godot/platform/android/export/export.cpp

/*************************************************************************/
/*  export.cpp                                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include "export.h"
#include "editor/editor_import_export.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "globals.h"
#include "io/marshalls.h"
#include "io/zip_io.h"
#include "os/file_access.h"
#include "os/os.h"
#include "platform/android/logo.gen.h"
#include "version.h"
#include <string.h>

static const char *android_perms[] = {
	"ACCESS_CHECKIN_PROPERTIES",
	"ACCESS_COARSE_LOCATION",
	"ACCESS_FINE_LOCATION",
	"ACCESS_LOCATION_EXTRA_COMMANDS",
	"ACCESS_MOCK_LOCATION",
	"ACCESS_NETWORK_STATE",
	"ACCESS_SURFACE_FLINGER",
	"ACCESS_WIFI_STATE",
	"ACCOUNT_MANAGER",
	"ADD_VOICEMAIL",
	"AUTHENTICATE_ACCOUNTS",
	"BATTERY_STATS",
	"BIND_ACCESSIBILITY_SERVICE",
	"BIND_APPWIDGET",
	"BIND_DEVICE_ADMIN",
	"BIND_INPUT_METHOD",
	"BIND_NFC_SERVICE",
	"BIND_NOTIFICATION_LISTENER_SERVICE",
	"BIND_PRINT_SERVICE",
	"BIND_REMOTEVIEWS",
	"BIND_TEXT_SERVICE",
	"BIND_VPN_SERVICE",
	"BIND_WALLPAPER",
	"BLUETOOTH",
	"BLUETOOTH_ADMIN",
	"BLUETOOTH_PRIVILEGED",
	"BRICK",
	"BROADCAST_PACKAGE_REMOVED",
	"BROADCAST_SMS",
	"BROADCAST_STICKY",
	"BROADCAST_WAP_PUSH",
	"CALL_PHONE",
	"CALL_PRIVILEGED",
	"CAMERA",
	"CAPTURE_AUDIO_OUTPUT",
	"CAPTURE_SECURE_VIDEO_OUTPUT",
	"CAPTURE_VIDEO_OUTPUT",
	"CHANGE_COMPONENT_ENABLED_STATE",
	"CHANGE_CONFIGURATION",
	"CHANGE_NETWORK_STATE",
	"CHANGE_WIFI_MULTICAST_STATE",
	"CHANGE_WIFI_STATE",
	"CLEAR_APP_CACHE",
	"CLEAR_APP_USER_DATA",
	"CONTROL_LOCATION_UPDATES",
	"DELETE_CACHE_FILES",
	"DELETE_PACKAGES",
	"DEVICE_POWER",
	"DIAGNOSTIC",
	"DISABLE_KEYGUARD",
	"DUMP",
	"EXPAND_STATUS_BAR",
	"FACTORY_TEST",
	"FLASHLIGHT",
	"FORCE_BACK",
	"GET_ACCOUNTS",
	"GET_PACKAGE_SIZE",
	"GET_TASKS",
	"GET_TOP_ACTIVITY_INFO",
	"GLOBAL_SEARCH",
	"HARDWARE_TEST",
	"INJECT_EVENTS",
	"INSTALL_LOCATION_PROVIDER",
	"INSTALL_PACKAGES",
	"INSTALL_SHORTCUT",
	"INTERNAL_SYSTEM_WINDOW",
	"INTERNET",
	"KILL_BACKGROUND_PROCESSES",
	"LOCATION_HARDWARE",
	"MANAGE_ACCOUNTS",
	"MANAGE_APP_TOKENS",
	"MANAGE_DOCUMENTS",
	"MASTER_CLEAR",
	"MEDIA_CONTENT_CONTROL",
	"MODIFY_AUDIO_SETTINGS",
	"MODIFY_PHONE_STATE",
	"MOUNT_FORMAT_FILESYSTEMS",
	"MOUNT_UNMOUNT_FILESYSTEMS",
	"NFC",
	"PERSISTENT_ACTIVITY",
	"PROCESS_OUTGOING_CALLS",
	"READ_CALENDAR",
	"READ_CALL_LOG",
	"READ_CONTACTS",
	"READ_EXTERNAL_STORAGE",
	"READ_FRAME_BUFFER",
	"READ_HISTORY_BOOKMARKS",
	"READ_INPUT_STATE",
	"READ_LOGS",
	"READ_PHONE_STATE",
	"READ_PROFILE",
	"READ_SMS",
	"READ_SOCIAL_STREAM",
	"READ_SYNC_SETTINGS",
	"READ_SYNC_STATS",
	"READ_USER_DICTIONARY",
	"REBOOT",
	"RECEIVE_BOOT_COMPLETED",
	"RECEIVE_MMS",
	"RECEIVE_SMS",
	"RECEIVE_WAP_PUSH",
	"RECORD_AUDIO",
	"REORDER_TASKS",
	"RESTART_PACKAGES",
	"SEND_RESPOND_VIA_MESSAGE",
	"SEND_SMS",
	"SET_ACTIVITY_WATCHER",
	"SET_ALARM",
	"SET_ALWAYS_FINISH",
	"SET_ANIMATION_SCALE",
	"SET_DEBUG_APP",
	"SET_ORIENTATION",
	"SET_POINTER_SPEED",
	"SET_PREFERRED_APPLICATIONS",
	"SET_PROCESS_LIMIT",
	"SET_TIME",
	"SET_TIME_ZONE",
	"SET_WALLPAPER",
	"SET_WALLPAPER_HINTS",
	"SIGNAL_PERSISTENT_PROCESSES",
	"STATUS_BAR",
	"SUBSCRIBED_FEEDS_READ",
	"SUBSCRIBED_FEEDS_WRITE",
	"SYSTEM_ALERT_WINDOW",
	"TRANSMIT_IR",
	"UNINSTALL_SHORTCUT",
	"UPDATE_DEVICE_STATS",
	"USE_CREDENTIALS",
	"USE_SIP",
	"VIBRATE",
	"WAKE_LOCK",
	"WRITE_APN_SETTINGS",
	"WRITE_CALENDAR",
	"WRITE_CALL_LOG",
	"WRITE_CONTACTS",
	"WRITE_EXTERNAL_STORAGE",
	"WRITE_GSERVICES",
	"WRITE_HISTORY_BOOKMARKS",
	"WRITE_PROFILE",
	"WRITE_SECURE_SETTINGS",
	"WRITE_SETTINGS",
	"WRITE_SMS",
	"WRITE_SOCIAL_STREAM",
	"WRITE_SYNC_SETTINGS",
	"WRITE_USER_DICTIONARY",
	NULL
};

class EditorExportPlatformAndroid : public EditorExportPlatform {

	OBJ_TYPE(EditorExportPlatformAndroid, EditorExportPlatform);

	enum {
		MAX_USER_PERMISSIONS = 20,
		SCREEN_SMALL = 0,
		SCREEN_NORMAL = 1,
		SCREEN_LARGE = 2,
		SCREEN_XLARGE = 3,
		SCREEN_MAX = 4
	};

	String custom_release_package;
	String custom_debug_package;

	int version_code;
	String version_name;
	String package;
	String name;
	String icon;
	String cmdline;
	bool _signed;
	bool apk_expansion;
	bool remove_prev;
	bool use_32_fb;
	bool immersive;
	bool export_arm;
	bool export_arm64;
	bool export_x86;
	String apk_expansion_salt;
	String apk_expansion_pkey;
	int orientation;

	String release_keystore;
	String release_password;
	String release_username;

	struct APKExportData {

		zipFile apk;
		EditorProgress *ep;
	};

	struct Device {

		String id;
		String name;
		String description;
		int api_level;
	};

	Vector<Device> devices;
	bool devices_changed;
	Mutex *device_lock;
	Thread *device_thread;
	Ref<ImageTexture> logo;

