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Android Compiling on Mac OSX

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Seth Archambault 7 years ago
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Working-for-Android.md

@ -68,4 +68,190 @@ Again, Notepad++ comes with an already prepared script to do that. Just open `ra
**If you have any doubt, [just let me know][raysan5].** **If you have any doubt, [just let me know][raysan5].**
[raysan5]: mailto:raysan5@gmail.com "Ramon Santamaria - Ray San"
[raysan5]: mailto:raysan5@gmail.com "Ramon Santamaria - Ray San"
# Simple Process for Building for Android on MAC OSX
It's helpful to know step by step what each part of the process is doing. For this, let's create a simple bash script, where each line can be run manually and the results can be seen. This should be useful for understanding the process on Linux as well.
## Folder Setup
> Note: project.c is copied from raylib/templates/simple_game/simple_game.c
/toolchain_arm_api22 put android_toolchain_arm_api22 here
/raylib put raylib here
/project1/lib
/project1/obj
/project1/src
/project1/dex
/project1/res/values/strings.xml
/project1/assets
/project1/project.c
/project1/AndroidManifest.xml
### /res/values/strings.xml
> Note: This is likely not necessary.
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">My App</string>
</resources>
### /src/com/seth/project/NativeLoader.java
> Note: My project is named "project" and the namespace is named "seth"
package com.seth.project;
public class NativeLoader extends android.app.NativeActivity {
static {
System.loadLibrary("project"); // must match name of shared library (in this case libproject.so)
}
}
AndroidManifest.xml
<?xml version='1.0' encoding="utf-8" ?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package='com.seth.project' android:versionCode='0'
android:versionName='0' >
<application>
<activity android:name="com.seth.project.NativeLoader"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
android:configChanges="orientation|keyboardHidden|screenSize"
android:launchMode="singleTask"
android:clearTaskOnLaunch="true">
<intent-filter>
<category android:name='android.intent.category.LAUNCHER'/>
<action android:name='android.intent.action.MAIN'/>
</intent-filter>
</activity>
</application>
</manifest>
## Outline of the Process
cp Copy libs from raylib to lib
gcc Gen native_app_glue.o from raylib
ar rcs Gen obj/libnative_app_glue.a from native_app_glue.o
gcc Gen project.o from project.c
gcc Gen lib/libproject.so from obj/project.o
aapt package Gen R.java
javac Gen classes from R.java and NativeLoader.java
dx Gen classes.dex from objects
aapt package Gen project.unsigned.apk
aapt add Add shared library to project.unsigned.apk
keytool Generate keystore
jarsigner Gen project.signed.apk
zipalign Align project
adb install Install project
adb logcat view log
## Install Standalone Toolchain
Install ndk-bundle using Android Studio. Install this in t
~/Library/Android/sdk/ndk-bundle/build/tools/make-standalone-toolchain.sh --arch=arm --platform=android-22 --install-dir=./toolchain_arm_api22
## Install Raylib
Compile Raylib into ./raylib
## ~/.bash_profile
> Add these files to path so you won't have a big headache later on
export ANDROID_SDK_ROOT="/Users/watchmyfeet/Library/Android/sdk"
export PATH="${ANDROID_SDK_ROOT}/build-tools/27.0.3/:$PATH"
export PATH="${ANDROID_SDK_ROOT}/tools:$PATH"
export PATH="${ANDROID_SDK_ROOT}/tools/bin:$PATH"
export PATH="${ANDROID_SDK_ROOT}/platform-tools:$PATH"
## Initial Project Setup
> Note: Keytool is in java folder on system
cd project1
mkdir lib/armeabi-v7a
cp ../raylib/release/libs/android/armeabi-v7a/libraylib.a lib/armeabi-v7a/libraylib.a
keytool -genkeypair -validity 1000 -dname "CN=seth,O=Android,C=ES" -keystore project.keystore -storepass 'whatever' -keypass 'mypass' -alias projectKey -keyalg RSA
## Build Script
> Note: Here's step by step commands which lead to the installation of your project!
