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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.dialer.widget;
     18 
     19 import android.content.Context;
     20 import android.content.res.TypedArray;
     21 import android.util.AttributeSet;
     22 import android.widget.TextView;
     23 import com.android.dialer.util.ViewUtil;
     24 
     25 /** TextView which resizes dynamically with respect to text length. */
     26 public class ResizingTextTextView extends TextView {
     27 
     28   private final int originalTextSize;
     29   private final int minTextSize;
     30 
     31   public ResizingTextTextView(Context context, AttributeSet attrs) {
     32     super(context, attrs);
     33     originalTextSize = (int) getTextSize();
     34     TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ResizingText);
     35     minTextSize =
     36         (int) a.getDimension(R.styleable.ResizingText_resizing_text_min_size, originalTextSize);
     37     a.recycle();
     38   }
     39 
     40   @Override
     41   protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
     42     super.onTextChanged(text, start, lengthBefore, lengthAfter);
     43     ViewUtil.resizeText(this, originalTextSize, minTextSize);
     44   }
     45 
     46   @Override
     47   protected void onSizeChanged(int w, int h, int oldw, int oldh) {
     48     super.onSizeChanged(w, h, oldw, oldh);
     49     ViewUtil.resizeText(this, originalTextSize, minTextSize);
     50   }
     51 }
     52