Initial TweetListActivity commit

HW5/AndroidManifest.xml

@@ -7,7 +7,8 @@
     <uses-sdk
         android:minSdkVersion="12"
         android:targetSdkVersion="18" />
-    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <uses-permission android:name="android.permission.INTERNET" />
 
     <application
         android:allowBackup="true"
@@ -23,6 +24,10 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name="edu.uncc.itcs4180.hw5.TweetsListActivity"
+            android:label="@string/title_activity_tweets_list" >
+        </activity>
     </application>
 
 </manifest>

HW5/res/layout/activity_tweets_list.xml

@@ -0,0 +1,19 @@
+<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=".TweetsListActivity" >
+
+    <ListView
+        android:id="@+id/listTweetList"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentTop="true" >
+    </ListView>
+
+</RelativeLayout>

HW5/res/layout/tweet_list.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/RelativeLayout1"
+    android:layout_width="30dp"
+    android:layout_height="match_parent"
+    android:columnCount="2"
+    android:orientation="vertical" >
+
+    <ImageView
+        android:id="@+id/imgProfileImage"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentTop="true"
+        android:src="@drawable/ic_launcher" />
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:layout_toLeftOf="@+id/imageView1"
+        android:layout_alignParentTop="true"
+        android:orientation="vertical" >
+
+        <TextView
+            android:id="@+id/txtTweetText"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="TextView" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" >
+
+            <TextView
+                android:id="@+id/txtTweetInfo"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="TextView" />
+
+            <ImageView
+                android:id="@+id/imgIsRetweet"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:src="@drawable/not_retweeted" />
+
+            <ImageButton
+                android:id="@+id/ibtnSaveTweet"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:onClick="onSaveTweet"
+                android:src="@drawable/add_bookmark" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</RelativeLayout>

HW5/res/menu/tweets_list.xml

@@ -0,0 +1,9 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/action_settings"/>
+
+</menu>

HW5/res/values/strings.xml

@@ -4,5 +4,6 @@
     <string name="app_name">HW5</string>
     <string name="action_settings">Settings</string>
     <string name="hello_world">Hello world!</string>
+    <string name="title_activity_tweets_list">TweetsListActivity</string>
 
 </resources>

HW5/src/edu/uncc/itcs4180/hw5/BitmapDownloader.java

@@ -0,0 +1,51 @@
+package edu.uncc.itcs4180.hw5;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.AsyncTask;
+import android.widget.ImageView;
+
+public class BitmapDownloader extends AsyncTask<String, Void, Void> {
+	ImageView iv;
+	Bitmap downloaded;
+	
+	public BitmapDownloader(ImageView iv) {
+		this.iv = iv;
+	}
+
+	@Override
+	protected Void doInBackground(String... params) {
+		downloaded = downloadBitmap(params[0]);
+		return null;
+	}
+
+	private Bitmap downloadBitmap(String sUrl) {
+		try {
+			URL url = new URL(sUrl);
+			HttpURLConnection con = (HttpURLConnection) url.openConnection();
+			con.connect();
+			if (con.getResponseCode() == 200) {
+				return BitmapFactory.decodeStream(con.getInputStream());
+			}
+		} catch (MalformedURLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		
+		return null;
+	}
+	
+	@Override
+	protected void onPostExecute(Void result) {
+		super.onPostExecute(result);
+		iv.setImageBitmap(downloaded);
+	}
+}

