java 火力地堡

Posted 2021-05-07

DatabaseReference mRootRef;

mRootRef = FirebaseDatabase.getInstance().getReference().child("tasks");

mRootRef.addValueEventListener(new ValueEventListener() {
    @Override
    public void onDataChange(DataSnapshot snapshot) {
        completedList.clear();
        pendingList.clear();
        for (DataSnapshot postSnapshot: snapshot.getChildren()) {
            tasks rtask = new tasks();
            rtask.setTaskTitle(postSnapshot.child("taskTitle").getValue().toString());
            rtask.setTaskPriority(Integer.valueOf(postSnapshot.child("taskPriority").getValue().toString()));
            rtask.setTaskTime(postSnapshot.child("taskTime").getValue().toString());
            rtask.setCompleted(Boolean.valueOf(postSnapshot.child("completed").getValue().toString()));
            rtask.setTaskID(postSnapshot.child("taskID").getValue().toString());
            if (Boolean.valueOf(postSnapshot.child("completed").getValue().toString()))
                completedList.add(rtask);
            else
                pendingList.add(rtask);
        }
    }

    @Override
    public void onCancelled(@NonNull DatabaseError databaseError) {

    }
});

//Add data to Firebase

task.setTaskID(mRootRef.push().getKey());
mRootRef.child(task.getTaskID()).setValue(task);

//Remove data from Firebase

mRootRef.child(tasksList.get(position).getTaskID()).removeValue();