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Stephen Dimmick
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Chats are kinda working, but only first message
I'm able to connect to my Firebase and send a message, but subsequent messages seem to fail. Need to talk to Greg.
1 parent 8f5c51d commit d8e3264

23 files changed

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‎AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.sdimmick.firebasedemo"
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android:versionCode="1"
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android:versionName="1.0" >
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<uses-sdk
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android:minSdkVersion="8"
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android:targetSdkVersion="17" />
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<uses-permission android:name="android.permission.INTERNET"/>
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<application
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android:allowBackup="true"
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity android:name=".LoginActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity android:name=".ChatActivity" />
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</application>
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</manifest>

‎ic_launcher-web.png

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‎libs/android-support-v4.jar

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‎libs/firebase-client-jvm-1.0-jar-with-dependencies.jar

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‎proguard-project.txt

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# To enable ProGuard in your project, edit project.properties
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# to define the proguard.config property as described in that file.
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#
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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in ${sdk.dir}/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the ProGuard
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# include property in project.properties.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# Add any project specific keep options here:
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}

‎project.properties

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

‎res/drawable-hdpi/ic_launcher.png

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‎res/drawable-hdpi/ic_send.png

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‎res/drawable-mdpi/ic_launcher.png

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‎res/drawable-mdpi/ic_send.png

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‎res/drawable-xhdpi/ic_launcher.png

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‎res/drawable-xhdpi/ic_send.png

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‎res/drawable-xxhdpi/ic_launcher.png

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‎res/drawable/button_background.xml

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<?xml version="1.0" encoding="utf-8"?>
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<selector xmlns:android="http://schemas.android.com/apk/res/android">
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<item android:state_pressed="true" android:drawable="@color/button_pressed" />
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<item android:drawable="@android:color/transparent" />
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</selector>

‎res/layout/activity_chat.xml

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:padding="10dp"
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tools:context=".ChatActivity" >
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<ScrollView
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:layout_alignParentTop="true" >
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<LinearLayout
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android:id="@+id/activity_chat_message_layout"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical" />
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</ScrollView>
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<!-- chat input -->
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<EditText
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android:id="@+id/activity_chat_input"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_alignParentBottom="true"
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android:layout_alignParentLeft="true"
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android:layout_toLeftOf="@+id/activity_chat_send"
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android:inputType="textCapSentences"
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android:hint="@string/type_here_to_chat" />
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<!-- send button -->
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<ImageButton
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android:id="@+id/activity_chat_send"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_alignParentBottom="true"
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android:layout_alignParentRight="true"
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android:src="@drawable/ic_send"
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android:background="@drawable/button_background"
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android:contentDescription="@string/send_message" />
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</RelativeLayout>

‎res/layout/activity_login.xml

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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingBottom="@dimen/activity_vertical_margin"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin"
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android:gravity="center"
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android:orientation="vertical"
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tools:context=".LoginActivity" >
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<!-- username -->
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<EditText
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android:id="@+id/activity_login_username"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="20dp"
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android:inputType="textPersonName"
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android:hint="@string/enter_your_name" />
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<!-- submit -->
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<Button
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android:id="@+id/activity_login_continue"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/continue_"/>
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</LinearLayout>

‎res/layout/chat_message.xml

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<TextView xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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style="@android:style/TextAppearance.Medium" />

‎res/values/colors.xml

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<resources>
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<color name="button_pressed">#87C8E6</color>
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</resources>

‎res/values/dimens.xml

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<resources>
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<!-- Default screen margins, per the Android Design guidelines. -->
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<dimen name="activity_horizontal_margin">16dp</dimen>
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<dimen name="activity_vertical_margin">16dp</dimen>
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</resources>

‎res/values/strings.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="app_name">Firebase SDK Demo</string>
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<string name="action_settings">Settings</string>
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<string name="enter_your_name">Enter your name</string>
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<string name="continue_">Continue</string>
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<string name="login">Login</string>
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<string name="chat">Chat</string>
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<string name="type_here_to_chat">Type here to chat</string>
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<string name="send_message">Send message</string>
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<string name="chat_message">%1$s says %2$s</string>
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</resources>

‎res/values/styles.xml

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<resources>
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<!--
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Base application theme, dependent on API level. This theme is replaced
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by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
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-->
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<style name="AppBaseTheme" parent="Theme.Sherlock.Light.DarkActionBar">
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<!--
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Theme customizations available in newer API levels can go in
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res/values-vXX/styles.xml, while customizations related to
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backward-compatibility can go here.
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-->
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</style>
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<!-- Application theme. -->
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<style name="AppTheme" parent="AppBaseTheme">
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<!-- All customizations that are NOT specific to a particular API-level can go here. -->
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</style>
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</resources>

