Working on Android APK building with Makefile

.gitignore

@@ -143,6 +143,7 @@ install_manifest.txt
 compile_commands.json
 CTestTestfile.cmake
 build
+!templates/android_project/Makefile
 
 # Unignore These makefiles...
 !examples/CMakeLists.txt

templates/android_project/AndroidManifest.xml

@@ -14,7 +14,7 @@
         android:versionCode="1" 
         android:versionName="1.0" >
 
-    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="17" />
+    <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="16" />
     <uses-feature android:glEsVersion="0x00020000" android:required="true" />
     <!--<supports-gl-texture android:name="GL_OES_compressed_ETC1_RGB8_texture" android:required="true"/>-->
     <!-- We do not have Java code. Therefore android:hasCode is set to false. -->

templates/android_project/Makefile

@@ -0,0 +1,127 @@
+#**************************************************************************************************
+#
+#   raylib makefile for Android project (APK building)
+#
+#   Copyright (c) 2017 Ramon Santamaria (@raysan5)
+#
+#   This software is provided "as-is", without any express or implied warranty. In no event
+#   will the authors be held liable for any damages arising from the use of this software.
+#
+#   Permission is granted to anyone to use this software for any purpose, including commercial
+#   applications, and to alter it and redistribute it freely, subject to the following restrictions:
+#
+#     1. The origin of this software must not be misrepresented; you must not claim that you
+#     wrote the original software. If you use this software in a product, an acknowledgment
+#     in the product documentation would be appreciated but is not required.
+#
+#     2. Altered source versions must be plainly marked as such, and must not be misrepresented
+#     as being the original software.
+#
+#     3. This notice may not be removed or altered from any source distribution.
+#
+#**************************************************************************************************
+
+# Android project name (.apk)  
+PROJECT_NAME = NativeActivity
+PROJECT_DIR = ./
+
+# define raylib platform to compile for
+PLATFORM ?= PLATFORM_ANDROID
+
+
+# Required path variables
+# NOTE: JAVA_HOME must be set to JDK
+ANDROID_HOME = C:/android-sdk
+ANDROID_NDK = C:/android-ndk
+ANDROID_TOOLCHAIN = C:/android_toolchain_arm_api16
+ANDROID_BUILD_TOOLS = C:/android-sdk/build-tools/25.0.3
+
+# Compilers
+CC = $(ANDROID_TOOLCHAIN)/bin/arm-linux-androideabi-gcc
+AR = $(ANDROID_TOOLCHAIN)/bin/arm-linux-androideabi-ar
+
+# define compiler flags
+CFLAGS = -O2 -s -Wall -std=c99 -DPLATFORM_ANDROID -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16
+
+# define any directories containing required header files
+INCLUDES = -I. -Ijni/include -I$(ANDROID_NDK)/sources/android/native_app_glue
+
+# define library paths containing required libs
+LFLAGS = -L. -Ljni/libs -Ljni
+
+# define any libraries to link into executable
+# if you want to link libraries (libname.so or libname.a), use the -lname
+LIBS = -lraylib -lopenal -llog -landroid -lEGL -lGLESv2 -lOpenSLES
+
+# Building APK
+#-----------------
+# typing 'make' will invoke the default target entry called 'all',
+all: native_app_glue \
+     project_code \
+     gen_keystore \
+     project_package \
+     project_class \
+     project_class_dex \
+     project_apk \
