Debug Breakpoints - Developing Android AppsYouTube↗  IA↗(long shot)
Education  5.3K views 6 likes 0 dislikes   23 Feb 2015
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سأوضح لكم الآن كيفية إضافة .النقاط الفاصلة في البرمجيات
I'll show you how we can add breakpoints
هيا انطلقوا وانقروا على أيقونة الأخطاء على الشاشة .لإضافة مصحح الأخطاء
in our code go ahead and click on the screen bug icon to attach the debugger
.وسننتقل إلى قائمة Settings وسأضيف في SettingsActivity
we'll go to the settings menu in the
نقطتين فاصلتين .في أسلوب onPreferenceChange
settings activity I'm going to add two break points in the on preference change method I'm going to add a breakpoint at
وسأضيف نقطة فاصلة في السطر 59 في حال حدوث ListPreference
line 59 in the case of a list preference
.عندما يكون بصدد تعيين الملخص
when it's about to set the summary I'm
وسأضيف أيضًا نقطة فاصلة في السطر 63 عندما لا يكون ListPreference
also going to add a breakpoint at line 63 when it's not a list preference and
.ويعين الملخص .لندخل إلى التطبيق ونجرب هذا الأمر
it sets the summary let's go into the app to try it out tap on the location
قوموا بالضغط على الموقع .وتغيير الرمز البريدي
and change the postal code if you hit OK
في حالة الضغط على موافق، فسوف يحدث هذا .النقطة الفاصلة للتوقف هنا مباشرة
then it triggers a breakpoint to stop it
وهذه هي قيم ,المتغيرات في هذا الوقت
right here these are the values of the variables at this time and we see the
.ونرى الرمز البريدي الجديد هنا ويمكنكم تجنب هذا الأسلوب أو اللجوء إليه
new postal code here you can step over
للتعرف على المزيد من التفاصيل، أو يمكنكم الضغط على تشغيل .للمتابعة، أو توقف لإيقاف عمل مصحح الأخطاء
or into the method for more details or you can hit play to continue or stop to stop the debugger let's hit play to
فلنضغط على تشغيل للمتابعة. ونرى بعد ذلك أنه قد تم تحديث واجهة المستخدم
continue and then we see that the UI has
ومن ثم صار ملخص التفضيلات .الرمز البريدي الجديد
been updated so that the preference summary is the new postal code let's try
.فلنجرب هذا الأسلوب مع وحدات درجات الحرارة .نضغط هنا، ثم نحدد Imperial
it for temperature units we tap here and then select Imperial it triggers this
ويحدث هذا نقطة فاصلة .في حالة ListPreference case
breakpoint in the list preference case
،ثم نضغط تشغيل للمتابعة ونرى أن
we hit play to continue and then we see
Imperial هو الآن .ملخص التفضيلات
that Imperial is now the preference summary
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