CounterDetailScreen.java

/*
 * Copyright 2016 Kejun Xia
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.shipdream.lib.android.mvc.samples.simple.mvp.view;

import android.content.Intent;
import android.view.MotionEvent;
import android.view.View;
import android.widget.TextView;

import com.shipdream.lib.android.mvc.samples.simple.mvp.R;
import com.shipdream.lib.android.mvc.samples.simple.mvp.controller.CounterDetailController;
import com.shipdream.lib.android.mvc.samples.simple.mvp.view.service.CountService;

import butterknife.BindView;
import butterknife.OnClick;
import butterknife.OnTouch;

public class CounterDetailScreen extends AbstractFragment<CounterDetailController> {
    @BindView(R.id.screen_detail_counterDisplay)
    TextView display;

    @Override
    protected Class<CounterDetailController> getControllerClass() {
        return CounterDetailController.class;
    }

    @Override
    protected int getLayoutResId() {
        return R.layout.screen_detail;
    }

    @Override
    public void update() {
        /**
         * Controller will call update() whenever the controller thinks the state of the screen
         * changes. So just bind the state of the controller to this screen then the screen is always
         * reflecting the latest state/model of the controller
         */
        display.setText(controller.getCount());
    }

    @OnClick(R.id.screen_detail_buttonAutoIncrement)
    void onClick(View v) {
        Intent intent = new Intent(getActivity(), CountService.class);
        getActivity().startService(intent);
    }

    @OnTouch(R.id.screen_detail_buttonIncrement)
    boolean onTouchIncrement(final View v, MotionEvent event) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                controller.startContinuousIncrement();
                break;
            case MotionEvent.ACTION_UP:
            case MotionEvent.ACTION_CANCEL:
                controller.stopContinuousIncrement();
                break;
        }
        return false;
    }

    @OnTouch(R.id.screen_detail_buttonDecrement)
    boolean onTouch(final View v, MotionEvent event) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                controller.startContinuousDecrement();
                break;
            case MotionEvent.ACTION_UP:
            case MotionEvent.ACTION_CANCEL:
                controller.stopContinuousDecrement();
                break;
        }
        return false;
    }

    @Override
    public boolean onBackButtonPressed() {
        //Use counterController to manage navigation back make navigation testable
        controller.goBackToBasicView(this);
        //Return true to not pass the back button pressed event to upper level handler.
        return true;
        //Or we can let the fragment manage back navigation back automatically where we don't
        //override this method which will call NavigationManager.navigateBack(Object sender)
        //automatically
    }
}