PLEASE I NEED HELP ON THIS SO I'LL KNOW AM CATCHING UP. This returns the least amount of data, and the sql engine uses the index. SELECT columnvalue FROM mytable WHERE columnkey LIKE 'ABC'. Secondly, dont do a SELECT all with manual table scan, but rather use a query in the form. SCREENSHOTS HAVE BEEN INCLUDED FOR SIMPLIFICATION. First off, add an index to the field youre searching for, if you dont have one already. I didn't get any error message whether it saved successfully or failed. To access it on your phone, you have to get root access, then the databse can be found under data/data//files/. But how to display the image related to that particular question. The names of all the images are stored in pictures column in sqlite db table. If your phone is not rooted, you cannot directly access it. I am able to display the question and options from local sqlite db but I am unable to display the image which is stored in assetsDBimagesabc.png. when the fab icon is clicked the ADD CONTACT activity is displayed.Ģ)The Add Contact activity sole purpose is to add every new contact into the sqlite database and then redirect the user back to Contact List.ģ)assuming contacts have been added to the sqlite database, when the user is redirected to Contact List the listview should be populated with datas from the sqlite database.ġ)MainActivity.class containing a fab icon.ĥ)AddContact.class where the user inputs details and save to sqlite.ġ)when I don't comment out the lines of codes that populates the listview in the mainactivity.class, the app crashes when I try to launch it.Ģ)when I comment out the lines of codes that populates the listview in the mainactivity.class, the app doesn't crash which means it will never try to interact with the custom adapter I created and the database, so I added some condition statement in the addcontact.class to be certain the contact was added to the database after save button has been clicked. The SQLite Database is stored on the phone and not on your pc. My phone is not rooted for what I know and I have had no luck accessing this folder through the adb. The most common way to force an SQLite database to exist purely in memory is to open the database using the special filename ' :memory: '. However, in certain circumstances, the database might be stored in memory. I understand the database file is stored somewhere in /data/data/. An SQLite database is normally stored in a single ordinary disk file. I am new to android and I would appreciate your support concerning a LIST ACTIVITY CONTACT APPLICATION I am working on.ġ)The contact list activity screen is the top level activity where list of contacts appears when the application is launched, and it contains a fab at the bottom right corner. Hello (first time on the forum), Im developing Android apps in Eclipse and use my Samsung Galaxy S2 for testing and debugging.
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