Added basic onboarding activity

app/build.gradle

@@ -72,13 +72,15 @@ dependencies {
     implementation "androidx.navigation:navigation-fragment-ktx:$navigation_version"
     implementation "androidx.navigation:navigation-ui-ktx:$navigation_version"
     implementation "androidx.preference:preference-ktx:$preference_version"
+    implementation "androidx.viewpager2:viewpager2:$view_pager2_version"
     implementation "androidx.room:room-runtime:$room_version"
     implementation "androidx.room:room-ktx:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
 
-    implementation "androidx.hilt:hilt-lifecycle-viewmodel:$hilt_viewmodel_version"
     implementation "com.google.dagger:hilt-android:$hilt_version"
     kapt "com.google.dagger:hilt-android-compiler:$hilt_version"
+
+    implementation "androidx.hilt:hilt-lifecycle-viewmodel:$hilt_viewmodel_version"
     kapt "androidx.hilt:hilt-compiler:$hilt_viewmodel_version"
 
     implementation "com.squareup.retrofit2:retrofit:$retrofit_version"

app/src/main/AndroidManifest.xml

@@ -1,22 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Look4Sat. Amateur radio and weather satellite tracker and passes predictor for Android.
-  ~ Copyright (C) 2019, 2020 Arty Bishop (bishop.arty@gmail.com)
-  ~
-  ~ This program is free software; you can redistribute it and/or modify
-  ~ it under the terms of the GNU General Public License as published by
-  ~ the Free Software Foundation; either version 2 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~ GNU General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU General Public License along
-  ~ with this program; if not, write to the Free Software Foundation, Inc.,
-  ~ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-  -->
-
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.rtbishop.look4sat">
 
@@ -32,7 +14,7 @@
         android:label="@string/app_name"
         android:theme="@style/AppTheme">
         <activity
-            android:name=".ui.activities.MainActivity"
+            android:name=".ui.splash.SplashActivity"
             android:screenOrientation="portrait"
             android:theme="@style/AppTheme.Splash">
             <intent-filter>
@@ -41,6 +23,9 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ui.activities.MainActivity"
+            android:screenOrientation="portrait" />
     </application>
 
 </manifest>

app/src/main/java/com/rtbishop/look4sat/SharedViewModel.kt

@@ -50,7 +50,10 @@ class SharedViewModel @ViewModelInject constructor(
     private var shouldTriggerCalculation = true
 
     init {
-        if (prefsManager.isFirstLaunch()) updateDefaultSourcesAndEntries()
+        if (prefsManager.isFirstLaunch()) {
+            updateDefaultSourcesAndEntries()
+            prefsManager.setFirstLaunchDone()
+        }
         startApplicationTimer()
     }
 

app/src/main/java/com/rtbishop/look4sat/ui/activities/MainActivity.kt

@@ -12,11 +12,11 @@ import dagger.hilt.android.AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        setTheme(R.style.AppTheme)
         super.onCreate(savedInstanceState)
-        val binding = ActivityMainBinding.inflate(layoutInflater)
-        setContentView(binding.root)
-        val navHost = supportFragmentManager.findFragmentById(R.id.nav_host) as NavHostFragment
-        binding.navBottom.setupWithNavController(navHost.navController)
+        ActivityMainBinding.inflate(layoutInflater).apply {
+            setContentView(root)
+            val navHost = supportFragmentManager.findFragmentById(R.id.nav_host) as NavHostFragment
+            navBottom.setupWithNavController(navHost.navController)
+        }
     }
 }

app/src/main/java/com/rtbishop/look4sat/ui/splash/FirstFragment.kt

@@ -0,0 +1,6 @@
+package com.rtbishop.look4sat.ui.splash
+
+import androidx.fragment.app.Fragment
+import com.rtbishop.look4sat.R
+
+class FirstFragment : Fragment(R.layout.fragment_first)

app/src/main/java/com/rtbishop/look4sat/ui/splash/SecondFragment.kt

@@ -0,0 +1,6 @@
+package com.rtbishop.look4sat.ui.splash
+
+import androidx.fragment.app.Fragment
+import com.rtbishop.look4sat.R
+
+class SecondFragment: Fragment(R.layout.fragment_second)