‎src/com/sdimmick/firebasedemo/ChatActivity.java

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package com.sdimmick.firebasedemo;
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import java.util.HashMap;
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import java.util.Map;
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import com.actionbarsherlock.app.SherlockActivity;
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import com.firebase.client.ChildEventListener;
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import com.firebase.client.DataSnapshot;
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import com.firebase.client.Firebase;
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import com.firebase.client.FirebaseException;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.EditText;
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import android.widget.ImageButton;
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import android.widget.TextView;
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import android.widget.Toast;
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public class ChatActivity extends SherlockActivity implements ChildEventListener {
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private static final String FIREBASE_URL = "https://android-sdk-demo.firebaseio.com/";
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private static final String TAG = ChatActivity.class.getSimpleName();
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private static final String USERNAME_KEY = "username";
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private static final String NAME = "name";
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private static final String MESSAGE = "message";
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private String mUsername;
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private Firebase mFirebase;
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private ViewGroup mChatMessagesLayout;
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private EditText mChatMessageView;
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private ImageButton mSendButton;
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private String mMessageUsername;
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private String mMessageContents;
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public static Intent createIntent(Context context, String username) {
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Intent intent = new Intent(context, ChatActivity.class);
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intent.putExtra(USERNAME_KEY, username);
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return intent;
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_chat);
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setTitle(R.string.chat);
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initializeFirebase();
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mUsername = getIntent().getStringExtra(USERNAME_KEY);
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mChatMessagesLayout = (ViewGroup) findViewById(R.id.activity_chat_message_layout);
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mChatMessageView = (EditText) findViewById(R.id.activity_chat_input);
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mSendButton = (ImageButton) findViewById(R.id.activity_chat_send);
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mSendButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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sendMessage();
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}
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});
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}
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private void initializeFirebase() {
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// Initialize the Firebase client
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try {
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mFirebase = new Firebase(FIREBASE_URL);
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mFirebase.addChildEventListener(this);
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} catch (FirebaseException e) {
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Log.e(TAG, "Error initializing Firebase client", e);
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Toast.makeText(this, "Error initializing Firebase Client", Toast.LENGTH_SHORT).show();
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}
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}
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private void sendMessage() {
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String message = mChatMessageView.getText().toString().trim();
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Map<String, Object> firebaseMessage = new HashMap<String, Object>();
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firebaseMessage.put(NAME, mUsername);
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firebaseMessage.put(MESSAGE, message);
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try {
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mFirebase.updateChildren(firebaseMessage);
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} catch (FirebaseException e) {
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Log.e(TAG, "Error sending message", e);
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Toast.makeText(this, "Error sending message", Toast.LENGTH_SHORT).show();
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}
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mChatMessageView.setText("");
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}
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/* ChildEventListener callbacks */
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@Override
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public void onCancelled() {
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}
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@Override
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public void onChildAdded(DataSnapshot snapshot, String previousChildName) {
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if (snapshot.getName().equals(NAME)) {
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mMessageUsername = snapshot.getValue().toString();
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} else if (snapshot.getName().equals(MESSAGE)) {
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mMessageContents = snapshot.getValue().toString();
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}
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if (mMessageUsername != null && mMessageContents != null) {
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// We have a complete message. Display it.
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LayoutInflater inflater = LayoutInflater.from(this);
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TextView chatView = (TextView) inflater.inflate(R.layout.chat_message, null, false);
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chatView.setText(getString(R.string.chat_message, mMessageUsername, mMessageContents));
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mChatMessagesLayout.addView(chatView);
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mMessageUsername = null;
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mMessageContents = null;
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}
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}
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@Override
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public void onChildChanged(DataSnapshot snapshot, String previousChildName) {
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}
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@Override
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public void onChildMoved(DataSnapshot snapshot, String previousChildName) {
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}
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@Override
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public void onChildRemoved(DataSnapshot snapshot) {
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}
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}

‎src/com/sdimmick/firebasedemo/LoginActivity.java

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package com.sdimmick.firebasedemo;
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import com.actionbarsherlock.app.SherlockActivity;
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import android.os.Bundle;
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import android.content.Intent;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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public class LoginActivity extends SherlockActivity {
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private EditText mUsernameView;
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private Button mContinueButton;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_login);
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setTitle(R.string.login);
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mUsernameView = (EditText) findViewById(R.id.activity_login_username);
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mContinueButton = (Button) findViewById(R.id.activity_login_continue);
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mContinueButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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String username = mUsernameView.getText().toString().trim();
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if (username.length() > 0) {
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// We have a username. Start the chat activity.
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Intent intent = ChatActivity.createIntent(LoginActivity.this, username);
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startActivity(intent);
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finish();
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}
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}
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});
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}
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}

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