	Set<String> perms;
	String user_perms[MAX_USER_PERMISSIONS];
	bool screen_support[SCREEN_MAX];

	volatile bool quit_request;

	static void _device_poll_thread(void *ud);

	String get_package_name();

	String get_project_name() const;
	void _fix_manifest(Vector<uint8_t> &p_manifest, bool p_give_internet);
	void _fix_resources(Vector<uint8_t> &p_manifest);
	static Error save_apk_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total);
	static bool _should_compress_asset(const String &p_path, const Vector<uint8_t> &p_data);

protected:
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;

public:
	virtual String get_name() const { return "Android"; }
	virtual ImageCompression get_image_compression() const { return IMAGE_COMPRESSION_ETC1; }
	virtual Ref<Texture> get_logo() const { return logo; }

	virtual bool poll_devices();
	virtual int get_device_count() const;
	virtual String get_device_name(int p_device) const;
	virtual String get_device_info(int p_device) const;
	virtual Error run(int p_device, int p_flags = 0);

	virtual bool requires_password(bool p_debug) const { return !p_debug; }
	virtual String get_binary_extension() const { return "apk"; }
	virtual Error export_project(const String &p_path, bool p_debug, int p_flags = 0);

	virtual bool can_export(String *r_error = NULL) const;

	EditorExportPlatformAndroid();
	~EditorExportPlatformAndroid();
};

bool EditorExportPlatformAndroid::_set(const StringName &p_name, const Variant &p_value) {

	String n = p_name;

	if (n == "one_click_deploy/clear_previous_install")
		remove_prev = p_value;
	else if (n == "custom_package/debug")
		custom_debug_package = p_value;
	else if (n == "custom_package/release")
		custom_release_package = p_value;
	else if (n == "version/code")
		version_code = p_value;
	else if (n == "version/name")
		version_name = p_value;
	else if (n == "command_line/extra_args")
		cmdline = p_value;
	else if (n == "package/unique_name")
		package = p_value;
	else if (n == "package/name")
		name = p_value;
	else if (n == "package/icon")
		icon = p_value;
	else if (n == "package/signed")
		_signed = p_value;
	else if (n == "architecture/arm")
		export_arm = p_value;
	else if (n == "architecture/arm64")
		export_arm64 = p_value;
	else if (n == "architecture/x86")
		export_x86 = p_value;
	else if (n == "screen/use_32_bits_view")
		use_32_fb = p_value;
	else if (n == "screen/immersive_mode")
		immersive = p_value;
	else if (n == "screen/orientation")
		orientation = p_value;
	else if (n == "screen/support_small")
		screen_support[SCREEN_SMALL] = p_value;
	else if (n == "screen/support_normal")
		screen_support[SCREEN_NORMAL] = p_value;
	else if (n == "screen/support_large")
		screen_support[SCREEN_LARGE] = p_value;
	else if (n == "screen/support_xlarge")
		screen_support[SCREEN_XLARGE] = p_value;
	else if (n == "keystore/release")
		release_keystore = p_value;
	else if (n == "keystore/release_user")
		release_username = p_value;
	else if (n == "keystore/release_password")
		release_password = p_value;
	else if (n == "apk_expansion/enable")
		apk_expansion = p_value;
	else if (n == "apk_expansion/SALT")
		apk_expansion_salt = p_value;
	else if (n == "apk_expansion/public_key")
		apk_expansion_pkey = p_value;
	else if (n.begins_with("permissions/")) {

		String what = n.get_slicec('/', 1).to_upper();
		bool state = p_value;
		if (state)
			perms.insert(what);
		else
			perms.erase(what);
	} else if (n.begins_with("user_permissions/")) {

		int which = n.get_slicec('/', 1).to_int();
		ERR_FAIL_INDEX_V(which, MAX_USER_PERMISSIONS, false);
		user_perms[which] = p_value;

	} else
		return false;

	return true;
}

bool EditorExportPlatformAndroid::_get(const StringName &p_name, Variant &r_ret) const {

	String n = p_name;
	if (n == "one_click_deploy/clear_previous_install")
		r_ret = remove_prev;
	else if (n == "custom_package/debug")
		r_ret = custom_debug_package;
	else if (n == "custom_package/release")
		r_ret = custom_release_package;
	else if (n == "version/code")
		r_ret = version_code;
	else if (n == "version/name")
		r_ret = version_name;
	else if (n == "command_line/extra_args")
		r_ret = cmdline;
	else if (n == "package/unique_name")
		r_ret = package;
	else if (n == "package/name")
		r_ret = name;
	else if (n == "package/icon")
		r_ret = icon;
	else if (n == "package/signed")
		r_ret = _signed;
	else if (n == "architecture/arm")
		r_ret = export_arm;
	else if (n == "architecture/arm64")
		r_ret = export_arm64;
	else if (n == "architecture/x86")
		r_ret = export_x86;
	else if (n == "screen/use_32_bits_view")
		r_ret = use_32_fb;
	else if (n == "screen/immersive_mode")
		r_ret = immersive;
	else if (n == "screen/orientation")
		r_ret = orientation;
	else if (n == "screen/support_small")
		r_ret = screen_support[SCREEN_SMALL];
	else if (n == "screen/support_normal")
		r_ret = screen_support[SCREEN_NORMAL];
	else if (n == "screen/support_large")
		r_ret = screen_support[SCREEN_LARGE];
	else if (n == "screen/support_xlarge")
		r_ret = screen_support[SCREEN_XLARGE];
	else if (n == "keystore/release")
		r_ret = release_keystore;
	else if (n == "keystore/release_user")
		r_ret = release_username;
	else if (n == "keystore/release_password")
		r_ret = release_password;
	else if (n == "apk_expansion/enable")
		r_ret = apk_expansion;
	else if (n == "apk_expansion/SALT")
		r_ret = apk_expansion_salt;
	else if (n == "apk_expansion/public_key")
		r_ret = apk_expansion_pkey;
	else if (n.begins_with("permissions/")) {

		String what = n.get_slicec('/', 1).to_upper();
		r_ret = perms.has(what);
	} else if (n.begins_with("user_permissions/")) {

		int which = n.get_slicec('/', 1).to_int();
		ERR_FAIL_INDEX_V(which, MAX_USER_PERMISSIONS, false);
		r_ret = user_perms[which];
	} else
		return false;

	return true;
}

void EditorExportPlatformAndroid::_get_property_list(List<PropertyInfo> *p_list) const {

	p_list->push_back(PropertyInfo(Variant::BOOL, "one_click_deploy/clear_previous_install"));
	p_list->push_back(PropertyInfo(Variant::STRING, "custom_package/debug", PROPERTY_HINT_GLOBAL_FILE, "apk"));
	p_list->push_back(PropertyInfo(Variant::STRING, "custom_package/release", PROPERTY_HINT_GLOBAL_FILE, "apk"));
	p_list->push_back(PropertyInfo(Variant::STRING, "command_line/extra_args"));
	p_list->push_back(PropertyInfo(Variant::INT, "version/code", PROPERTY_HINT_RANGE, "1,65535,1"));
	p_list->push_back(PropertyInfo(Variant::STRING, "version/name"));
	p_list->push_back(PropertyInfo(Variant::STRING, "package/unique_name"));
	p_list->push_back(PropertyInfo(Variant::STRING, "package/name"));
	p_list->push_back(PropertyInfo(Variant::STRING, "package/icon", PROPERTY_HINT_FILE, "png"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "package/signed"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "architecture/arm"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "architecture/arm64"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "architecture/x86"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "screen/use_32_bits_view"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "screen/immersive_mode"));
	p_list->push_back(PropertyInfo(Variant::INT, "screen/orientation", PROPERTY_HINT_ENUM, "Landscape,Portrait"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "screen/support_small"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "screen/support_normal"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "screen/support_large"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "screen/support_xlarge"));
	p_list->push_back(PropertyInfo(Variant::STRING, "keystore/release", PROPERTY_HINT_GLOBAL_FILE, "keystore"));
	p_list->push_back(PropertyInfo(Variant::STRING, "keystore/release_user"));
	p_list->push_back(PropertyInfo(Variant::STRING, "keystore/release_password"));
	p_list->push_back(PropertyInfo(Variant::BOOL, "apk_expansion/enable"));
	p_list->push_back(PropertyInfo(Variant::STRING, "apk_expansion/SALT"));
	p_list->push_back(PropertyInfo(Variant::STRING, "apk_expansion/public_key", PROPERTY_HINT_MULTILINE_TEXT));

	const char **perms = android_perms;
	while (*perms) {

		p_list->push_back(PropertyInfo(Variant::BOOL, "permissions/" + String(*perms).to_lower()));
		perms++;
	}

	for (int i = 0; i < MAX_USER_PERMISSIONS; i++) {

		p_list->push_back(PropertyInfo(Variant::STRING, "user_permissions/" + itos(i)));
	}

