Demo app for timeline

app/.gitignore

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+# Created by https://www.gitignore.io/api/android,java,intellij
+
+### Android ###
+# Built application files
+*.apk
+*.ap_
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+xactmobile/class_files.txt
+xactmobile/mapping.txt
+xactmobile/seeds.txt
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+### Android Patch ###
+gen-external-apklibs
+
+
+### Java ###
+*.class
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+#*.jar
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+
+### Intellij ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio
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+*.iml
+
+## Directory-based project format:
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+# if you remove the above rule, at least ignore the following:
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+# User-specific stuff:
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+xactmobile/.DS_Store~64be78fe3602626c61b52bcbfd09e09a6107b50a
+xactmobile/.DS_Store~HEAD
+oslab-viewpager/._.DS_Store
+oslab-viewpager/src/main/.DS_Store
+oslab-viewpager/src/main/._.DS_Store
+oslab-viewpager/src/main/res/.DS_Store
+oslab-viewpager/src/main/res/._.DS_Store
+oslab-viewpager/.gitignore
+oslab-materialdesign/.DS_Store
+oslab-materialdesign/._.DS_Store
+oslab-materialdesign/src/.DS_Store
+oslab-materialdesign/src/._.DS_Store
+oslab-materialdesign/src/main/.DS_Store
+oslab-materialdesign/src/main/._.DS_Store
+oslab-materialdesign/src/main/res/.DS_Store
+oslab-materialdesign/src/main/res/._.DS_Store

app/build.gradle

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+apply from: '../constants.gradle'
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.0"
+
+    defaultConfig {
+        applicationId "com.alexvas.timeline.demo"
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+// To inline the bytecode built with JVM target 1.8 into
+// bytecode that is being built with JVM target 1.6. (e.g. navArgs)
+
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "androidx.appcompat:appcompat:${androidXAppcompatVersion}"
+    implementation 'androidx.core:core-ktx:1.3.0'
+    implementation 'com.google.android.material:material:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.navigation:navigation-fragment:2.3.0'
+    implementation 'androidx.navigation:navigation-ui:2.3.0'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.0'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.3.0'
+    implementation project(':library-timeline')
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.alexvas.timeline.demo">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/alexvas/timeline/demo/MainActivity.kt

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+package com.alexvas.timeline.demo
+
+import android.os.Bundle
+import com.google.android.material.bottomnavigation.BottomNavigationView
+import androidx.appcompat.app.AppCompatActivity
+import androidx.navigation.findNavController
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.setupActionBarWithNavController
+import androidx.navigation.ui.setupWithNavController
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        val navView: BottomNavigationView = findViewById(R.id.nav_view)
+
+        val navController = findNavController(R.id.nav_host_fragment)
+        // Passing each menu ID as a set of Ids because each
+        // menu should be considered as top level destinations.
+        val appBarConfiguration = AppBarConfiguration(setOf(
+                R.id.navigation_timeline))
+        setupActionBarWithNavController(navController, appBarConfiguration)
+        navView.setupWithNavController(navController)
+    }
+}

