....a bunch of RoboGuice injections
@InjectView(R.id.palettePurple)
private RelativeLayout palettePurple;

private ImageView deleteBtn;

private String currentColor;

TaskAdapter adapter;
List<Task> allTasks;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_my);

    // register click listeners, "this" activity will listen for clicks on these views
    editBtn.setOnClickListener(this);
    submitBtn.setOnClickListener(this);
    deleteBtn.setOnClickListener(this);

    paletteRed.setOnClickListener(this);
    paletteOrange.setOnClickListener(this);
    paletteGreen.setOnClickListener(this);
    paletteRoyalBlue.setOnClickListener(this);
    palettePurple.setOnClickListener(this);


    RecyclerView recList = (RecyclerView) findViewById(R.id.tasksRV);
    recList.setHasFixedSize(true);
    LinearLayoutManager llm = new LinearLayoutManager(this);
    llm.setOrientation(LinearLayoutManager.VERTICAL);
    recList.setLayoutManager(llm);

    allTasks = Task.getAll();
    adapter = new TaskAdapter(allTasks);
    recList.setAdapter(adapter);
}

....menu overrides....

@Override
public void onClick(View v) {
    Log.d("TRACE", "inside onClick");

    ....handling other clicks....

    // submit button was clicked, create a new task
    else if(v.getId() == R.id.submitBtn) {
            String taskDescription = taskET.getText().toString();
            Task newTask = new Task(taskDescription, currentColor);
            newTask.save();
            int lastIndex = allTasks.size()-1;
            adapter.notifyItemInserted(lastIndex);
            editSection.setVisibility(View.GONE);
            editBtn.setVisibility(View.VISIBLE);
        }
    }
}

compile 'com.android.support:cardview-v7:+'

dependencies {
...
compile 'com.android.support:cardview-v7:21.0.+'
compile 'com.android.support:recyclerview-v7:21.0.+'
}