	//p_list->push_back( PropertyInfo( Variant::INT, "resources/pack_mode", PROPERTY_HINT_ENUM,"Copy,Single Exec.,Pack (.pck),Bundles (Optical)"));
}

static String _parse_string(const uint8_t *p_bytes, bool p_utf8) {

	uint32_t offset = 0;
	uint32_t len = decode_uint16(&p_bytes[offset]);

	if (p_utf8) {
		//don't know how to read extended utf8, this will have to be for now
		len >>= 8;
	}
	offset += 2;
	//printf("len %i, unicode: %i\n",len,int(p_utf8));

	if (p_utf8) {

		Vector<uint8_t> str8;
		str8.resize(len + 1);
		for (int i = 0; i < len; i++) {
			str8[i] = p_bytes[offset + i];
		}
		str8[len] = 0;
		String str;
		str.parse_utf8((const char *)str8.ptr());
		return str;
	} else {

		String str;
		for (int i = 0; i < len; i++) {
			CharType c = decode_uint16(&p_bytes[offset + i * 2]);
			if (c == 0)
				break;
			str += String::chr(c);
		}
		return str;
	}
}

void EditorExportPlatformAndroid::_fix_resources(Vector<uint8_t> &p_manifest) {

	const int UTF8_FLAG = 0x00000100;
	print_line("*******************GORRRGLE***********************");

	uint32_t header = decode_uint32(&p_manifest[0]);
	uint32_t filesize = decode_uint32(&p_manifest[4]);
	uint32_t string_block_len = decode_uint32(&p_manifest[16]);
	uint32_t string_count = decode_uint32(&p_manifest[20]);
	uint32_t string_flags = decode_uint32(&p_manifest[28]);
	const uint32_t string_table_begins = 40;

	Vector<String> string_table;

	//printf("stirng block len: %i\n",string_block_len);
	//printf("stirng count: %i\n",string_count);
	//printf("flags: %x\n",string_flags);

	for (int i = 0; i < string_count; i++) {

		uint32_t offset = decode_uint32(&p_manifest[string_table_begins + i * 4]);
		offset += string_table_begins + string_count * 4;

		String str = _parse_string(&p_manifest[offset], string_flags & UTF8_FLAG);

		if (str.begins_with("godot-project-name")) {

			if (str == "godot-project-name") {
				//project name
				str = get_project_name();

			} else {

				String lang = str.substr(str.find_last("-") + 1, str.length()).replace("-", "_");
				String prop = "application/name_" + lang;
				if (Globals::get_singleton()->has(prop)) {
					str = Globals::get_singleton()->get(prop);
				} else {
					str = get_project_name();
				}
			}
		}

		string_table.push_back(str);
	}

	//write a new string table, but use 16 bits
	Vector<uint8_t> ret;
	ret.resize(string_table_begins + string_table.size() * 4);

	for (int i = 0; i < string_table_begins; i++) {

		ret[i] = p_manifest[i];
	}

	int ofs = 0;
	for (int i = 0; i < string_table.size(); i++) {

		encode_uint32(ofs, &ret[string_table_begins + i * 4]);
		ofs += string_table[i].length() * 2 + 2 + 2;
	}

	ret.resize(ret.size() + ofs);
	uint8_t *chars = &ret[ret.size() - ofs];
	for (int i = 0; i < string_table.size(); i++) {

		String s = string_table[i];
		encode_uint16(s.length(), chars);
		chars += 2;
		for (int j = 0; j < s.length(); j++) {
			encode_uint16(s[j], chars);
			chars += 2;
		}
		encode_uint16(0, chars);
		chars += 2;
	}

	//pad
	while (ret.size() % 4)
		ret.push_back(0);

	//change flags to not use utf8
	encode_uint32(string_flags & ~0x100, &ret[28]);
	//change length
	encode_uint32(ret.size() - 12, &ret[16]);
	//append the rest...
	int rest_from = 12 + string_block_len;
	int rest_to = ret.size();
	int rest_len = (p_manifest.size() - rest_from);
	ret.resize(ret.size() + (p_manifest.size() - rest_from));
	for (int i = 0; i < rest_len; i++) {
		ret[rest_to + i] = p_manifest[rest_from + i];
	}
	//finally update the size
	encode_uint32(ret.size(), &ret[4]);

	p_manifest = ret;
	//printf("end\n");
}

String EditorExportPlatformAndroid::get_project_name() const {

	String aname;
	if (this->name != "") {
		aname = this->name;
	} else {
		aname = Globals::get_singleton()->get("application/name");
	}

	if (aname == "") {
		aname = _MKSTR(VERSION_NAME);
	}

	return aname;
}

void EditorExportPlatformAndroid::_fix_manifest(Vector<uint8_t> &p_manifest, bool p_give_internet) {

	const int CHUNK_AXML_FILE = 0x00080003;
	const int CHUNK_RESOURCEIDS = 0x00080180;
	const int CHUNK_STRINGS = 0x001C0001;
	const int CHUNK_XML_END_NAMESPACE = 0x00100101;
	const int CHUNK_XML_END_TAG = 0x00100103;
	const int CHUNK_XML_START_NAMESPACE = 0x00100100;
	const int CHUNK_XML_START_TAG = 0x00100102;
	const int CHUNK_XML_TEXT = 0x00100104;
	const int UTF8_FLAG = 0x00000100;

	Vector<String> string_table;

	uint32_t ofs = 0;

	uint32_t header = decode_uint32(&p_manifest[ofs]);
	uint32_t filesize = decode_uint32(&p_manifest[ofs + 4]);
	ofs += 8;

	//	print_line("FILESIZE: "+itos(filesize)+" ACTUAL: "+itos(p_manifest.size()));

	uint32_t string_count;
	uint32_t styles_count;
	uint32_t string_flags;
	uint32_t string_data_offset;

	uint32_t styles_offset;
	uint32_t string_table_begins;
	uint32_t string_table_ends;
	Vector<uint8_t> stable_extra;

	while (ofs < p_manifest.size()) {

		uint32_t chunk = decode_uint32(&p_manifest[ofs]);
		uint32_t size = decode_uint32(&p_manifest[ofs + 4]);

		switch (chunk) {

			case CHUNK_STRINGS: {

				int iofs = ofs + 8;

				string_count = decode_uint32(&p_manifest[iofs]);
				styles_count = decode_uint32(&p_manifest[iofs + 4]);
				uint32_t string_flags = decode_uint32(&p_manifest[iofs + 8]);
				string_data_offset = decode_uint32(&p_manifest[iofs + 12]);
				styles_offset = decode_uint32(&p_manifest[iofs + 16]);
				/*
				printf("string count: %i\n",string_count);
				printf("flags: %i\n",string_flags);
				printf("sdata ofs: %i\n",string_data_offset);
				printf("styles ofs: %i\n",styles_offset);
*/
				uint32_t st_offset = iofs + 20;
				string_table.resize(string_count);
				uint32_t string_end = 0;

				string_table_begins = st_offset;

				for (int i = 0; i < string_count; i++) {

					uint32_t string_at = decode_uint32(&p_manifest[st_offset + i * 4]);
					string_at += st_offset + string_count * 4;

