Merge pull request #2 from bufferapp/task/custom-tabs

Add custom tabs utility

Author: vgonda

lib/build.gradle

@@ -22,7 +22,8 @@ android {
 
 dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.2'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.browser:browser:1.0.0'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 }
 
 publish {

lib/src/main/java/org/buffer/android/utils/CustomTabUtil.kt

@@ -0,0 +1,55 @@
+package org.buffer.android.utils
+
+import android.content.ActivityNotFoundException
+import android.content.Context
+import android.content.Intent
+import android.graphics.BitmapFactory
+import android.net.Uri
+import android.util.Log
+import androidx.annotation.ColorRes
+import androidx.annotation.DrawableRes
+import androidx.browser.customtabs.CustomTabsIntent
+import androidx.core.content.ContextCompat
+
+object CustomTabUtil {
+
+    fun open(
+        context: Context,
+        uri: Uri,
+        @ColorRes color: Int,
+        @DrawableRes backArrow: Int
+    ) {
+        val intent = buildIntent(context, uri, color, backArrow)
+        try {
+            context.startActivity(intent)
+        } catch (error: ActivityNotFoundException) {
+            Log.e(
+                CustomTabUtil::class.java.name,
+                "There was a problem start the browser intent"
+            )
+        }
+
+    }
+
+    private fun buildIntent(
+        context: Context,
+        uri: Uri,
+        @ColorRes color: Int,
+        @DrawableRes backArrow: Int
+    ): Intent {
+        val customTabsIntent = CustomTabsIntent.Builder()
+            .setToolbarColor(ContextCompat.getColor(context, color))
+            .setShowTitle(true)
+            .setCloseButtonIcon(
+                BitmapFactory.decodeResource(
+                    context.resources,
+                    backArrow
+                )
+            )
+            .addDefaultShareMenuItem()
+            .build()
+        return customTabsIntent.intent.apply {
+            data = uri
+        }
+    }
+}