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Commit 88f8434

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RedthRedth
authored
Merge pull request #2 from xamarin/preferences
Preferences
2 parents 96c9800 + e0e5007 commit 88f8434

14 files changed

+495
-77
lines changed

‎F50.Tests/UnitTest1.cs

+9-9
Original file line numberDiff line numberDiff line change
@@ -2,13 +2,13 @@
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using Xunit;
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namespace F50.Tests
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{
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public class UnitTest1
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{
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[Fact]
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public void Test1()
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{
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}
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}
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{
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public class UnitTest1
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{
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[Fact]
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public void Test1()
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{
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}
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}
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}

‎F50/F50.csproj

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@@ -1,7 +1,8 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>netstandard1.0;netstandard2.0;Xamarin.iOS10;MonoAndroid80;uap10.0.16299</TargetFrameworks>
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<TargetFrameworks Condition=" '$(OS)' == 'Windows_NT' ">netstandard1.0;netstandard2.0;Xamarin.iOS10;MonoAndroid80;uap10.0.16299</TargetFrameworks>
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<TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netstandard1.0;netstandard2.0;Xamarin.iOS10;MonoAndroid80</TargetFrameworks>
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<AssemblyName>Xamarin.F50</AssemblyName>
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<RootNamespace>Xamarin.F50</RootNamespace>
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<PackageId>Xamarin.F50</PackageId>
@@ -22,7 +23,7 @@
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<Copyright>Copyright 2018</Copyright>
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<RepositoryUrl>https://github.com/xamarin/f50</RepositoryUrl>
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<PackageReleaseNotes>See: https://github.com/xamarin/f50 </PackageReleaseNotes>
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<LangVersion>default</LangVersion>
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<LangVersion>7.1</LangVersion>
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<DefineConstants>$(DefineConstants);</DefineConstants>
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<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
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<GenerateDocumentationFile Condition=" '$(Configuration)' == 'Release' ">true</GenerateDocumentationFile>

‎F50/Platform/Platform.android.cs

+73
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@@ -0,0 +1,73 @@
1+
using Android.App;
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using Android.Content;
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using Android.OS;
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using System;
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namespace Xamarin.F50
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{
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public partial class Platform
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{
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static ActivityLifecycleContextListener lifecycleListener;
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internal static Context CurrentContext =>
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lifecycleListener?.Context ?? Application.Context;
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internal static Activity CurrentActivity =>
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lifecycleListener?.Activity;
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public static void Init(Activity activity, Bundle bundle)
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{
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lifecycleListener = new ActivityLifecycleContextListener();
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activity.Application.RegisterActivityLifecycleCallbacks(lifecycleListener);
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}
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}
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class ActivityLifecycleContextListener : Java.Lang.Object, Application.IActivityLifecycleCallbacks
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{
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WeakReference<Activity> currentActivity = new WeakReference<Activity>(null);
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public Context Context =>
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Activity ?? Application.Context;
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public Activity Activity
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{
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get
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{
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Activity a;
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if (currentActivity.TryGetTarget(out a))
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return a;
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return null;
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}
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}
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public void OnActivityCreated(Activity activity, Bundle savedInstanceState)
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{
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}
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public void OnActivityDestroyed(Activity activity)
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{
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}
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public void OnActivityPaused(Activity activity)
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{
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currentActivity.SetTarget(null);
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}
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public void OnActivityResumed(Activity activity)
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{
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currentActivity.SetTarget(activity);
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}
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public void OnActivitySaveInstanceState(Activity activity, Bundle outState)
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{
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}
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public void OnActivityStarted(Activity activity)
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{
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}
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public void OnActivityStopped(Activity activity)
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{
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}
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}
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}

‎F50/Platform/Platform.ios.cs

+6
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@@ -0,0 +1,6 @@
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namespace Xamarin.F50
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{
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public partial class Platform
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{
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}
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}

‎F50/Platform/Platform.netstandard.cs

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namespace Xamarin.F50
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{
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public partial class Platform
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{
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}
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}

‎F50/Platform/Platform.shared.cs

+6
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namespace Xamarin.F50
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{
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public partial class Platform
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{
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}
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}

