allow creating home screen shortcuts of contacts for quick call

app/src/main/kotlin/com/simplemobiletools/dialer/adapters/ContactsAdapter.kt

@@ -1,5 +1,13 @@
 package com.simplemobiletools.dialer.adapters
 
+import android.annotation.SuppressLint
+import android.content.Intent
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.graphics.Bitmap
+import android.graphics.drawable.BitmapDrawable
+import android.graphics.drawable.Icon
+import android.net.Uri
 import android.util.TypedValue
 import android.view.Menu
 import android.view.View
@@ -8,14 +16,16 @@ import android.widget.FrameLayout
 import android.widget.ImageView
 import android.widget.TextView
 import com.bumptech.glide.Glide
+import com.bumptech.glide.load.DecodeFormat
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import com.bumptech.glide.request.RequestOptions
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.dialogs.ConfirmationDialog
 import com.simplemobiletools.commons.extensions.getAdjustedPrimaryColor
 import com.simplemobiletools.commons.extensions.getTextSize
 import com.simplemobiletools.commons.extensions.highlightTextFromNumbers
 import com.simplemobiletools.commons.extensions.highlightTextPart
-import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_CONTACTS
+import com.simplemobiletools.commons.helpers.*
-import com.simplemobiletools.commons.helpers.SimpleContactsHelper
 import com.simplemobiletools.commons.models.SimpleContact
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.dialer.R
@@ -33,9 +43,13 @@ class ContactsAdapter(activity: SimpleActivity, var contacts: ArrayList<SimpleCo
         setupDragListener(true)
     }
 
-    override fun getActionMenuId() = R.menu.cab_delete_only
+    override fun getActionMenuId() = R.menu.cab_contacts
 
-    override fun prepareActionMode(menu: Menu) {}
+    override fun prepareActionMode(menu: Menu) {
+        menu.apply {
+            findItem(R.id.cab_create_shortcut).isVisible = isOneItemSelected() && isOreoPlus()
+        }
+    }
 
     override fun actionItemPressed(id: Int) {
         if (selectedKeys.isEmpty()) {
@@ -44,6 +58,7 @@ class ContactsAdapter(activity: SimpleActivity, var contacts: ArrayList<SimpleCo
 
         when (id) {
             R.id.cab_delete -> askConfirmDelete()
+            R.id.cab_create_shortcut -> createShortcut()
         }
     }
 
@@ -126,6 +141,60 @@ class ContactsAdapter(activity: SimpleActivity, var contacts: ArrayList<SimpleCo
 
     private fun getSelectedItems() = contacts.filter { selectedKeys.contains(it.rawId) } as ArrayList<SimpleContact>
 
+    @SuppressLint("NewApi")
+    private fun createShortcut() {
+        val contact = contacts.firstOrNull { selectedKeys.contains(it.rawId) } ?: return
+        val manager = activity.getSystemService(ShortcutManager::class.java)!!
+        if (manager.isRequestPinShortcutSupported) {
+            getShortcutImage(contact.photoUri, contact.name) { image ->
+                activity.handlePermission(PERMISSION_CALL_PHONE) { hasPermission ->
+                    val action = if (hasPermission) Intent.ACTION_CALL else Intent.ACTION_DIAL
+                    val intent = Intent(action).apply {
+                        data = Uri.fromParts("tel", contact.phoneNumber, null)
+                    }
+
+                    val shortcut = ShortcutInfo.Builder(activity, contact.hashCode().toString())
+                        .setShortLabel(contact.name)
+                        .setIcon(Icon.createWithBitmap(image))
+                        .setIntent(intent)
+                        .build()
+
+                    manager.requestPinShortcut(shortcut, null)
+                }
+            }
+        }
+    }
+
+    private fun getShortcutImage(path: String, placeholderName: String, callback: (image: Bitmap) -> Unit) {
+        ensureBackgroundThread {
+            val placeholder = BitmapDrawable(activity.resources, SimpleContactsHelper(activity).getContactLetterIcon(placeholderName))
+            try {
+                val options = RequestOptions()
+                    .format(DecodeFormat.PREFER_ARGB_8888)
+                    .diskCacheStrategy(DiskCacheStrategy.NONE)
+                    .error(placeholder)
+                    .centerCrop()
+
+                val size = resources.getDimension(R.dimen.shortcut_size).toInt()
+                val bitmap = Glide.with(activity).asBitmap()
+                    .load(path)
+                    .placeholder(placeholder)
+                    .apply(options)
+                    .apply(RequestOptions.circleCropTransform())
+                    .into(size, size)
+                    .get()
+
+                activity.runOnUiThread {
+                    callback(bitmap)
+                }
+            } catch (ignored: Exception) {
+                activity.runOnUiThread {
+                    callback(placeholder.bitmap)
+                }
+            }
+        }
+    }
+
     override fun onViewRecycled(holder: ViewHolder) {
         super.onViewRecycled(holder)
         if (!activity.isDestroyed && !activity.isFinishing) {

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/shortcut_image"
+        android:drawable="@mipmap/ic_launcher" />
+
+</layer-list>

app/src/main/res/menu/cab_contacts.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/cab_delete"
+        android:icon="@drawable/ic_delete_vector"
+        android:title="@string/delete"
+        app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/cab_create_shortcut"
+        android:title="@string/create_shortcut"
+        app:showAsAction="never" />
+</menu>