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!/usr/bin/env python

-- coding: utf-8 --

import os
import subprocess
import shutil

def main():

sdk_path = os.getenv('ANDROID_HOME')ndk_path = os.getenv('NDK_HOME')standalone_path = os.getenv('NDK_STANDALONE')directory = build_directory(sdk_path, args.output.filestem_str , native_shared_libs)# // Copy the additional native libs into the libs directory.for name, path in native_shared_libs.items():    shutil.copy( path,  os.path.join( directory, "libs/", "armeabi/",name)# compile android_native_app_glue.ccmd = os.path.join( standalone_path , "bin/" , "arm-linux-androideabi-gcc ")arg1 = os.path.join( ndk_path, "sources/" , "android/" ,"native_app_glue/", "android_native_app_glue.c ")arg2 = " -c "arg3 = " -o "arg4 = directory + "android_native_app_glue.o"os.system(cmd + arg1 + arg2 + arg3 + arg4)"""calling gcc to link a shared object"""cmd = os.path.join(standalone_path , "bin/", "arm-linux-androideabi-gcc ")arg1 = passthrougharg2 = os.path.join( directory , "android_native_app_glue.o")arg3 = " -o " + os.path.join( directory ,"libs", "armeabi", "libmain.so")arg4 = " -shared"arg5 = " -Wl,-E"os.system(cmd + arg1 + arg2 + arg3 + arg4 + arg5 )"""call ant debug"""ant_command = "ant debug"os.system(ant_command )#copy apk file to required destshutil.copy( os.path.join( directory, "bin/", "rust-android-debug.apk"), output)

def find_native_libs(args: &Args) -> HashMap<String, Path> {

"""args  HashMap"""base_path = os.path.join( args, "native");native_shared_libs = {}#for dirpath, dirname, filenames in os.walk(base_path):for dirs in os.listdir(base_path):    if os.path.isdir(dirs):        for dir in dirs:            path = os.path.join(base_path, dirs,dir )            for file in os.listdir(path):                if file.starts_with("lib") and file.endwith(".so"):                    native_shared_libs.update(file, path)return native_shared_libs

def build_directory(sdk_dir, crate_name, libs):

"""sdk_dir : Pathcrate_name : strlibs: HashMap<String, Path>return: Tempdir"""temp_dir = "android-rs-glue-rust-to-apk"build_directory = os.mkdir( temp_dir )if len(libs) > 0:    src_path = os.path.join(temp_dir ,"src/rust/glutin");    os.mkdirs(src_path )    java_file = open(os.path.join( src_path, "MainActivity.java") ,"rw")    java_file.write( (java_src(libs) )    activity_name = "rust.glutin.MainActivity"    java_file.flush()    java_file.close()else:    activity_name = "android.app.NativeActivity"    manifest_file=os.path.join(build_directory, "AndroidManifest.xml")    manifest_file = open( manifest_file, "rw")    manifest_file.write(build_manifest(crate_name, activity_name))    manifest_file.close()    build_xml = os.path.join(build_directory, "build.xml")    build_xml = open( build.xml, "rw")    build_xml.write( build_build_xml() )    build_xml.close()    local_pro = os.path.join(build_directory, "local.properties")    local_pro  = open(local_pro, "rw")    local_pro.write(build_local_properties())    local_pro.close()    project_pro = os.path.join(build_directory, "project.properties")    project_pro = open(project_pro, "rw")    project_pro.write(build_project_properties())    project_pro.close()    libs_path = os.path.join(build_directory, "libs/", "armeabi")    os.makedirs(libs_path)    return build_directory

def java_src(libs) {

"""libs: HashMap,returns string"""libs_string = ""for  name, _ in libs.items():    """    // Strip off the 'lib' prefix and ".so" suffix. This is safe since libs only get added    // to the hash map if they start with lib.    """    line = "        System.loadLibrary(\"{}\");\n".format( name[3:len(name)-3]);    libs_string = libs_string + line;ret = """package rust.glutin;public class MainActivity extends android.app.NativeActivity {{    static {{        {0}    }}}}""".format(libs_string)return ret

def build_manifest(crate_name , activity_name):

    return """<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.native_activity"    android:versionCode="1"    android:versionName="1.0"><uses-sdk android:minSdkVersion="9" /><uses-feature android:glEsVersion="0x00020000" android:required="true"></uses-feature><uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><application android:label="{0}">    <activity android:name="{1}"            android:label="{0}"            android:configChanges="orientation|keyboardHidden">        <intent-filter>            <action android:name="android.intent.action.MAIN" />            <category android:name="android.intent.category.LAUNCHER" />        </intent-filter>    </activity></application>

</manifest>

""".format(crate_name, activity_name)

def build_build_xml():

    return """<?xml version="1.0" encoding="UTF-8"?>

<property file="local.properties" /><loadproperties srcFile="project.properties" /><import file="custom_rules.xml" optional="true" /><import file="${{sdk.dir}}/tools/ant/build.xml" />

</project>
"""

def build_local_properties(sdk_dir):

return "sdk.dir={0}".format(os.path.abspath(sdk_dir))

def build_project_properties():

return "target=android-19"

main()