大约有 319 项符合查询结果（耗时：0.0279秒） [XML]
setBackground vs setBackgroundDrawable (Android)
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What if I have to set background repeatedly, say in listview? setBackgroundResource(int) accepts resource id, therefore it has to inflate the view each time in order to set the background. I do not want such behaviour, assuming I already have inflated Drawable. Am I missing so...
Set selected item of spinner programmatically
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Thanks, that worked! btw works for ListView.post.run() performItemClick() as well
– Michael D.
Aug 12 '14 at 13:30
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How using try catch for exception handling is best practice
...x;
}
Having a try finally without a catch is perfectly valid:
try
{
listView1.BeginUpdate();
// If an exception occurs in the following code, then the finally will be executed
// and the exception will be thrown
...
}
finally
{
// I WANT THIS CODE TO RUN EVENTUALLY REGARDLESS...
Close virtual keyboard on button press
I have an Activity with an EditText , a button and a ListView . The purpose is to type a search screen in the EditText , press the button and have the search results populate this list.
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Android, getting resource ID from string?
...really need to be cached (particularly if used in a loop, or for rows in a ListView). And the reflection approach's big problem is that it makes assumptions about the internals of Android that might change in some future release.
– CommonsWare
Dec 13 '10 at 11:...
Programmatically update widget from activity/service/receiver
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In case you are working with a widget that uses a collection such as ListView, GridView, or StackView, to update the widget's items, do as follow:
Context context = getApplicationContext();
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
ComponentName thisWidget = n...
How to clear an ImageView in Android?
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This case, when you scrolling your listview. somehow the imageview that set it as 0 will show the wrong image (it will show image from another imageview) so the resolution below can do it viewToUse.setImageResource(android.R.color.transparent);
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Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
...ains how all the versions of the inflate method work and gives examples of ListView and AlertDialog
http://www.doubleencore.com/2013/05/layout-inflation-as-intended/
Update #1.
This answer recently helped me, too.
https://stackoverflow.com/a/5027921/1065835
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How to get Resource Name from Resource id
...these radiobuttons and set their value. Another approach could be to use a ListView with radiobuttons as list items, if ofcourse this fits your needs regarding the layout.
– Dimitris Makris
Apr 13 '12 at 8:57
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How to change colors of a Drawable in Android?
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I also use ImageView for icons (in ListView or settings screen). But I think there is much simpler way to do that.
Use tint to change the color overlay on your selected icon.
In xml,
android:tint="@color/accent"
android:src="@drawable/ic_event"
works fin...