Add sliding activities

4 files changed, 40 insertions, 0 deletions

diff --git a/library/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt b/library/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt
index e2c1eb8..87bc547 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt
@@ -9,6 +9,7 @@ import android.net.ConnectivityManager
 import android.os.Bundle
 import android.os.Handler
 import android.support.annotation.*
+import android.support.v4.app.ActivityOptionsCompat
 import android.support.v4.content.ContextCompat
 import android.util.TypedValue
 import android.widget.Toast
@@ -39,6 +40,27 @@ fun Context.startActivity(clazz: Class<out Activity>, clearStack: Boolean = fals
     if (this is Activity && clearStack) finish()
 }
 
+/**
+ * Bring in activity from the right
+ */
+fun Context.startActivitySlideIn(clazz: Class<out Activity>, clearStack: Boolean = false, intentBuilder: Intent.() -> Unit = {}, bundleBuilder: Bundle.() -> Unit = {}) {
+    val bundle = ActivityOptionsCompat.makeCustomAnimation(this, R.anim.kau_slide_in_right, R.anim.kau_fade_out).toBundle()
+    bundle.bundleBuilder()
+    startActivity(clazz, clearStack, intentBuilder, bundle)
+}
+
+/**
+ * Bring in activity from behind while pushing the current activity to the right
+ * This replicates the exit animation of a sliding activity, but is a forward creation
+ * For the animation to work, the previous activity should not be in the stack (otherwise you wouldn't need this in the first place)
+ * Consequently, the stack will be cleared by default
+ */
+fun Context.startActivitySlideOut(clazz: Class<out Activity>, clearStack: Boolean = true, intentBuilder: Intent.() -> Unit = {}, bundleBuilder: Bundle.() -> Unit = {}) {
+    val bundle = ActivityOptionsCompat.makeCustomAnimation(this, R.anim.kau_fade_in, R.anim.kau_slide_out_right_top).toBundle()
+    bundle.bundleBuilder()
+    startActivity(clazz, clearStack, intentBuilder, bundle)
+}
+
 var Activity.navigationBarColor: Int
     get() = if (buildIsLollipopAndUp) window.navigationBarColor else Color.BLACK
     set(value) {
diff --git a/library/src/main/res/anim/kau_fade_in.xml b/library/src/main/res/anim/kau_fade_in.xml
new file mode 100644
index 0000000..03312a2
--- /dev/null
+++ b/library/src/main/res/anim/kau_fade_in.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<alpha xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="@android:integer/config_shortAnimTime"
+    android:fromAlpha="0.0"
+    android:toAlpha="1.0" />
\ No newline at end of file
diff --git a/library/src/main/res/anim/kau_fade_out.xml b/library/src/main/res/anim/kau_fade_out.xml
new file mode 100644
index 0000000..322befc
--- /dev/null
+++ b/library/src/main/res/anim/kau_fade_out.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<alpha xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="@android:integer/config_shortAnimTime"
+    android:fromAlpha="1.0"
+    android:toAlpha="0.0" />
\ No newline at end of file
diff --git a/library/src/main/res/anim/kau_slide_out_right_top.xml b/library/src/main/res/anim/kau_slide_out_right_top.xml
new file mode 100644
index 0000000..5b63474
--- /dev/null
+++ b/library/src/main/res/anim/kau_slide_out_right_top.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:zAdjustment="top">
+    <translate
+        android:duration="@android:integer/config_shortAnimTime"
+        android:fromXDelta="0"
+        android:toXDelta="100%p" />
+</set>
\ No newline at end of file