HW5/src/edu/uncc/itcs4180/hw5/MainActivity.java

@@ -9,6 +9,7 @@ import edu.uncc.itcs4180.hw5.twitter.TweetList;
 import edu.uncc.itcs4180.hw5.twitter.TwitterClient;
 import android.os.Bundle;
 import android.app.Activity;
+import android.content.Intent;
 import android.util.Log;
 import android.view.Menu;
 import android.view.View;
@@ -46,6 +47,19 @@ public class MainActivity extends Activity {
 		ListView feeds = (ListView)findViewById(R.id.listNewsFeeds);
 		ListAdapter adapter = new ArrayAdapter<String>(this, R.layout.news_site, R.id.txtSiteName, newsSitesTitles);
 		feeds.setAdapter(adapter);
+		feeds.setOnItemClickListener(new OnItemClickListener() {
+			@Override
+			public void onItemClick(AdapterView<?> parent, View view, int position,
+					long id) {
+				String key = ((TextView)view.findViewById(R.id.txtSiteName)).getText().toString();
+				String handle = newsSites.get(key);
+				// Shenanigans to get the parent instance
+				// http://stackoverflow.com/questions/2076037/inside-onclicklistener-i-cannot-access-a-lot-of-things-how-to-approach
+				Intent i = new Intent(MainActivity.this, TweetsListActivity.class);
+				i.putExtra("handle", handle);
+				startActivity(i);
+			}
+		});
 	}
 
 	@Override
@@ -64,16 +78,4 @@ public class MainActivity extends Activity {
 		Toast.makeText(this, "All Saved News are Cleared!", Toast.LENGTH_SHORT).show();
 	}
 	
-	private class FeedListener implements OnItemClickListener {
-
-		@Override
-		public void onItemClick(AdapterView<?> parent, View view, int position,
-				long id) {
-			String key = ((TextView)view.findViewById(R.id.txtSiteName)).getText().toString();
-			String handle = newsSites.get(key);
-			
-		}
-		
-	}
-
 }

HW5/src/edu/uncc/itcs4180/hw5/TweetListAdapter.java

@@ -0,0 +1,88 @@
+package edu.uncc.itcs4180.hw5;
+
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import org.apache.http.HttpConnection;
+
+import edu.uncc.itcs4180.hw5.twitter.Tweet;
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class TweetListAdapter extends ArrayAdapter<Tweet> {
+	private final int TWEET_TAG_KEY = 1337;
+	Activity activity;
+	Tweet[] tweets;
+	
+	public TweetListAdapter(Activity activity, Tweet[] tweets) {
+		super(activity, R.layout.tweet_list, tweets);
+	}
+	
+	@Override
+	public View getView(int position, View convertView, ViewGroup parent) {
+		View rowView = convertView;
+		TweetView tv = null;
+		Tweet tweet = tweets[position];
+		
+		if (rowView == null) {
+			// Inflate a new row
+			rowView = activity.getLayoutInflater().inflate(R.layout.tweet_list, null);
+			
+			tv = new TweetView();
+			tv.imgProfileImage = (ImageView) rowView.findViewById(R.id.imgProfileImage);
+			tv.txtTweetText = (TextView) rowView.findViewById(R.id.txtTweetText);
+			tv.txtTweetInfo = (TextView) rowView.findViewById(R.id.txtTweetInfo);
+			tv.imgIsRetweet = (ImageView) rowView.findViewById(R.id.imgIsRetweet);
+			tv.ibtnSaveTweet = (ImageButton) rowView.findViewById(R.id.ibtnSaveTweet);
+			
+			rowView.setTag(tv);
+			rowView.setTag(TWEET_TAG_KEY, tweet);
+		} else {
+			tv = (TweetView) rowView.getTag();
+		}
+		
+		// Add information to the current row
+		// Start up our BitmapDownloader - it will update the ImageView for us
+		new BitmapDownloader(tv.imgProfileImage).execute(tweet.getUser().getProfileImageUrl());
+		tv.txtTweetText.setText(tweet.getText());
+		tv.txtTweetInfo.setText(tweet.getDateCreated());
+		// Set the retweet image
+		if (tweet.isRetweet()) {
+			tv.imgIsRetweet.setImageDrawable(activity.getResources().getDrawable(R.drawable.retweeted));
+		}
+		// Save tweets when we are clicked
+		tv.ibtnSaveTweet.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				saveTweet((Tweet)v.getTag(TWEET_TAG_KEY));
+			}
+		});
+		
+		return rowView;
+	}
+	
+	protected static class TweetView {
+		ImageView imgProfileImage;
+		TextView txtTweetText;
+		TextView txtTweetInfo;
+		ImageView imgIsRetweet;
+		ImageButton ibtnSaveTweet;
+	}
+	
+	private void saveTweet(Tweet t) {
+		// TODO: Save tweets here.
+		Toast.makeText(activity, "Saved in DB!", Toast.LENGTH_SHORT).show();
+	}
+
+}

