populating the main viewpager and top tabs

app/build.gradle

@@ -37,4 +37,5 @@ android {
 
 dependencies {
     implementation 'com.simplemobiletools:commons:5.27.9'
+    implementation 'com.github.tibbi:IndicatorFastScroll:08f512858a'
 }

app/src/main/AndroidManifest.xml

@@ -1,8 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.simplemobiletools.dialer"
     android:installLocation="auto">
 
+    <uses-permission android:name="android.permission.READ_CONTACTS"/>
+    <uses-permission android:name="android.permission.GET_ACCOUNTS"/>
+
+    <uses-permission
+        android:name="android.permission.USE_FINGERPRINT"
+        tools:node="remove" />
+
     <application
         android:name=".App"
         android:allowBackup="true"
@@ -36,7 +44,7 @@
         <activity
             android:name="com.simplemobiletools.commons.activities.CustomizationActivity"
             android:label="@string/customize_colors"
-            android:parentActivityName=".activities.SettingsActivity"/>
+            android:parentActivityName=".activities.SettingsActivity" />
 
         <activity
             android:name="com.simplemobiletools.commons.activities.FAQActivity"
@@ -46,7 +54,7 @@
         <activity
             android:name=".activities.SettingsActivity"
             android:label="@string/settings"
-            android:parentActivityName=".activities.MainActivity"/>
+            android:parentActivityName=".activities.MainActivity" />
 
     </application>
 </manifest>

app/src/main/kotlin/com/simplemobiletools/dialer/activities/MainActivity.kt

@@ -1,20 +1,36 @@
 package com.simplemobiletools.dialer.activities
 
 import android.content.Intent
+import android.graphics.drawable.ColorDrawable
+import android.graphics.drawable.Drawable
 import android.os.Bundle
+import android.os.Handler
 import android.view.Menu
 import android.view.MenuItem
-import com.simplemobiletools.commons.extensions.appLaunched
+import androidx.viewpager.widget.ViewPager
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.commons.helpers.PERMISSION_GET_ACCOUNTS
+import com.simplemobiletools.commons.helpers.PERMISSION_READ_CONTACTS
 import com.simplemobiletools.commons.models.FAQItem
 import com.simplemobiletools.dialer.BuildConfig
 import com.simplemobiletools.dialer.R
+import com.simplemobiletools.dialer.adapters.ViewPagerAdapter
+import com.simplemobiletools.dialer.extensions.config
+import com.simplemobiletools.dialer.helpers.ALL_TABS_MASK
+import com.simplemobiletools.dialer.helpers.tabsList
+import kotlinx.android.synthetic.main.activity_main.*
+import kotlinx.android.synthetic.main.fragment_contacts.*
 
 class MainActivity : SimpleActivity() {
+    private var isGettingContacts = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         appLaunched(BuildConfig.APPLICATION_ID)
+
+        setupTabColors()
+        checkContactPermissions()
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -32,6 +48,102 @@ class MainActivity : SimpleActivity() {
         return true
     }
 
