example/sprite: switch to gomobile build

Fixes #10523.

Change-Id: Ic0bf345624f6584757e2af5cb91a679827ee3b13
Reviewed-on: https://go-review.googlesource.com/9340
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>

example/sprite/AndroidManifest.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-Copyright 2014 The Go Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<manifest
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	package="com.example.sprite"
-	android:versionCode="1"
-	android:versionName="1.0">
-
-	<uses-sdk android:minSdkVersion="9" />
-	<application android:label="Sprite" android:hasCode="false">
-	<activity android:name="android.app.NativeActivity"
-		android:label="Sprite"
-		android:configChanges="orientation|keyboardHidden">
-		<meta-data android:name="android.app.lib_name" android:value="sprite" />
-		<intent-filter>
-			<action android:name="android.intent.action.MAIN" />
-			<category android:name="android.intent.category.LAUNCHER" />
-		</intent-filter>
-	</activity>
-	</application>
-</manifest> 

example/sprite/all.bash

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2014 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# Script to build and launch the app on an android device.
-
-set -e
-
-./make.bash
-
-adb install -r bin/nativeactivity-debug.apk
-
-adb shell am start -a android.intent.action.MAIN \
-	-n com.example.sprite/android.app.NativeActivity

example/sprite/all.bat

@@ -1,16 +0,0 @@
-:: Copyright 2014 The Go Authors. All rights reserved.
-:: Use of this source code is governed by a BSD-style
-:: license that can be found in the LICENSE file.
-
-@echo off
-
-setlocal
-
-echo # building sprite
-call make.bat
-
-echo # installing bin/nativeactivity-debug.apk
-adb install -r bin/nativeactivity-debug.apk >nul
-
-echo # starting android.app.NativeActivity
-adb shell am start -a android.intent.action.MAIN -n com.example.sprite/android.app.NativeActivity >nul

example/sprite/build.xml

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-Copyright 2014 The Go Authors. All rights reserved.
-Use of this source code is governed by a BSD-style
-license that can be found in the LICENSE file.
--->
-<project name="nativeactivity" default="help">
-	<property name="target" value="android-19" />
-	<property environment="env" />
-	<condition property="sdk.dir" value="${env.ANDROID_HOME}">
-		<isset property="env.ANDROID_HOME" />
-	</condition>
-	<fail message="missing ANDROID_HOME env variable" unless="sdk.dir" />
-	<import file="${sdk.dir}/tools/ant/build.xml" />
-</project>

example/sprite/jni/Android.mk

@@ -1,11 +0,0 @@
-# Copyright 2014 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_MODULE    := sprite
-LOCAL_SRC_FILES := $(TARGET_ARCH_ABI)/libsprite.so
-
-include $(PREBUILT_SHARED_LIBRARY)

example/sprite/main.go

@@ -2,6 +2,65 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// TODO(jbd): Refer to http://golang.org/doc/install/source
+// once Go 1.5 instructions are complete.
+
+// An app that demonstrates the sprite package.
+//
+// Note: This demo is an early preview of Go 1.5. In order to build this
+// program as an Android APK using the gomobile tool, you need to install
+// Go 1.5 from the source.
+//
+// Clone the source from the tip under $HOME/go directory. On Windows,
+// you may like to clone the repo to your user folder, %USERPROFILE%\go.
+//
+//   $ git clone https://go.googlesource.com/go $HOME/go
+//
+// Go 1.5 requires Go 1.4. Read more about this requirement at
+// http://golang.org/s/go15bootstrap.
+// Set GOROOT_BOOTSTRAP to the GOROOT of your existing 1.4 installation or
+// follow the steps below to checkout go1.4 from the source and build.
+//
+//   $ git clone https://go.googlesource.com/go $HOME/go1.4
+//   $ cd $HOME/go1.4
+//   $ git checkout go1.4.1
+//   $ cd src && ./make.bash
+//
+// If you clone Go 1.4 to a different destination, set GOROOT_BOOTSTRAP
+// environmental variable accordingly.
+//
+// Build Go 1.5 and add Go 1.5 bin to your path.
+//
+//   $ cd $HOME/go/src && ./make.bash
+//   $ export PATH=$PATH:$HOME/go/bin
+//
+// Set a GOPATH if no GOPATH is set, add $GOPATH/bin to your path.
+//
+//   $ export GOPATH=$HOME
+//   $ export PATH=$PATH:$GOPATH/bin
+//
+// Get the gomobile tool and initialize.
+//
+//   $ go get golang.org/x/mobile/cmd/gomobile
+//   $ gomobile init
+//
+// It may take a while to initialize gomobile, please wait.
+//
+// Get the sprite example and use gomobile to build or install it on your device.
+//
+//   $ go get -d golang.org/x/mobile/example/sprite
+//   $ gomobile build golang.org/x/mobile/example/sprite # will build an APK
+//
+//   # plug your Android device to your computer or start an Android emulator.
+//   # if you have adb installed on your machine, use gomobile install to
+//   # build and deploy the APK to an Android target.
+//   $ gomobile install golang.org/x/mobile/example/sprite
+//
+// Switch to your device or emulator to start the Basic application from
+// the launcher.
+// You can also run the application on your desktop by running the command
+// below. (Note: It currently doesn't work on Windows.)
+//   $ go install golang.org/x/mobile/example/sprite && sprite
 package main
 
 import (

example/sprite/make.bash

@@ -1,17 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2014 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-set -e
-
-if [ ! -f make.bash ]; then
-	echo 'make.bash must be run from $GOPATH/src/golang.org/x/mobile/example/sprite'
-	exit 1
-fi
-
-mkdir -p jni/armeabi
-CGO_ENABLED=1 GOOS=android GOARCH=arm GOARM=7 \
-	go build -ldflags="-shared" -o jni/armeabi/libsprite.so .
-ndk-build NDK_DEBUG=1
-ant debug

example/sprite/make.bat

@@ -1,44 +0,0 @@
-:: Copyright 2014 The Go Authors. All rights reserved.
-:: Use of this source code is governed by a BSD-style
-:: license that can be found in the LICENSE file.
-
-@echo off
-
-setlocal
-
-if not exist make.bat goto error-invalid-path
-
-if not exist jni\armeabi mkdir jni\armeabi
-
-set CGO_ENABLED=1
-set GOOS=android
-set GOARCH=arm
-set GOARM=7
-
-go build -ldflags="-shared" -o jni/armeabi/libsprite.so .
-if errorlevel 1 goto error-go-build
-
-if defined NDK_ROOT goto ndk-build
-echo NDK_ROOT path not defined
-goto end
-
-:ndk-build
-call %NDK_ROOT%\ndk-build.cmd NDK_DEBUG=1 >nul
-
-if defined ANT_HOME goto ant-build
-echo ANT_HOME path not defined
-goto end
-
-:ant-build
-call %ANT_HOME%\bin\ant.bat debug >nul
-goto end
-
-:error-invalid-path
-echo make.bat must be run from %%GOPATH%%\src\golang.org\x\mobile\example\sprite
-goto end
-
-:error-go-build
-echo Error building go lib
-goto end
-
-:end