					ERR_EXPLAIN("Unimplemented, can't read utf8 string table.");
					ERR_FAIL_COND(string_flags & UTF8_FLAG);

					if (string_flags & UTF8_FLAG) {

					} else {
						uint32_t len = decode_uint16(&p_manifest[string_at]);
						Vector<CharType> ucstring;
						ucstring.resize(len + 1);
						for (int j = 0; j < len; j++) {
							uint16_t c = decode_uint16(&p_manifest[string_at + 2 + 2 * j]);
							ucstring[j] = c;
						}
						string_end = MAX(string_at + 2 + 2 * len, string_end);
						ucstring[len] = 0;
						string_table[i] = ucstring.ptr();
					}

					//					print_line("String "+itos(i)+": "+string_table[i]);
				}

				for (int i = string_end; i < (ofs + size); i++) {
					stable_extra.push_back(p_manifest[i]);
				}

				//				printf("stable extra: %i\n",int(stable_extra.size()));
				string_table_ends = ofs + size;

				//				print_line("STABLE SIZE: "+itos(size)+" ACTUAL: "+itos(string_table_ends));

			} break;
			case CHUNK_XML_START_TAG: {

				int iofs = ofs + 8;
				uint32_t line = decode_uint32(&p_manifest[iofs]);
				uint32_t nspace = decode_uint32(&p_manifest[iofs + 8]);
				uint32_t name = decode_uint32(&p_manifest[iofs + 12]);
				uint32_t check = decode_uint32(&p_manifest[iofs + 16]);

				String tname = string_table[name];

				//				printf("NSPACE: %i\n",nspace);
				//printf("NAME: %i (%s)\n",name,tname.utf8().get_data());
				//printf("CHECK: %x\n",check);
				uint32_t attrcount = decode_uint32(&p_manifest[iofs + 20]);
				iofs += 28;
				//printf("ATTRCOUNT: %x\n",attrcount);
				for (int i = 0; i < attrcount; i++) {
					uint32_t attr_nspace = decode_uint32(&p_manifest[iofs]);
					uint32_t attr_name = decode_uint32(&p_manifest[iofs + 4]);
					uint32_t attr_value = decode_uint32(&p_manifest[iofs + 8]);
					uint32_t attr_flags = decode_uint32(&p_manifest[iofs + 12]);
					uint32_t attr_resid = decode_uint32(&p_manifest[iofs + 16]);

					String value;
					if (attr_value != 0xFFFFFFFF)
						value = string_table[attr_value];
					else
						value = "Res #" + itos(attr_resid);
					String attrname = string_table[attr_name];
					String nspace;
					if (attr_nspace != 0xFFFFFFFF)
						nspace = string_table[attr_nspace];
					else
						nspace = "";

					//printf("ATTR %i NSPACE: %i\n",i,attr_nspace);
					//printf("ATTR %i NAME: %i (%s)\n",i,attr_name,attrname.utf8().get_data());
					//printf("ATTR %i VALUE: %i (%s)\n",i,attr_value,value.utf8().get_data());
					//printf("ATTR %i FLAGS: %x\n",i,attr_flags);
					//printf("ATTR %i RESID: %x\n",i,attr_resid);

					//replace project information
					if (tname == "manifest" && attrname == "package") {

						print_line("FOUND package");
						string_table[attr_value] = get_package_name();
					}

					//print_line("tname: "+tname);
					//print_line("nspace: "+nspace);
					//print_line("attrname: "+attrname);
					if (tname == "manifest" && /*nspace=="android" &&*/ attrname == "versionCode") {

						print_line("FOUND versionCode");
						encode_uint32(version_code, &p_manifest[iofs + 16]);
					}

					if (tname == "manifest" && /*nspace=="android" &&*/ attrname == "versionName") {

						print_line("FOUND versionName");
						if (attr_value == 0xFFFFFFFF) {
							WARN_PRINT("Version name in a resource, should be plaintext")
						} else
							string_table[attr_value] = version_name;
					}

					if (tname == "activity" && /*nspace=="android" &&*/ attrname == "screenOrientation") {

						encode_uint32(orientation == 0 ? 0 : 1, &p_manifest[iofs + 16]);
						/*
						print_line("FOUND screen orientation");
						if (attr_value==0xFFFFFFFF) {
							WARN_PRINT("Version name in a resource, should be plaintext")
						} else {
							string_table[attr_value]=(orientation==0?"landscape":"portrait");
						}*/
					}

					if (tname == "uses-permission" && /*nspace=="android" &&*/ attrname == "name") {

						if (value.begins_with("godot.custom")) {

							int which = value.get_slice(".", 2).to_int();
							if (which >= 0 && which < MAX_USER_PERMISSIONS && user_perms[which].strip_edges() != "") {

								string_table[attr_value] = user_perms[which].strip_edges();
							}

						} else if (value.begins_with("godot.")) {
							String perm = value.get_slice(".", 1);

							if (perms.has(perm) || (p_give_internet && perm == "INTERNET")) {

								print_line("PERM: " + perm);
								string_table[attr_value] = "android.permission." + perm;
							}
						}
					}

					if (tname == "supports-screens") {

						if (attrname == "smallScreens") {

							encode_uint32(screen_support[SCREEN_SMALL] ? 0xFFFFFFFF : 0, &p_manifest[iofs + 16]);

						} else if (attrname == "normalScreens") {

							encode_uint32(screen_support[SCREEN_NORMAL] ? 0xFFFFFFFF : 0, &p_manifest[iofs + 16]);

						} else if (attrname == "largeScreens") {

							encode_uint32(screen_support[SCREEN_LARGE] ? 0xFFFFFFFF : 0, &p_manifest[iofs + 16]);

						} else if (attrname == "xlargeScreens") {

							encode_uint32(screen_support[SCREEN_XLARGE] ? 0xFFFFFFFF : 0, &p_manifest[iofs + 16]);
						}
					}

					iofs += 20;
				}

			} break;
		}
		//printf("chunk %x: size: %d\n",chunk,size);

		ofs += size;
	}

	//printf("end\n");

	//create new andriodmanifest binary

	Vector<uint8_t> ret;
	ret.resize(string_table_begins + string_table.size() * 4);

	for (int i = 0; i < string_table_begins; i++) {

		ret[i] = p_manifest[i];
	}

	ofs = 0;
	for (int i = 0; i < string_table.size(); i++) {

		encode_uint32(ofs, &ret[string_table_begins + i * 4]);
		ofs += string_table[i].length() * 2 + 2 + 2;
		//print_line("ofs: "+itos(i)+": "+itos(ofs));
	}
	ret.resize(ret.size() + ofs);
	uint8_t *chars = &ret[ret.size() - ofs];
	for (int i = 0; i < string_table.size(); i++) {

