From 8b1efdb8631462d50512ec8024d11ea53ee7fcfe Mon Sep 17 00:00:00 2001
From: Justin Klaassen <justinklaassen@google.com>
Date: Mon, 22 Jun 2015 15:10:53 -0700
Subject: Persist radian/degree mode

Bug: 21756459
Change-Id: Id8889c8a1f7cda255de2eeebedfbdc1fad7634b1
---
 src/com/android/calculator2/Evaluator.java | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/com/android/calculator2/Evaluator.java b/src/com/android/calculator2/Evaluator.java
index 8d10210..666790a 100644
--- a/src/com/android/calculator2/Evaluator.java
+++ b/src/com/android/calculator2/Evaluator.java
@@ -79,10 +79,13 @@
 package com.android.calculator2;
 
 import android.app.AlertDialog;
+import android.content.Context;
 import android.content.DialogInterface;
+import android.content.SharedPreferences;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Handler;
+import android.preference.PreferenceManager;
 import android.util.Log;
 
 import com.hp.creals.AbortedError;
@@ -101,6 +104,8 @@ import java.util.TimeZone;
 
 class Evaluator {
 
+    private static final String KEY_PREF_DEGREE_MODE = "degree_mode";
+
     private final Calculator mCalculator;
     private final CalculatorResult mResult;  // The result display View
     private CalculatorExpr mExpr;      // Current calculator expression
@@ -191,6 +196,8 @@ class Evaluator {
         // The expression may have changed since the last evaluation in ways that would
         // affect its value.
 
+    private SharedPreferences mSharedPrefs;
+
     Evaluator(Calculator calculator,
               CalculatorResult resultDisplay) {
         mCalculator = calculator;
@@ -199,7 +206,9 @@ class Evaluator {
         mSaved = new CalculatorExpr();
         mSavedName = "none";
         mTimeoutHandler = new Handler();
-        mDegreeMode = false;  // Remain compatible with previous versions.
+
+        mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(calculator);
+        mDegreeMode = mSharedPrefs.getBoolean(KEY_PREF_DEGREE_MODE, false);
     }
 
     // Result of asynchronous reevaluation
@@ -886,9 +895,13 @@ class Evaluator {
         mExpr.delete();
     }
 
-    void setDegreeMode(boolean degrees) {
+    void setDegreeMode(boolean degreeMode) {
         mChangedValue = true;
-        mDegreeMode = degrees;
+        mDegreeMode = degreeMode;
+
+        mSharedPrefs.edit()
+                .putBoolean(KEY_PREF_DEGREE_MODE, degreeMode)
+                .apply();
     }
 
     boolean getDegreeMode() {
-- 
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