Set style for TextView programmatically

Question

I m trying to use the TextView constructor with style like this   TextView myText   new TextView MyActivity this  null  R style my style     However  when I do this  the text view does not appear to take the style  I verified the style by setting it on a static object    I ve also tried using myText setTextAppearance MyActivity this  R style my style  but it also doesn t work

User · Accepted Answer

I do not believe you can set the style programatically. To get around this you can create a template layout xml file with the style assigned, for example in res/layout create tvtemplate.xml as with the following content:

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="This is a template"
        style="@style/my_style" />

then inflate this to instantiate your new TextView:

TextView myText = (TextView)getLayoutInflater().inflate(R.layout.tvtemplate, null);

Hope this helps.

User · Answer

The accepted answer was great solution for me  The only thing to add is about inflate   method   In accepted answer all android layout   parameters will not be applied    The reason is no way to adjust it  cause null was passed as ViewGroup parent   You can use it like this   View view   inflater inflate R layout view  parent  false    and the parent is the ViewGroup  from where you like to adjust android layout      In this case  all relative properties will be set   Hope it ll be useful for someone

User · Answer

When using custom views that may use style inheritance  or event styleable attributes   you have to modify the second constructor in order not to lose the style  This worked for me  without needing to use setTextAppearence     public CustomView Context context  AttributeSet attrs        this context  attrs  attrs getStyleAttribute

User · Answer

You can pass a ContextThemeWrapper to the constructor like this   TextView myText   new TextView new ContextThemeWrapper MyActivity this  R style my style

User · Answer

You can create a generic style and re-use it on multiple textviews like the one below   textView setTextAppearance this  R style MyTextStyle     Edit  this refers to Context

User · Answer

I met the problem too  and I found the way to set style programatically  Maybe you all need it  So I update there   The third param of View constructor accepts a type of attr in your theme as the source code below   public TextView Context context  AttributeSet attrs        this context  attrs  com android internal R attr textViewStyle       So you must pass a type of R attr    rather than R style     In my codes  I did following steps   First  customize a customized attr to be used by themes in attr xml    lt attr name  radio button style  format  reference    gt    Second  specific your style in your used theme in style xml     lt style name  AppTheme  parent  android Theme Translucent  gt       lt  -- All customizations that are NOT specific to a particular API-level can go here  -- gt       lt item name  radio button style  gt  style radioButtonStyle lt  item gt   lt  style gt   lt style name  radioButtonStyle  parent   android style Widget CompoundButton RadioButton  gt       lt item name  android layout width  gt wrap content lt  item gt       lt item name  android layout height  gt 64dp lt  item gt       lt item name  android background  gt  000 lt  item gt       lt item name  android button  gt  null lt  item gt       lt item name  android gravity  gt center lt  item gt       lt item name  android saveEnabled  gt false lt  item gt       lt item name  android textColor  gt  drawable option text color lt  item gt       lt item name  android textSize  gt 9sp lt  item gt   lt  style gt    At the end  use it               RadioButton radioButton   new RadioButton mContext  null  R attr radio button style     the view created programatically will use the specified style in your theme    You can have a try  and hope it can work for you perfectly

User · Answer

We can use TextViewCompact setTextAppearance textView  R style xyz    Android doc for reference

User · Answer

Dynamically changing styles is not supported  yet   You have to set the style before the view gets created  via XML

User · Answer

Parameter int defStyleAttr does not specifies the style  From the Android documentation      defStyleAttr - An attribute in the current theme that contains a   reference to a style resource that supplies default values for the   view  Can be 0 to not look for defaults    To setup the style in View constructor we have 2 possible solutions    With use of ContextThemeWrapper   ContextThemeWrapper wrappedContext   new ContextThemeWrapper yourContext  R style your style   TextView textView   new TextView wrappedContext  null  0    With four-argument constructor  available starting from LOLLIPOP    TextView textView   new TextView yourContext  null  0  R style your style      Key thing for both solutions - defStyleAttr parameter should be 0 to apply our style to the view

User · Answer

You can set the style in the constructor  but styles can not be dynamically changed set    View Context  AttributeSet  int   the int is an attribute in the current theme that contains a reference to a style   Answer from Romain Guy  reference

User · Answer

if  Build VERSION SDK INT  gt   Build VERSION CODES M       textView setTextAppearance R style yourStyle

User · Answer

I have only tested with EditText but you can use the method     public void setBackgroundResource  int resid    to apply a style defined in an XML file   Sine this method belongs to View I believe it will work with any UI element   regards

[android] Set style for TextView programmatically

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