Add fade animations, Move blink animation to Functions.kt

app/src/main/java/com/finnmglas/launcher/FirstStartupActivity.kt

@@ -10,22 +10,6 @@ import android.view.animation.Animation
 import androidx.appcompat.app.AppCompatActivity
 import kotlinx.android.synthetic.main.activity_firststartup.*
 
-// Taken from https://stackoverflow.com/questions/47293269
-fun View.blink(
-    times: Int = Animation.INFINITE,
-    duration: Long = 1000L,
-    offset: Long = 20L,
-    minAlpha: Float = 0.2f,
-    maxAlpha: Float = 1.0f,
-    repeatMode: Int = Animation.REVERSE
-) {
-    startAnimation(AlphaAnimation(minAlpha, maxAlpha).also {
-        it.duration = duration
-        it.startOffset = offset
-        it.repeatMode = repeatMode
-        it.repeatCount = times
-    })
-}
 
 class FirstStartupActivity : AppCompatActivity(){
 

app/src/main/java/com/finnmglas/launcher/Functions.kt

@@ -10,8 +10,43 @@ import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Bundle
 import android.provider.Settings
+import android.view.View
+import android.view.animation.AlphaAnimation
+import android.view.animation.Animation
+import android.view.animation.DecelerateInterpolator
 import android.widget.Toast
 
+// Taken from https://stackoverflow.com/questions/47293269
+fun View.blink(
+    times: Int = Animation.INFINITE,
+    duration: Long = 1000L,
+    offset: Long = 20L,
+    minAlpha: Float = 0.2f,
+    maxAlpha: Float = 1.0f,
+    repeatMode: Int = Animation.REVERSE
+) {
+    startAnimation(AlphaAnimation(minAlpha, maxAlpha).also {
+        it.duration = duration
+        it.startOffset = offset
+        it.repeatMode = repeatMode
+        it.repeatCount = times
+    })
+}
+
+fun View.fadeIn(duration: Long = 1000L) {
+    startAnimation(AlphaAnimation(0f, 1f).also {
+        it.interpolator = DecelerateInterpolator()
+        it.duration = duration
+    })
+}
+
+fun View.fadeOut(duration: Long = 1000L) {
+    startAnimation(AlphaAnimation(1f, 0f).also {
+        it.interpolator = DecelerateInterpolator()
+        it.duration = duration
+    })
+}
+
 /** Activity related */
 
 fun isInstalled(uri: String, context: Context): Boolean {