Android Open Source - RobotoCalendarView Roboto Text View

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 Marco Hernaiz Cao//from   w  w w . jav a  2s .c o  m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.disegnator.robotocalendar.font;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.widget.TextView;

import com.disegnator.robotocalendarlibrary.R;

/**
 * Implementation of a {@link TextView} with native support for all the Roboto
 * fonts.
 * 
 * @author Marco Hernaiz Cao
 */
public class RobotoTextView extends TextView {

  /**
   * Simple constructor to use when creating a widget from code.
   * 
   * @param context
   *            The Context the widget is running in, through which it can
   *            access the current theme, resources, etc.
   */
  public RobotoTextView(Context context) {
    super(context);
    onInitTypeface(context, null, 0);
  }

  /**
   * Constructor that is called when inflating a widget from XML. This is
   * called when a widget is being constructed from an XML file, supplying
   * attributes that were specified in the XML file. This version uses a
   * default style of 0, so the only attribute values applied are those in the
   * Context's Theme and the given AttributeSet.
   * <p/>
   * <p/>
   * The method onFinishInflate() will be called after all children have been
   * added.
   * 
   * @param context
   *            The Context the widget is running in, through which it can
   *            access the current theme, resources, etc.
   * @param attrs
   *            The attributes of the XML tag that is inflating the widget.
   * @see #RobotoTextView(Context, AttributeSet, int)
   */
  public RobotoTextView(Context context, AttributeSet attrs) {
    super(context, attrs);
    onInitTypeface(context, attrs, 0);
  }

  /**
   * Perform inflation from XML and apply a class-specific base style. This
   * constructor of View allows subclasses to use their own base style when
   * they are inflating.
   * 
   * @param context
   *            The Context the widget is running in, through which it can
   *            access the current theme, resources, etc.
   * @param attrs
   *            The attributes of the XML tag that is inflating the widget.
   * @param defStyle
   *            The default style to apply to this widget. If 0, no style will
   *            be applied (beyond what is included in the theme). This may
   *            either be an attribute resource, whose value will be retrieved
   *            from the current theme, or an explicit style resource.
   * @see #RobotoTextView(Context, AttributeSet)
   */
  public RobotoTextView(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    onInitTypeface(context, attrs, defStyle);
  }

  /**
   * Setup Roboto typeface.
   * 
   * @param context
   *            The Context the widget is running in, through which it can
   *            access the current theme, resources, etc.
   * @param attrs
   *            The attributes of the XML tag that is inflating the widget.
   * @param defStyle
   *            The default style to apply to this widget. If 0, no style will
   *            be applied (beyond what is included in the theme).
   */
  private void onInitTypeface(Context context, AttributeSet attrs, int defStyle) {
    // Typeface.createFromAsset doesn't work in the layout editor, so
    // skipping.
    if (isInEditMode()) {
      return;
    }

    int typefaceValue = 0;
    if (attrs != null) {
      TypedArray values = context.obtainStyledAttributes(attrs, R.styleable.RobotoTextView, defStyle, 0);
      typefaceValue = values.getInt(R.styleable.RobotoTextView_font, 0);
      values.recycle();
    }

    Typeface robotoTypeface = RobotoTypefaceManager.obtaintTypeface(context, typefaceValue);
    setTypeface(robotoTypeface);
  }

}

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