├── .gitignore
├── AndroidManifest.xml
├── README.md
├── ic_launcher-web.png
├── libs
    └── android-support-v4.jar
├── proguard-project.txt
├── project.properties
├── res
    ├── drawable-hdpi
    │   └── ic_launcher.png
    ├── drawable-mdpi
    │   └── ic_launcher.png
    ├── drawable-xhdpi
    │   └── ic_launcher.png
    ├── drawable-xxhdpi
    │   └── ic_launcher.png
    ├── layout
    │   ├── activity_main.xml
    │   └── activity_tag_details.xml
    ├── menu
    │   └── main.xml
    ├── values-sw600dp
    │   └── dimens.xml
    ├── values-sw720dp-land
    │   └── dimens.xml
    ├── values-v11
    │   └── styles.xml
    ├── values-v14
    │   └── styles.xml
    └── values
    │   ├── dimens.xml
    │   ├── strings.xml
    │   └── styles.xml
└── src
    └── com
        └── sourabhsoni
            └── hashtags
                ├── MainActivity.java
                ├── TagDetailsActivity.java
                └── TagProvider.java


/.gitignore:
--------------------------------------------------------------------------------
 1 | # built application files
 2 | *.apk
 3 | *.ap_
 4 | 
 5 | # files for the dex VM
 6 | *.dex
 7 | 
 8 | # Java class files
 9 | *.class
10 | 
11 | # generated files
12 | bin/
13 | gen/
14 | 
15 | # Local configuration file (sdk path, etc)
16 | local.properties
17 | 
18 | # Eclipse project files
19 | .classpath
20 | .project
21 | 


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/AndroidManifest.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.sourabhsoni.hashtags"
 4 |     android:versionCode="1"
 5 |     android:versionName="1.0" >
 6 | 
 7 |     <uses-sdk
 8 |         android:minSdkVersion="8"
 9 |         android:targetSdkVersion="17" />
10 | 
11 |     <application
12 |         android:allowBackup="true"
13 |         android:icon="@drawable/ic_launcher"
14 |         android:label="@string/app_name"
15 |         android:theme="@style/AppTheme" >
16 | 		<provider
17 |             android:name="com.sourabhsoni.hashtags.TagProvider"
18 |             android:authorities="com.sourabhsoni.hashtags.tagdetailsactivity" />
19 |         <activity
20 |             android:name="com.sourabhsoni.hashtags.MainActivity"
21 |             android:label="@string/app_name" >
22 |             <intent-filter>
23 |                 <action android:name="android.intent.action.MAIN" />
24 | 
25 |                 <category android:name="android.intent.category.LAUNCHER" />
26 |             </intent-filter>
27 |         </activity>
28 |         <activity android:name=".TagDetailsActivity"
29 |             android:label = "@string/app_name">
30 |             <intent-filter >
31 |             <action android:name="android.intent.action.VIEW" />
32 |                 <category android:name="android.intent.category.DEFAULT" />
33 |                 <data android:mimeType="vnd.android.cursor.item/vnd.cc.tag" />
34 |                </intent-filter> 
35 |         </activity>
36 |     </application>
37 | 
38 | </manifest>


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/README.md:
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1 | HashTagsAndroid
2 | ===============
3 | 
4 | This is a sample project that implements hashtags in android.
5 | 
6 | Jump to http://goo.gl/Ojfzkx for complete tutorial.
7 | 


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/ic_launcher-web.png:
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https://raw.githubusercontent.com/sourabh86/HashTagsAndroid/7268f73831d533a539834d9e1a422412102f618f/ic_launcher-web.png


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/libs/android-support-v4.jar:
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https://raw.githubusercontent.com/sourabh86/HashTagsAndroid/7268f73831d533a539834d9e1a422412102f618f/libs/android-support-v4.jar


--------------------------------------------------------------------------------
/proguard-project.txt:
--------------------------------------------------------------------------------
 1 | # To enable ProGuard in your project, edit project.properties
 2 | # to define the proguard.config property as described in that file.
 3 | #
 4 | # Add project specific ProGuard rules here.
 5 | # By default, the flags in this file are appended to flags specified
 6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt
 7 | # You can edit the include path and order by changing the ProGuard
 8 | # include property in project.properties.
 9 | #
10 | # For more details, see
11 | #   http://developer.android.com/guide/developing/tools/proguard.html
12 | 
13 | # Add any project specific keep options here:
14 | 
15 | # If your project uses WebView with JS, uncomment the following
16 | # and specify the fully qualified class name to the JavaScript interface
17 | # class:
18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
19 | #   public *;
20 | #}
21 | 


