How To Apply Font in Custom Android Keyboard

Question

I want to implement custom keyboard for android and I want to apply font on keyboard.

I am using Typeface in KeyboardView class but this is not work for me.

 @Override
public void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    Paint paint = new Paint();
    paint.setTextAlign(Paint.Align.CENTER);
    int scaledSize = getResources().getDimensionPixelSize(
            R.dimen.alternate_key_label_size);
    Typeface tf = Typeface.createFromAsset(getContext().getAssets(), "fonts/Nastaleeq.ttf");
    paint.setTypeface(tf);
    paint.setTextSize(scaledSize);
    paint.setColor(Color.WHITE);
}

Answer 1

One solution is to use keboardView.java instead of android.inputmethodservice.KeyboardView.

You also need to change paint.setTypeface(Typeface.DEFAULT_BOLD) to paint.setTypeface(my font) and you must add attrs.xml to your project.

Another solution:

changing the font style inside the application. create a simple class named FontOverride.

import java.lang.reflect.Field;
import android.content.Context;
import android.graphics.Typeface;

public final class FontsOverride {

public static void setDefaultFont(Context context,
        String staticTypefaceFieldName, String fontAssetName) {
    final Typeface regular = Typeface.createFromAsset(context.getAssets(),
            fontAssetName);
    replaceFont(staticTypefaceFieldName, regular);
}

protected static void replaceFont(String staticTypefaceFieldName,
        final Typeface newTypeface) {
    try {
        final Field staticField = Typeface.class
                .getDeclaredField(staticTypefaceFieldName);
        staticField.setAccessible(true);
        staticField.set(null, newTypeface);
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
    }
}

add this class to your code.

public final class Application extends android.app.Application {
@Override
public void onCreate() {
    super.onCreate();
    FontsOverride.setDefaultFont(this, "DEFAULT", "fonts/Nastaleeq.ttf");
    FontsOverride.setDefaultFont(this, "MONOSPACE", "fonts/GeezEdit.ttf");

  }
}

here you can see that some fonts/fontname are added. These are the external font files which you can use to override into your keyboard view/labels.

add this Application name into the android manifest file application name

example:

<application
    android:name=".Application"
    android:allowBackup="false"
    android:installLocation="internalOnly"
    android:label="@string/ime_name"
    android:theme="@style/AppTheme" >

now update the above-override font name into your style. base theme or the theme which you are using at your manifest application.

example:

 <!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
    <item name="android:typeface">monospace</item>
</style>

This will work to change the user provided the font to the android project or application.