fill MyYearPagerAdapter

app/src/main/java/com/simplemobiletools/calendar/Constants.java

@@ -5,6 +5,7 @@ public class Constants {
     public static final float HIGH_ALPHA = .8f;
 
     public static final String DAY_CODE = "day_code";
+    public static final String YEAR_LABEL = "year";
     public static final String EVENT = "event";
 
     public static final int MONTHLY_VIEW = 1;

app/src/main/java/com/simplemobiletools/calendar/Formatter.java

@@ -9,8 +9,8 @@ import org.joda.time.format.DateTimeFormatter;
 
 public class Formatter {
     public static final String DAYCODE_PATTERN = "YYYYMMdd";
+    public static final String YEAR_PATTERN = "YYYY";
     private static final String DAY_PATTERN = "d";
-    private static final String YEAR_PATTERN = "YYYY";
     private static final String EVENT_DATE_PATTERN = "d YYYY"; // MMMM doesn't give the proper month name in some languages
     private static final String EVENT_TIME_PATTERN = "HH:mm";
 

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

@@ -7,6 +7,7 @@ import android.view.MenuItem
 import com.simplemobiletools.calendar.*
 import com.simplemobiletools.calendar.Formatter
 import com.simplemobiletools.calendar.adapters.MyMonthPagerAdapter
+import com.simplemobiletools.calendar.adapters.MyYearPagerAdapter
 import com.simplemobiletools.calendar.extensions.updateWidget
 import kotlinx.android.synthetic.main.activity_main.*
 import org.joda.time.DateTime
@@ -15,6 +16,7 @@ import java.util.*
 
 class MainActivity : SimpleActivity(), NavigationListener {
     private val PREFILLED_MONTHS = 73
+    private val PREFILLED_YEARS = 21
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -73,10 +75,10 @@ class MainActivity : SimpleActivity(), NavigationListener {
 
     private fun updateViewPager() {
         if (mConfig.view == Constants.MONTHLY_VIEW) {
-            val today = DateTime().toString(Formatter.DAYCODE_PATTERN)
-            fillMonthlyViewPager(today)
+            val targetDay = DateTime().toString(Formatter.DAYCODE_PATTERN)
+            fillMonthlyViewPager(targetDay)
         } else {
-
+            fillYearlyViewPager()
         }
     }
 
@@ -87,8 +89,8 @@ class MainActivity : SimpleActivity(), NavigationListener {
         startActivity(intent)
     }
 
-    private fun fillMonthlyViewPager(targetMonth: String) {
-        val codes = getMonths(targetMonth)
+    private fun fillMonthlyViewPager(targetDay: String) {
+        val codes = getMonths(targetDay)
         val adapter = MyMonthPagerAdapter(supportFragmentManager, codes, this)
         view_pager.adapter = adapter
         view_pager.currentItem = codes.size / 2
@@ -104,6 +106,22 @@ class MainActivity : SimpleActivity(), NavigationListener {
         return months
     }
 
+    private fun fillYearlyViewPager() {
+        val targetYear = DateTime().toString(Formatter.YEAR_PATTERN).toInt()
+        val years = getYears(targetYear)
+        val adapter = MyYearPagerAdapter(supportFragmentManager, years, this)
+        view_pager.adapter = adapter
+        view_pager.currentItem = years.size / 2
+    }
+
+    private fun getYears(targetYear: Int): List<Int> {
+        val years = ArrayList<Int>(PREFILLED_YEARS)
+        for (i in targetYear - PREFILLED_YEARS / 2..targetYear + PREFILLED_YEARS / 2)
+            years.add(i)
+
+        return years
+    }
+
     override fun goLeft() {
         view_pager.currentItem = view_pager.currentItem - 1
     }

app/src/main/kotlin/com/simplemobiletools/calendar/adapters/MyYearPagerAdapter.kt

@@ -0,0 +1,27 @@
+package com.simplemobiletools.calendar.adapters
+
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.support.v4.app.FragmentManager
+import android.support.v4.app.FragmentStatePagerAdapter
+import com.simplemobiletools.calendar.Constants
+import com.simplemobiletools.calendar.NavigationListener
+import com.simplemobiletools.calendar.fragments.YearFragment
+
+class MyYearPagerAdapter(fm: FragmentManager, private val mYears: List<Int>, private val mListener: NavigationListener) : FragmentStatePagerAdapter(fm) {
+
+    override fun getCount(): Int {
+        return mYears.size
+    }
+
+    override fun getItem(position: Int): Fragment {
+        val bundle = Bundle()
+        val year = mYears[position]
+        bundle.putInt(Constants.YEAR_LABEL, year)
+
+        val fragment = YearFragment()
+        fragment.arguments = bundle
+        fragment.setListener(mListener)
+        return fragment
+    }
+}

app/src/main/kotlin/com/simplemobiletools/calendar/fragments/YearFragment.kt

@@ -0,0 +1,27 @@
+package com.simplemobiletools.calendar.fragments
+
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.simplemobiletools.calendar.Constants
+import com.simplemobiletools.calendar.NavigationListener
+import com.simplemobiletools.calendar.R
+
+class YearFragment : Fragment() {
+    private var mListener: NavigationListener? = null
+    private var mYear = 0
+
+    override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater!!.inflate(R.layout.year_fragment, container, false)
+
+        mYear = arguments.getInt(Constants.YEAR_LABEL)
+
+        return view
+    }
+
+    fun setListener(listener: NavigationListener) {
+        mListener = listener
+    }
+}

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/calendar_holder"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+</RelativeLayout>