android系统的重要组件有()
A: Activity
B: Intent
C: BroadcastReceiver
D: Service
A: Activity
B: Intent
C: BroadcastReceiver
D: Service
举一反三
- Android四大组件是()。 A: Activity、BroadcastReceiver、Service、ContentProvider B: Activity、Intent、Service、ContentProvider C: Activity、BroadcastReceiver、Service、ContentResolver D: Activity、BroadcastReceiver、Service、ContentObserver
- Android开发中的四大组件是()。 A: ContentProvider、Activity、Service和BroadcastReceiver B: ContentProvider、Activity、Intent和BroadcastReceiver C: ContentProvider、Activity、Intent和Service D: Activity、Intent、Service和BroadcastReceiver
- Android系统中的4大应用组件是()。 A: Activity B: Service、BroadcastReceiver C: Service D: ContentProvider E: Intent
- Android系统中具有4个重要的组件,下面选项中不属于4大组件的是( )。 A: Activity B: Service C: BroadcastReceiver D: Intent
- 通过Intent不能启动那些组件?( ) A: Service B: BroadcastReceiver C: ContentProvider D: Activity