fix #269, add placeholders at SelectContact activity

app/src/main/kotlin/com/simplemobiletools/contacts/activities/SelectContactActivity.kt

@@ -6,8 +6,7 @@ import android.os.Bundle
 import android.provider.ContactsContract
 import android.view.Menu
 import android.view.MenuItem
-import com.simplemobiletools.commons.extensions.baseConfig
+import com.simplemobiletools.commons.extensions.*
-import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.PERMISSION_READ_CONTACTS
 import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_CONTACTS
 import com.simplemobiletools.contacts.R
@@ -28,6 +27,7 @@ class SelectContactActivity : SimpleActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_select_contact)
+        setupPlaceholders()
 
         handlePermission(PERMISSION_READ_CONTACTS) {
             if (it) {
@@ -104,8 +104,11 @@ class SelectContactActivity : SimpleActivity() {
             contacts.sort()
 
             runOnUiThread {
-                select_contact_list.adapter = SelectContactsAdapter(this, contacts, ArrayList(), false) {
+                updatePlaceholderVisibility(contacts)
+                SelectContactsAdapter(this, contacts, ArrayList(), false, select_contact_list) {
                     confirmSelection(it)
+                }.apply {
+                    select_contact_list.adapter = this
                 }
 
                 select_contact_fastscroller.allowBubbleDisplay = baseConfig.showInfoBubble
@@ -131,9 +134,29 @@ class SelectContactActivity : SimpleActivity() {
                 val contactId = ContactsHelper(this).getContactMimeTypeId(contact.id.toString(), specialMimeType!!)
                 Uri.withAppendedPath(ContactsContract.Data.CONTENT_URI, contactId)
             }
-            else -> {
+            else -> getContactPublicUri(contact)
-                getContactPublicUri(contact)
+        }
+    }
+
+    private fun setupPlaceholders() {
+        select_contact_placeholder.setTextColor(config.textColor)
+        select_contact_placeholder_2.setTextColor(getAdjustedPrimaryColor())
+        select_contact_placeholder_2.underlineText()
+        select_contact_placeholder_2.setOnClickListener {
+            FilterContactSourcesDialog(this) {
+                initContacts()
             }
         }
     }
+
+    private fun updatePlaceholderVisibility(contacts: ArrayList<Contact>) {
+        select_contact_list.beVisibleIf(contacts.isNotEmpty())
+        select_contact_placeholder_2.beVisibleIf(contacts.isEmpty())
+        select_contact_placeholder.beVisibleIf(contacts.isEmpty())
+        select_contact_placeholder.setText(when (specialMimeType) {
+            ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE -> R.string.no_contacts_with_emails
+            ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE -> R.string.no_contacts_with_phone_numbers
+            else -> R.string.no_contacts_found
+        })
+    }
 }

app/src/main/kotlin/com/simplemobiletools/contacts/adapters/SelectContactsAdapter.kt

@@ -4,6 +4,7 @@ import android.graphics.drawable.Drawable
 import android.util.SparseArray
 import android.view.View
 import android.view.ViewGroup
+import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.engine.DiskCacheStrategy
@@ -13,6 +14,7 @@ import com.bumptech.glide.signature.ObjectKey
 import com.simplemobiletools.commons.extensions.beVisibleIf
 import com.simplemobiletools.commons.extensions.getAdjustedPrimaryColor
 import com.simplemobiletools.commons.extensions.getColoredDrawableWithColor
+import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.contacts.R
 import com.simplemobiletools.contacts.activities.SimpleActivity
 import com.simplemobiletools.contacts.extensions.config
@@ -22,7 +24,7 @@ import kotlinx.android.synthetic.main.item_add_favorite_with_number.view.*
 import java.util.*
 
 class SelectContactsAdapter(val activity: SimpleActivity, val contacts: List<Contact>, private val selectedContacts: ArrayList<Contact>, private val allowPickMultiple: Boolean,
-                            private val itemClick: ((Contact) -> Unit)? = null) : RecyclerView.Adapter<SelectContactsAdapter.ViewHolder>() {
+                            private val recyclerView: MyRecyclerView, private val itemClick: ((Contact) -> Unit)? = null) : RecyclerView.Adapter<SelectContactsAdapter.ViewHolder>() {
     private val itemViews = SparseArray<View>()
     private val selectedPositions = HashSet<Int>()
     private val config = activity.config
@@ -36,10 +38,19 @@ class SelectContactsAdapter(val activity: SimpleActivity, val contacts: List<Con
 
     init {
         contacts.forEachIndexed { index, contact ->
-            if (selectedContacts.map { it.id }.contains(contact.id)) {
+            if (selectedContacts.asSequence().map { it.id }.contains(contact.id)) {
                 selectedPositions.add(index)
             }
         }
+
+        if (recyclerView.itemDecorationCount > 0) {
+            recyclerView.removeItemDecorationAt(0)
+        }
+
+        DividerItemDecoration(activity, DividerItemDecoration.VERTICAL).apply {
+            setDrawable(activity.resources.getDrawable(R.drawable.divider))
+            recyclerView.addItemDecoration(this)
+        }
     }
 
     private fun toggleItemSelection(select: Boolean, pos: Int) {

app/src/main/kotlin/com/simplemobiletools/contacts/dialogs/SelectContactsDialog.kt