‎F50/Platform/Platform.uwp.cs

+6
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@@ -0,0 +1,6 @@
1+
namespace Xamarin.F50
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{
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public partial class Platform
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{
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}
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}

‎F50/Preferences/Preferences.android.cs

+130-4
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,140 @@
11
using System;
2-
using System.Collections.Generic;
3-
using System.Text;
2+
using System.Globalization;
3+
using Android.App;
4+
using Android.Content;
5+
using Android.Preferences;
46

57
namespace Xamarin.F50
68
{
79
public partial class Preferences
810
{
9-
public void Set(string key, string val)
10-
{
11+
static readonly object locker = new object();
1112

13+
public bool ContainsKey(string key)
14+
{
15+
lock (locker)
16+
{
17+
using (var sharedPreferences = GetSharedPreferences())
18+
{
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return sharedPreferences.Contains(key);
20+
}
21+
}
22+
}
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24+
public void Remove(string key)
25+
{
26+
lock (locker)
27+
{
28+
using (var sharedPreferences = GetSharedPreferences())
29+
using (var editor = sharedPreferences.Edit())
30+
{
31+
editor.Remove(key).Commit();
32+
}
33+
}
34+
}
35+
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public void Clear()
37+
{
38+
lock (locker)
39+
{
40+
using (var sharedPreferences = GetSharedPreferences())
41+
using (var editor = sharedPreferences.Edit())
42+
{
43+
editor.Clear().Commit();
44+
}
45+
}
46+
}
47+
48+
void Set<T>(string key, T value)
49+
{
50+
lock (locker)
51+
{
52+
using (var sharedPreferences = GetSharedPreferences())
53+
using (var editor = sharedPreferences.Edit())
54+
{
55+
switch (value)
56+
{
57+
case string s:
58+
editor.PutString(key, s);
59+
break;
60+
case int i:
61+
editor.PutInt(key, i);
62+
break;
63+
case bool b:
64+
editor.PutBoolean(key, b);
65+
break;
66+
case long l:
67+
editor.PutLong(key, l);
68+
break;
69+
case double d:
70+
var valueString = Convert.ToString(value, CultureInfo.InvariantCulture);
71+
editor.PutString(key, valueString);
72+
break;
73+
case float f:
74+
editor.PutFloat(key, f);
75+
break;
76+
}
77+
editor.Apply();
78+
}
79+
}
80+
}
81+
82+
T Get<T>(string key, T defaultValue)
83+
{
84+
lock (locker)
85+
{
86+
object value = null;
87+
using (var sharedPreferences = GetSharedPreferences())
88+
{
89+
switch (defaultValue)
90+
{
91+
case string s:
92+
value = sharedPreferences.GetString(key, s);
93+
break;
94+
case int i:
95+
value = sharedPreferences.GetInt(key, i);
96+
break;
97+
case bool b:
98+
value = sharedPreferences.GetBoolean(key, b);
99+
break;
100+
case long l:
101+
value = sharedPreferences.GetLong(key, l);
102+
break;
103+
case double d:
104+
var savedDouble = sharedPreferences.GetString(key, null);
105+
if (string.IsNullOrWhiteSpace(savedDouble))
106+
{
107+
value = defaultValue;
108+
}
109+
else
110+
{
111+
double outDouble;
112+
if (!double.TryParse(savedDouble, out outDouble))
113+
{
114+
var maxString = Convert.ToString(double.MaxValue, CultureInfo.InvariantCulture);
115+
outDouble = savedDouble.Equals(maxString) ? double.MaxValue : double.MinValue;
116+
}
117+
118+
value = outDouble;
119+
}
120+
break;
121+
case float f:
122+
value = sharedPreferences.GetFloat(key, f);
123+
break;
124+
}
125+
}
126+
127+
return (T)value;
128+
}
129+
}
130+
131+
ISharedPreferences GetSharedPreferences()
132+
{
133+
var context = Application.Context;
134+
135+
return string.IsNullOrWhiteSpace(SharedName) ?
136+
PreferenceManager.GetDefaultSharedPreferences(context) :
137+
context.GetSharedPreferences(SharedName, FileCreationMode.Private);
12138
}
13139
}
14140
}

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