Initial commit

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -0,0 +1,29 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "24.0.3"
+    defaultConfig {
+        applicationId "com.example.h_mal.newsapp"
+        minSdkVersion 15
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.1.0'
+    testCompile 'junit:junit:4.12'
+}

app/proguard-rules.pro

@@ -0,0 +1,17 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\h_mal\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

app/src/androidTest/java/com/example/h_mal/newsapp/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.example.h_mal.newsapp;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.h_mal.newsapp", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.h_mal.newsapp">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".SettingsActivity"
+            android:label="Settings">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="com.example.h_mal.newsapp.MainActivity"/>
+        </activity>
+</application>
+</manifest>

app/src/main/java/com/example/h_mal/newsapp/DataSink.java

@@ -0,0 +1,145 @@
+package com.example.h_mal.newsapp;
+
+import android.text.TextUtils;
+import android.util.Log;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by h_mal on 16/03/2017.
+ */
+
+public class DataSink {
+
+    private static final String LOG_TAG = DataSink.class.getSimpleName();
+
+    private DataSink(){}
+
+    public static List<News> fetchNewsData(String requestUrl) {
+        try {
+            Thread.sleep(2000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        URL url = createUrl(requestUrl);
+
+        String jsonResponse = null;
+        try {
+            jsonResponse = makeHttpRequest(url);
+        } catch (IOException e) {
+            Log.e(LOG_TAG, "Problem making the HTTP request.", e);
+        }
+
+        List<News> news = extractFeatureFromJson(jsonResponse);
+
+        return news;
+    }
+
+    private static URL createUrl(String stringUrl) {
+        URL url = null;
+        try {
+            url = new URL(stringUrl);
+        } catch (MalformedURLException e) {
+            Log.e(LOG_TAG, "Error with creating URL ", e);
+        }
+        return url;
+    }
+
+    private static String makeHttpRequest(URL url) throws IOException {
+        String jsonResponse = "";
+
+        if (url == null) {
+            return jsonResponse;
+        }
+
+        HttpURLConnection urlConnection = null;
+        InputStream inputStream = null;
+        try {
+            urlConnection = (HttpURLConnection) url.openConnection();
+            urlConnection.setReadTimeout(10000 /* milliseconds */);
+            urlConnection.setConnectTimeout(15000 /* milliseconds */);
+            urlConnection.setRequestMethod("GET");
+            urlConnection.connect();
+
+            if (urlConnection.getResponseCode() == 200) {
+                inputStream = urlConnection.getInputStream();
+                jsonResponse = readFromStream(inputStream);
+            } else {
+                Log.e(LOG_TAG, "Error response code: " + urlConnection.getResponseCode());
+            }
+        } catch (IOException e) {
+            Log.e(LOG_TAG, "Problem retrieving the earthquake JSON results.", e);
+        } finally {
+            if (urlConnection != null) {
+                urlConnection.disconnect();
+            }
+            if (inputStream != null) {
+                inputStream.close();
+            }
+        }
+        return jsonResponse;
+    }
+
+    private static String readFromStream(InputStream inputStream) throws IOException {
+        StringBuilder output = new StringBuilder();
+        if (inputStream != null) {
+            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, Charset.forName("UTF-8"));
+            BufferedReader reader = new BufferedReader(inputStreamReader);
+            String line = reader.readLine();
+            while (line != null) {
+                output.append(line);
+                line = reader.readLine();
+            }
+        }
+        return output.toString();
+    }
+
+    private static List<News> extractFeatureFromJson(String newsJSON) {
+
+        if (TextUtils.isEmpty(newsJSON)) {
+            return null;
+        }
+
+        List<News> news = new ArrayList<>();
+
+        try {
+
+            JSONObject baseJsonResponse = new JSONObject(newsJSON);
+            JSONObject currentNews = baseJsonResponse.getJSONObject("response");
+            JSONArray newsArray = currentNews.getJSONArray("results");
+
+            for (int i = 0; i < newsArray.length(); i++) {
+                JSONObject properties = newsArray.getJSONObject(i);
+
+                String title = properties.getString("webTitle");
+                String section = properties.getString("sectionName");
+                String url = properties.getString("webUrl");
+
+                News newsArticles = new News(title, section, url);
+
+                news.add(newsArticles);
+            }
+
+        } catch (JSONException e) {
+
+            Log.e("DataSink", "Problem parsing the earthquake JSON results", e);
+        }
+
+        return news;
+    }
+
+}