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/project.properties:
--------------------------------------------------------------------------------
 1 | # This file is automatically generated by Android Tools.
 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
 3 | #
 4 | # This file must be checked in Version Control Systems.
 5 | #
 6 | # To customize properties used by the Ant build system edit
 7 | # "ant.properties", and override values to adapt the script to your
 8 | # project structure.
 9 | #
10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
12 | 
13 | # Project target.
14 | target=android-17
15 | 


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/res/drawable-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/sourabh86/HashTagsAndroid/7268f73831d533a539834d9e1a422412102f618f/res/drawable-hdpi/ic_launcher.png


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/res/drawable-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/sourabh86/HashTagsAndroid/7268f73831d533a539834d9e1a422412102f618f/res/drawable-mdpi/ic_launcher.png


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/res/drawable-xhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/sourabh86/HashTagsAndroid/7268f73831d533a539834d9e1a422412102f618f/res/drawable-xhdpi/ic_launcher.png


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/res/drawable-xxhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/sourabh86/HashTagsAndroid/7268f73831d533a539834d9e1a422412102f618f/res/drawable-xxhdpi/ic_launcher.png


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/res/layout/activity_main.xml:
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 1 | <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:paddingBottom="@dimen/activity_vertical_margin"
 6 |     android:paddingLeft="@dimen/activity_horizontal_margin"
 7 |     android:paddingRight="@dimen/activity_horizontal_margin"
 8 |     android:paddingTop="@dimen/activity_vertical_margin"
 9 |     tools:context=".MainActivity" >
10 | 
11 |     <EditText
12 |         android:id="@+id/messageEditText"
13 |         android:layout_width="wrap_content"
14 |         android:layout_height="wrap_content"
15 |         android:layout_alignParentLeft="true"
16 |         android:layout_alignParentTop="true"
17 |         android:hint="Enter your message"
18 |         android:ems="10" >
19 |         <requestFocus />
20 |     </EditText>
21 |     
22 |     <Button
23 |         android:id="@+id/addButton"
24 |         style="?android:attr/buttonStyleSmall"
25 |         android:layout_width="wrap_content"
26 |         android:layout_height="wrap_content"
27 |         android:layout_alignBottom="@+id/messageEditText"
28 |         android:layout_alignParentRight="true"
29 |         android:layout_marginRight="15dp"
30 |         android:text="Add" />
31 | 
32 |     <ListView
33 |         android:id="@+id/messagesListView"
34 |         android:layout_width="match_parent"
35 |         android:layout_height="wrap_content"
36 |         android:layout_below="@+id/addButton" >
37 |     </ListView>
38 | 
39 | </RelativeLayout>
40 | 


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/res/layout/activity_tag_details.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:orientation="vertical" >
 6 | 
 7 |     <ListView
 8 |         android:id="@+id/messagesWithTag"
 9 |         android:layout_width="match_parent"
10 |         android:layout_height="wrap_content" >
11 |     </ListView>
12 | 
13 | </LinearLayout>
14 | 


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/res/menu/main.xml:
--------------------------------------------------------------------------------
 1 | <menu xmlns:android="http://schemas.android.com/apk/res/android" >
 2 | 
 3 |     <item
 4 |         android:id="@+id/action_settings"
 5 |         android:orderInCategory="100"
 6 |         android:showAsAction="never"
 7 |         android:title="@string/action_settings"/>
 8 | 
 9 | </menu>
10 | 


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/res/values-sw600dp/dimens.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 | 
3 |     <!--
4 |          Customize dimensions originally defined in res/values/dimens.xml (such as
5 |          screen margins) for sw600dp devices (e.g. 7" tablets) here.
6 |     -->
7 | 
8 | </resources>
9 | 


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/res/values-sw720dp-land/dimens.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |          Customize dimensions originally defined in res/values/dimens.xml (such as
 5 |          screen margins) for sw720dp devices (e.g. 10" tablets) in landscape here.
 6 |     -->
 7 |     <dimen name="activity_horizontal_margin">128dp</dimen>
 8 | 
 9 | </resources>
10 | 


