Merge branch 'master' of https://github.com/johnkil/Android-RobotoTextView

Author: johnkil

README.md

@@ -114,6 +114,27 @@ Typeface typeface = RobotoTypefaceManager.obtainTypeface(
 RobotoTextViewUtils.setTypeface(textView, typeface);
 ```
 
+#### With Span
+
+Using parameter `typeface`:
+``` java
+RobotoTypefaceSpan span = new RobotoTypefaceSpan(
+        context,
+        RobotoTypefaceManager.Typeface.ROBOTO_BOLD);
+Spannable spannable = new SpannableString("text");
+spannable.setSpan(span, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+```
+
+Using parameters `fontFamily`, `textWeight` and `textStyle`:
+``` java
+RobotoTypefaceSpan span = new RobotoTypefaceSpan(
+        context,
+        RobotoTypefaceManager.FontFamily.ROBOTO,
+        RobotoTypefaceManager.TextWeight.LIGHT,
+        RobotoTypefaceManager.TextStyle.ITALIC);
+Spannable spannable = new SpannableString("text");
+spannable.setSpan(span, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+```
 
 Gradle
 ------

robototextview/src/main/java/com/devspark/robototextview/style/RobotoTypefaceSpan.java

@@ -0,0 +1,61 @@
+package com.devspark.robototextview.style;
+
+import android.content.Context;
+import android.graphics.Typeface;
+import android.text.TextPaint;
+import android.text.style.MetricAffectingSpan;
+
+import com.devspark.robototextview.util.RobotoTextViewUtils;
+import com.devspark.robototextview.util.RobotoTypefaceManager;
+
+/**
+ * Span for replacing typeface
+ */
+public class RobotoTypefaceSpan extends MetricAffectingSpan {
+
+    /**
+     * Created typefaces.
+     */
+    private final Typeface mTypeface;
+
+    /**
+     * Constructor to use with default typeface (regular).
+     *
+     * @param context The Context the span is using in, through which it can access the current theme, resources, etc.
+     */
+    public RobotoTypefaceSpan(Context context) {
+        this(context, RobotoTypefaceManager.Typeface.ROBOTO_REGULAR);
+    }
+
+    /**
+     * Constructor to use with Typeface Id.
+     *
+     * @param context    The Context the span is using in, through which it can access the current theme, resources, etc.
+     * @param typefaceId Typeface Id ({@link com.devspark.robototextview.util.RobotoTypefaceManager.Typeface})
+     */
+    public RobotoTypefaceSpan(Context context, int typefaceId) {
+        mTypeface = RobotoTypefaceManager.obtainTypeface(context, typefaceId);
+    }
+
+    /**
+     * Constructor to use with set of parameters
+     *
+     * @param context    The Context the span is using in, through which it can access the current theme, resources, etc.
+     * @param fontFamily The value of "fontFamily" attribute ({@link com.devspark.robototextview.util.RobotoTypefaceManager.FontFamily})
+     * @param textWeight The value of "textWeight" attribute ({@link com.devspark.robototextview.util.RobotoTypefaceManager.TextWeight})
+     * @param textStyle  The value of "textStyle" attribute ({@link com.devspark.robototextview.util.RobotoTypefaceManager.TextStyle})
+     */
+    public RobotoTypefaceSpan(Context context, int fontFamily, int textWeight, int textStyle) {
+        mTypeface = RobotoTypefaceManager.obtainTypeface(context, fontFamily, textWeight, textStyle);
+    }
+
+    @Override
+    public void updateDrawState(TextPaint ds) {
+        RobotoTextViewUtils.setTypeface(ds, mTypeface);
+    }
+
+    @Override
+    public void updateMeasureState(TextPaint paint) {
+        RobotoTextViewUtils.setTypeface(paint, mTypeface);
+    }
+}

robototextview/src/main/java/com/devspark/robototextview/util/RobotoTextViewUtils.java

@@ -81,4 +81,15 @@ public static void setTypeface(TextView textView, Typeface typeface) {
         textView.setTypeface(typeface);
     }
 
+    /**
+     * Setup typeface for Paint.
+     *
+     * @param paint    The paint
+     * @param typeface The specify typeface
+     */
+    public static void setTypeface(Paint paint, Typeface typeface) {
+        paint.setFlags(paint.getFlags() | Paint.SUBPIXEL_TEXT_FLAG);
+        paint.setTypeface(typeface);
+    }
+
 }