SQLiteLog: (1) near “Produse”: syntax error
Why Notes.user? You’re putting an unnecessary dot. Go compare to the link you’ve referenced. Just use Notes or UserNotes solved SQLiteException: unknown database
You are not calling sqlite3_step, which performs the update. After the sqlite3_prepare and before the sqlite3_finalize, you need something like: if (sqlite3_step(compiledStatement) != SQLITE_DONE) NSLog(@”%s: step error: %s”, __FUNCTION__, sqlite3_errmsg(database)); 0 solved Sqlite3 update query not working in ios app
Next line is full of errors DATABASE_CREATE=”CREATE TABLE IF NOT EXISTS”+num+”(date VARCHAR,latitude VARCHAR,longitude VARCHAR);”; // FULL OF ERRORS!! It should be something like DATABASE_CREATE=”CREATE TABLE IF NOT EXISTS Table” + num + ” (date TEXT, latitude TEXT, longitude TEXT)”; So, correct the table creation and delete the Then, the next line sets the table creation … Read more
The last commit in the library is also in Dec. 2014. That library does not do very much, and so I would not expect it to be changing. SQLiteAssetHelper works just fine. However, SQLiteAssetHelper is a solution for a specific problem: shipping a database with an app. On the other hand, in this official guide, … Read more
Basically it depends on your requirement. If you want to store your data outside of the mobile itself for any reason such as fetching and updating them from multiple devices you can use a server to host your database and perform read, write operations. If not, if you only want to use your data inside … Read more
You can follow below instructions to find Google sample code: Click on File > New > Import Sample You will see below window from where you can select any official sample code from Google: 0 solved Where can I find Android Studio tutorials on making a simple Notepad and Alarm clock app? [closed]
look at this code: you must load image bytes from cursor and convert it to Bitmap. byte[] imageBytes = getBlob(cursor, “ImageFieldName”, null); if (imageBytes != null) { Bitmap bmp= convertByteArrayToBitmap(imageBytes); imageview1.setImageBitmap(bmp); } private byte[] getBlob(Cursor cursor, String colName, byte[] defaultValue) { try { int colIndex; if (cursor != null && (colIndex = cursor.getColumnIndex(colName)) > -1 … Read more
As you can see in the query it tries to execute: CREATE TABLE new_info(user-name TEXT,user_mob TEXT,user_email TEXT); You have – instead of _. Just replace user-name with user_name. Check this post to understand how to be able to use hyphen in the table names. 4 solved Whats wrong with my SQLite query?