private void init() {
mDbHelper = new DemoDBHelper(this);
initData();
mRecyclerView = (SupportRecyclerView) findViewById(R.id.demo_recyclerview);
mRecyclerView.setEmptyView(findViewById(R.id.empty_view));
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
mAdapter = new DemoRecyclerCursorAdapter(this, mDbHelper.queryAll());
mAdapter.setOnItemClickListener(this);
mAdapter.setOnItemLongClickListener(this);
mRecyclerView.setAdapter(mAdapter);
mRecyclerView.setOnItemClickListener(this);
mRecyclerView.setOnItemLongClickListener(this);
}
private void initData() {
mDbHelper.insertUser(new User("user1", 20));
mDbHelper.insertUser(new User("user2", 21));
mDbHelper.insertUser(new User("user3", 22));
mDbHelper.insertUser(new User("user4", 23));
mDbHelper.insertUser(new User("user5", 24));
mDbHelper.insertUser(new User("user6", 25));
mDbHelper.insertUser(new User("user7", 26));
mDbHelper.insertUser(new User("user8", 27));
mDbHelper.insertUser(new User("user9", 28));
mDbHelper.insertUser(new User("user10", 29));
mDbHelper.insertUser(new User("user11", 30));
mDbHelper.insertUser(new User("user12", 31));
mDbHelper.insertUser(new User("user13", 32));
}
// delete all data
public void delete(View view) {
mDbHelper.deleteAll();
mAdapter.getCursor().requery();
Toast.makeText(this, "DELETE", Toast.LENGTH_SHORT).show();
Log.e(TAG, "DELETE ALL");
}