		String s = string_table[i];
		//print_line("savint string :"+s);
		encode_uint16(s.length(), chars);
		chars += 2;
		for (int j = 0; j < s.length(); j++) { //include zero?
			encode_uint16(s[j], chars);
			chars += 2;
		}
		encode_uint16(0, chars);
		chars += 2;
	}

	for (int i = 0; i < stable_extra.size(); i++) {
		ret.push_back(stable_extra[i]);
	}

	while (ret.size() % 4)
		ret.push_back(0);

	uint32_t new_stable_end = ret.size();

	uint32_t extra = (p_manifest.size() - string_table_ends);
	ret.resize(new_stable_end + extra);
	for (int i = 0; i < extra; i++)
		ret[new_stable_end + i] = p_manifest[string_table_ends + i];

	while (ret.size() % 4)
		ret.push_back(0);
	encode_uint32(ret.size(), &ret[4]); //update new file size

	encode_uint32(new_stable_end - 8, &ret[12]); //update new string table size

	//print_line("file size: "+itos(ret.size()));

	p_manifest = ret;

#if 0
	uint32_t header[9];
	for(int i=0;i<9;i++) {
		header[i]=decode_uint32(&p_manifest[i*4]);
	}

	//print_line("STO: "+itos(header[3]));
	uint32_t st_offset=9*4;
	//ERR_FAIL_COND(header[3]!=0x24)
	uint32_t string_count=header[4];


	string_table.resize(string_count);

	for(int i=0;i<string_count;i++) {

		uint32_t string_at = decode_uint32(&p_manifest[st_offset+i*4]);
		string_at+=st_offset+string_count*4;
		uint32_t len = decode_uint16(&p_manifest[string_at]);
		Vector<CharType> ucstring;
		ucstring.resize(len+1);
		for(int j=0;j<len;j++) {
			uint16_t c=decode_uint16(&p_manifest[string_at+2+2*j]);
			ucstring[j]=c;
		}
		ucstring[len]=0;
		string_table[i]=ucstring.ptr();
	}

#endif
}

Error EditorExportPlatformAndroid::save_apk_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {

	APKExportData *ed = (APKExportData *)p_userdata;
	String dst_path = p_path;
	dst_path = dst_path.replace_first("res://", "assets/");

	zipOpenNewFileInZip(ed->apk,
			dst_path.utf8().get_data(),
			NULL,
			NULL,
			0,
			NULL,
			0,
			NULL,
			_should_compress_asset(p_path, p_data) ? Z_DEFLATED : 0,
			Z_DEFAULT_COMPRESSION);

	zipWriteInFileInZip(ed->apk, p_data.ptr(), p_data.size());
	zipCloseFileInZip(ed->apk);
	ed->ep->step("File: " + p_path, 3 + p_file * 100 / p_total);
	return OK;
}

bool EditorExportPlatformAndroid::_should_compress_asset(const String &p_path, const Vector<uint8_t> &p_data) {

	/*
	 *  By not compressing files with little or not benefit in doing so,
	 *  a performance gain is expected at runtime. Moreover, if the APK is
	 *  zip-aligned, assets stored as they are can be efficiently read by
	 *  Android by memory-mapping them.
	 */

	// -- Unconditional uncompress to mimic AAPT plus some other

	static const char *unconditional_compress_ext[] = {
		// From https://github.com/android/platform_frameworks_base/blob/master/tools/aapt/Package.cpp
		// These formats are already compressed, or don't compress well:
		".jpg", ".jpeg", ".png", ".gif",
		".wav", ".mp2", ".mp3", ".ogg", ".aac",
		".mpg", ".mpeg", ".mid", ".midi", ".smf", ".jet",
		".rtttl", ".imy", ".xmf", ".mp4", ".m4a",
		".m4v", ".3gp", ".3gpp", ".3g2", ".3gpp2",
		".amr", ".awb", ".wma", ".wmv",
		// Godot-specific:
		".webp", // Same reasoning as .png
		".cfb", // Don't let small config files slow-down startup
		// Trailer for easier processing
		NULL
	};

	for (const char **ext = unconditional_compress_ext; *ext; ++ext) {
		if (p_path.to_lower().ends_with(String(*ext))) {
			return false;
		}
	}

	// -- Compressed resource?

	if (p_data.size() >= 4 && p_data[0] == 'R' && p_data[1] == 'S' && p_data[2] == 'C' && p_data[3] == 'C') {
		// Already compressed
		return false;
	}

	// --- TODO: Decide on texture resources according to their image compression setting

	return true;
}

Error EditorExportPlatformAndroid::export_project(const String &p_path, bool p_debug, int p_flags) {

	String src_apk;

	EditorProgress ep("export", "Exporting for Android", 105);

	if (p_debug)
		src_apk = custom_debug_package;
	else
		src_apk = custom_release_package;

	if (src_apk == "") {
		String err;
		if (p_debug) {
			src_apk = find_export_template("android_debug.apk", &err);
		} else {
			src_apk = find_export_template("android_release.apk", &err);
		}
		if (src_apk == "") {
			EditorNode::add_io_error(err);
			return ERR_FILE_NOT_FOUND;
		}
	}

	FileAccess *src_f = NULL;
	zlib_filefunc_def io = zipio_create_io_from_file(&src_f);

	ep.step("Creating APK", 0);

	unzFile pkg = unzOpen2(src_apk.utf8().get_data(), &io);
	if (!pkg) {

		EditorNode::add_io_error("Could not find template APK to export:\n" + src_apk);
		return ERR_FILE_NOT_FOUND;
	}

	ERR_FAIL_COND_V(!pkg, ERR_CANT_OPEN);
	int ret = unzGoToFirstFile(pkg);

	zlib_filefunc_def io2 = io;
	FileAccess *dst_f = NULL;
	io2.opaque = &dst_f;
	String unaligned_path = EditorSettings::get_singleton()->get_settings_path() + "/tmp/tmpexport-unaligned.apk";
	zipFile unaligned_apk = zipOpen2(unaligned_path.utf8().get_data(), APPEND_STATUS_CREATE, NULL, &io2);

	while (ret == UNZ_OK) {

		//get filename
		unz_file_info info;
		char fname[16384];
		ret = unzGetCurrentFileInfo(pkg, &info, fname, 16384, NULL, 0, NULL, 0);

		bool skip = false;

		String file = fname;

		Vector<uint8_t> data;
		data.resize(info.uncompressed_size);

		//read
		unzOpenCurrentFile(pkg);
		unzReadCurrentFile(pkg, data.ptr(), data.size());
		unzCloseCurrentFile(pkg);

		//write

		if (file == "AndroidManifest.xml") {

			_fix_manifest(data, p_flags & (EXPORT_DUMB_CLIENT | EXPORT_REMOTE_DEBUG));
		}

		if (file == "resources.arsc") {

			_fix_resources(data);
		}

		if (file == "res/drawable/icon.png") {
			bool found = false;

			if (this->icon != "" && this->icon.ends_with(".png")) {

				FileAccess *f = FileAccess::open(this->icon, FileAccess::READ);
				if (f) {

					data.resize(f->get_len());
					f->get_buffer(data.ptr(), data.size());
					memdelete(f);
					found = true;
				}
			}

			if (!found) {

				String appicon = Globals::get_singleton()->get("application/icon");
				if (appicon != "" && appicon.ends_with(".png")) {
					FileAccess *f = FileAccess::open(appicon, FileAccess::READ);
					if (f) {
						data.resize(f->get_len());
						f->get_buffer(data.ptr(), data.size());
						memdelete(f);
					}
				}
			}
		}

		if (file == "lib/x86/libgodot_android.so" && !export_x86) {
			skip = true;
		}

		if (file.match("lib/armeabi*/libgodot_android.so") && !export_arm) {
			skip = true;
		}

		if (file.match("lib/arm64*/libgodot_android.so") && !export_arm64) {
			skip = true;
		}

		if (file.begins_with("META-INF") && _signed) {
			skip = true;
		}

		print_line("ADDING: " + file);

		if (!skip) {

			// Respect decision on compression made by AAPT for the export template
			const bool uncompressed = info.compression_method == 0;

			zipOpenNewFileInZip(unaligned_apk,
					file.utf8().get_data(),
					NULL,
					NULL,
					0,
					NULL,
					0,
					NULL,
					uncompressed ? 0 : Z_DEFLATED,
					Z_DEFAULT_COMPRESSION);

			zipWriteInFileInZip(unaligned_apk, data.ptr(), data.size());
			zipCloseFileInZip(unaligned_apk);
		}

		ret = unzGoToNextFile(pkg);
	}

	ep.step("Adding Files..", 1);
	Error err = OK;
	Vector<String> cl = cmdline.strip_edges().split(" ");
	for (int i = 0; i < cl.size(); i++) {
		if (cl[i].strip_edges().length() == 0) {
			cl.remove(i);
			i--;
		}
	}

	gen_export_flags(cl, p_flags);

	if (p_flags & EXPORT_DUMB_CLIENT) {

		/*String host = EditorSettings::get_singleton()->get("file_server/host");
		int port = EditorSettings::get_singleton()->get("file_server/post");
		String passwd = EditorSettings::get_singleton()->get("file_server/password");
		cl.push_back("-rfs");
		cl.push_back(host+":"+itos(port));
		if (passwd!="") {
			cl.push_back("-rfs_pass");
			cl.push_back(passwd);
		}*/

