net.olejon.mdapp.NotificationsFromSlvActivity.java Source code

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Here is the source code for net.olejon.mdapp.NotificationsFromSlvActivity.java

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package net.olejon.mdapp;

/*
    
Copyright 2015 Ole Jon Bjrkum
    
This file is part of LegeAppen.
    
LegeAppen is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
LegeAppen is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with LegeAppen.  If not, see <http://www.gnu.org/licenses/>.
    
*/

import android.content.Context;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.NavUtils;
import android.support.v4.app.NotificationManagerCompat;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.view.View;
import android.widget.ProgressBar;

import com.android.volley.DefaultRetryPolicy;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonArrayRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONArray;

public class NotificationsFromSlvActivity extends ActionBarActivity {
    private final Context mContext = this;

    private final MyTools mTools = new MyTools(mContext);

    private NotificationManagerCompat mNotificationManagerCompat;

    private ProgressBar mProgressBar;
    private SwipeRefreshLayout mSwipeRefreshLayout;
    private RecyclerView mRecyclerView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Settings
        PreferenceManager.setDefaultValues(mContext, R.xml.settings, false);

        // Connected?
        if (!mTools.isDeviceConnected()) {
            mTools.showToast(getString(R.string.device_not_connected), 1);

            finish();

            return;
        }

        // Notification manager
        mNotificationManagerCompat = NotificationManagerCompat.from(mContext);

        // Layout
        setContentView(R.layout.activity_notifications_from_slv);

        // Toolbar
        final Toolbar toolbar = (Toolbar) findViewById(R.id.notifications_from_slv_toolbar);
        toolbar.setTitle(getString(R.string.notifications_from_slv_title));

        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        // Progress bar
        mProgressBar = (ProgressBar) findViewById(R.id.notifications_from_slv_toolbar_progressbar);
        mProgressBar.setVisibility(View.VISIBLE);

        // Refresh
        mSwipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.notifications_from_slv_swipe_refresh_layout);
        mSwipeRefreshLayout.setColorSchemeResources(R.color.accent_blue, R.color.accent_green,
                R.color.accent_purple, R.color.accent_orange);

        mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                getNotifications(false);
            }
        });

        // Recycler view
        mRecyclerView = (RecyclerView) findViewById(R.id.notifications_from_slv_cards);

        mRecyclerView.setHasFixedSize(true);
        mRecyclerView.setAdapter(new NotificationsFromSlvAdapter(mContext, new JSONArray()));
        mRecyclerView.setLayoutManager(new LinearLayoutManager(mContext));

        // Get notifications
        getNotifications(true);
    }

    // Resume activity
    @Override
    protected void onResume() {
        super.onResume();

        mNotificationManagerCompat.cancel(NotificationsFromSlvIntentService.NOTIFICATION_ID);
    }

    // Menu
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home: {
            NavUtils.navigateUpFromSameTask(this);
            return true;
        }
        default: {
            return super.onOptionsItemSelected(item);
        }
        }
    }

    // Get notifications
    private void getNotifications(boolean cache) {
        RequestQueue requestQueue = Volley.newRequestQueue(mContext);

        String apiUri = getString(R.string.project_website_uri) + "api/1/notifications-from-slv/";

        if (!cache)
            requestQueue.getCache().remove(apiUri);

        JsonArrayRequest jsonArrayRequest = new JsonArrayRequest(apiUri, new Response.Listener<JSONArray>() {
            @Override
            public void onResponse(JSONArray response) {
                mProgressBar.setVisibility(View.GONE);
                mSwipeRefreshLayout.setRefreshing(false);

                if (mTools.isTablet())
                    mRecyclerView.setLayoutManager(
                            new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL));

                mRecyclerView.setAdapter(new NotificationsFromSlvAdapter(mContext, response));
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                mProgressBar.setVisibility(View.GONE);
                mSwipeRefreshLayout.setRefreshing(false);

                mTools.showToast(getString(R.string.notifications_from_slv_could_not_get_notifications), 1);

                finish();
            }
        });

        jsonArrayRequest.setRetryPolicy(new DefaultRetryPolicy(10000, DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
                DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));

        requestQueue.add(jsonArrayRequest);
    }
}