1.解决issue: https://github.com/xuexiangjys/XUpdate/issues/170 #122

	# This workflow will build a Java project with Gradle
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle

	name: Android CI

	on:
	release:
	types: [published]
	push:
	branches:
	- master
	tags:
	- '2.*'
	pull_request:
	branches:
	- master
	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: release apk sign
	run: \|
	echo "给apk增加签名"
	cp $GITHUB_WORKSPACE/.github/workflows/android.keystore $GITHUB_WORKSPACE/app/android.keystore
	sed '$a\RELEASE_STORE_FILE=./android.keystore' $GITHUB_WORKSPACE/gradle.properties -i
	- name: build with gradle
	run: \|
	echo "开始进行release构建"
	chmod +x gradlew
	./gradlew app:assembleRelease
	- name : upload apk
	uses: actions/upload-artifact@master
	if: always()
	with:
	name: xupdate_apk
	path: ${{ github.workspace }}/app/build/outputs/apk/release

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