Implement blur extension function to Bitmap and add further details to the ui...

Implement blur extension function to Bitmap and add further details to the ui for the user details screen

app/src/main/java/chat/rocket/android/userdetails/presentation/UserDetailsPresenter.kt

@@ -41,14 +41,14 @@ class UserDetailsPresenter @Inject constructor(
 
                     val chatRoom: ChatRoom? = if (localDMs.isEmpty()) {
                         val query = u.username!!
-                        val result = retryIO("spotlight($query)") {
+                        val spotlightResult = retryIO("spotlight($query)") {
                             client.spotlight(query = query)
                         }
 
-                        val userMatch = result.users.firstOrNull()
+                        val matchFromSpotlight = spotlightResult.users.firstOrNull()
 
-                        if (userMatch != null) {
-                            with (userMatch) {
+                        if (matchFromSpotlight != null) {
+                            with (matchFromSpotlight) {
                                     ChatRoom(
                                         id = id,
                                         type = roomTypeOf(RoomType.DIRECT_MESSAGE),

app/src/main/java/chat/rocket/android/userdetails/ui/UserDetailsActivity.kt

@@ -2,18 +2,26 @@ package chat.rocket.android.userdetails.ui
 
 import android.content.Context
 import android.content.Intent
+import android.graphics.drawable.BitmapDrawable
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
+import blurred
 import chat.rocket.android.R
 import chat.rocket.android.chatroom.ui.chatRoomIntent
 import chat.rocket.android.emoji.internal.GlideApp
 import chat.rocket.android.userdetails.presentation.UserDetailsPresenter
 import chat.rocket.android.userdetails.presentation.UserDetailsView
+import chat.rocket.android.util.extension.launchUI
 import chat.rocket.android.util.extension.orFalse
 import chat.rocket.android.util.extensions.showToast
 import chat.rocket.common.model.roomTypeOf
 import chat.rocket.core.model.ChatRoom
+import com.bumptech.glide.Glide
+import com.bumptech.glide.Priority
+import com.bumptech.glide.load.resource.bitmap.CenterCrop
+import com.bumptech.glide.load.resource.bitmap.CenterInside
+import com.bumptech.glide.load.resource.bitmap.FitCenter
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
 import com.bumptech.glide.request.RequestOptions
 import dagger.android.AndroidInjection
@@ -21,6 +29,10 @@ import dagger.android.AndroidInjector
 import dagger.android.DispatchingAndroidInjector
 import dagger.android.support.HasSupportFragmentInjector
 import kotlinx.android.synthetic.main.activity_user_details.*
+import kotlinx.coroutines.experimental.CommonPool
+import kotlinx.coroutines.experimental.android.UI
+import kotlinx.coroutines.experimental.launch
+import kotlinx.coroutines.experimental.withContext
 import org.threeten.bp.OffsetDateTime
 import org.threeten.bp.ZoneId
 import org.threeten.bp.ZoneOffset
@@ -73,11 +85,28 @@ class UserDetailsActivity : AppCompatActivity(), UserDetailsView, HasSupportFrag
         text_view_name.text = name
         text_view_username.text = username
         text_view_status.text = status.capitalize()
-        GlideApp.with(this)
-            .load(avatarUrl)
-            .centerCrop()
-            .apply(RequestOptions().transform(RoundedCorners(25)))
-            .into(image_view_avatar)
+
+        launch(UI) {
+            val image = withContext(CommonPool) {
+                val requestOptions = RequestOptions()
+                    .priority(Priority.IMMEDIATE)
+                    .transforms(CenterInside(), FitCenter())
+
+                return@withContext GlideApp.with(this@UserDetailsActivity)
+                    .asBitmap()
+                    .load(avatarUrl)
+                    .apply(requestOptions)
+                    .submit()
+                    .get()
+            }
+
+            toolbar.background = BitmapDrawable(resources, image.blurred(this@UserDetailsActivity))
+            GlideApp.with(this@UserDetailsActivity)
+                .asBitmap()
+                .transforms(RoundedCorners(25), CenterCrop())
+                .load(avatarUrl)
+                .into(image_view_avatar)
+        }
 
         utcOffset?.let {
             val offsetLong = it.roundToLong()
@@ -99,6 +128,7 @@ class UserDetailsActivity : AppCompatActivity(), UserDetailsView, HasSupportFrag
 
     private fun toDirectMessage(chatRoom: ChatRoom?) {
         chatRoom?.let { c ->
+            finish()
             startActivity(
                 chatRoomIntent(
                     chatRoomId = c.id,

app/src/main/java/chat/rocket/android/util/extensions/Graphics.kt

+import android.content.Context
+import android.graphics.Bitmap
+import android.renderscript.Allocation
+import android.renderscript.Element
+import android.renderscript.RenderScript
+import android.renderscript.ScriptIntrinsicBlur
+
+
+fun Bitmap.blurred(context: Context, intensity: Float = 25f): Bitmap {
+    if (intensity <= 0 || intensity > 25) {
+        throw IllegalStateException("Intensity out of range (0 < intensity <= 25).")
+    }
+    val bitmap = copy(config, true)
+
+    val rs = RenderScript.create(context)
+    val input = Allocation.createFromBitmap(rs, this, Allocation.MipmapControl.MIPMAP_NONE,
+        Allocation.USAGE_SCRIPT)
+    val output = Allocation.createTyped(rs, input.type)
+    val script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs))
+    script.setRadius(intensity)
+    script.setInput(input)
+    script.forEach(output)
+    output.copyTo(bitmap)
+    return bitmap
+}

app/src/main/java/chat/rocket/android/util/extensions/Ui.kt

@@ -118,4 +118,4 @@ fun Menu.toList(): List<MenuItem> {
     val menuItems = ArrayList<MenuItem>(this.size())
     (0 until this.size()).mapTo(menuItems) { this.getItem(it) }
     return menuItems
-}
+}
\ No newline at end of file

app/src/main/res/drawable/bg_round_bounds_white.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <padding
+        android:bottom="2dp"
+        android:left="2dp"
+        android:right="2dp"
+        android:top="2dp" />
+
+    <solid android:color="@android:color/white" />
+
+    <corners android:radius="25px" />
+</shape>