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.EditText;
23 import com.android.dialer.util.ViewUtil;
24 
25 /** EditText which resizes dynamically with respect to text length. */
26 public class ResizingTextEditText extends EditText {
27 
28   private final int mOriginalTextSize;
29   private final int mMinTextSize;
30 
ResizingTextEditText(Context context, AttributeSet attrs)31   public ResizingTextEditText(Context context, AttributeSet attrs) {
32     super(context, attrs);
33     mOriginalTextSize = (int) getTextSize();
34     TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ResizingText);
35     mMinTextSize =
36         (int) a.getDimension(R.styleable.ResizingText_resizing_text_min_size, mOriginalTextSize);
37     a.recycle();
38   }
39 
40   @Override
onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter)41   protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
42     super.onTextChanged(text, start, lengthBefore, lengthAfter);
43     ViewUtil.resizeText(this, mOriginalTextSize, mMinTextSize);
44   }
45 
46   @Override
onSizeChanged(int w, int h, int oldw, int oldh)47   protected void onSizeChanged(int w, int h, int oldw, int oldh) {
48     super.onSizeChanged(w, h, oldw, oldh);
49     ViewUtil.resizeText(this, mOriginalTextSize, mMinTextSize);
50   }
51 }
52