+    private fun checkContactPermissions() {
+        handlePermission(PERMISSION_READ_CONTACTS) {
+            if (it) {
+                handlePermission(PERMISSION_GET_ACCOUNTS) {
+                    initFragments()
+                }
+            } else {
+                initFragments()
+            }
+        }
+    }
+
+    private fun setupTabColors() {
+        val lastUsedPage = config.lastUsedViewPagerPage
+        main_tabs_holder.apply {
+            background = ColorDrawable(config.backgroundColor)
+            setSelectedTabIndicatorColor(getAdjustedPrimaryColor())
+            getTabAt(lastUsedPage)?.select()
+            getTabAt(lastUsedPage)?.icon?.applyColorFilter(getAdjustedPrimaryColor())
+
+            getInactiveTabIndexes(lastUsedPage).forEach {
+                getTabAt(it)?.icon?.applyColorFilter(config.textColor)
+            }
+        }
+    }
+
+    private fun getInactiveTabIndexes(activeIndex: Int) = (0 until tabsList.size).filter { it != activeIndex }
+
+    private fun initFragments() {
+        viewpager.offscreenPageLimit = tabsList.size - 1
+        viewpager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
+            override fun onPageScrollStateChanged(state: Int) {}
+
+            override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {}
+
+            override fun onPageSelected(position: Int) {
+                main_tabs_holder.getTabAt(position)?.select()
+                getAllFragments().forEach {
+                    it?.finishActMode()
+                }
+                invalidateOptionsMenu()
+            }
+        })
+
+        viewpager.onGlobalLayout {
+            refreshContacts(ALL_TABS_MASK)
+        }
+
+        main_tabs_holder.onTabSelectionChanged(
+            tabUnselectedAction = {
+                it.icon?.applyColorFilter(config.textColor)
+            },
+            tabSelectedAction = {
+                viewpager.currentItem = it.position
+                it.icon?.applyColorFilter(getAdjustedPrimaryColor())
+            }
+        )
+
+        main_tabs_holder.removeAllTabs()
+        tabsList.forEachIndexed { index, value ->
+            val tab = main_tabs_holder.newTab().setIcon(getTabIcon(index))
+            main_tabs_holder.addTab(tab, index, config.lastUsedViewPagerPage == index)
+        }
+
+        // selecting the proper tab sometimes glitches, add an extra selector to make sure we have it right
+        main_tabs_holder.onGlobalLayout {
+            Handler().postDelayed({
+                main_tabs_holder.getTabAt(config.lastUsedViewPagerPage)?.select()
+                invalidateOptionsMenu()
+            }, 100L)
+        }
+    }
+
+    private fun getTabIcon(position: Int): Drawable {
+        val drawableId = when (position) {
+            else -> R.drawable.ic_person_vector
+        }
+
+        return resources.getColoredDrawableWithColor(drawableId, config.textColor)
+    }
+
+    fun refreshContacts(refreshTabsMask: Int) {
+        if (isDestroyed || isFinishing || isGettingContacts) {
+            return
+        }
+
+        isGettingContacts = true
+
+        if (viewpager.adapter == null) {
+            viewpager.adapter = ViewPagerAdapter(this)
+            viewpager.currentItem = config.lastUsedViewPagerPage
+        }
+    }
+
+    private fun getAllFragments() = arrayListOf(contacts_fragment)
+
     private fun launchAbout() {
         val licenses = 0
 

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

@@ -0,0 +1,35 @@
+package com.simplemobiletools.dialer.adapters
+
+import android.view.View
+import android.view.ViewGroup
+import androidx.viewpager.widget.PagerAdapter
+import com.simplemobiletools.dialer.R
+import com.simplemobiletools.dialer.activities.SimpleActivity
+import com.simplemobiletools.dialer.fragments.MyViewPagerFragment
+
+class ViewPagerAdapter(val activity: SimpleActivity) : PagerAdapter() {
+
+    override fun instantiateItem(container: ViewGroup, position: Int): Any {
+        val layout = getFragment(position)
+        val view = activity.layoutInflater.inflate(layout, container, false)
+        container.addView(view)
+
+        (view as MyViewPagerFragment).apply {
+            setupFragment(activity)
+        }
+
+        return view
+    }
+
+    override fun destroyItem(container: ViewGroup, position: Int, item: Any) {
+        container.removeView(item as View)
+    }
+
+    override fun getCount() = 1
+
+    override fun isViewFromObject(view: View, item: Any) = view == item
+
+    private fun getFragment(position: Int): Int {
+        return R.layout.fragment_contacts
+    }
+}

app/src/main/kotlin/com/simplemobiletools/dialer/fragments/MyViewPagerFragment.kt

@@ -3,6 +3,7 @@ package com.simplemobiletools.dialer.fragments
 import android.content.Context
 import android.util.AttributeSet
 import androidx.coordinatorlayout.widget.CoordinatorLayout
+import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.extensions.underlineText
 import com.simplemobiletools.dialer.activities.SimpleActivity
 import com.simplemobiletools.dialer.extensions.config
@@ -25,4 +26,8 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
             fragment_placeholder_2?.underlineText()
         }
     }
+
+    fun finishActMode() {
+        (fragment_list.adapter as? MyRecyclerViewAdapter)?.finishActMode()
+    }
 }

app/src/main/kotlin/com/simplemobiletools/dialer/helpers/Constants.kt

@@ -1 +1,8 @@
 package com.simplemobiletools.dialer.helpers
+
+const val CONTACTS_TAB_MASK = 1
+const val FAVORITES_TAB_MASK = 2
+const val HISTORY_TAB_MASK = 4
+const val ALL_TABS_MASK = CONTACTS_TAB_MASK or FAVORITES_TAB_MASK or HISTORY_TAB_MASK
+
+val tabsList = arrayListOf(CONTACTS_TAB_MASK)

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

@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.simplemobiletools.contacts.pro.fragments.ContactsFragment
+<com.simplemobiletools.dialer.fragments.ContactsFragment xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/contacts_fragment"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <include layout="@layout/fragment_letters_layout"/>
+    <include layout="@layout/fragment_letters_layout" />
 
-</com.simplemobiletools.contacts.pro.fragments.ContactsFragment>
+</com.simplemobiletools.dialer.fragments.ContactsFragment>