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author
Sébastien Vitard
committed
Step-1 finished
1 parent d0e1f5a commit dfcb00c

7 files changed

Lines changed: 141 additions & 19 deletions

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‎app/build.gradle‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -19,5 +19,5 @@ android {
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dependencies {
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compile 'com.android.support:appcompat-v7:26.1.0'
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// TODO: add volley library 'com.android.volley:volley:1.0.0'
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compile 'com.android.volley:volley:1.0.0'
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}

‎app/src/main/AndroidManifest.xml‎

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Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="io.kristal.events">
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<!-- TODO: add Internet permission -->
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<uses-permission android:name="android.permission.INTERNET" />
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<application
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android:allowBackup="true"

‎app/src/main/java/io/kristal/events/main/MainActivity.java‎

Lines changed: 46 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,17 @@
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.util.Log;
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import android.widget.ListView;
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import android.widget.Toast;
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import com.android.volley.RequestQueue;
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import com.android.volley.Response;
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import com.android.volley.VolleyError;
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import com.android.volley.toolbox.JsonArrayRequest;
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import com.android.volley.toolbox.Volley;
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import org.json.JSONArray;
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import java.util.ArrayList;
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@@ -13,15 +24,19 @@ public final class MainActivity extends AppCompatActivity {
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private static String TAG = MainActivity.class.getSimpleName();
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private MainAdapter mAdapter;
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private RequestQueue mRequestQueue;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// TODO: init adapter with Constructor(Context, ResId, ResId)
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mAdapter = new MainAdapter(this, R.layout.row_main, R.id.text_title);
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setContentView(R.layout.activity_main);
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// TODO: retrieve ListView & set adapter
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ListView listView = findViewById(android.R.id.list);
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listView.setAdapter(mAdapter);
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if (savedInstanceState == null) {
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reset();
@@ -32,12 +47,38 @@ protected void onCreate(Bundle savedInstanceState) {
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}
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private void reset() {
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// TODO: init RequestQueue if null, then add request to "http://cobaltians.org/events.json",
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// save events with `EventsList.setAll(Context, JSONArray)` & call `reload()` method
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if (mRequestQueue == null) {
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mRequestQueue = Volley.newRequestQueue(getApplicationContext());
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}
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mRequestQueue.add(new JsonArrayRequest("http://cobaltians.org/events.json",
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new Response.Listener<JSONArray>() {
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@Override
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public void onResponse(JSONArray response) {
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EventsList.setAll(MainActivity.this, response);
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reload();
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Toast.makeText(MainActivity.this, R.string.reset_success,
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Toast.LENGTH_LONG).show();
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}
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},
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new Response.ErrorListener() {
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@Override
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public void onErrorResponse(VolleyError error) {
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Toast.makeText(MainActivity.this, R.string.reset_error,
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Toast.LENGTH_LONG).show();
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Log.e(TAG, "reset: " + error.getMessage());
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error.printStackTrace();
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}
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}));
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}
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private void reload() {
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ArrayList<Event> events = EventsList.getAll();
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// TODO: reload adapter data
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if (! mAdapter.isEmpty()) {
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mAdapter.clear();
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}
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mAdapter.addAll(events);
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}
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}

‎app/src/main/java/io/kristal/events/main/MainAdapter.java‎

Lines changed: 46 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,46 @@
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package io.kristal.events.main;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.TextView;
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import java.text.DateFormat;
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import io.kristal.events.R;
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import io.kristal.events.model.Event;
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/**
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* Created by sebastien on 10/01/2018.
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*/
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final class MainAdapter extends ArrayAdapter<Event> {
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private static DateFormat sDateFormat = DateFormat.getDateInstance(DateFormat.SHORT);
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MainAdapter(@NonNull Context context, int resource, int textViewResourceId) {
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super(context, resource, textViewResourceId);
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}
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@NonNull
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@Override
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public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
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View view = super.getView(position, convertView, parent);
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TextView titleTextView = view.findViewById(R.id.text_title);
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TextView placeTextView = view.findViewById(R.id.text_place);
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TextView dateTextView = view.findViewById(R.id.text_date);
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Event event = getItem(position);
38+
if (event != null) {
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titleTextView.setText(event.getTitle());
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placeTextView.setText(event.getPlace());
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dateTextView.setText(sDateFormat.format(event.getDate()));
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}
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return view;
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}
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}

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

Lines changed: 3 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -1,15 +1,7 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!-- TODO: replace with ListView -->
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<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
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<ListView xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:id="@android:id/list"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
7-
tools:context=".main.MainActivity">
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9-
<TextView
10-
android:layout_width="wrap_content"
11-
android:layout_height="wrap_content"
12-
android:layout_gravity="center"
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android:text="@string/hello_world" />
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</FrameLayout>
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tools:context=".main.MainActivity"/>

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

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,38 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:padding="8dp"
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android:weightSum="1.0"
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tools:context=".main.MainActivity">
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<LinearLayout
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1.0"
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android:orientation="vertical">
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<TextView
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android:id="@+id/text_title"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
20+
android:textStyle="bold"
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android:text="@string/row_title_placeholder" />
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23+
<TextView
24+
android:id="@+id/text_place"
25+
android:layout_width="match_parent"
26+
android:layout_height="wrap_content"
27+
android:text="@string/row_place_placeholder" />
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29+
</LinearLayout>
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31+
<TextView
32+
android:id="@+id/text_date"
33+
android:layout_width="wrap_content"
34+
android:layout_height="wrap_content"
35+
android:layout_gravity="center_vertical"
36+
android:text="@string/row_date_placeholder" />
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38+
</LinearLayout>

‎app/src/main/res/values/strings.xml‎

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,11 @@
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<string name="app_label">Events</string>
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<string name="hello_world">Hello World</string>
55

6-
<!-- TODO: Add reset_success/error, row_title/date/place_placeholder strings -->
6+
<string name="reset_success">Events reset</string>
7+
<string name="reset_error">Error while retrieving default events</string>
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<string name="row_title_placeholder">Turing birthday</string>
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<string name="row_date_placeholder">06/23/1912</string>
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<string name="row_place_placeholder">London</string>
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</resources>

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