
Android Tutorial
Android Software Development
After it is began, a service can run in the background indefinitely, even if the component that started it’s destroyed. Usually, a began service performs a single operation and does not return a outcome to the caller. For example, it could possibly obtain or upload a file over the network. When the operation is full, the service ought to cease itself.
SQLite supports standard relational database options like SQL syntax, transactions and ready statements. The database requires restricted memory at runtime (approx. 250 Kbytes) which makes it a good candidate from being embedded into different runtimes.
Via a content material provider your utility can share knowledge with other purposes. Android contains an SQLite database which is frequently used in conjunction with a content material provider.
∑ Queries may be created through the rawQuery() and query() strategies or via the SQLiteQueryBuilder class . ∑ rawQuery() directly accepts an …