Tag: 同步

如何从Firebase中的表中同步获取所有行？

考虑下面的代码片段： public ArrayList getList(GenericModel model) { ValueEventListener postListener = new ValueEventListener() { @Override public void onDataChange(DataSnapshot dataSnapshot) { ArrayList genericModels = new ArrayList(); for (DataSnapshot postSnapshot : dataSnapshot.getChildren()) { GenericModel genericModel = postSnapshot.getValue(model.getClass()); genericModels.add(genericModel); } Collections.sort(genericModels, (o1, o2) -> o1.getDate().compareTo(o2.getDate())); return genericModels; } @Override public void onCancelled(DatabaseError databaseError) { return null; } }; mDatabase.child(model.getTableName()).child(mUser.getUid()).addListenerForSingleValueEvent(postListener); } […]