app/src/main/java/com/example/h_mal/newsapp/MainActivity.java

@@ -0,0 +1,147 @@
+package com.example.h_mal.newsapp;
+
+import android.app.LoaderManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.Loader;
+import android.content.SharedPreferences;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ListView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity implements LoaderManager.LoaderCallbacks<List<News>> {
+
+    private TextView mEmptyStateTextView;
+
+    private static final int NEWS_LOADER_ID = 1;
+
+    private String GUARDIAN_REQUEST_URL = "https://content.guardianapis.com/search?page-size=30";
+
+    private NewsAdapter mAdapter;
+
+//    private String topic = "debate";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        ListView newsListView = (ListView) findViewById(R.id.list);
+
+        mEmptyStateTextView = (TextView) findViewById(R.id.empty_view);
+        newsListView.setEmptyView(mEmptyStateTextView);
+
+        mAdapter = new NewsAdapter(this, new ArrayList<News>());
+        newsListView.setAdapter(mAdapter);
+
+        newsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
+
+                News currentNews = mAdapter.getItem(position);
+                Uri newsUri = Uri.parse(currentNews.getURLaddress());
+
+                Intent websiteIntent = new Intent(Intent.ACTION_VIEW, newsUri);
+                startActivity(websiteIntent);
+            }
+        });
+
+        ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
+        NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
+
+        if (networkInfo != null && networkInfo.isConnected()) {
+            LoaderManager loaderManager = getLoaderManager();
+            loaderManager.initLoader(NEWS_LOADER_ID, null, this);
+        } else {
+            mEmptyStateTextView.setText("no internet connection");
+            ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
+            progressBar.setVisibility(View.GONE);
+        }
+
+        NewsAsyncTask task = new NewsAsyncTask();
+        task.execute(GUARDIAN_REQUEST_URL);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+        if (id == R.id.action_settings) {
+            Intent settingsIntent = new Intent(this, SettingsActivity.class);
+            startActivity(settingsIntent);
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public Loader<List<News>> onCreateLoader(int i, Bundle bundle) {
+
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        String topic = sharedPrefs.getString(
+                "defaultNews",
+                "debate"
+        );
+
+        Uri baseUri = Uri.parse(GUARDIAN_REQUEST_URL);
+        Uri.Builder uriBuilder = baseUri.buildUpon();
+
+        uriBuilder.appendQueryParameter("tag", "politics/politics");
+        uriBuilder.appendQueryParameter("from-date", "2014-01-01");
+        uriBuilder.appendQueryParameter("q", topic);
+        uriBuilder.appendQueryParameter("api-key", "test");
+
+        return new NewsLoader(this, uriBuilder.toString());
+
+    }
+
+    @Override
+    public void onLoadFinished(Loader<List<News>> loader, List<News> news) {
+        mEmptyStateTextView.setText("no articles found");
+        mAdapter.clear();
+
+        ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
+        progressBar.setVisibility(View.GONE);
+
+        if (news != null && !news.isEmpty()) {
+            mAdapter.addAll(news);
+        }
+    }
+
+    @Override
+    public void onLoaderReset(Loader<List<News>> loader) {
+        mAdapter.clear();
+    }
+
+    private class NewsAsyncTask extends AsyncTask<String, Void, List<News>> {
+
+        @Override
+        protected List<News> doInBackground(String... urls) {
+            if (urls.length < 1 || urls[0] == null) {
+                return null;
+            }
+
+            List<News> result = DataSink.fetchNewsData(urls[0]);
+            return result;
+        }
+    }
+}

app/src/main/java/com/example/h_mal/newsapp/News.java

@@ -0,0 +1,31 @@
+package com.example.h_mal.newsapp;
+
+/**
+ * Created by h_mal on 16/03/2017.
+ */
+
+public class News {
+
+    private String mTitle;
+
+    private String mSection;
+
+    private String mURLaddress;
+
+    public News (String title, String section, String URLaddress){
+
+        mTitle = title;
+        mSection = section;
+        mURLaddress = URLaddress;
+    }
+
+    public String getTitle() {
+        return mTitle;
+    }
+
+    public String getSection() {
+        return mSection; }
+
+    public String getURLaddress() {
+        return mURLaddress;}
+}

app/src/main/java/com/example/h_mal/newsapp/NewsAdapter.java

@@ -0,0 +1,45 @@
+package com.example.h_mal.newsapp;
+
+import android.app.Activity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+/**
+ * Created by h_mal on 16/03/2017.
+ */
+
+public class NewsAdapter extends ArrayAdapter<News>{
+
+    public NewsAdapter(Activity context, ArrayList<News> news) {
+
+        super(context, 0, news);
+    }
+
+    public View getView(int position, View convertView, ViewGroup parent){
+        View listItemView = convertView;
+        if (listItemView == null) {
+            listItemView = LayoutInflater.from(getContext()).inflate(
+                    R.layout.list_item, parent, false);
+        }
+
+        News currentNews = getItem(position);
+
+        String title = currentNews.getTitle();
+        String section = currentNews.getSection();
+
+        TextView titleView = (TextView) listItemView.findViewById(R.id.title);
+        titleView.setText(title);
+
+        TextView sectionView = (TextView) listItemView.findViewById(R.id.section);
+        sectionView.setText(section);
+
+        return listItemView;
+    }
+
+
+}