../toolchain_arm_api22/bin/arm-linux-androideabi-gcc -c ../raylib/src/external/android/native_app_glue/android_native_app_glue.c -o obj/native_app_glue.o -std=c99 -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -ffunction-sections -funwind-tables -fstack-protector-strong -fPIC -Wall -Wa,--noexecstack -Wformat -Werror=format-security -no-canonical-prefixes -DANDROID -DPLATFORM_ANDROID -D__ANDROID_API__=22
# Requires: folder setup
# Creates: obj/native_app_glue.o
# Note: This gcc uses other tools in the same toolchain folder structure, don't even thing about symlinking to it.
../toolchain_arm_api22/bin/arm-linux-androideabi-ar rcs obj/libnative_app_glue.a obj/native_app_glue.o
# Requires: obj/native_app_glue.o
# Creates: obj/libnative_app_glue.a
../toolchain_arm_api22/bin/arm-linux-androideabi-gcc -c project.c -o obj/project.o -I. -I../raylib/release/include -I../raylib/src/external/android/native_app_glue -std=c99 -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -ffunction-sections -funwind-tables -fstack-protector-strong -fPIC -Wall -Wa,--noexecstack -Wformat -Werror=format-security -no-canonical-prefixes -DANDROID -DPLATFORM_ANDROID -D__ANDROID_API__=22 --sysroot=../toolchain_arm_api22/sysroot
# Requires: project.c
# Creates: obj/project.o
../toolchain_arm_api22/bin/arm-linux-androideabi-gcc -o lib/armeabi-v7a/libproject.so obj/project.o -shared -I. -I../raylib/release/include -I../raylib/src/external/android/native_app_glue -Wl,-soname,libproject.so -Wl,--exclude-libs,libatomic.a -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -u ANativeActivity_onCreate -L. -Lobj -Llib/armeabi-v7a -lraylib -lnative_app_glue -llog -landroid -lEGL -lGLESv2 -lOpenSLES -latomic -lc -lm -ldl
# Requires: obj/project.o
# Creates: lib/armeabi-v7a/libproject.so
aapt package -f -m -S res -J src -M AndroidManifest.xml -I ${ANDROID_SDK_ROOT}/platforms/android-22/android.jar
# Requires: AndroidManifest.xml, res/
# Creates: src/com/seth/project/R.java
# javac -verbose -source 1.7 -target 1.7 -d obj -bootclasspath `/usr/libexec/java_home`/jre/lib/rt.jar -classpath ${ANDROID_SDK_ROOT}/platforms/android-22/android.jar:obj -sourcepath src src/com/seth/project/R.java src/com/seth/project/NativeLoader.java
# Requires: src/com/seth/project/R.java, src/com/seth/project/NativeLoader.java
# Creates: obj/com/seth/project/NativeLoader.class ... R&attr.class R$string.class R.class
dx --verbose --dex --output=dex/classes.dex obj
# Requires: obj/com/seth/project/NativeLoader.class ... R&attr.class R$string.class R.class
# Creates: dex/classes.dex
aapt package -f -M AndroidManifest.xml -S res -A assets -I ${ANDROID_SDK_ROOT}/platforms/android-22/android.jar -F project.unsigned.apk dex
# Creates: project.unsigned.apk
# Note: The "dex" at the end is the directory the classes.dex file is in! This folder can not contain the manifest file for whatever reason.
aapt add project.unsigned.apk lib/armeabi-v7a/libproject.so
# Does: Adds shared library to apk
jarsigner -keystore project.keystore -storepass whatever -keypass mypass -signedjar project.signed.apk project.unsigned.apk projectKey
# Does: Signs
zipalign -f 4 project.signed.apk project.apk
# Does: Aligns
adb install -r project.apk
# Does: install
## Error: couldn't find libprojectlibrary.so
You'll get this if your shared library's name does not match across the build. In my case, I was referencing projectlibrary in the java file where it should have just been "project"
## Error: INSTALL_FAILED_NO_MATCHING_ABIS
This one was tricky! Make sure the platform of the standalone toolchain you build matches the platform you are using on your system.
make-standalone-toolchain.sh --arch=arm --platform=android-22 --install-dir=./toolchain_arm_api22
${ANDROID_SDK_ROOT}/platforms/android-22
This command may also help.
adb shell getprop ro.product.cpu.abi
## Error: INSTALL_FAILED_DEXOPT
This one was easier. The Apk generated must contain classes/classes.dex. If it doesn't, check aapt package -f -M to make sure you are including the folder dex is in at the end of it.

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