	} else {
		//all files

		if (apk_expansion) {

			String apkfname = "main." + itos(version_code) + "." + get_package_name() + ".obb";
			String fullpath = p_path.get_base_dir().plus_file(apkfname);
			FileAccess *pf = FileAccess::open(fullpath, FileAccess::WRITE);
			if (!pf) {
				EditorNode::add_io_error("Could not write expansion package file: " + apkfname);
				return OK;
			}
			err = save_pack(pf);
			memdelete(pf);

			cl.push_back("-use_apk_expansion");
			cl.push_back("-apk_expansion_md5");
			cl.push_back(FileAccess::get_md5(fullpath));
			cl.push_back("-apk_expansion_key");
			cl.push_back(apk_expansion_pkey.strip_edges());

		} else {

			APKExportData ed;
			ed.ep = &ep;
			ed.apk = unaligned_apk;

			err = export_project_files(save_apk_file, &ed, false);
		}
	}

	if (use_32_fb)
		cl.push_back("-use_depth_32");

	if (immersive)
		cl.push_back("-use_immersive");

	if (cl.size()) {
		//add comandline
		Vector<uint8_t> clf;
		clf.resize(4);
		encode_uint32(cl.size(), &clf[0]);
		for (int i = 0; i < cl.size(); i++) {

			CharString txt = cl[i].utf8();
			int base = clf.size();
			clf.resize(base + 4 + txt.length());
			encode_uint32(txt.length(), &clf[base]);
			copymem(&clf[base + 4], txt.ptr(), txt.length());
			print_line(itos(i) + " param: " + cl[i]);
		}

		zipOpenNewFileInZip(unaligned_apk,
				"assets/_cl_",
				NULL,
				NULL,
				0,
				NULL,
				0,
				NULL,
				0, // No compress (little size gain and potentially slower startup)
				Z_DEFAULT_COMPRESSION);

		zipWriteInFileInZip(unaligned_apk, clf.ptr(), clf.size());
		zipCloseFileInZip(unaligned_apk);
	}

	zipClose(unaligned_apk, NULL);
	unzClose(pkg);

	if (err) {
		return err;
	}

	if (_signed) {

		String jarsigner = EditorSettings::get_singleton()->get("android/jarsigner");
		if (!FileAccess::exists(jarsigner)) {
			EditorNode::add_io_error("'jarsigner' could not be found.\nPlease supply a path in the editor settings.\nResulting apk is unsigned.");
			return OK;
		}

		String keystore;
		String password;
		String user;
		if (p_debug) {
			keystore = EditorSettings::get_singleton()->get("android/debug_keystore");
			password = EditorSettings::get_singleton()->get("android/debug_keystore_pass");
			user = EditorSettings::get_singleton()->get("android/debug_keystore_user");

			ep.step("Signing Debug APK..", 103);

		} else {
			keystore = release_keystore;
			password = release_password;
			user = release_username;

			ep.step("Signing Release APK..", 103);
		}

		if (!FileAccess::exists(keystore)) {
			EditorNode::add_io_error("Could not find keystore, unable to export.");
			return ERR_FILE_CANT_OPEN;
		}

		List<String> args;
		args.push_back("-digestalg");
		args.push_back("SHA1");
		args.push_back("-sigalg");
		args.push_back("MD5withRSA");
		String tsa_url = EditorSettings::get_singleton()->get("android/timestamping_authority_url");
		if (tsa_url != "") {
			args.push_back("-tsa");
			args.push_back(tsa_url);
		}
		args.push_back("-verbose");
		args.push_back("-keystore");
		args.push_back(keystore);
		args.push_back("-storepass");
		args.push_back(password);
		args.push_back(unaligned_path);
		args.push_back(user);
		int retval;
		int err = OS::get_singleton()->execute(jarsigner, args, true, NULL, NULL, &retval);
		if (retval) {
			EditorNode::add_io_error("'jarsigner' returned with error #" + itos(retval));
			return ERR_CANT_CREATE;
		}

		ep.step("Verifying APK..", 104);

		args.clear();
		args.push_back("-verify");
		args.push_back(unaligned_path);
		args.push_back("-verbose");

		err = OS::get_singleton()->execute(jarsigner, args, true, NULL, NULL, &retval);
		if (retval) {
			EditorNode::add_io_error("'jarsigner' verification of APK failed. Make sure to use jarsigner from Java 6.");
			return ERR_CANT_CREATE;
		}
	}

	// Let's zip-align (must be done after signing)

	static const int ZIP_ALIGNMENT = 4;

	ep.step("Aligning APK..", 105);

	unzFile tmp_unaligned = unzOpen2(unaligned_path.utf8().get_data(), &io);
	if (!tmp_unaligned) {

		EditorNode::add_io_error("Could not find temp unaligned APK.");
		return ERR_FILE_NOT_FOUND;
	}

	ERR_FAIL_COND_V(!tmp_unaligned, ERR_CANT_OPEN);
	ret = unzGoToFirstFile(tmp_unaligned);

	io2 = io;
	dst_f = NULL;
	io2.opaque = &dst_f;
	zipFile final_apk = zipOpen2(p_path.utf8().get_data(), APPEND_STATUS_CREATE, NULL, &io2);

	// Take files from the unaligned APK and write them out to the aligned one
	// in raw mode, i.e. not uncompressing and recompressing, aligning them as needed,
	// following what is done in https://github.com/android/platform_build/blob/master/tools/zipalign/ZipAlign.cpp
	int bias = 0;
	while (ret == UNZ_OK) {

		unz_file_info info;
		memset(&info, 0, sizeof(info));

		char fname[16384];
		char extra[16384];
		ret = unzGetCurrentFileInfo(tmp_unaligned, &info, fname, 16384, extra, 16384 - ZIP_ALIGNMENT, NULL, 0);

		String file = fname;

		Vector<uint8_t> data;
		data.resize(info.compressed_size);

		// read
		int method, level;
		unzOpenCurrentFile2(tmp_unaligned, &method, &level, 1); // raw read
		long file_offset = unzGetCurrentFileZStreamPos64(tmp_unaligned);
		unzReadCurrentFile(tmp_unaligned, data.ptr(), data.size());
		unzCloseCurrentFile(tmp_unaligned);

		// align
		int padding = 0;
		if (!info.compression_method) {
			// Uncompressed file => Align
			long new_offset = file_offset + bias;
			padding = (ZIP_ALIGNMENT - (new_offset % ZIP_ALIGNMENT)) % ZIP_ALIGNMENT;
		}

		memset(extra + info.size_file_extra, 0, padding);