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/res/values-v11/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme for API 11+. This theme completely replaces
 5 |         AppBaseTheme from res/values/styles.xml on API 11+ devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme.Holo.Light">
 8 |         <!-- API 11 theme customizations can go here. -->
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/res/values-v14/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme for API 14+. This theme completely replaces
 5 |         AppBaseTheme from BOTH res/values/styles.xml and
 6 |         res/values-v11/styles.xml on API 14+ devices.
 7 |     -->
 8 |     <style name="AppBaseTheme" parent="android:Theme.Holo.Light.DarkActionBar">
 9 |         <!-- API 14 theme customizations can go here. -->
10 |     </style>
11 | 
12 | </resources>
13 | 


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/res/values/dimens.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 | 
3 |     <!-- Default screen margins, per the Android Design guidelines. -->
4 |     <dimen name="activity_horizontal_margin">16dp</dimen>
5 |     <dimen name="activity_vertical_margin">16dp</dimen>
6 | 
7 | </resources>
8 | 


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/res/values/strings.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 | 
4 |     <string name="app_name">HashTags</string>
5 |     <string name="action_settings">Settings</string>
6 |     <string name="hello_world">Hello world!</string>
7 | 
8 | </resources>
9 | 


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/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme, dependent on API level. This theme is replaced
 5 |         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme.Light">
 8 |         <!--
 9 |             Theme customizations available in newer API levels can go in
10 |             res/values-vXX/styles.xml, while customizations related to
11 |             backward-compatibility can go here.
12 |         -->
13 |     </style>
14 | 
15 |     <!-- Application theme. -->
16 |     <style name="AppTheme" parent="AppBaseTheme">
17 |         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
18 |     </style>
19 | 
20 | </resources>
21 | 


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/src/com/sourabhsoni/hashtags/MainActivity.java:
--------------------------------------------------------------------------------
 1 | package com.sourabhsoni.hashtags;
 2 | 
 3 | import java.util.ArrayList;
 4 | import java.util.regex.Pattern;
 5 | 
 6 | import android.app.Activity;
 7 | import android.os.Bundle;
 8 | import android.text.util.Linkify;
 9 | import android.view.Menu;
10 | import android.view.View;
11 | import android.view.ViewGroup;
12 | import android.view.View.OnClickListener;
13 | import android.widget.ArrayAdapter;
14 | import android.widget.Button;
15 | import android.widget.EditText;
16 | import android.widget.ListView;
17 | import android.widget.TextView;
18 | 
19 | public class MainActivity extends Activity {
20 | 
21 | 	//public static variable for demo purpose
22 | 	//we'll use this ArrayList in other activity
23 | 	public static ArrayList<String> messagesList=new ArrayList<String>();
24 | 	private ArrayAdapter<String> adapter;
25 | 	private ListView messagesListView;
26 | 	private EditText messageEditText;
27 | 	private Button addButton;
28 | 	
29 | 
30 | 	@Override
31 | 	protected void onCreate(Bundle savedInstanceState) {
32 | 		super.onCreate(savedInstanceState);
33 | 		setContentView(R.layout.activity_main);
34 | 		
35 | 		//initialize variables
36 | 		messagesListView = (ListView)findViewById(R.id.messagesListView);
37 | 		messageEditText = (EditText)findViewById(R.id.messageEditText);
38 | 		addButton = (Button)findViewById(R.id.addButton);
39 | 
40 | 		//Extend an ArrayAdapter so that we can make 
41 | 		//our TextView HashTag compatible 
42 | 		adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,
43 | 				messagesList){
44 | 			@Override
45 | 			public View getView(int position, View convertView, ViewGroup parent) {
46 | 				TextView hashView;
47 | 				if (convertView == null) {
48 | 					hashView = new TextView(MainActivity.this);
49 | 				} else 
50 | 					hashView = (TextView) convertView;
51 | 				
52 | 				//Get the message from list and set as text
53 | 				String message = messagesList.get(position);
54 | 				hashView.setText(message);
55 | 				
56 | 				//Pattern to find if there's a hash tag in the message
57 | 				//i.e. any word starting with a # and containing letter or numbers or _
58 | 				Pattern tagMatcher = Pattern.compile("[#]+[A-Za-z0-9-_]+\\b");
59 | 				
60 | 				//Scheme for Linkify, when a word matched tagMatcher pattern,
61 | 				//that word is appended to this URL and used as content URI
62 | 		        String newActivityURL = "content://com.sourabhsoni.hashtags.tagdetailsactivity/";
63 | 		        
64 | 		        //Attach Linkify to TextView
65 | 		        Linkify.addLinks(hashView, tagMatcher, newActivityURL);
66 | 				
67 | 				return hashView;
68 | 			}
69 | 		};
70 | 		
71 | 		//assign custom adapter to messages listview
72 | 		messagesListView.setAdapter(adapter);
73 | 
74 | 		//Add text from EditText to our messages list on button click
75 | 		addButton.setOnClickListener(new OnClickListener() {
76 | 			@Override
77 | 			public void onClick(View arg0) {
78 | 				String message = messageEditText.getText().toString();
79 | 				if(message.trim()!="")
80 | 				{
81 | 					messagesList.add(0,message);
82 | 					adapter.notifyDataSetChanged();
83 | 					messageEditText.setText("");
84 | 				}
85 | 			}
86 | 		});
87 | 	}
88 | 
89 | 	@Override
90 | 	public boolean onCreateOptionsMenu(Menu menu) {
91 | 		// Inflate the menu; this adds items to the action bar if it is present.
92 | 		getMenuInflater().inflate(R.menu.main, menu);
93 | 		return true;
94 | 	}
95 | 
96 | }
97 | 


