Android Jtwitter : Twitter Connect Tutorial

Now a days social networking websites like Twitter& are becoming very popular,so integrating Twitter with app has become a necessity to make your application popular. We are going to do the same through this tutorial. The Twitter Connect SDK provides code which third-party developers can embed into their applications to connect to their Twitter accounts and exchange information with Android apps. It’s a way of embedding “social context” to an Android app, according to Twitter.

Create a Viewbased Application with name ‘Twitter Android Prj’.

Follow the following steps:

• Download jtwitter.jar for Android
  http://www.winterwell.com/software/jtwitter.php
  • First you have to set up new Android project .
  • We have to add all JARs and Library files.
  • Import all files in the destination group folder.
  • To test import all JAR and library in case any miss.And compile.
• Create your twitter Acoount.
• Now Save project (Command +S). Build and Run Project.
• enter user name and password & Click on Log In Button.
• Initailly you will see the friends List.
• Click on Twit button and you can post new tweets in input dialog click ok to post .
• Click on Followers button and you eill see the list of followers.
• Click on Favorites button and you eill see the list of favorite tweets.

Description :

• Download jtwitter.jar
  • We have to add all JARs and Library files as below
    

    add_jar1

    

    add_jar2

  • Import all files destination group folder. It should also look as shown below
    

    ImportedLib

    [java]
    Append Following code in .xml file for UI Design
    
    [xml highlight="42,62"][/xml][/xml]
    <;?xml version="1.0" encoding="utf-8"?>
    
    <ImageView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:src="@drawable/logo1"
    android:layout_gravity="center_horizontal"
    android:layout_marginLeft="0dip"
    android:layout_marginTop="20dip"
    />
    
    <!-- Code For Login Name And Password  -->
    <FrameLayout
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="#fff"
    android:layout_marginTop="70dip">
    <TableLayout
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="center_vertical"
    android:gravity="center_horizontal"  >
    <TableRow
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">
    <TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="User Name"
    android:layout_marginLeft="40dip"
    android:textColor="#000"
    />
    <EditText
    android:layout_width="150dip"
    android:layout_height="wrap_content"
    android:layout_marginLeft="40dip"
    android:singleLine="true"
    android:id="@+id/main_username_edit_text"
    />
    </TableRow>
    
    <TableRow
    android:layout_width="fill_parent"
    android:layout_height="wrap_content">
    <TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Password"
    android:layout_marginLeft="40dip"
    android:textColor="#000"
    />
    <EditText
    android:layout_width="150dip"
    android:layout_height="wrap_content"
    android:layout_marginLeft="40dip"
    android:password="true"
    android:singleLine="true"
    android:id="@+id/main_password_edit_text"
    />
    </TableRow>
    
    </TableLayout>
    </FrameLayout>
    <Button
    android:layout_width="70dip"
    android:layout_height="wrap_content"
    android:text="Log In"
    android:id="@+id/main_loin_button"
    android:layout_marginTop="20dip"
    android:layout_marginLeft="130dip"
    />
    <!-- Code For Login Name And Password Ends -->
    </LinearLayout>
    [/java]

    Code Description :
    Login:

    [java language=""]
    my_twiter = new Twitter(userName,password);
    if(my_twiter == null){
    Toast.makeText(main.this, "Incorrect Login",
    Toast.LENGTH_LONG).show();
    }
    else {
    try {
    Log.v("Twitter Status :",my_twiter.getStatus()+"");
    Intent intent = new Intent(main.this,Twitter_Info_Activity.class);
    startActivity(intent);
    }catch(Exception e){
    e.printStackTrace();
    }
    }
    [/java]

    Tweet Button Click :

    [java language=""]
    setTitle("Tweet");
    AlertDialog.Builder inputDialog;
    inputDialog = new AlertDialog.Builder(Twitter_Info_Activity.this);
    inputDialog.setTitle("Enter Tweet");
    et_input = new EditText(Twitter_Info_Activity.this);
    et_input.setWidth(250);
    et_input.setHeight(30);
    inputDialog.setView(et_input);
    inputDialog.setPositiveButton("Ok",
    new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialog, int which) {
    // TODO Auto-generated method stub
    String txt_tweet= et_input.getText().toString();
    main.my_twiter.setStatus(txt_tweet);
    Toast.makeText(Twitter_Info_Activity.this,
    "Tweet Successful",
    Toast.LENGTH_LONG).show();
    }
    });
    inputDialog.setNegativeButton("Cancle",
    new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialog, int which) {
    // TODO Auto-generated method stub
    }
    });
    inputDialog.show();
    }
    [/java]

    Friends Button Click :

    [java language=""]
    setTitle("Friends");
    List<User> arr= main.my_twiter.getFriends();
    Object[] str=arr.toArray();
    String[] str1 = new String[str.length];
    for(int i=0;i<str.length;i++) {
    str1[i] = str[i].toString();
    }
    lst_myTwitts.setAdapter(new ArrayAdapter<String>(Twitter_Info_Activity.this,
    android.R.layout.simple_list_item_1, str1));
    [/java]

    Followers Button Click :

    [java language=""]
    setTitle("Followers");
    List<User> arr= main.my_twiter.getFollowers();
    Object[] str=arr.toArray();
    String[] str1 = new String[str.length];
    if(str1.length == 0) {
    Toast.makeText(Twitter_Info_Activity.this, "No Followers",
    Toast.LENGTH_LONG).show();
    }
    for(int i=0;i<str.length;i++) {
    str1[i] = str[i].toString();
    }
    lst_myTwitts.setAdapter(new ArrayAdapter<String>
    (Twitter_Info_Activity.this,
    android.R.layout.simple_list_item_1, str1));
    [/java]

    Favorite Button Click :

    [java language=""]
    setTitle("Favorites");
    List<Status> arr= main.my_twiter.getFavorites();
    Object[] str=arr.toArray();
    String[] str1 = new String[str.length];
    if(str1.length == 0) {
    Toast.makeText(Twitter_Info_Activity.this,
    "No Favorites", Toast.LENGTH_LONG).show();
    }
    for(int i=0;i<str.length;i++) {
    str1[i] = str[i].toString();
    }
    lst_myTwitts.setAdapter(new ArrayAdapter<String>(Twitter_Info_Activity.this,
    android.R.layout.simple_list_item_1, str1));
    [/java]

     

    [java][/java]

  • Now Save project (Command +S). Build and Run Project.

  Simulator will look like as follows

  • Login Screen : enter your twitter user name and password
    
    

    LoginScreen

  • Friends Screen : shows your friends list.
    
    

    FriendsList

  • Tweet : Click on Tweet Button
    
    

    TweetClick

    Input Dialog will appear.
    
    

    TweetDialog

    Enter The Text in the dialogBox and click on Ok.
    
    

    TweetMessage

    it will show the message the tweet is successful.
    
    

    SuccessfulTweet

    The message will look something like this
    
    

    TwitterUpdate

  • Followers Screen : shows the list of followers.
    
    

    FollowersList

  • Favorite Screen : shows the fovorite tweets.
    
    

    FavoriteList