From 0d01d62f115ca0201f50a0c149435575ccd03371 Mon Sep 17 00:00:00 2001
From: Florian Staine <florian.staine@utbm.fr>
Date: Mon, 5 Jun 2017 15:29:51 +0200
Subject: [PATCH] Periodic HTTP request

---
 app/build.gradle                                                              |  1 +
 app/src/main/AndroidManifest.xml                                              |  1 +
 app/src/main/java/fr/utbm/lo53/p2017/positionningapp/PositioningActivity.java | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 app/src/main/res/layout/content_positioning.xml                               |  7 +++++++
 4 files changed, 63 insertions(+), 0 deletions(-)

diff --git a/app/build.gradle b/app/build.gradle
index 6ea9c68..68f42f1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -30,5 +30,6 @@ dependencies {
     compile 'com.android.support:design:25.3.1'
     compile 'com.android.support:support-v4:25.3.1'
     compile 'com.android.support:support-vector-drawable:25.3.1'
+    compile 'com.android.volley:volley:1.0.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c02bd5e..d72be55 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="fr.utbm.lo53.p2017.positionningapp">
 
+    <uses-permission android:name="android.permission.INTERNET" />
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
diff --git a/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/PositioningActivity.java b/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/PositioningActivity.java
index 407373b..01f8a27 100644
--- a/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/PositioningActivity.java
+++ b/app/src/main/java/fr/utbm/lo53/p2017/positionningapp/PositioningActivity.java
@@ -1,8 +1,10 @@
 package fr.utbm.lo53.p2017.positionningapp;
 
 import android.os.Bundle;
+import android.os.Handler;
 import android.support.constraint.ConstraintLayout;
 import android.support.v7.widget.Toolbar;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
@@ -10,14 +12,55 @@ import android.view.animation.AccelerateInterpolator;
 import android.view.animation.AlphaAnimation;
 import android.view.animation.Animation;
 import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.android.volley.Request;
+import com.android.volley.RequestQueue;
+import com.android.volley.Response;
+import com.android.volley.VolleyError;
+import com.android.volley.toolbox.StringRequest;
+import com.android.volley.toolbox.Volley;
 
 public class PositioningActivity extends BaseActivity {
 
     private static final String TAG = "PositioningActivity";
 
     private ConstraintLayout start_layout;
+    private TextView textView;
+
     private Animation hideAnimation;
 
+    // Instantiate the RequestQueue.
+    private RequestQueue queue;
+
+    private String url = "http://www.google.com";
+
+    // Request a string response from the provided URL.
+    private StringRequest stringRequest = new StringRequest(Request.Method.GET, url,
+            new Response.Listener<String>() {
+                @Override
+                public void onResponse(String response) {
+                    // Display the first 500 characters of the response string.
+                    textView.setText("Response is: "+ response.substring(0,500));
+                }
+            }, new Response.ErrorListener() {
+        @Override
+        public void onErrorResponse(VolleyError error) {
+            Log.d(TAG, error.getCause().toString());
+            textView.clearComposingText();
+        }
+    });
+
+    private final Handler handler = new Handler();
+    private final Runnable runnable = new Runnable() {
+        @Override
+        public void run() {
+            // Add the request to the RequestQueue.
+            queue.add(stringRequest);
+            handler.postDelayed(this, 1000);
+        }
+    };
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -27,6 +70,16 @@ public class PositioningActivity extends BaseActivity {
 
         start_layout = (ConstraintLayout) findViewById(R.id.start_layout);
         hideAnimation = createFadeOutAndHideAnimation();
+
+        textView = (TextView) findViewById(R.id.ID_yolo);
+
+        queue = Volley.newRequestQueue(this);
+    }
+
+    @Override
+    protected void onDestroy() {
+        handler.removeCallbacks(runnable);
+        super.onDestroy();
     }
 
     @Override
@@ -39,6 +92,7 @@ public class PositioningActivity extends BaseActivity {
 
     public void startLocating(View v) {
         start_layout.startAnimation(hideAnimation);
+        handler.post(runnable);
     }
 
     private Animation createFadeOutAndHideAnimation() {
diff --git a/app/src/main/res/layout/content_positioning.xml b/app/src/main/res/layout/content_positioning.xml
index a6c36d6..42aeb62 100644
--- a/app/src/main/res/layout/content_positioning.xml
+++ b/app/src/main/res/layout/content_positioning.xml
@@ -23,6 +23,13 @@
         android:layout_marginStart="8dp"
         android:layout_marginEnd="8dp" />
 
+    <TextView
+        android:id="@+id/ID_yolo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="TextView"
+        android:textAppearance="@style/TextAppearance.AppCompat.Medium" />
+
     <android.support.constraint.ConstraintLayout
         android:id="@+id/start_layout"
         android:layout_width="0dp"
--
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