android学习笔记之五提醒(Toast,Notification)
[Toast]
?1,显示提示信息
?public static Toast makeText (Context context, CharSequence text, int duration).show()
?public static Toast makeText (Context context, int resId, int duration).show()
?duration可以是:Toast.LENGTH_LONG,Toast.LENGTH_SHORT
?
[Notification]
?1,(NotificationManager)getSystemService(NOTIFICATION_SERVICE) 获取NotificationManager 通知管理器
?2,实例化Notification
? 设置属性
??? icon 图标
??? tickerText 通知栏显示的内容
??? defaults?? 震动(Notification.DEFAULT_VIBRATE) /声音(Notification.DEFAULT_SOUND) /光照(Notification.DEFAULT_LIGHTS) /Notification.DEFAULT_ALL
?3,通知被查看设置
?? setLatestEventInfo(Context context, CharSequence contentTitle, CharSequence contentText, PendingIntent contentIntent)
?? contentIntent=PendingIntent.getActivity(this, 0,? new Intent(this, 该通知被点击时调用Activity.class), 0)
?4,显示
?? NotificationManager.notify(int id, Notification notification)显示通知
?5,取消显示
?? NotificationManager.cancel(int id)//id=notify中的id且大于0
?? NotificationManager.cancelAll()取消全部通知
?6,其他
?? 振动加权限<uses-permission android:name="android.permission.VIBRATE"></uses-permission>
