JonDouglas

using System;
using Android.App;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;

namespace NewCameraBroadcast
{

JonDouglas

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;

JonDouglas

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="NewCameraBroadcast.NewCameraBroadcast" android:versionCode="1" android:versionName="1.0" android:installLocation="auto">
	<uses-sdk android:minSdkVersion="19" android:targetSdkVersion="19" />
	<application android:label="NewCameraBroadcast" android:icon="@drawable/Icon"></application>
	<uses-feature android:name="android.hardware.camera"></uses-feature>
	<uses-permission android:name="android.permission.CAMERA" />
</manifest>

JonDouglas

<application ... >
    ...
    <!-- The main/home activity (it has no parent activity) -->
    <activity
        android:name="com.example.myfirstapp.MainActivity" ...>
        ...
    </activity>
    <!-- A child of the main activity -->
    <activity
        android:name="com.example.myfirstapp.DisplayMessageActivity"

JonDouglas

Platform Specific renderers can be found in the following namespaces:

iOS: Xamarin.Forms.Platform.iOS
Android: Xamarin.Forms.Platform.Android
Windows Phone: Xamarin.Forms.Platform.WinPhone

Base Renderer
To start with, all renders usually derive from a platform specific base renderer class that in turn inherit from a platform specific control.  If you want to create platform specific renderers from scratch you are probably going to be deriving them from the correct platform's base renderer class.  These have been substantially standardized in version 6201 with all controls inheriting from a generic version of ViewRenderer.  There is also a non-generic version that appears to be used sometimes by navigation controls.  The methods on these classes are also more in line with each other than they had been but still not the same.  For example the iOS version has a method called ViewOnUnfocusRequested while the Android's version of the same method is called OnUnfocusRequested.

iOS:

JonDouglas

C:\Users\Jon\Documents\Visual Studio 2013\Projects\App11>msbuild App11.sln /t:Bu
ild /p:Configuration=Ad-Hoc;Platform=iPhone
Microsoft (R) Build Engine version 4.0.30319.33440
[Microsoft .NET Framework, version 4.0.30319.34014]
Copyright (C) Microsoft Corporation. All rights reserved.

Building the projects in this solution one at a time. To enable parallel build,
please add the "/m" switch.
Build started 12/2/2014 9:58:45 AM.
Project "C:\Users\Jon\Documents\Visual Studio 2013\Projects\App11\App11.sln" on

JonDouglas

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using UpgradeTest.Renderers;
using UpgradeTest.WinPhone.Renderers;

JonDouglas

<Application
    x:Class="UpgradeTest.WinPhone.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone">

    <!--Application Resources-->
    <Application.Resources>
        <local:LocalizedStrings xmlns:local="clr-namespace:UpgradeTest.WinPhone" x:Key="LocalizedStrings"/>

JonDouglas

Approaching a Xamarin.Android Bindings Case

1. Investigation

One of the best ways to investigate a problematic Xamarin.Android Binding is to first ensure you have the proper tooling available:

• Diagnostic MSBuild Output Enabled(Instructions)
• Java Decompiler(http://jd.benow.ca/)
• .NET Decompiler(https://www.jetbrains.com/decompiler/)
• Binding SDK Documentation

JonDouglas

Xamarin.Android Performance Issues

1. Investigation

One of the best ways to investigate a problematic Xamarin.Android Errors is to first ensure you have the proper tooling available:

• Diagnostic MSBuild Output Enabled(Instructions)
• Android SDK Installed
• Android API Level Documentation