In order to achieve better user interaction, you often need to change the background color of the button and the font color of the textview to indicate the operational status of the user's current menu, android provides a method to define a selector so that programmers can configure the background and
The example in this article describes how Android sets the preferencecategory background color. Share to everyone for your reference. The specific analysis is as follows:
You may encounter, preferencecategory default is a black background, how we replaced the preferencescreen background, then this separator looks very ugly, then how to change the background? We
Many Android phones are equipped with LED lights, such as HTC's phone charging, new text messages, and so will have a response to the instructions, in fact very simple this is notificationmanager some of the parameters, Below Android123 to everyone to say how to control the flashing of LED lights through code, because some models do not have LED lights or color types less, the need for real machine observat
can fix this problem by setting the following properties for the ListViewAndroid:cachecolorhint= "@android: Color/transparent"When you click on a ListView item, you'll notice that the background color of the item turns orange. You can fix this problem by setting the following properties for the ListViewAndroid:listselector= "@
android:configchanges= "Orientation|keyboardhidden", before Android 3.2 (API level 13), the screen will recall the various lifecycles, The Onconfigurationchanged () method is not executed. You must add screensize to Configchanges after Android 3.2 to not recall the individual lifecycles when you cut the screen. and execute the onconfigurationchanged () method.The inconsistency between the test results and
Recently, when browsing the listview project, we used to change the color to record the selected rows. After a long time on the Internet for Baidu and Google, we finally combined the online materials with our own practices,
Finally, the function is successfully implemented! As follows:
SpecificCodeAs follows:
1. listview code:
Android: focusableintouchm
overall effect. If you just change the color of the background, you can specify android:cachecolorhint as the color you want, if you are using a picture to do the background, it will be as long as android: Cachecolorhint is specified as transparent (#00000000) . The fourth Divider property, the function of which is t
. XML version= "1.0" encoding= "Utf-8" ?>set xmlns:android= "http://schemas.android.com/apk/ Res/android "> Translate android:duration= "" Android:fromxdelta= "0.0" Android:toxdelta= "100.0%p" />set> Properties explained:Translate position transfer animation effectAndroid:fromxdelta= "0"-----------starting from 0 coordinatesAndroid:toxdelta= " -100%p"------move distance to parent level-100%Two parameters are the offset distance of the charg
. XML version= "1.0" encoding= "Utf-8" ?>set xmlns:android= "http://schemas.android.com/apk/ Res/android "> Translate android:duration= "" Android:fromxdelta= "0.0" Android:toxdelta= "100.0%p" />set> Properties explained:Translate position transfer animation effectAndroid:fromxdelta= "0"-----------starting from 0 coordinatesAndroid:toxdelta= " -100%p"------move distance to parent level-100%Two parameters are the offset distance of the charg
important to note:1, if only one edittext need to use a special style is directly in the current EditText to set properties, but for extensibility, it is recommended to write in Styles.xml, later in the edittext required to refer to the style, that is:Edittext...style= "@style/edittextstyle" ... />2, if the whole project is unified style, then in the Androidmanifest.xml 3. The style of Edittextstyle is as follows:This article is only a point, about the EditText attribute also many, we can test,
properties of the dialog are specified. It's a pity. At the moment I see these related properties are not public, can not set their own, so only through the Java code to achieve.This blue line is called Titledivider, and we are able to get its IP through the getresources () API, and then set the color. The code is as follows: public static final void Dialogtitlelinecolor (Dialog Dialog, int color) {
You may want this effect when using linearlayout:
However:
Android: layout_width = "fill_parent" Android: layout_height = "wrap_content"Android: Background = "@ drawable/buttonbackground">
After you do this, you will find that even if you touch linearlayout with your hands, the rest will not dynamically change the bac
Idea Series Themehttp://www.riaway.com/index.phpHttp://color-themes.com/?view=indexDetailed usage:Https://www.jianshu.com/p/7ca5ee761c97Use Help 1. How to install the downloaded theme1.从主菜单打开你的编辑器选择 File->Import Setting.选择你下载的jar文件;2.等待重启之后进行配置:打开File->Settings->Editor->Colors and fonts 然后选择你安装的主题即可完成2. What Ides are supported本站的所有主题支持JetBrains家族的所有IDE,包括:InteliJ IDEA, PhpStorm, PyCharm, RubyMine, WebStorm and AppCode。3. What system platforms are supp
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