add Activity transition sample

Author: SmartToolFactory

Tutorial2-1AnimatedVectorDrawables/src/main/java/com/smarttoolfactory/tutorial2_1animatedvectordrawables/Activity1_1Basics.kt

@@ -21,7 +21,7 @@ class Activity1_1Basics : AppCompatActivity() {
         setContentView(R.layout.activity1_1basics)
         title = getString(R.string.activity1_1)
 
-        val dataList = getVectorDrawableItemList()
+        val dataList:List<Any> = getVectorDrawableItemList()
 
         val recyclerView = findViewById<RecyclerView>(R.id.recyclerView)
 

Tutorial2-1AnimatedVectorDrawables/src/main/java/com/smarttoolfactory/tutorial2_1animatedvectordrawables/adapter/itemdecoration/GridSpacingItemDecoration.kt

@@ -36,6 +36,7 @@ class GridSpacingItemDecoration(
             return
         }
 
+        // After scroll check for the closest header above this position
         if (headerPositions.isEmpty()) {
             headerPosition = -1
         } else {

Tutorial3-1Transitions/src/main/AndroidManifest.xml

@@ -16,6 +16,8 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".chapter1_basics.Activity1_1Basics" />
+        <activity android:name=".chapter1_basics.Activity1_1DetailPage" />
     </application>
 
 </manifest>

Tutorial3-1Transitions/src/main/java/com/smarttoolfactory/tutorial3_1transitions/MainActivity.kt

@@ -10,6 +10,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.smarttoolfactory.tutorial3_1transitions.adapter.BaseAdapter
 import com.smarttoolfactory.tutorial3_1transitions.adapter.ChapterSelectionAdapter
 import com.smarttoolfactory.tutorial3_1transitions.adapter.model.ActivityClassModel
+import com.smarttoolfactory.tutorial3_1transitions.chapter1_basics.Activity1_1Basics
 import com.smarttoolfactory.tutorial3_1transitions.databinding.ActivityMainBinding
 import java.util.ArrayList
 
@@ -55,12 +56,12 @@ class MainActivity : AppCompatActivity(), BaseAdapter.OnRecyclerViewItemClickLis
     private fun addChapters() {
 
         // Add Activities to list to be displayed on RecyclerView
-//        activityClassModels.add(
-//            ActivityClassModel(
-//                Activity1_1Basics::class.java,
-//                getString(R.string.activity1_1)
-//            )
-//        )
+        activityClassModels.add(
+            ActivityClassModel(
+                Activity1_1Basics::class.java,
+                getString(R.string.activity1_1)
+            )
+        )
 
 
     }

Tutorial3-1Transitions/src/main/java/com/smarttoolfactory/tutorial3_1transitions/adapter/ChapterSelectionAdapter.kt

@@ -1,5 +1,6 @@
 package com.smarttoolfactory.tutorial3_1transitions.adapter
 
+import com.smarttoolfactory.tutorial3_1transitions.R
 import com.smarttoolfactory.tutorial3_1transitions.adapter.model.ActivityClassModel
 
 

Tutorial3-1Transitions/src/main/java/com/smarttoolfactory/tutorial3_1transitions/adapter/model/Post.kt

@@ -0,0 +1,12 @@
+package com.smarttoolfactory.tutorial3_1transitions.adapter.model
+
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+
+@Parcelize
+data class Post(
+    val id: Int,
+    val userId: Int,
+    val title: String,
+    val body: String
+) : Parcelable

Tutorial3-1Transitions/src/main/java/com/smarttoolfactory/tutorial3_1transitions/chapter1_basics/Activity1_1Basics.kt

@@ -0,0 +1,39 @@
+package com.smarttoolfactory.tutorial3_1transitions.chapter1_basics
+
+import android.app.ActivityOptions
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import com.smarttoolfactory.tutorial3_1transitions.R
+import kotlinx.android.synthetic.main.activity1_1basics.*
+
+class Activity1_1Basics : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity1_1basics)
+        title = getString(R.string.activity1_1)
+
+        val imageRes = R.drawable.avatar_1_raster
+        ivAvatar.setImageResource(imageRes)
+
+        cardView.setOnClickListener {
+            val intent = Intent(this, Activity1_1DetailPage::class.java)
+            intent.putExtra("imageRes", imageRes)
+
+            // create the transition animation - the images in the layouts
+            // of both activities are defined with android:transitionName="robot"
+            val options = ActivityOptions
+                .makeSceneTransitionAnimation(
+                    this,
+                    ivAvatar,
+                    ViewCompat.getTransitionName(ivAvatar)
+                )
+            // start the new activity
+            startActivity(intent, options.toBundle())
+        }
+
+    }
+
+}

Tutorial3-1Transitions/src/main/java/com/smarttoolfactory/tutorial3_1transitions/chapter1_basics/Activity1_1DetailPage.kt

@@ -0,0 +1,35 @@
+package com.smarttoolfactory.tutorial3_1transitions.chapter1_basics
+
+import android.os.Bundle
+import android.transition.Fade
+import android.transition.Transition
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import com.smarttoolfactory.tutorial3_1transitions.R
+import kotlinx.android.synthetic.main.activity1_1details.*
+
+
+class Activity1_1DetailPage : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity1_1details)
+        val imageRes = intent.getIntExtra("imageRes", -1)
+        if (imageRes != -1) {
+            ivImage.setImageResource(imageRes)
+        }
+
+
+        // 🔥 Prevents status bar blinking issue
+        val fade: Transition = Fade()
+        val decor = window.decorView
+
+        val view = decor.findViewById<View>(R.id.action_bar_container)
+        fade.excludeTarget(view, true)
+        fade.excludeTarget(android.R.id.statusBarBackground, true)
+        fade.excludeTarget(android.R.id.navigationBarBackground, true)
+        window.enterTransition = fade
+        window.exitTransition = fade
+
+    }
+}