error: resource style/Theme.AppCompat.Light.DarkActionBar (aka jpush.myapplication

1、Android Studio 安装项目报错： error: resource style/Theme.AppCompat.Light.DarkActionBar (aka jpush.myapplication_2:style/Theme.App

解决： 在build.gradle里添加implementation ‘com.android.support:appcompat-v7:29.+’

2、同步项目，报错：Unable to resolve dependency for ‘:jwakeandroidq2@debug/compileClasspath’: Could not find any version that matches com.android.support:appcompat-v7:29.+.

解决： 将’android.support:appcompat-v7:29.+‘改为’android.support:appcompat-v7:28.+’

3、同步项目后，安装，报错 解决： build.gradle里添加：implementation ‘com.android.support.constraint:constraint-layout:1.1.3’

4、同步项目，安装成功