app/src/main/java/com/rtbishop/look4sat/ui/splash/SplashActivity.kt

@@ -0,0 +1,71 @@
+package com.rtbishop.look4sat.ui.splash
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
+import androidx.viewpager2.adapter.FragmentStateAdapter
+import androidx.viewpager2.widget.ViewPager2
+import com.rtbishop.look4sat.R
+import com.rtbishop.look4sat.databinding.ActivitySplashBinding
+import com.rtbishop.look4sat.ui.activities.MainActivity
+import com.rtbishop.look4sat.utility.PrefsManager
+import dagger.hilt.android.AndroidEntryPoint
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class SplashActivity : FragmentActivity() {
+
+    private val pagesCount = 3
+
+    @Inject
+    lateinit var prefsManager: PrefsManager
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if (prefsManager.isFirstLaunch()) showOnboarding()
+        else startMainActivity()
+    }
+
+    private fun showOnboarding() {
+        setTheme(R.style.AppTheme)
+        ActivitySplashBinding.inflate(layoutInflater).apply {
+            setContentView(root)
+            splashPager.apply {
+                adapter = SplashPagerAdapter(this@SplashActivity)
+                registerOnPageChangeCallback(object : ViewPager2.OnPageChangeCallback() {
+                    override fun onPageSelected(position: Int) {
+                        super.onPageSelected(position)
+                        if (position == pagesCount - 1) {
+                            splashNext.setImageResource(R.drawable.ic_check)
+                        }
+                    }
+                })
+//                isUserInputEnabled = false
+            }
+            splashNext.setOnClickListener {
+                if (splashPager.currentItem < pagesCount - 1) splashPager.currentItem++
+                else if (splashPager.currentItem == pagesCount - 1) startMainActivity()
+            }
+        }
+    }
+
+    private fun startMainActivity() {
+        startActivity(Intent(this, MainActivity::class.java))
+    }
+
+    private inner class SplashPagerAdapter(activity: FragmentActivity) :
+        FragmentStateAdapter(activity) {
+
+        override fun getItemCount(): Int = pagesCount
+
+        override fun createFragment(position: Int): Fragment {
+            return when (position) {
+                0 -> FirstFragment()
+                1 -> SecondFragment()
+                2 -> ThirdFragment()
+                else -> FirstFragment()
+            }
+        }
+    }
+}

app/src/main/java/com/rtbishop/look4sat/ui/splash/ThirdFragment.kt

@@ -0,0 +1,6 @@
+package com.rtbishop.look4sat.ui.splash
+
+import androidx.fragment.app.Fragment
+import com.rtbishop.look4sat.R
+
+class ThirdFragment : Fragment(R.layout.fragment_third)

app/src/main/java/com/rtbishop/look4sat/utility/PrefsManager.kt

@@ -79,13 +79,13 @@ class PrefsManager @Inject constructor(val preferences: SharedPreferences) {
     }
 
     fun isFirstLaunch(): Boolean {
-        val isFirstLaunch = preferences.getBoolean(keyIsFirstLaunch, true)
-        return if (isFirstLaunch) {
-            preferences.edit {
-                putBoolean(keyIsFirstLaunch, false)
-                apply()
-            }
-            isFirstLaunch
-        } else isFirstLaunch
+        return preferences.getBoolean(keyIsFirstLaunch, true)
+    }
+
+    fun setFirstLaunchDone() {
+        preferences.edit {
+            putBoolean(keyIsFirstLaunch, false)
+            apply()
+        }
     }
 }

app/src/main/res/drawable/ic_check.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z"/>
+</vector>

app/src/main/res/drawable/ic_next.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M12,4l-1.41,1.41L16.17,11H4v2h12.17l-5.58,5.59L12,20l8,-8z"/>
+</vector>

app/src/main/res/layout/activity_splash.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.splash.SplashActivity">
+
+    <androidx.viewpager2.widget.ViewPager2
+        android:id="@+id/splashPager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/splashNext"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="76dp"
+        android:contentDescription="@string/placeholder"
+        app:fabSize="mini"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:srcCompat="@drawable/ic_next" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_first.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.splash.FirstFragment" >
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="First Fragment"
+        android:textSize="36sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_second.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.splash.FirstFragment" >
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Second Fragment"
+        android:textSize="36sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_third.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.splash.FirstFragment" >
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Third Fragment"
+        android:textSize="36sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>