first run

.gitignore

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+# intellij
+*.iml
+
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+app/build
+
+.settings/
+app/jniLibs/

README.md

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+Basic Video Chat
+===================================
+
+This application provides a completed version of the OpenTok [Basic Video Chat tutorial](https://tokbox.com/developer/tutorials/android/) for Android (differing only in some additional validation checks). Upon deploying this sample application, you should be able to have two way audio and video communication using OpenTok.
+
+Note that you will need a valid TokBox account for this and all other TokBox samples and tutorials.
+
+### Quick Deploy
+====================================
+
+##### 1. Git clone this repository
+Clone this repository using:
+
+```git clone [email protected]:opentok/opentok-android-sdk-samples.git```
+
+in your terminal. Then, using [Android Studio](https://developer.android.com/studio/index.html), open the project in the Basic-Video-Chat folder.
+
+##### 2. Configure the app 
+In `OpenTokConfig.java`, configure the `API_KEY`, `SESSION_ID`, and `TOKEN` variables. You can obtain these values from your [TokBox account](https://tokbox.com/account/#/). Make sure that your `TOKEN` isn't expired.
+
+Note that we are hard coding these values in for demonstration purposes only. Your production app should not do this.
+
+##### 2A. (Optional) Deploy a back end web service
+If you want to see how you should run this app without hard coding config variables, you can deploy a pre-built server that we've provided. Do this by going to the [learning-opentok-php](https://github.com/opentok/learning-opentok-php) repository, and clicking on the purple deploy to Heroku button.
+
+You can look through the details of that tutorial at a later point. For now, you just need to know that the sample web service provides a RESTful interface to give you the same Session information as you hard coded (`API_KEY`, `SESSION_ID`, and `TOKEN`).
+
+##### 2B. (Optional) Configure the app to use your web service
+In `OpenTokConfig.java`, configure the `CHAT_SERVER_URL` string to your web service domain.
+
+##### 3. Run the app
+That's it!

app/.gitignore

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+/build
+config.gradle
+*.jar
+*.so

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'
+
+    defaultConfig {
+        applicationId "com.forwiz.nursetree"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+        }
+        debug {
+
+
+        }
+    }
+}
+
+
+
+
+dependencies {
+    implementation 'com.opentok.android:opentok-android-sdk:2.15.+'
+    implementation 'pub.devrel:easypermissions:0.4.0'
+
+    implementation 'com.google.code.gson:gson:2.8.5'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+
+    implementation 'com.android.support:recyclerview-v7:27.1.1'
+
+    // AndroidAnnotation
+    implementation "org.androidannotations:androidannotations-api:4.3.1"
+    annotationProcessor "org.androidannotations:androidannotations:4.3.1"
+
+
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+
+    // OkHttp (Http communication library)
+    implementation 'com.squareup.okhttp3:okhttp:3.10.0'
+
+    implementation 'com.google.firebase:firebase-core:16.0.6'
+    implementation 'com.google.firebase:firebase-iid:17.0.4'
+    implementation 'com.google.firebase:firebase-messaging:17.3.4'
+    implementation 'com.firebase:firebase-jobdispatcher:0.8.5'
+
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.volley:volley:1.0.0'
+    // JSR-310 (Java Time 8) backport
+    implementation 'com.jakewharton.threetenabp:threetenabp:1.0.5'
+}
+
+apply plugin: 'com.google.gms.google-services'

app/google-services.json

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+{
+  "project_info": {
+    "project_number": "408770127762",
+    "firebase_url": "https://nursetree-a8aa3.firebaseio.com",
+    "project_id": "nursetree-a8aa3",
+    "storage_bucket": "nursetree-a8aa3.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:408770127762:android:dc4762f857f06459",
+        "android_client_info": {
+          "package_name": "com.forwiz.nursetree"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "408770127762-97oktke57fe4h7fqlb5bnbur7ao5tajg.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAQBVobRocnH-DPHOi9rbqwlDvcdGngRhs"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

app/src/androidTest/java/com/tokbox/android/tutorials/basicvideochat/ApplicationTest.java

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+package com.tokbox.android.tutorials.basicvideochat;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.forwiz.nursetree" >
+
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+
+    <uses-feature android:name="android.hardware.camera" />
+    <uses-feature android:name="android.hardware.camera.autofocus" />
+
+    <!-- 통화기록에 남기기위한 permission -->
+    <uses-permission android:name="android.permission.WRITE_CALL_LOG" />
+
+    <uses-permission android:name="com.android.alarm.permission.SET_ALARM" />
+
+    <!-- 구버전 Firebase 메세지를 통한 다이얼로그 제어를 위한 퍼미션 ex) 예약 성립, 취소 -->
+    <uses-permission android:name="android.permission.GET_TASKS" />
+
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
+    <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+    <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
+
+
+
+    <application
+        android:name=".ApplicationClass"
+        android:allowBackup="false"
+        android:icon="@drawable/app_icon_a"
+        android:label="@string/app_name"
+        android:resizeableActivity="false"
+        android:supportsRtl="true"
+        android:theme="@style/mainTheme">
+
+
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <!-- [START firebase_service] -->
+        <service android:name=".MyFirebaseMessagingService">
+            <intent-filter>
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+            </intent-filter>
+        </service>
+        <!-- [END firebase_service] -->
+        <service
+            android:name=".MyJobService"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.firebase.jobdispatcher.ACTION_EXECUTE" />
+            </intent-filter>
+        </service>
+
+        <activity
+            android:name=".view.TalkChatActivity_"
+            android:keepScreenOn="true"
+            android:screenOrientation="portrait"
+            android:showOnLockScreen="true" />
+
+        <activity
+            android:name=".view.TalkChatDialogActivity_"
+            android:noHistory="true"
+            android:screenOrientation="portrait"
+            android:showOnLockScreen="true" />
+
+    </application>
+
+</manifest>

app/src/main/java/com/forwiz/nursetree/ApplicationClass.java

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+package com.forwiz.nursetree;
+
+import android.app.Application;
+import android.content.Context;
+import android.media.AudioManager;
+
+public class ApplicationClass extends Application {
+
+    private static Context appContext;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        appContext = this;
+
+
+
+
+    }
+
+    @Override
+    public void onTerminate() {
+        super.onTerminate();
+        AudioManager am = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
+        am.setMode(AudioManager.MODE_NORMAL);
+        am.setSpeakerphoneOn(false);
+    }
+
+    public static Context getAppContext() {
+        return appContext;
+    }
+
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(base);
+//        MultiDex.install(this);
+    }
+}