From d9de334c67dc34dec3a93055c1b198db7d3eb3cb Mon Sep 17 00:00:00 2001
From: Allan Wang <me@allanwang.ca>
Date: Fri, 16 Jun 2017 16:07:55 -0700
Subject: Add toolbar back button by default

---
 library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'library/src/main')

diff --git a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt
index 5b26eb0..6a188cc 100644
--- a/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt
+++ b/library/src/main/kotlin/ca/allanwang/kau/kpref/KPrefActivity.kt
@@ -26,6 +26,14 @@ abstract class KPrefActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.kau_activity_kpref)
         setSupportActionBar(toolbar)
+        if (supportActionBar != null)
+            with(supportActionBar!!) {
+                setDisplayHomeAsUpEnabled(true)
+                setDisplayShowHomeEnabled(true)
+                toolbar.setNavigationOnClickListener {
+                    onBackPressed()
+                }
+            }
         window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
         statusBarColor = 0x30000000
         toolbarCanvas.set(resolveColor(R.attr.colorPrimary))
-- 
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