解決方法:
修改build.gradle 中dependencies:
將com.android.support:appcompat-v7:29+ 改爲 com.android.support:appcompat-v7:+
dependencies {
...
implementation 'com.android.support:appcompat-v7:+'
...
}
修改build.gradle 中dependencies:
將com.android.support:appcompat-v7:29+ 改爲 com.android.support:appcompat-v7:+
dependencies {
...
implementation 'com.android.support:appcompat-v7:+'
...
}