adding an initial implementation of a Contacts fetcher

app/build.gradle

@@ -32,5 +32,5 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.2.4'
+    implementation 'com.simplemobiletools:commons:3.2.5'
 }

app/src/main/java/com/simplemobiletools/contacts/activities/MainActivity.kt

@@ -13,6 +13,7 @@ import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_CONTACTS
 import com.simplemobiletools.contacts.BuildConfig
 import com.simplemobiletools.contacts.R
 import com.simplemobiletools.contacts.extensions.config
+import com.simplemobiletools.contacts.helpers.ContactsHelper
 
 class MainActivity : SimpleActivity() {
     var storedUseEnglish = false
@@ -68,6 +69,8 @@ class MainActivity : SimpleActivity() {
     }
 
     private fun initContacts() {
+        ContactsHelper(this).getContacts {
 
         }
+    }
 }

app/src/main/java/com/simplemobiletools/contacts/helpers/Constants.kt

@@ -0,0 +1 @@
+package com.simplemobiletools.contacts.helpers

app/src/main/java/com/simplemobiletools/contacts/helpers/ContactsHelper.kt

@@ -0,0 +1,44 @@
+package com.simplemobiletools.contacts.helpers
+
+import android.database.Cursor
+import android.provider.ContactsContract
+import com.simplemobiletools.commons.extensions.getIntValue
+import com.simplemobiletools.commons.extensions.getStringValue
+import com.simplemobiletools.commons.extensions.showErrorToast
+import com.simplemobiletools.contacts.activities.SimpleActivity
+import com.simplemobiletools.contacts.models.Contact
+
+class ContactsHelper(val activity: SimpleActivity) {
+    fun getContacts(callback: (ArrayList<Contact>) -> Unit) {
+        val contacts = ArrayList<Contact>()
+        Thread {
+            val uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI
+            val projection = arrayOf(
+                    ContactsContract.CommonDataKinds.Phone.CONTACT_ID,
+                    ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME,
+                    ContactsContract.CommonDataKinds.Phone.NUMBER,
+                    ContactsContract.CommonDataKinds.Phone.PHOTO_URI
+            )
+
+            var cursor: Cursor? = null
+            try {
+                cursor = activity.contentResolver.query(uri, projection, null, null, null)
+                if (cursor?.moveToFirst() == true) {
+                    do {
+                        val id = cursor.getIntValue(ContactsContract.CommonDataKinds.Phone.CONTACT_ID)
+                        val name = cursor.getStringValue(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME) ?: continue
+                        val number = cursor.getStringValue(ContactsContract.CommonDataKinds.Phone.NUMBER) ?: continue
+                        val photoUri = cursor.getStringValue(ContactsContract.CommonDataKinds.Phone.PHOTO_URI) ?: ""
+                        val contact = Contact(id, name, number, photoUri)
+                        contacts.add(contact)
+                    } while (cursor.moveToNext())
+                }
+            } catch (e: Exception) {
+                activity.showErrorToast(e)
+            } finally {
+                cursor?.close()
+            }
+            callback(contacts)
+        }.start()
+    }
+}

app/src/main/java/com/simplemobiletools/contacts/models/Contact.kt

@@ -0,0 +1,3 @@
+package com.simplemobiletools.contacts.models
+
+data class Contact(val id: Int, var name: String, var number: String, var photoUri: String)

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

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/contact_frame"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?attr/selectableItemBackground"
+    android:clickable="true"
+    android:focusable="true"
+    android:foreground="@drawable/selector">
+
+    <RelativeLayout
+        android:id="@+id/contact_holder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingRight="@dimen/activity_margin">
+
+        <ImageView
+            android:id="@+id/contact_tmb"
+            android:layout_width="@dimen/normal_icon_size"
+            android:layout_height="@dimen/normal_icon_size"
+            android:padding="@dimen/medium_margin"
+            android:src="@drawable/ic_person"/>
+
+        <TextView
+            android:id="@+id/contact_name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@+id/contact_tmb"
+            android:layout_toRightOf="@+id/contact_tmb"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:paddingLeft="@dimen/small_margin"
+            android:paddingTop="@dimen/small_margin"
+            tools:text="John Doe"/>
+
+        <TextView
+            android:id="@+id/contact_number"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/contact_name"
+            android:layout_toRightOf="@+id/contact_tmb"
+            android:maxLines="1"
+            android:paddingLeft="@dimen/small_margin"
+            android:textSize="@dimen/smaller_text_size"
+            tools:text="0123 456 789"/>
+
+    </RelativeLayout>
+</FrameLayout>