romannurik / AndroidManifest.xml
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Android example of how to programmatically instantiate a View with a custom style.

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<manifest ...>

    ...

    <!-- Make sure your app (or individual activity) uses the

         theme with the custom attribute defined. -->

    <application android:theme="@style/AppTheme" ...>

        ...

    </application>

</manifest>
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public class MyActivity extends Activity {

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        ...

 

        // Pass in the theme attribute that'll resolve to the

        // desired button style resource. The current theme

        // must have a value set for this attribute.

        Button myButton = new Button(this, null, R.attr.myButtonStyle);

        myButton.setText("Hello world");

 

        ViewGroup containerView = (ViewGroup) findViewById(R.id.container);

        containerView.addView(myButton);

    }

}
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<!-- The convention is to put the <style> elements below

     in res/values/styles.xml and <declare-styleable> in

     res/values/attrs.xml. -->

<resources>

 

    <!-- First declare a custom theme attribute that'll

         reference a style resource. -->

    <declare-styleable name="AppTheme">

        <attr name="myButtonStyle" format="reference" />

    </declare-styleable>

 

    <!-- Provide a style resource as the value for the

         theme attribute. As a side note, if you want to

         change the default button style, you can instead

         override the android:buttonStyle attribute. -->

    <style name="AppTheme" parent="android:Theme.Holo">

        <item name="myButtonStyle">@style/MyButton</item>

    </style>

 

    <!-- Define the custom button style itself. Make sure

         to inherit from an existing button style. -->

    <style name="MyButton" parent="android:Widget.Holo.Button">

        <item name="android:textColor">#f00</item>

    </style>

 

</resources>
cesards commented

@romannurik This is not working for me. Maybe there is an android bug?

If I use:

TextView textView = new TextView(getActivity(), null, R.style.MassimoTheme_Text_Gray_Small_Light);

where

<style name="MassimoTheme.Text" parent="android:Widget.Holo.TextView"/>

<style name="MassimoTheme.Text.Gray">
    <item name="android:textColor">@color/primary_gray</item>
  </style>

<style name="MassimoTheme.Text.Gray.Small">
    <item name="android:textSize">@dimen/text_small</item>
  </style>

<style name="MassimoTheme.Text.Gray.Small.Light">
    <item name="android:fontFamily">fonts/Gotham-Light.otf</item>
  </style>

And TextView initialization does:

n = 6
if (appearance != null) {
            int n = appearance.getIndexCount();
            for (int i = 0; i < n; i++) {
                int attr = appearance.getIndex(i);

                switch (attr) {

               // it goes to the next cases

case com.android.internal.R.styleable.TextAppearance_textSize:
                    textSize = appearance.getDimensionPixelSize(attr, textSize);
                    break;

 case com.android.internal.R.styleable.TextAppearance_textStyle:
                    styleIndex = appearance.getInt(attr, -1);
                    break;

case com.android.internal.R.styleable.TextAppearance_textColor:
                    textColor = appearance.getColorStateList(attr);
                    break;

case com.android.internal.R.styleable.TextAppearance_textColorHighlight:
                    textColorHighlight = appearance.getColor(attr, textColorHighlight);
                    break;

case com.android.internal.R.styleable.TextAppearance_textColorHint:
                    textColorHint = appearance.getColorStateList(attr);
                    break;

case com.android.internal.R.styleable.TextAppearance_textColorLink:
                    textColorLink = appearance.getColorStateList(attr);
                    break;

But it doesn't recognize fontFamily attribute :S Is it a normal behaviour?

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