大约有 40,000 项符合查询结果（耗时：0.0353秒） [XML]
Fragment lifecycle - which method is called upon show / hide?
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Similar to activity lifecycle, Android calls onStart() when fragment becomes visible. onStop() is normally called when fragment becomes invisible, but it can also be called later in time.
Depending on your layout Android can call onStart() even, when your...
Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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What is the meaning of addToBackStack with null parameter?
... you mean by get the fragment later.
More information @
http://developer.android.com/guide/components/fragments.html
http://developer.android.com/reference/android/app/FragmentTransaction.html#addToBackStack(java.lang.String)
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Android ListView not refreshing after notifyDataSetChanged
My ListFragment code
11 Answers
11
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ASP.NET Web API Authentication
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Is it going to maintain a session for Android application?
– Mujtaba Hassan
Jun 13 '12 at 12:42
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Simplest way to detect a mobile device in PHP
...Code:
<?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|...
Usage of forceLayout(), requestLayout() and invalidate()
...g called directly after invalidate is called, I even see that happening in Android source code for things like TextView, but according to this diagram doing so is redundant, right? So is there any purpose for doing that?
– tcox
May 12 '15 at 22:10
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Parcelable where/when is describeContents() used?
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@LeoLink android.os.ParcelFileDescriptor
– Ognyan
Oct 21 '14 at 10:34
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Calling a Fragment method from a parent Activity
I see in the Android Fragments Dev Guide that an "activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
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How to read/write a boolean when implementing the Parcelable interface?
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@sotrh that is a copy-paste from a source code. Open android.os.Parcel source and see for yourself.
– Yaroslav Mytkalyk
Jan 5 '16 at 10:19
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