com.contentful.droidstory.ui.story.StoryActivity.java Source code

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Here is the source code for com.contentful.droidstory.ui.story.StoryActivity.java

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/*
 * Copyright (C) 2015 Contentful GmbH
 *
 * 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.contentful.droidstory.ui.story;

import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.widget.Toast;
import butterknife.Bind;
import butterknife.BindDimen;
import butterknife.ButterKnife;
import com.contentful.droidstory.R;
import com.contentful.droidstory.ui.common.VerticalSpaceDecoration;

public final class StoryActivity extends AppCompatActivity implements StoryFragment.Listener {
    private StoryFragment storyFragment;

    @Bind(R.id.swipe_refresh)
    SwipeRefreshLayout swipeRefresh;
    @Bind(R.id.recycler)
    RecyclerView recyclerView;

    @BindDimen(R.dimen.li_vertical_margins)
    int itemVerticalSpacing;

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

        ButterKnife.bind(this);
        setupMainFragment();
        setupSwipeReferesh();
        setupRecycler();
    }

    @Override
    protected void onStart() {
        super.onStart();
        storyFragment.setListener(this);
    }

    @Override
    protected void onStop() {
        storyFragment.setListener(null);
        stopRefresh();
        super.onStop();
    }

    @Override
    public void stopRefresh() {
        swipeRefresh.setRefreshing(false);
    }

    @Override
    public void showSyncError(Throwable throwable) {
        Toast.makeText(this, getString(R.string.error_sync, throwable.getMessage()), Toast.LENGTH_LONG).show();
    }

    private void setupSwipeReferesh() {
        swipeRefresh.setOnRefreshListener(storyFragment::requestSync);
    }

    private void setupRecycler() {
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));
        recyclerView.setAdapter(storyFragment.storyAdapter());
        recyclerView.addItemDecoration(new VerticalSpaceDecoration(itemVerticalSpacing));
    }

    private void setupMainFragment() {
        FragmentManager fm = getSupportFragmentManager();
        storyFragment = (StoryFragment) fm.findFragmentByTag(StoryFragment.TAG);
        if (storyFragment == null) {
            storyFragment = new StoryFragment();
            fm.beginTransaction().add(storyFragment, StoryFragment.TAG).commit();
        }
    }
}