@@ -33,7 +33,7 @@ class SelectContactsDialog(val activity: SimpleActivity, initialContacts: ArrayL
 
         activity.runOnUiThread {
             view.apply {
-                select_contact_list.adapter = SelectContactsAdapter(activity, allContacts, initiallySelectedContacts, true)
+                select_contact_list.adapter = SelectContactsAdapter(activity, allContacts, initiallySelectedContacts, true, select_contact_list)
                 select_contact_fastscroller.allowBubbleDisplay = activity.baseConfig.showInfoBubble
                 select_contact_fastscroller.setViews(select_contact_list) {
                     select_contact_fastscroller.updateBubbleText(allContacts[it].getBubbleText())

app/src/main/res/layout/activity_group_contacts.xml

@@ -26,13 +26,13 @@
 
         <com.simplemobiletools.commons.views.MyTextView
             android:id="@+id/group_contacts_placeholder_2"
-            android:layout_width="match_parent"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_below="@+id/group_contacts_placeholder"
             android:layout_centerHorizontal="true"
+            android:background="?attr/selectableItemBackground"
             android:gravity="center"
-            android:paddingBottom="@dimen/medium_margin"
+            android:padding="@dimen/activity_margin"
-            android:paddingTop="@dimen/medium_margin"
             android:text="@string/add_contacts"
             android:textSize="@dimen/bigger_text_size"
             android:visibility="gone"/>
@@ -51,8 +51,8 @@
             android:layout_height="match_parent"
             android:layout_alignParentEnd="true"
             android:layout_alignParentRight="true"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
-            android:paddingStart="@dimen/normal_margin">
+            android:paddingLeft="@dimen/normal_margin">
 
             <include layout="@layout/fastscroller_handle_vertical"/>
 

app/src/main/res/layout/activity_select_contact.xml

@@ -6,6 +6,32 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
 
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/select_contact_placeholder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="@dimen/activity_margin"
+        android:gravity="center"
+        android:paddingLeft="@dimen/activity_margin"
+        android:paddingRight="@dimen/activity_margin"
+        android:text="@string/no_contacts_found"
+        android:textSize="@dimen/bigger_text_size"
+        android:visibility="gone"/>
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/select_contact_placeholder_2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/select_contact_placeholder"
+        android:layout_centerHorizontal="true"
+        android:background="?attr/selectableItemBackground"
+        android:gravity="center"
+        android:padding="@dimen/activity_margin"
+        android:text="@string/change_filter"
+        android:textSize="@dimen/bigger_text_size"
+        android:visibility="gone"/>
+
     <com.simplemobiletools.commons.views.MyRecyclerView
         android:id="@+id/select_contact_list"
         android:layout_width="match_parent"
@@ -18,12 +44,12 @@
         android:id="@+id/select_contact_fastscroller"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
+        android:layout_alignTop="@+id/select_contact_list"
         android:layout_alignBottom="@+id/select_contact_list"
         android:layout_alignParentEnd="true"
         android:layout_alignParentRight="true"
-        android:layout_alignTop="@+id/select_contact_list"
+        android:paddingStart="@dimen/normal_margin"
-        android:paddingLeft="@dimen/normal_margin"
+        android:paddingLeft="@dimen/normal_margin">
-        android:paddingStart="@dimen/normal_margin">
 
         <include layout="@layout/fastscroller_handle_vertical"/>
 

app/src/main/res/layout/fragment_layout.xml

@@ -17,19 +17,19 @@
             android:gravity="center"
             android:paddingLeft="@dimen/activity_margin"
             android:paddingRight="@dimen/activity_margin"
-            android:text="@string/no_items_found"
+            android:text="@string/no_contacts_found"
             android:textSize="@dimen/bigger_text_size"
             android:visibility="gone"/>
 
         <com.simplemobiletools.commons.views.MyTextView
             android:id="@+id/fragment_placeholder_2"
-            android:layout_width="match_parent"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_below="@+id/fragment_placeholder"
             android:layout_centerHorizontal="true"
+            android:background="?attr/selectableItemBackground"
             android:gravity="center"
-            android:paddingBottom="@dimen/medium_margin"
+            android:padding="@dimen/activity_margin"
-            android:paddingTop="@dimen/medium_margin"
             android:text="@string/change_filter"
             android:textSize="@dimen/bigger_text_size"
             android:visibility="gone"/>
@@ -48,8 +48,8 @@
             android:layout_height="match_parent"
             android:layout_alignParentEnd="true"
             android:layout_alignParentRight="true"
-            android:paddingLeft="@dimen/normal_margin"
+            android:paddingStart="@dimen/normal_margin"
-            android:paddingStart="@dimen/normal_margin">
+            android:paddingLeft="@dimen/normal_margin">
 
             <include layout="@layout/fastscroller_handle_vertical"/>