am

Android activity manager. More information: https://developer.android.com/studio/command-line/adb#am.

• Start a specific activity:
  am start -n {{com.android.settings/.Settings}}
• Start an activity and pass [d]ata to it:
  am start -a {{android.intent.action.VIEW}} -d {{tel:123}}
• Start an activity matching a specific action and [c]ategory:
  am start -a {{android.intent.action.MAIN}} -c {{android.intent.category.HOME}}
• Convert an intent to a URI:
  am to-uri -a {{android.intent.action.VIEW}} -d {{tel:123}}