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 ResizingTextTextView(Context context, AttributeSet attrs)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 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, originalTextSize, minTextSize); 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, originalTextSize, minTextSize); 50 } 51 } 52