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The Android 5 was officially released yesterday, and the Android developer site was updated, adding an Android app guide that created material design style, and also updated the support Library in support The library adds some material design-style controls and animations, and here's a quick introduction to how to develop material design-style
Theme and style were first introduced because I wanted to change the style of the title bar. Fortunately, I found a very good article: solving the problem that the custom title bar of Android is full. This article explains in detail the problem solving process, which has benefited me a lot.
What are theme and style?
Style: a set of one or more formatting attribut
Android styleStyles in Android, like CSS styles, are used to define a display style for an interface element, which is a collection that contains one or more view control properties . For example, you need to define the color and size of the font.This is defined in CSS:You can use the above CSS style like this: In Android, you can define styles like this:Add the
We tasted the need to use properties such as SetText, SetColor, Settextsize, and so on to set the style of the control, but each control needed to set these properties, the workload was undoubtedly huge, and later maintenance was inconvenient.StyleThe style (style) in Android contains a set of formatting that, when used with a style for a component, all the formatting that it contains will be applied to that component.The
The background theme of the Android Studio development environment, which can be changed, is now popular with black backgrounds, which makes the software look more high-end and more enjoyable, but the main thing is to look more comfortable and pleasing. Let's teach you how to change the background theme.Tools/Materials
Android Studio
Method/Step
"android:layout_height= "Wrap_content"android:text= "Android Default Style:TextAppearance.Holo"/>Android:layout_width= "Match_parent"android:layout_height= "Wrap_content"android:text= "Information:my text"/>Android:layout_width= "Match_parent"android:layout_height= "Wrap_content"Android:textcolor= "? Android:textcolorsecondary"android:text= "@string/ui_styletest"/>ThemeIn the above example, theme has been m
Theme of Android is generally defined in activity,
Built-in theme: Android: theme = "@ Android: style/theme. Dialog"
Refer
Http://androidappdocs.appspot.com/reference/
Now, And most Android developers use the SDK version of 2.x when they develop the Android app. In order to be compatible with 2.x mobile phone this is understandable, but the most troubling is the 2.x version of the theme is in too ugly, this is the launch of Android just consider the practical, and did not take into a
Theme styles defined by the Android platform:Android:theme= "@android: Style/theme.dialog" displays an activity as a dialog box modeandroid:theme= "@android: Style/theme.notitlebar" does not display the application title barandroid:theme= "@android: Style/theme.notitlebar.fu
Theme and style in Android are relatively simple to use.
1. First, define three styles in resource of RES/values/styles. xml:
then, reference the style just defined in the control in activity_main.xml under the Res/layout file.
2. Use of theme in Android
Define
Android:theme= "@android: Style/theme.dialog" displays an activity as a dialog box modeAndroid:theme= "@android: Style/theme.notitlebar" does not display the application title barAndroid:theme= "@android: Style/theme.notitlebar.fullscreen" does not display the application title bar and full screenAndroid:theme= "@android
found that when adjusting the page, the following error is always reported, resulting in the inability to statically display the UI effect.Missing styles. is the correct theme chosen for this layout?Use the Theme combo box above the layout to choose a different layout, or fix the Theme style references.Failed to find style ' Textviewstyle ' in current themeHere's
= "Customfont.customfontcolor">4 5 style>6 7 Resources> 1.2 Setting themes for activity or applicationTo set the theme for Activity or application, in the Androidmanfest.xml file, in the 1 Application2 Android:allowbackup= "true"3 Android:icon= "@mipmap/ic_launcher"4 Android:label= "@string/app_name"5 Android:supportsrtl= "true"6 Android:theme= "@style/apptheme">7 8 Activity9 Android:name=". Activity.secondactivity "Ten Android:la
Android Switch Theme mainstream three ways to switch theme, the first is the built-in style to switch, generally used for night mode/day mode switch. The second is to use the APK to achieve the plug-in, the third is to download the zip to extract to the appropriate app file, the application will need to read the file into memory. This is a way to introduce the fi
1. First, the theme attribute is detailed:Android:theme= "@android: Style/theme.dialog"//activity displayed as dialog box modeAndroid:theme= "@android: Style/theme.notitlebar"//Do not display the application title barAndroid:theme= "@android: Style/theme.notitlebar.fullscreen"//Do not display the application title bar
about the black screenBy default, when the program starts, there is a black screen period, because the first activity loads some data, such as initializing the list data.Removal Steps1./res/values/styles.xml in Theme, add a Android:windowbackgrounds property to set the desired picture2. In Androidmanifest.xml, set theme to the first startup activity.3. Add/res/drawable-port/loading.png (if the splash screen
);
//Remove Application title bar First Note: Be sure to Setcontentview before
Requestwindowfeature (Window.feature_no_title);
//Set our defined window as the default view
Setcontentview (r.layout.float_activity);
}
}
As a final step, change the application configuration file Androidmanifest.xml to apply the style we just created to our activity as follows:XML code
activity android:name=". Floatactivitydemo " android:theme=" @style/theme.floatactivity ">
intent-filter
1. Add 2. In 1) 2) In fact However, these two use very inconvenient, as to how to let two headings to the middle of the method has not been found, after learning to add itModify Actionmode tab layout in Android-theme
(1) Layout fileNeed to use inside the button: android:textcolor= "@color/button_selector"(2) You need to create a color folder in the Res directoryThe contents of the Button-selector file are as follows:Other files do not change, the default can beThe style and theme selector for Android learning notes
The second way to implement Android app theme is through APK. Here is a demo.1. First you must create a new apk, similar plugin, and then add a meta-data to the application of the APK androidmanifest.xml file. This is the next step to find out if it is your own plugin apk to make a mark. 2. In the apk add some pictures, also can use other (including style, etc.) here is mainly for demonstration. Define a m
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