app/src/main/java/com/example/h_mal/newsapp/NewsLoader.java

@@ -0,0 +1,37 @@
+package com.example.h_mal.newsapp;
+
+import android.content.AsyncTaskLoader;
+import android.content.Context;
+
+import java.util.List;
+
+/**
+ * Created by h_mal on 18/03/2017.
+ */
+
+public class NewsLoader extends AsyncTaskLoader<List<News>> {
+
+    public static final String LOG_TAG = NewsLoader.class.getName();
+
+    private String mUrl;
+
+    public NewsLoader(Context context, String url) {
+        super(context);
+        mUrl = url;
+    }
+
+    @Override
+    protected void onStartLoading() {
+        forceLoad();
+    }
+
+    @Override
+    public List<News> loadInBackground() {
+        if (mUrl == null) {
+            return null;
+        }
+
+        List<News> result = DataSink.fetchNewsData(mUrl);
+        return result;
+    }
+}

app/src/main/java/com/example/h_mal/newsapp/SettingsActivity.java

@@ -0,0 +1,56 @@
+package com.example.h_mal.newsapp;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
+
+/**
+ * Created by h_mal on 19/03/2017.
+ */
+
+public class SettingsActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.settings_activity);
+    }
+
+    public static class NewsPreferenceFragment extends PreferenceFragment implements Preference.OnPreferenceChangeListener {
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            addPreferencesFromResource(R.xml.settings_main);
+
+            Preference topic = findPreference("defaultNews");
+            bindPreferenceSummaryToValue(topic);
+        }
+
+        private void bindPreferenceSummaryToValue(Preference preference) {
+            preference.setOnPreferenceChangeListener(this);
+            SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(preference.getContext());
+            String preferenceString = preferences.getString(preference.getKey(), "");
+            onPreferenceChange(preference, preferenceString);
+        }
+
+        @Override
+        public boolean onPreferenceChange(Preference preference, Object value) {
+            String stringValue = value.toString();
+            if (preference instanceof ListPreference) {
+                ListPreference listPreference = (ListPreference) preference;
+                int prefIndex = listPreference.findIndexOfValue(stringValue);
+                if (prefIndex >= 0) {
+                    CharSequence[] labels = listPreference.getEntries();
+                    preference.setSummary(labels[prefIndex]);
+                }
+            } else {
+                preference.setSummary(stringValue);
+            }
+            return true;
+        }
+    }
+}

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <ListView
+        android:id="@+id/list"
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:divider="@null"
+        android:dividerHeight="0dp" />
+    <TextView
+        android:id="@+id/empty_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:textAppearance="?android:textAppearanceMedium" />
+    <ProgressBar
+        android:id="@+id/progress_bar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:textAppearance="?android:textAppearanceMedium"/>
+</RelativeLayout>

app/src/main/res/layout/list_item.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="?android:attr/listPreferredItemHeight"
+    android:orientation="vertical"
+    android:paddingEnd="6dp"
+    android:paddingLeft="6dp"
+    android:paddingRight="6dp"
+    android:paddingStart="6dp">
+    <TextView
+        android:id="@+id/title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:textSize="16sp"
+        android:textColor="@android:color/black"
+        android:gravity="top"
+        android:maxLines="2"
+        android:text="breaking news: something normal happens somewhere"/>
+
+    <TextView
+        android:id="@+id/section"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textStyle="italic"
+        android:textSize="12sp"
+        android:text="Section"
+        android:layout_marginRight="8dp"/>
+
+
+</LinearLayout>

app/src/main/res/layout/settings_activity.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<fragment
+    android:name="com.example.h_mal.newsapp.SettingsActivity$NewsPreferenceFragment"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.example.h_mal.newsapp.SettingsActivity">
+</fragment>

app/src/main/res/menu/main.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:context="com.example.h_mal.newsapp.MainActivity">
+    <item
+        android:id="@+id/action_settings"
+        android:title="Settings"
+        android:icon="@drawable/ic_filter"
+        android:orderInCategory="1"
+        app:showAsAction="ifRoom" />
+</menu>

app/src/main/res/values-w820dp/dimens.xml

@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

app/src/main/res/values/array.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string-array name="settings_order_by_labels">
+        <item>Debate</item>
+        <item>Economy</item>
+        <item>Immigration</item>
+        <item>Education</item>
+    </string-array>
+    <string-array name="settings_order_by_values">
+        <item>debate</item>
+        <item>economy</item>
+        <item>immigration</item>
+        <item>education</item>
+    </string-array>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">News app</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

app/src/main/res/xml/settings_main.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:title="Settings">
+
+    <EditTextPreference
+        android:defaultValue="debate"
+        android:inputType="text"
+        android:key="defaultNews"
+        android:selectAllOnFocus="true"
+        android:title="Search Term" />
+
+</PreferenceScreen>

app/src/test/java/com/example/h_mal/newsapp/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.example.h_mal.newsapp;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}