Refresh Button Behavior - Developing Android AppsYouTube↗  IA↗(long shot)
Education  10.2K views 5 likes 12 dislikes   23 Feb 2015
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The solution is that we need to call
الحل هو أننا في حاجة لطلب
Fragment.setHasOptionsMenu(true). That way, we'll
Fragment.setHasOptionsMenu(true). وسنحصل بهذه الطريقة
get appropriate options menu callback
على أساليب رد طلب قائمة الخيارات المناسبة
methods in the fragment, so that we can
في التجزئة،ومن ثم يمكننا
inflate the menu and for when a menu item
نفخ القائمة عندما يتم تحديد
is selected. And this is where the fragment
أي قائمة. وهذا هو مكان نفخ التجزئة
inflates the menu. Remember from before that in the
للقائمة. تذكروا أنه قبل ذلك في
ForecastFragment class, we have a public empty constructor, and
فئة ForecastFragment ، كان لدينا منشئ عام فارغ،كما
we also override onCreateView? We also define fetchWeatherTask here.
.تجاوزنا أيضًا onCreateView؟ كما عرفنا أيضًا fetchWeatherTask هنا
Now, we're going to overide an additional fragment life
الآن سنعمل على تجاوز أسلوب دورة حياة
cycle method called onCreate. This is where the fragment
تجزئة إضافية تسمى onCreate. وهذا هو المكان الذي يتم فيه إنشاء
is created, and this happens before the onCreate view
التجزئة، وهذا يحدث قبل أسلوب عرض onCreate
method, which is where the UI gets initialized. So, in
وهو المكان الذي يتم فيه تهيئة واجهة المستخدم. إذًا، في
onCreate, we're going to call setHasOptionsMenu to be true to
onCreate، سنطلب setHasOptionsMenu أن تصبح true للإشارة
indicate that we want call backs for these methods.
.إلى رغبتنا في استدعاءات هذه الأساليب
When onCreateOptionsMenu is called, we're going to inflate the menu
وعندما يتم طلب onCreateOptionsMenu ، سنقوم بنفخ مخطط القائمة
layout that we defined earlier called forecast fragment. We'll also
الذي عرفناه في وقت سابق ويدعى جزء التنبؤ. وسيتم أيضًا
get notified when a menu item is selected. When a menu item with
إخطارنا عند تحديد عنصر قائمة. وعندما يتم طلب عنصر قائمة
ID action refresh is called, we're going to
مع معرفة الإجراء تنشيط، سنعمل
return true for now. We're going to go
على إعادة true للوقت الحالي. وسننتقل
over the activity and fragment life cycle methods in more detail in later
إلى النشاط وأساليب دورة حياة تجزئة لمزيد من التفاصيل في الدروس اللاحقة
lessons, but if you want, you can read the documentation linked below for now.
.ولكن إذا كنتم ترغبون في المزيد، يمكنكم الاطلاع على رابط التوثيق الموجود أدناه الآن
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