+     apk_signing \
+     apk_zip_align
+
+# compile native_app_glue static library
+# OUTPUT $(PROJECT_DIR)/jni/libnative_app_glue.a
+native_app_glue:
+	$(CC) -c $(ANDROID_NDK)/sources/android/native_app_glue/android_native_app_glue.c -o jni/native_app_glue.o $(CFLAGS)
+	$(AR) rcs $(PROJECT_DIR)/jni/libnative_app_glue.a jni/native_app_glue.o
+
+# compile project code as shared libraries
+# OUTPUT $(PROJECT_DIR)/lib/arm64-v8a/libnative-activity.so 
+project_code:
+	$(CC) -c jni/basic_game.c -o jni/basic_game.o $(INCLUDES) -I$(ANDROID_NDK)/sources/android/native_app_glue $(CFLAGS) --sysroot=$(ANDROID_TOOLCHAIN)/sysroot -fPIC 
+	$(CC) -o lib/libnative-activity.so jni/basic_game.o -shared $(INCLUDES) $(LFLAGS) $(LIBS) -lnative_app_glue
+
+# Generate key for APK
+# OUTPUT $(PROJECT_DIR)/ToyKey.keystore
+gen_keystore: 
+#	$(JAVA_HOME)/bin/keytool -genkeypair -validity 1000 -dname "CN=raylib,O=Android,C=JPN" -keystore ToyKey.keystore -storepass raylib -keypass raylib -alias $(PROJECT_NAME)Key -keyalg RSA
+
+# Creating src/com/example/native_activity/R.java
+# OUTPUT $(PROJECT_DIR)/src/com/example/native_activity/R.java
+# NOTE: DEPENDS on res/values/strings.xml
+project_package:
+	$(ANDROID_BUILD_TOOLS)/aapt package -f -m -S res -J src -M AndroidManifest.xml -I $(ANDROID_HOME)/platforms/android-16/android.jar
+
+# Creating obj/com/example/native_activity/R.class   
+# OUTPUT $(PROJECT_DIR)/obj/com/example/native_activity/R.class
+project_class:
+	$(JAVA_HOME)/bin/javac -source 1.7 -target 1.7 -d obj -classpath $(ANDROID_HOME)/platforms/android-16/android.jar -sourcepath src src/com/raylib/game_sample/R.java
+
+# Creating bin/classes/dex
+# OUTPUT $(PROJECT_DIR)/bin/classes.dex
+# NOTE: DEPENDS on obj/com/example/native_activity/R.class
+project_class_dex:
+	$(ANDROID_BUILD_TOOLS)/dx --dex --output=bin/classes.dex obj
+
+# Creating bin/$(PROJECT_NAME).unsigned.apk
+# NOTE: DEPENDS on bin/classes.dex lib/arm64-v8a/libnative-activity.so
+# Use -A resources to define additional directory in which to find raw asset files
+project_apk:
+	$(ANDROID_BUILD_TOOLS)/aapt package -f -m -M AndroidManifest.xml -S res -A assets -I $(ANDROID_HOME)/platforms/android-16/android.jar -F bin/$(PROJECT_NAME).unsigned.apk -J bin
+	$(ANDROID_BUILD_TOOLS)/aapt add $(PROJECT_DIR)/bin/$(PROJECT_NAME).unsigned.apk lib/libnative-activity.so
+
+# Creating bin/$(PROJECT_NAME).signed.apk
+apk_signing:
+	$(JAVA_HOME)/bin/jarsigner -keystore ToyKey.keystore -storepass raylib -keypass raylib -signedjar $(PROJECT_DIR)/bin/$(PROJECT_NAME).signed.apk bin/$(PROJECT_NAME).unsigned.apk $(PROJECT_NAME)Key
+
+# Creating bin/$(PROJECT_NAME).apk 
+apk_zip_align:
+	$(ANDROID_BUILD_TOOLS)/zipalign -f 4 bin/$(PROJECT_NAME).signed.apk bin/$(PROJECT_NAME).apk
+
+# Deploy to device
+deploy:
+	$(ANDROID_HOME)/platform-tools/adb install -r bin/$(PROJECT_NAME).apk
+	$(ANDROID_HOME)/platform-tools/adb logcat -c
+	$(ANDROID_HOME)/platform-tools/adb logcat *:W
+
+# clean everything
+clean:
+	del bin\* lib\* obj\* src\* /f/s/q
+	@echo Cleaning done

templates/android_project/jni/basic_game.c

@@ -14,6 +14,8 @@
 
 #include "raylib.h"
 
+#include "android_native_app_glue.h"
+
 //----------------------------------------------------------------------------------
 // Types and Structures Definition
 //----------------------------------------------------------------------------------