[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4vL5mgIA3MMpdezxBjl_hg5X83xZnS_GGPeNTrQK2GY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-05-21 06:57:17",379859544,[8,9,10,11],"getExternalStorageDirectory( )","getDownloadCacheDirectory( )","getDataDirectory( )","getExternalStorageState( )",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","在Environment类中,用来获得SD根目录的方法是( )",[18,29,38,47,54,63,72,81,90,97],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],379859535,[22,23,24,25],"setResult","onActivityResult","putExtra","ActivityResult","在MainActivity中使用startActivityForResult( )方法来启动MainActivity2,接受回传数据的话需要在MainActivity中重写( )方法","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],379859536,[33,34,35,36],"Receiver","Broadcast","BroadcastReceiver","BroadcastReboot","Android中定义广播接受者要继承( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],379859537,[42,43,44,45],"startService方式开启服务,服务一旦被开启,服务就会在后台长期运行","服务开启后只能在关机才能关闭服务","服务停止时会调用onStop()","服务不需要再清单文件里注册","以下关于startService开启服务的说法正确的是( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":53,"source":27,"type":28},[],379859538,[51,52],"json","xml","布局文件的扩展名是",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":27,"type":28},[],379859539,[58,59,60,61],"onPause()","onDestroy()","onResume()","onStart()","Activity销毁时执行的方法是()",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":27,"type":28},[],379859540,[67,68,69,70],"以上都可以","fill_parent","match_parent","wrap_content","在线性布局中,当控件水平排列时,控件属性layout_width设置为()",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":27,"type":28},[],379859541,[76,77,78,79],"onCreate()","getUserInfo()","saveUserInfo()","execSQL()","在sqlite包中创建一个Java类,命名为SQLiteHelper并继承SQLiteOpenHelper类,同时需要重写()方法",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":27,"type":28},[],379859542,[85,86,87,88],"Activity、BroadcastReceiver、Service、ContentProvider都必须在清单文件中进行注册","Activity、BroadcastReceiver、Service、ContentProvider都需要使用意图来进行组件之间的通信","Activity、BroadcastReceiver、Service都需要使用意图来进行组件之间的通信","Activity、BroadcastReceiver、Service、ContentProvider都不需要在清单文件中进行注册","Android四大组件之间的区别在于()",{"answer":91,"createTime":5,"id":92,"options":93,"question":96,"source":27,"type":28},[],379859543,[94,95],"log","Logo","android中提供了一个日志类工具",{"answer":98,"createTime":5,"id":6,"options":99,"question":16,"source":27,"type":28},[],[8,9,10,11]]