Now you can display stats from the Web API

thinkingserious · Jan 4, 2014 · f8113af · f8113af
1 parent 2d6907e
commit f8113af
Show file tree

Hide file tree

Showing 5 changed files with 133 additions and 23 deletions.
diff --git a/.classpath b/.classpath
@@ -6,5 +6,6 @@
 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
 	<classpathentry kind="lib" path="libs/sendgrid-0.1.2-jar.jar"/>
+	<classpathentry kind="lib" path="libs/json-simple-1.1.1.jar"/>
 	<classpathentry kind="output" path="bin/classes"/>
 </classpath>
diff --git a/libs/json-simple-1.1.1.jar b/libs/json-simple-1.1.1.jar
diff --git a/res/layout/activity_display_message.xml b/res/layout/activity_display_message.xml
@@ -1,16 +1,24 @@
-<RelativeLayout 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"
-    android:paddingBottom="@dimen/activity_vertical_margin"
-    android:paddingLeft="@dimen/activity_horizontal_margin"
-    android:paddingRight="@dimen/activity_horizontal_margin"
-    android:paddingTop="@dimen/activity_vertical_margin"
-    tools:context=".DisplayMessageActivity" >
-
-    <TextView
+<?xml version="1.0" encoding="utf-8"?>  
+<ScrollView  
+    xmlns:android="http://schemas.android.com/apk/res/android"  
+    android:id="@+id/ScrollView02"  
+    android:layout_width="fill_parent"  
+    android:layout_height="wrap_content"  
+    android:scrollbars="vertical">  
+    <LinearLayout  
+        android:layout_width="fill_parent"  
+        android:orientation="vertical"  
+        android:layout_height="wrap_content">  
+
+    <TextView android:id="@+id/response"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/hello_world" />
-
-</RelativeLayout>
+
+    <TextView android:id="@+id/statistics"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/hello_world" />
+
+    </LinearLayout>  
+</ScrollView>  
diff --git a/src/com/thinkingserious/sendgrid/DisplayMessageActivity.java b/src/com/thinkingserious/sendgrid/DisplayMessageActivity.java
@@ -1,6 +1,20 @@
 package com.thinkingserious.sendgrid;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.concurrent.ExecutionException;
+
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+
 import com.thinkingserious.sendgrid.R;
+
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.app.Activity;
 import android.view.MenuItem;
@@ -11,9 +25,71 @@
 import android.content.Intent;
 import android.os.Build;
 
+import org.json.simple.JSONObject;
+import org.json.simple.JSONArray;
+import org.json.simple.parser.ParseException;
+import org.json.simple.parser.JSONParser;
+
 @SuppressLint("NewApi")
 public class DisplayMessageActivity extends Activity {
 
+
+	// Get statistics from SendGrid using the Web API, returns a JSON object as described in the URL below
+	// http://sendgrid.com/docs/API_Reference/Web_API/Statistics/index.html
+	class StatsFromSendGrid extends AsyncTask<String, Void, String> {
+
+		@Override
+		protected String doInBackground(String... params) {
+		    HttpClient httpclient = new DefaultHttpClient();
+		    Utils creds = new Utils();
+		    // Reference: http://sendgrid.com/docs/API_Reference/Web_API/Statistics/index.html
+		    String url = "https://api.sendgrid.com/api/stats.get.json?api_user=" + creds.getUsername() + "&api_key=" + creds.getPassword();
+		    // Prepare a request object
+		    HttpGet httpget = new HttpGet(url); 
+
+		    // Execute the request
+		    HttpResponse response = null;
+		    String result = null;
+		    try {
+		        response = httpclient.execute(httpget);
+		        HttpEntity entity = response.getEntity();
+		        InputStream instream = entity.getContent();
+	            result = convertStreamToString(instream);
+	            // now you have the string representation of the HTML request
+	            instream.close();
+		    } catch (Exception e) {}
+		    return result;
+		}
+
+		// Code taken from here: http://stackoverflow.com/questions/4457492/simple-http-client-example-in-android
+		private String convertStreamToString(InputStream is) {
+		    /*
+		     * To convert the InputStream to String we use the BufferedReader.readLine()
+		     * method. We iterate until the BufferedReader return null which means
+		     * there's no more data to read. Each line will appended to a StringBuilder
+		     * and returned as String.
+		     */
+		    BufferedReader reader = new BufferedReader(new InputStreamReader(is));
+		    StringBuilder sb = new StringBuilder();
+
+		    String line = null;
+		    try {
+		        while ((line = reader.readLine()) != null) {
+		            sb.append(line + "\n");
+		        }
+		    } catch (IOException e) {
+		        e.printStackTrace();
+		    } finally {
+		        try {
+		            is.close();
+		        } catch (IOException e) {
+		            e.printStackTrace();
+		        }
+		    }
+		    return sb.toString();
+		}
+	}
+
 	@SuppressLint("NewApi")
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
@@ -30,18 +106,43 @@ protected void onCreate(Bundle savedInstanceState) {
 		Intent intent = getIntent();
 		String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);
 
-		// TODO Parse the resulting JSON and display pretty printed messages
-		// TODO Add some data from the Statistics API
-		// Create the text view
-		TextView textView = new TextView(this);
-		textView.setTextSize(20);
-		textView.setText(message);
+		// Update the display with the response code from the mail end point
+		TextView testView = (TextView) findViewById(R.id.response);
+		message = "Email Send Status: " + message + "\n";
+		testView.setText(message);
 
-		// Set the text view as the activity layout
-		setContentView(textView);
+		// Get the stats from the SendGrid Web API
+		StatsFromSendGrid stats = new StatsFromSendGrid();
+		String result = null;
+		try {
+			result = stats.execute().get();
+		} catch (InterruptedException e) {
+			// TODO Implement exception handling
+			e.printStackTrace();
+		} catch (ExecutionException e) {
+			// TODO Implement exception handling
+			e.printStackTrace();
+		}
+
+		// Make the returned JSON readable
+		JSONParser parser=new JSONParser();
+		try{
+	         Object obj = parser.parse(result);
+	         JSONArray array = (JSONArray)obj;
+	         JSONObject obj2 = (JSONObject)array.get(0);
+	         result = "Requests: " + obj2.get("requests").toString();
+	         result = result + "\nDelivered: " + obj2.get("delivered").toString();
+	         result = result + "\nOpens: " + obj2.get("opens").toString();
+	      }catch(ParseException pe){
+	         result = pe.toString();
+	      }
+
+		// Update the display with data from the stats end point
+		testView = (TextView) findViewById(R.id.statistics);
+		testView.setText(result);
 
 	}
-
+	
 	/**
 	 * Set up the {@link android.app.ActionBar}, if the API is available.
 	 */

diff --git a/src/com/thinkingserious/sendgrid/MainActivity.java b/src/com/thinkingserious/sendgrid/MainActivity.java
@@ -40,7 +40,7 @@ protected String doInBackground(Hashtable<String,String>... params) {
 		}
 	}
 
-	/** Called when the user clicks the Send button **/
+	// Called when the user clicks the Send button
 	@SuppressWarnings("unchecked")
 	public void sendMessage(View view) {
 		Hashtable<String,String> params = new Hashtable<String,String>();