		// write
		zipOpenNewFileInZip2(final_apk,
				file.utf8().get_data(),
				NULL,
				extra,
				info.size_file_extra + padding,
				NULL,
				0,
				NULL,
				method,
				level,
				1); // raw write
		zipWriteInFileInZip(final_apk, data.ptr(), data.size());
		zipCloseFileInZipRaw(final_apk, info.uncompressed_size, info.crc);

		bias += padding;

		ret = unzGoToNextFile(tmp_unaligned);
	}

	zipClose(final_apk, NULL);
	unzClose(tmp_unaligned);

	if (err) {
		return err;
	}

	return OK;
}

bool EditorExportPlatformAndroid::poll_devices() {

	bool dc = devices_changed;
	devices_changed = false;
	return dc;
}

int EditorExportPlatformAndroid::get_device_count() const {

	device_lock->lock();
	int dc = devices.size();
	device_lock->unlock();

	return dc;
}

String EditorExportPlatformAndroid::get_device_name(int p_device) const {

	ERR_FAIL_INDEX_V(p_device, devices.size(), "");
	device_lock->lock();
	String s = devices[p_device].name;
	device_lock->unlock();
	return s;
}

String EditorExportPlatformAndroid::get_device_info(int p_device) const {

	ERR_FAIL_INDEX_V(p_device, devices.size(), "");
	device_lock->lock();
	String s = devices[p_device].description;
	device_lock->unlock();
	return s;
}

void EditorExportPlatformAndroid::_device_poll_thread(void *ud) {

	EditorExportPlatformAndroid *ea = (EditorExportPlatformAndroid *)ud;

	while (!ea->quit_request) {

		String adb = EditorSettings::get_singleton()->get("android/adb");
		if (FileAccess::exists(adb)) {

			String devices;
			List<String> args;
			args.push_back("devices");
			int ec;
			Error err = OS::get_singleton()->execute(adb, args, true, NULL, &devices, &ec);
			Vector<String> ds = devices.split("\n");
			Vector<String> ldevices;
			for (int i = 1; i < ds.size(); i++) {

				String d = ds[i];
				int dpos = d.find("device");
				if (dpos == -1)
					continue;
				d = d.substr(0, dpos).strip_edges();
				//			print_line("found devuce: "+d);
				ldevices.push_back(d);
			}

			ea->device_lock->lock();

			bool different = false;

			if (devices.size() != ldevices.size()) {

				different = true;
			} else {

				for (int i = 0; i < ea->devices.size(); i++) {

					if (ea->devices[i].id != ldevices[i]) {
						different = true;
						break;
					}
				}
			}

			if (different) {

				Vector<Device> ndevices;

				for (int i = 0; i < ldevices.size(); i++) {

					Device d;
					d.id = ldevices[i];
					for (int j = 0; j < ea->devices.size(); j++) {
						if (ea->devices[j].id == ldevices[i]) {
							d.description = ea->devices[j].description;
							d.name = ea->devices[j].name;
							d.api_level = ea->devices[j].api_level;
						}
					}

					if (d.description == "") {
						//in the oven, request!
						args.clear();
						args.push_back("-s");
						args.push_back(d.id);
						args.push_back("shell");
						args.push_back("getprop");
						int ec;
						String dp;

						Error err = OS::get_singleton()->execute(adb, args, true, NULL, &dp, &ec);

						Vector<String> props = dp.split("\n");
						String vendor;
						String device;
						d.description + "Device ID: " + d.id + "\n";
						d.api_level = 0;
						for (int j = 0; j < props.size(); j++) {

							// got information by `shell cat /system/build.prop` before and its format is "property=value"
							// it's now changed to use `shell getporp` because of permission issue with Android 8.0 and above
							// its format is "[property]: [value]" so changed it as like build.prop
							String p = props[j];
							p = p.replace("]: ", "=");
							p = p.replace("[", "");
							p = p.replace("]", "");

							if (p.begins_with("ro.product.model=")) {
								device = p.get_slice("=", 1).strip_edges();
							} else if (p.begins_with("ro.product.brand=")) {
								vendor = p.get_slice("=", 1).strip_edges().capitalize();
							} else if (p.begins_with("ro.build.display.id=")) {
								d.description += "Build: " + p.get_slice("=", 1).strip_edges() + "\n";
							} else if (p.begins_with("ro.build.version.release=")) {
								d.description += "Release: " + p.get_slice("=", 1).strip_edges() + "\n";
							} else if (p.begins_with("ro.build.version.sdk=")) {
								d.api_level = p.get_slice("=", 1).to_int();
							} else if (p.begins_with("ro.product.cpu.abi=")) {
								d.description += "CPU: " + p.get_slice("=", 1).strip_edges() + "\n";
							} else if (p.begins_with("ro.product.manufacturer=")) {
								d.description += "Manufacturer: " + p.get_slice("=", 1).strip_edges() + "\n";
							} else if (p.begins_with("ro.board.platform=")) {
								d.description += "Chipset: " + p.get_slice("=", 1).strip_edges() + "\n";
							} else if (p.begins_with("ro.opengles.version=")) {
								uint32_t opengl = p.get_slice("=", 1).to_int();
								d.description += "OpenGL: " + itos(opengl >> 16) + "." + itos((opengl >> 8) & 0xFF) + "." + itos((opengl)&0xFF) + "\n";
							}
						}

						d.name = vendor + " " + device;
						//					print_line("name: "+d.name);
						//					print_line("description: "+d.description);
					}

					ndevices.push_back(d);
				}

				ea->devices = ndevices;
				ea->devices_changed = true;
			}

			ea->device_lock->unlock();
		}

		uint64_t wait = 3000000;
		uint64_t time = OS::get_singleton()->get_ticks_usec();
		while (OS::get_singleton()->get_ticks_usec() - time < wait) {
			OS::get_singleton()->delay_usec(1000);
			if (ea->quit_request)
				break;
		}
	}

	if (EditorSettings::get_singleton()->get("android/shutdown_adb_on_exit")) {
		String adb = EditorSettings::get_singleton()->get("android/adb");
		if (!FileAccess::exists(adb)) {
			return; //adb not configured
		}

		List<String> args;
		args.push_back("kill-server");
		OS::get_singleton()->execute(adb, args, true);
	};
}

Error EditorExportPlatformAndroid::run(int p_device, int p_flags) {

	ERR_FAIL_INDEX_V(p_device, devices.size(), ERR_INVALID_PARAMETER);
	device_lock->lock();

	EditorProgress ep("run", "Running on " + devices[p_device].name, 3);

	String adb = EditorSettings::get_singleton()->get("android/adb");
	if (adb == "") {

		EditorNode::add_io_error("ADB executable not configured in settings, can't run.");
		device_lock->unlock();
		return ERR_UNCONFIGURED;
	}

	//export_temp
	ep.step("Exporting APK", 0);

	const bool use_remote = (p_flags & EXPORT_REMOTE_DEBUG) || (p_flags & EXPORT_DUMB_CLIENT);
	const bool use_reverse = devices[p_device].api_level >= 21;

	if (use_reverse)
		p_flags |= EXPORT_REMOTE_DEBUG_LOCALHOST;

	String export_to = EditorSettings::get_singleton()->get_settings_path() + "/tmp/tmpexport.apk";
	Error err = export_project(export_to, true, p_flags);
	if (err) {
		device_lock->unlock();
		return err;
	}