app/src/main/java/com/alexvas/timeline/demo/ui/TimelineFragment.kt

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+package com.alexvas.timeline.demo.ui
+
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import com.alexvas.timeline.demo.R
+import com.alexvas.widget.TimelineView
+import com.alexvas.widget.TimelineView.TimeRecord
+
+class TimelineFragment : Fragment() {
+
+    private val TAG: String = TimelineFragment::class.java.simpleName
+    private val DEBUG = true
+
+    private lateinit var timelineView: TimelineView
+    private lateinit var timelineViewModel: TimelineViewModel
+    private val recordsBackgroundEvents: ArrayList<TimeRecord> = ArrayList()
+    private val recordsMajor1Events: ArrayList<TimeRecord> = ArrayList()
+    private val recordsMajor2Events: ArrayList<TimeRecord> = ArrayList()
+
+    override fun onCreateView(
+            inflater: LayoutInflater,
+            container: ViewGroup?,
+            savedInstanceState: Bundle?
+    ): View? {
+        timelineViewModel =
+                ViewModelProvider(this).get(TimelineViewModel::class.java)
+        val root = inflater.inflate(R.layout.fragment_timeline, container, false)
+        timelineView = root.findViewById(R.id.timeline)
+        timelineView.setOnTimelineListener(object:TimelineView.OnTimelineListener {
+            override fun onTimeSelecting() {
+            }
+
+            override fun onTimeSelected(timestampMsec: Long, record: TimeRecord?) {
+            }
+
+            override fun onRequestMoreMajor1Data() {
+            }
+
+            override fun onRequestMoreMajor2Data() {
+            }
+
+            override fun onRequestMoreBackgroundData() {
+            }
+        })
+        return root
+    }
+
+    override fun onStart() {
+        if (DEBUG) Log.v(TAG, "onStart()")
+        super.onStart()
+        timelineViewModel.loadParams(context)
+        loadFirstValues()
+        updateTimeline()
+        gotoLastMajor1Record()
+    }
+
+    override fun onStop() {
+        if (DEBUG) Log.v(TAG, "onStop()")
+        super.onStop()
+        timelineViewModel.saveParams(context)
+    }
+
+    class EventRecord(videoOffset: Int)
+
+    private fun loadFirstValues() {
+        if (DEBUG) Log.v(TAG, "loadFirstValues()")
+        val time = System.currentTimeMillis()
+        recordsMajor1Events.clear()
+        recordsMajor1Events.add(TimeRecord(time - 5000, 1000, EventRecord(0)))
+        recordsMajor1Events.add(TimeRecord(time - 30000, 20000, EventRecord(0)))
+        recordsMajor1Events.add(TimeRecord(time - 300000, 20000, EventRecord(0)))
+        recordsMajor1Events.add(TimeRecord(time - 1800000, 100000, EventRecord(0)))
+        recordsMajor1Events.add(TimeRecord(time - 3600000, 70000, EventRecord(0)))
+        recordsMajor1Events.add(TimeRecord(time - 360000000, 150000, EventRecord(0)))
+        recordsMajor1Events.add(TimeRecord(time - 500000000, 1500000, EventRecord(0)))
+
+        recordsMajor2Events.clear()
+        recordsMajor2Events.add(TimeRecord(time - 500, 500, EventRecord(0)))
+
+        recordsBackgroundEvents.clear()
+        recordsBackgroundEvents.add(TimeRecord(time - 500000, 500000, EventRecord(0)))
+        recordsBackgroundEvents.add(TimeRecord(time - 1000000, 250000, EventRecord(0)))
+        recordsBackgroundEvents.add(TimeRecord(time - 2500000, 1000000, EventRecord(0)))
+    }
+
+    private fun updateTimeline() {
+        if (DEBUG) Log.v(TAG, "updateTimeline()")
+        timelineView.setMajor1Records(recordsMajor1Events)
+        timelineView.setMajor2Records(recordsMajor2Events)
+        timelineView.setBackgroundRecords(recordsBackgroundEvents)
+        timelineView.invalidate()
+    }
+
+    private fun gotoLastMajor1Record() {
+        if (DEBUG) Log.v(TAG, "gotoLastMajor1Record()")
+        var records: java.util.ArrayList<TimeRecord> = timelineView.getMajor1Records()
+        // At least one event exists
+        if (records.size > 0) {
+            val record = records[0]
+            val timestamp: Long = getTimestampFromRecord(record)
+            onTimeSelected(timestamp, record)
+            timelineView.setCurrentWithAnimation(record.timestampMsec)
+            timelineView.invalidate()
+        } else {
+            // No events found. Show last video recording.
+            records = timelineView.getBackgroundRecords()
+            if (records.size > 0) {
+                val record = records[0]
+                // 30 sec before video finished.
+                val timestamp = record.timestampMsec + Math.max(record.durationMsec - 30000, 0)
+                onTimeSelected(timestamp, record)
+                timelineView.setCurrentWithAnimation(record.timestampMsec)
+                timelineView.invalidate()
+            }
+        }
+    }
+
+    private fun getTimestampFromRecord(record: TimeRecord): Long {
+        return record.timestampMsec
+    }
+
+    private fun onTimeSelected(timestamp: Long, record: TimeRecord) {
+        // TODO: Playback code goes here
+    }
+
+}