![]() ![]() ![]() We will set its content view to preferences.xml using addPreferencesFromResource ThemePreferenceActivity is our PreferenceActivity. Our theme values will be defined in themes string-array. The theme values are specified in string-array. We will define a ListPreference which will display a list of theme names. In order to know which theme to apply, we will use android’s perferences. Once a theme is applied, the actual value will replace the placeholder. In our main screen, we will refer to our custom attributes using ?attr, for example ?attr/textColor. We have created two themes Theme1 and Theme2.Įach theme consists of textColoe, background and textSize. Now we will group our custom attributes together, give a name to the style and assign some values to them. For example, below we define few color resources. Before that you can define some style attributes and assign a value. This is just like declaring your program variables. We will define few custom attributes using attr element. android change theme programmatically Define Attributes Let’s try the above steps on our example. You will set the theme calling tTheme(resource).Apply theme programatically before you call the super.onCreate() and setContentView().You should be able to set the layout attributes to the custom attributes defined. When you group a set of style attributes and give a name to it, it becomes your theme. If you are relying on colors or dimensions, define the values and associate them with proper names.If you want to use any custom attributes, define those attributes first.Also, we will take special care for android change theme programmatically. After the theme is selected, when we go back to our activity, we want the theme to be applied. We want to provide a new setting which will allow one to choose from a list of themes. In this article “android change theme programmatically” we will see how to change the theme dynamically. ![]()
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