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/src/com/sourabhsoni/hashtags/TagDetailsActivity.java:
--------------------------------------------------------------------------------
 1 | package com.sourabhsoni.hashtags;
 2 | 
 3 | import java.util.ArrayList;
 4 | 
 5 | import android.app.Activity;
 6 | import android.net.Uri;
 7 | import android.os.Bundle;
 8 | import android.widget.ArrayAdapter;
 9 | import android.widget.ListView;
10 | 
11 | public class TagDetailsActivity extends Activity {
12 | 	
13 | 	//List to store messages that contain clicked Tag.
14 | 	private ArrayList<String> messagesWithTag;
15 | 	
16 | 	@Override
17 |     public void onCreate(Bundle savedInstanceState) {
18 |         super.onCreate(savedInstanceState);
19 |         setContentView(R.layout.activity_tag_details);
20 |         
21 |         messagesWithTag=new ArrayList<String>();
22 |         ListView messagesListView=(ListView)findViewById(R.id.messagesWithTag);
23 |         
24 |         //Get the content URI
25 |         Uri uri = getIntent().getData();
26 |         //strip off hashtag from the URI
27 |         String tag=uri.toString().split("/")[3];
28 |         
29 |         //Iterate through all the messages and find the ones
30 |         //which contain this hashtag.
31 |         for(String message:MainActivity.messagesList)
32 |         {
33 |         	if(message.contains(tag))
34 |         	{
35 |         		messagesWithTag.add(message);
36 |         	}
37 |         }
38 |         
39 |         //Show the list of messages which has the hashtag
40 |         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, messagesWithTag);
41 |         messagesListView.setAdapter(adapter);
42 |         
43 | 	}
44 | 
45 | }
46 | 


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/src/com/sourabhsoni/hashtags/TagProvider.java:
--------------------------------------------------------------------------------
 1 | package com.sourabhsoni.hashtags;
 2 | 
 3 | import android.content.ContentProvider;
 4 | import android.content.ContentValues;
 5 | import android.database.Cursor;
 6 | import android.net.Uri;
 7 | 
 8 | public class TagProvider extends ContentProvider {
 9 | 
10 | 	@Override
11 | 	public int delete(Uri arg0, String arg1, String[] arg2) {
12 | 		// TODO Auto-generated method stub
13 | 		return 0;
14 | 	}
15 | 
16 | 	@Override
17 | 	public String getType(Uri arg0) {
18 | 		return "vnd.android.cursor.item/vnd.cc.tag";
19 | 	}
20 | 
21 | 	@Override
22 | 	public Uri insert(Uri arg0, ContentValues arg1) {
23 | 		// TODO Auto-generated method stub
24 | 		return null;
25 | 	}
26 | 
27 | 	@Override
28 | 	public boolean onCreate() {
29 | 		// TODO Auto-generated method stub
30 | 		return false;
31 | 	}
32 | 
33 | 	@Override
34 | 	public Cursor query(Uri arg0, String[] arg1, String arg2, String[] arg3,
35 | 			String arg4) {
36 | 		// TODO Auto-generated method stub
37 | 		return null;
38 | 	}
39 | 
40 | 	@Override
41 | 	public int update(Uri arg0, ContentValues arg1, String arg2, String[] arg3) {
42 | 		// TODO Auto-generated method stub
43 | 		return 0;
44 | 	}
45 | 
46 | }
47 | 


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