3 files changed, 45 insertions, 26 deletions
diff --git a/core/src/main/kotlin/ca/allanwang/kau/email/EmailBuilder.kt b/core/src/main/kotlin/ca/allanwang/kau/email/EmailBuilder.kt
index 88a0945..8c6acff 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/email/EmailBuilder.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/email/EmailBuilder.kt
@@ -13,6 +13,7 @@ import ca.allanwang.kau.logging.KL
 import ca.allanwang.kau.utils.installerPackageName
 import ca.allanwang.kau.utils.isAppInstalled
 import ca.allanwang.kau.utils.string
+import ca.allanwang.kau.utils.toast
 
 
 /**
@@ -76,7 +77,10 @@ class EmailBuilder(val email: String, val subject: String) {
             emailBuilder.append("\n").append(footer)
 
         intent.putExtra(Intent.EXTRA_TEXT, emailBuilder.toString())
-        context.startActivity(Intent.createChooser(intent, context.resources.getString(R.string.kau_send_via)))
+        if (intent.resolveActivity(context.packageManager) != null)
+            context.startActivity(Intent.createChooser(intent, context.resources.getString(R.string.kau_send_via)))
+        else
+            context.toast("Cannot resolve email activity", log = true)
     }
 }
 
diff --git a/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt b/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
index be16c7c..fbb8c7d 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/kpref/KPref.kt
@@ -3,6 +3,7 @@ package ca.allanwang.kau.kpref
 import android.content.Context
 import android.content.SharedPreferences
 import ca.allanwang.kau.kotlin.ILazyResettable
+import ca.allanwang.kau.logging.KL
 
 /**
  * Created by Allan Wang on 2017-06-07.
@@ -22,15 +23,13 @@ import ca.allanwang.kau.kotlin.ILazyResettable
  */
 open class KPref {
 
-    lateinit private var c: Context
-    lateinit internal var PREFERENCE_NAME: String
-    private var initialized = false
+    lateinit var PREFERENCE_NAME: String
+    lateinit var sp: SharedPreferences
 
     fun initialize(c: Context, preferenceName: String) {
-        if (initialized) throw KPrefException("KPref object $preferenceName has already been initialized; please only do so once")
-        initialized = true
-        this.c = c.applicationContext
         PREFERENCE_NAME = preferenceName
+        sp = c.applicationContext.getSharedPreferences(preferenceName, Context.MODE_PRIVATE)
+        KL.d("Shared Preference $preferenceName has been initialized")
         val toDelete = deleteKeys()
         if (toDelete.isNotEmpty()) {
             val edit = sp.edit()
@@ -39,12 +38,6 @@ open class KPref {
         }
     }
 
-    //todo hide this
-    val sp: SharedPreferences by lazy {
-        if (!initialized) throw KPrefException("KPref object has not yet been initialized; please initialize it with a context and preference name")
-        c.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE)
-    }
-
     internal val prefMap: MutableMap<String, ILazyResettable<*>> = mutableMapOf()
 
     fun reset() {
diff --git a/core/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt b/core/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt
index d561c8a..a72c7dd 100644
--- a/core/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt
+++ b/core/src/main/kotlin/ca/allanwang/kau/utils/ContextUtils.kt
@@ -77,7 +77,11 @@ fun Context.startActivitySlideOut(clazz: Class<out Activity>, clearStack: Boolea
 fun Context.startPlayStoreLink(@StringRes packageIdRes: Int) = startPlayStoreLink(string(packageIdRes))
 
 fun Context.startPlayStoreLink(packageId: String) {
-    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=$packageId")))
+    val intent = Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=$packageId"))
+    if (intent.resolveActivity(packageManager) != null)
+        startActivity(intent)
+    else
+        toast("Cannot resolve play store", log = true)
 }
 
 /**
@@ -87,22 +91,24 @@ fun Context.startPlayStoreLink(packageId: String) {
 fun Context.startLink(vararg url: String?) {
     val link = url.firstOrNull { !it.isNullOrBlank() } ?: return
     val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse(link))
-    startActivity(browserIntent)
+    if (browserIntent.resolveActivity(packageManager) != null)
+        startActivity(browserIntent)
+    else
+        toast("Cannot resolve browser", log = true)
 }
 
-fun Context.startLink(@StringRes url: Int) {
-    val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse(string(url)))
-    startActivity(browserIntent)
-}
+fun Context.startLink(@StringRes url: Int) = startLink(string(url))
 
 //Toast helpers
-inline fun View.toast(@StringRes id: Int, duration: Int = Toast.LENGTH_LONG) = context.toast(id, duration)
+inline fun View.toast(@StringRes id: Int, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) = context.toast(id, duration, log)
+
+inline fun Context.toast(@StringRes id: Int, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) = toast(this.string(id), duration, log)
 
-inline fun Context.toast(@StringRes id: Int, duration: Int = Toast.LENGTH_LONG) = toast(this.string(id), duration)
+inline fun View.toast(text: String, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) = context.toast(text, duration, log)
 
-inline fun View.toast(text: String, duration: Int = Toast.LENGTH_LONG) = context.toast(text, duration)
-inline fun Context.toast(text: String, duration: Int = Toast.LENGTH_LONG) {
+inline fun Context.toast(text: String, duration: Int = Toast.LENGTH_LONG, log: Boolean = false) {
     Toast.makeText(this, text, duration).show()
+    if (log) KL.i("Toast: $text")
 }
 
 //Resource retrievers
@@ -163,6 +169,10 @@ fun Context.resolveString(@AttrRes attr: Int, fallback: String = ""): String {
 inline fun Context.materialDialog(action: MaterialDialog.Builder.() -> Unit): MaterialDialog {
     val builder = MaterialDialog.Builder(this)
     builder.action()
+    if (isFinishing) {
+        KL.d("Material Dialog triggered from finishing context; did not show")
+        return builder.build()
+    }
     return builder.show()
 }
 
@@ -192,9 +202,21 @@ fun Context.copyToClipboard(text: String?, label: String = "Copied Text", showTo
 }
 
 fun Context.shareText(text: String?) {
-    if (text == null) return toast(R.string.kau_text_is_null)
+    if (text == null) return toast("Share text is null")
     val intent = Intent(Intent.ACTION_SEND)
     intent.type = "text/plain"
     intent.putExtra(Intent.EXTRA_TEXT, text)
-    startActivity(Intent.createChooser(intent, string(R.string.kau_share)))
-}
-\ No newline at end of file
+    val chooserIntent = Intent.createChooser(intent, string(R.string.kau_share))
+    if (chooserIntent.resolveActivity(packageManager) != null)
+        startActivity(chooserIntent)
+    else
+        toast("Cannot resolve activity to share text", log = true)
+}
+
+/**
+ * Check if given context is finishing.
+ * This is a wrapper to check if it's both an activity and finishing
+ * As of now, it is only checked when tied to an activity
+ */
+inline val Context.isFinishing: Boolean
+    get() = (this as? Activity)?.isFinishing ?: false
+\ No newline at end of file