HW5/src/edu/uncc/itcs4180/hw5/TweetsListActivity.java

@@ -0,0 +1,53 @@
+package edu.uncc.itcs4180.hw5;
+
+import edu.uncc.itcs4180.hw5.twitter.TweetList;
+import edu.uncc.itcs4180.hw5.twitter.TwitterClient;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.util.Log;
+import android.view.Menu;
+
+public class TweetsListActivity extends Activity {
+	
+	ProgressDialog dialog;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_tweets_list);
+		
+		// Fetch our tweets
+		String handle = getIntent().getExtras().getString("handle");
+		
+		dialog = new ProgressDialog(this);
+		dialog.setCancelable(false);
+		dialog.setMessage("Downloading tweets for: " + handle);
+		dialog.show();
+		
+		// For whatever reason, we have to call the TwitterClient downloader ourselves.
+		// AsyncTask inside AsyncTask simply doesn't work. This leads to an ugly double-new,
+		// despite me trying to write a nice clean API.
+		// Also, totally didn't know Java syntax allowed me to do this.
+		new TwitterClient().new TweetListDownloader(){
+			@Override
+			protected void onPostExecute(TweetList result) {
+				displayTweets(result);
+				dialog.cancel();
+			};
+		}.execute(handle);
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		// Inflate the menu; this adds items to the action bar if it is present.
+		getMenuInflater().inflate(R.menu.tweets_list, menu);
+		return true;
+	}
+	
+	private void displayTweets(TweetList list) {
+		
+	}
+
+}

HW5/src/edu/uncc/itcs4180/hw5/twitter/Tweet.java

@@ -30,6 +30,9 @@ public class Tweet {
 	@SerializedName("user")
 	private TwitterUser user;
 	
+	@SerializedName("retweeted")
+	private boolean retweeted;
+
 	public String getDateCreated() {
 		return dateCreated;
 	}
@@ -86,6 +89,14 @@ public class Tweet {
 		return user;
 	}
 	
+	public boolean isRetweet() {
+		return retweeted;
+	}
+	
+	public void setRetweet(boolean retweeted) {
+		this.retweeted = retweeted;
+	}
+
 	@Override
 	public String toString() {
 		return getText();

HW5/src/edu/uncc/itcs4180/hw5/twitter/TwitterClient.java

@@ -47,7 +47,7 @@ public class TwitterClient {
 		return null;
 	}
 	
-	private class TweetListDownloader extends AsyncTask<String, Void, TweetList> {
+	public class TweetListDownloader extends AsyncTask<String, Void, TweetList> {
 
 		@Override
 		protected TweetList doInBackground(String... params) {

HW5/src/edu/uncc/itcs4180/hw5/twitter/TwitterUser.java

@@ -16,6 +16,9 @@ public class TwitterUser {
 	@SerializedName("profile_image_url")
 	private String profileImageUrl;
 	
+	@SerializedName("profile_background_image_url")
+	private String profileBackgroundImageUrl;
+
 	public String getProfileImageUrl() {
 		return profileImageUrl;
 	}
@@ -39,4 +42,12 @@ public class TwitterUser {
 	public void setName(String name) {
 		this.name = name;
 	}
+	
+	public String getProfileBackgroundImageUrl() {
+		return profileBackgroundImageUrl;
+	}
+	
+	public void setProfileBackgroundImageUrl(String profileBackgroundImageUrl) {
+		this.profileBackgroundImageUrl = profileBackgroundImageUrl;
+	}
 }