Android利用字體庫實現TextView顯示圖片

[Java]代碼    

/**
 * Created by qibin on 2015/9/22.
 */
public class FontHelper {
    public static final String FONTS_DIR = "fonts/";
    public static final String DEF_FONT = FONTS_DIR + "yourfont.ttf";

    public static final void injectFont(View rootView) {
        injectFont(rootView, Typeface.createFromAsset(rootView.getContext()
                .getAssets(), DEF_FONT));
    }

    public static final void injectFont(View rootView, Typeface tf) {
        if(rootView instanceof ViewGroup) {
            ViewGroup group = (ViewGroup) rootView;
            int count = group.getChildCount();
            for(int i=0;i<count;i++) {
                injectFont(group.getChildAt(i), tf);
            }
        }else if(rootView instanceof TextView) {
            ((TextView) rootView).setTypeface(tf);
        }
    }
}

[XML]代碼    

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="&#xf242;" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:text="&#xf206;" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="40sp"
        android:textColor="#FF00FF00"
        android:text="&#xf206;" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#FFFF0000"
        android:text="&#xf206;" />

</LinearLayout>