Rewrote documentation

Rewrote some copy to provide more context and link to more GL-related repos, including GL JS. Put the various SDKs in a table so we can show the various CI bot status images.

Integrated target list into the relevant documents. Rewrote large portions of iOS and OS X setup documentation to guide normal developers to more friendly places. Combined some Android documentation.

Moved SDK-specific documentation into platform/. Added a temporary readme in ios/ that points to the one in platform/ios/.

1 files changed, 47 insertions, 0 deletions

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+# Contributing to the Mapbox iOS SDK
+
+This document explains how to build the Mapbox iOS SDK and the osxapp demo application for the purpose of developing the SDK itself.
+
+### Requirements
+
+The Mapbox iOS SDK and iosapp demo application build against the iOS 7.0 SDK and require Xcode on a computer running OS X.
+
+### Build
+
+[Install core dependencies](../../INSTALL.md), then run
+
+    make iproj
+
+Which will create and open an Xcode project that can build the entire library from source, as well as an Objective-C test app.
+
+If you don't have an Apple Developer account, change the destination from "My Mac" to a simulator such as "iPhone 6" before you run and build the app.
+
+### Access Tokens
+
+_The demo applications use Mapbox vector tiles, which require a Mapbox account and API access token. Obtain an access token on the [Mapbox account page](https://www.mapbox.com/studio/account/tokens/)._
+
+Set up the access token by editing the scheme for the application target, then adding an environment variable with the name `MAPBOX_ACCESS_TOKEN`.
+
+![edit scheme](https://cloud.githubusercontent.com/assets/98601/5460702/c4610262-8519-11e4-873a-8597821da468.png)
+
+![setting access token in Xcode scheme](https://cloud.githubusercontent.com/assets/162976/5349358/0a086f00-7f8c-11e4-8433-bdbaccda2b58.png)
+
+### Test
+
+Run
+
+    make itest
+
+To run the included integration tests on the command line.
+
+If you want to run the tests in Xcode instead, first `make ipackage` to create a local static library version, then open `test/ios/ios-tests.xcodeproj`, and lastly `Command + U` on the `Mapbox GL Tests` application target.
+
+### Usage
+
+- Pan to move
+- Pinch to zoom
+- Use two fingers to rotate
+- Double-tap to zoom in one level
+- Two-finger single-tap to zoom out one level
+- Double-tap, long-pressing the second, then pan up and down to "quick zoom" (iPhone only, meant for one-handed use)
+- Use the debug menu to add test annotations, reset position, and cycle through the debug options.