updated instructions for twitter4j level

Author: pocha

twitter-http-challenge/_real_twitter_with_twitter4j.html.md

@@ -6,9 +6,85 @@ So far, the challenge involved the usage of the Codelearn Twitter API, which pro
 
 Refer to the [Javadoc](http://twitter4j.org/en/javadoc.html) and [code examples](http://twitter4j.org/en/code-examples.html) provided by Twitter4J.
 
-###Tasks
-* Insert the relevant JAR files into your Eclipse project
-* Register at [dev.twitter.com](https://dev.twitter.com) and obtain consumer key and secret for your Twitter application.
-* Replace the existing HTTP network mechanisms for logging in, fetching tweets and submitting new tweets with the methods provided by Twitter4J.
+For using Twitter4J library, you need to register an app at [http://dev.twitter.com/apps](http://dev.twitter.com/apps). For your convenience, we have created an app & you can use the API key & secret (reproduced below). It is a good practice to create a separate class `TwitterConstants.java` and define these as static variables to be used in your app
 
+     public static String CONSUMER_KEY = "pC3D9eMxb8pXNAPhBHAQFYLoS";
+     public static String CONSUMER_SECRET = "8qhOLjLHiqLQJLLQUnBNSlnUoFtbLHjWQlnaxS5W3n6NkkUeOi";
 
+    
+### Tasks
+
+1)  Modify MainActivity.java to have only one 'Sign in with Twitter' button . Remove the LinearLayouts containing username & password fields. Hook up the button with Twitter4J so that the user gets redirected to Twitter for authentication.
+
+2) Our tests will not be access the webView & fill in the data. Our tests will be using @DroidChallenge user oAuth token to test your app. We need to mandate that you should store the token details in your app in **codelearn_twitter** SharedPreference with key **key_acc_token** for the token & **key_acc_token_secret** for the secret. We are simply going to write @DroidChallenge token values to these keys in the SharedPreference to test your app on our server.
+
+**P.S. - We will not get your twitter account token details this way & the app will not post as you when run on our server. Just pause & think for a minute if you do not get it.**
+
+It is a good practice to store these names in TwitterConstants.java
+
+`TwitterConstants.java`
+
+	public static final String SHARED_PREFERENCE = "codelearn_twitter";
+	public static final String PREF_KEY_TOKEN = "key_acc_token";
+	public static final String PREF_KEY_SECRET = "key_acc_token_secret"; 
+
+& use it where it is required 
+
+`MainActivity.java`
+
+	prefs = getSharedPreferences(TwitterConstants.SHARED_PREFERENCE, MODE_PRIVATE);
+	Editor editor = prefs.edit();
+	editor.putString(TwitterConstants.PREF_KEY_TOKEN, accessToken.getToken());
+	editor.putString(TwitterConstants.PREF_KEY_SECRET, accessToken.getTokenSecret());
+
+2) Once the user gets authenticated with Twitter, he should automatically go to TweetListActivity where he can see his tweets. Modify the logic so that **only new tweets are fetched & appended to the tweet list**.
+
+3) Create a new Activity **ComposeTweetActivity** to compose a tweet. Make sure to keep the name exactly the same, also the Activity should extend normal Activity & not ActionBarActivity. A corresponding layout file **activity_compose_tweet.xml** will get generated. Replace the content of the file with the content below
+
+
+	<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" >
+
+	    <EditText
+		android:id="@+id/fld_compose"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginLeft="5dp"
+		android:layout_marginRight="5dp"
+		android:layout_marginTop="15dp"
+		android:hint="@string/hint_new_tweet"
+		android:lines="5" />
+
+	    <TextView
+		android:id="@+id/char_count"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignLeft="@id/fld_compose"
+		android:layout_alignRight="@id/fld_compose"
+		android:layout_below="@id/fld_compose"
+		android:gravity="right" />
+
+	    <Button
+		android:id="@+id/btn_submit"
+		android:layout_width="290dp"
+		android:layout_height="wrap_content"
+		android:layout_below="@id/char_count"
+		android:layout_centerHorizontal="true"
+		android:layout_marginTop="15dp"
+		android:gravity="center"
+		android:text="@string/lbl_submit"
+		android:textSize="13sp"
+		android:textStyle="bold" />
+
+	</RelativeLayout>
+
+  
+  Add the logic to post the tweet on button click.
+
+4) Add a menu item on TweetListActivity to take user to ComposeTweetActivity**. Overall, there should only be two menu items - the first for Refresh of tweets, the second one for compose tweet.