无障碍模式

package android.accessibilityservice;

class DemoService:AccessibilityService() {
}

用代码来设置无障碍默认打开的方法，不过需要权限。

Settings.Secure.putString(
    app.contentResolver,
    Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
    "param"
)

用adb 来设置的方法

settings put secure enabled_accessibility_services [package:ServiceName]