	List<String> args;
	int rv;

	if (remove_prev) {
		ep.step("Uninstalling..", 1);

		print_line("Uninstalling previous version: " + devices[p_device].name);

		args.push_back("-s");
		args.push_back(devices[p_device].id);
		args.push_back("uninstall");
		args.push_back(get_package_name());

		err = OS::get_singleton()->execute(adb, args, true, NULL, NULL, &rv);
#if 0
	if (err || rv!=0) {
		EditorNode::add_io_error("Could not install to device.");
		device_lock->unlock();
		return ERR_CANT_CREATE;
	}
#endif
	}

	print_line("Installing into device (please wait..): " + devices[p_device].name);
	ep.step("Installing to Device (please wait..)..", 2);

	args.clear();
	args.push_back("-s");
	args.push_back(devices[p_device].id);
	args.push_back("install");
	args.push_back("-r");
	args.push_back(export_to);

	err = OS::get_singleton()->execute(adb, args, true, NULL, NULL, &rv);
	if (err || rv != 0) {
		EditorNode::add_io_error("Could not install to device.");
		device_lock->unlock();
		return ERR_CANT_CREATE;
	}

	if (use_remote) {
		if (use_reverse) {

			static const char *const msg = "** Device API >= 21; debugging over USB **";
			EditorNode::get_singleton()->get_log()->add_message(msg);
			print_line(String(msg).to_upper());

			args.clear();
			args.push_back("-s");
			args.push_back(devices[p_device].id);
			args.push_back("reverse");
			args.push_back("--remove-all");
			err = OS::get_singleton()->execute(adb, args, true, NULL, NULL, &rv);

			if (p_flags & EXPORT_REMOTE_DEBUG) {

				int dbg_port = (int)EditorSettings::get_singleton()->get("network/debug_port");
				args.clear();
				args.push_back("-s");
				args.push_back(devices[p_device].id);
				args.push_back("reverse");
				args.push_back("tcp:" + itos(dbg_port));
				args.push_back("tcp:" + itos(dbg_port));

				err = OS::get_singleton()->execute(adb, args, true, NULL, NULL, &rv);
				print_line("Reverse result: " + itos(rv));
			}

			if (p_flags & EXPORT_DUMB_CLIENT) {

				int fs_port = EditorSettings::get_singleton()->get("file_server/port");

				args.clear();
				args.push_back("-s");
				args.push_back(devices[p_device].id);
				args.push_back("reverse");
				args.push_back("tcp:" + itos(fs_port));
				args.push_back("tcp:" + itos(fs_port));

				err = OS::get_singleton()->execute(adb, args, true, NULL, NULL, &rv);
				print_line("Reverse result2: " + itos(rv));
			}
		} else {

			static const char *const msg = "** Device API < 21; debugging over Wi-Fi **";
			EditorNode::get_singleton()->get_log()->add_message(msg);
			print_line(String(msg).to_upper());
		}
	}

	ep.step("Running on Device..", 3);
	args.clear();
	args.push_back("-s");
	args.push_back(devices[p_device].id);
	args.push_back("shell");
	args.push_back("am");
	args.push_back("start");
	if (bool(EDITOR_DEF("android/force_system_user", false)) && devices[p_device].api_level >= 17) { // Multi-user introduced in Android 17
		args.push_back("--user");
		args.push_back("0");
	}
	args.push_back("-a");
	args.push_back("android.intent.action.MAIN");
	args.push_back("-n");
	args.push_back(get_package_name() + "/org.godotengine.godot.Godot");

	err = OS::get_singleton()->execute(adb, args, true, NULL, NULL, &rv);
	if (err || rv != 0) {
		EditorNode::add_io_error("Could not execute on device.");
		device_lock->unlock();
		return ERR_CANT_CREATE;
	}
	device_lock->unlock();
	return OK;
}

String EditorExportPlatformAndroid::get_package_name() {

	String pname = package;
	String basename = Globals::get_singleton()->get("application/name");
	basename = basename.to_lower();

	String name;
	bool first = true;
	for (int i = 0; i < basename.length(); i++) {
		CharType c = basename[i];
		if (c >= '0' && c <= '9' && first) {
			continue;
		}
		if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9')) {
			name += String::chr(c);
			first = false;
		}
	}
	if (name == "")
		name = "noname";

	pname = pname.replace("$genname", name);
	return pname;
}

EditorExportPlatformAndroid::EditorExportPlatformAndroid() {

	version_code = 1;
	version_name = "1.0";
	package = "org.godotengine.$genname";
	name = "";
	_signed = true;
	apk_expansion = false;
	device_lock = Mutex::create();
	quit_request = false;
	orientation = 0;
	remove_prev = true;
	use_32_fb = true;
	immersive = true;

	export_arm = true;
	export_arm64 = false;
	export_x86 = false;

	device_thread = Thread::create(_device_poll_thread, this);
	devices_changed = true;

	Image img(_android_logo);
	logo = Ref<ImageTexture>(memnew(ImageTexture));
	logo->create_from_image(img);

	for (int i = 0; i < 4; i++)
		screen_support[i] = true;
}

bool EditorExportPlatformAndroid::can_export(String *r_error) const {

	bool valid = true;
	String adb = EditorSettings::get_singleton()->get("android/adb");
	String err;

	if (!FileAccess::exists(adb)) {

		valid = false;
		err += "ADB executable not configured in editor settings.\n";
	}

	String js = EditorSettings::get_singleton()->get("android/jarsigner");

	if (!FileAccess::exists(js)) {

		valid = false;
		err += "OpenJDK 6 jarsigner not configured in editor settings.\n";
	}

	String dk = EditorSettings::get_singleton()->get("android/debug_keystore");

	if (!FileAccess::exists(dk)) {

		valid = false;
		err += "Debug Keystore not configured in editor settings.\n";
	}

	if (!exists_export_template("android_debug.apk") || !exists_export_template("android_release.apk")) {
		valid = false;
		err += "No export templates found.\nDownload and install export templates.\n";
	}

	if (custom_debug_package != "" && !FileAccess::exists(custom_debug_package)) {
		valid = false;
		err += "Custom debug package not found.\n";
	}

	if (custom_release_package != "" && !FileAccess::exists(custom_release_package)) {
		valid = false;
		err += "Custom release package not found.\n";
	}

	if (apk_expansion) {

		//if (apk_expansion_salt=="") {
		//	valid=false;
		//	err+="Invalid SALT for apk expansion.\n";
		//}
		if (apk_expansion_pkey == "") {
			valid = false;
			err += "Invalid public key for apk expansion.\n";
		}
	}

	if (r_error)
		*r_error = err;

	return valid;
}

EditorExportPlatformAndroid::~EditorExportPlatformAndroid() {

	quit_request = true;
	Thread::wait_to_finish(device_thread);
	memdelete(device_lock);
	memdelete(device_thread);
}

void register_android_exporter() {

	String exe_ext = OS::get_singleton()->get_name() == "Windows" ? "exe" : "";
	EDITOR_DEF("android/adb", "");
	EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING, "android/adb", PROPERTY_HINT_GLOBAL_FILE, exe_ext));
	EDITOR_DEF("android/jarsigner", "");
	EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING, "android/jarsigner", PROPERTY_HINT_GLOBAL_FILE, exe_ext));
	EDITOR_DEF("android/debug_keystore", "");
	EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING, "android/debug_keystore", PROPERTY_HINT_GLOBAL_FILE, "keystore"));
	EDITOR_DEF("android/debug_keystore_user", "androiddebugkey");
	EDITOR_DEF("android/debug_keystore_pass", "android");
	//EDITOR_DEF("android/release_keystore","");
	//EDITOR_DEF("android/release_username","");
	//EditorSettings::get_singleton()->add_property_hint(PropertyInfo(Variant::STRING,"android/release_keystore",PROPERTY_HINT_GLOBAL_FILE,"*.keystore"));
	EDITOR_DEF("android/force_system_user", false);
	EDITOR_DEF("android/timestamping_authority_url", "");
	EDITOR_DEF("android/shutdown_adb_on_exit", true);

	Ref<EditorExportPlatformAndroid> exporter = Ref<EditorExportPlatformAndroid>(memnew(EditorExportPlatformAndroid));
	EditorImportExport::get_singleton()->add_export_platform(exporter);
}