View Sqlite Databases In Android Listview?
Solution 1:
Here's a good tutorial on SQLite databases and displaying contents in a ListView
:
http://www.vogella.com/articles/AndroidSQLite/article.html#databasetutorial
It doesn't go over editing that much, but it's easy to see where he puts the values into the database.
thenewboston on YouTube is a good resource for Android tutorials and he goes over SQLite
databases:
http://www.youtube.com/watch?v=gEg9OdufXmM
It's pretty comprehensive and slow if you already kinda know what you're doing so here is where he goes over inserting data/editing the database if you just wanna jump to that: http://www.youtube.com/watch?v=S3Z4e7KgNdU
Solution 2:
I know this below can be optimized but for now just create such a method to do it automatically. The method...
- Creates an empty database of a random name for a second,
- Saves the new database's location - getDatabasePath,
- Quikly deletes the empty database,
- Removes filename form the saved path to get the directory path olny,
- List all files in the database path excluding '-journal' files.
And it goes like this:
ArrayList<String> arr_list_of_db_files = getDBFILES();
pivate ArrayList<String> getDBFILES()
{
ArrayList<String> arr = new ArrayList<String>;
String db_path, rand_name, str_tmp;
//ad.1-2. random file name for db
rand_name = new Random().nextInt((4000000-2000+1)+2000).toString()+".db";
db_path = openOrCreateDatabase(rand_name, MODE_PRIVATE, null).getPath();
//ad.3.
deleteDatabase(rand_name);
//ad.4.
db_path = db_path.replace("/" + rand_name, "");
//ad.5.
File [] files = new File(db_path).listFiles();
if (files == null) { return null; }
//so now we get the filenames one by one
for (int i = 0; i < files.length; i++)
{
str_tmp = files[i].getName();
if (!str_tmp.endsWith("-journal"))
{ arr.add(str_tmp); }
}
return arr;
}
Btw, I cant test the code, but I hope it is fine and some of you find it useful.
Edited: I have optimized the above code.
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