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.phone.common.widget; 18 19 import android.content.Context; 20 import android.content.res.TypedArray; 21 import android.util.AttributeSet; 22 import android.widget.TextView; 23 24 import com.android.phone.common.R; 25 import com.android.phone.common.util.ViewUtil; 26 27 /** 28 * TextView which resizes dynamically with respect to text length. 29 */ 30 public class ResizingTextTextView extends TextView { 31 private final int mOriginalTextSize; 32 private final int mMinTextSize; 33 34 public ResizingTextTextView(Context context, AttributeSet attrs) { 35 super(context, attrs); 36 mOriginalTextSize = (int) getTextSize(); 37 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ResizingText); 38 mMinTextSize = (int) a.getDimension(R.styleable.ResizingText_resizing_text_min_size, 39 mOriginalTextSize); 40 a.recycle(); 41 } 42 43 @Override 44 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 45 super.onTextChanged(text, start, lengthBefore, lengthAfter); 46 ViewUtil.resizeText(this, mOriginalTextSize, mMinTextSize); 47 } 48 49 @Override 50 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 51 super.onSizeChanged(w, h, oldw, oldh); 52 ViewUtil.resizeText(this, mOriginalTextSize, mMinTextSize); 53 } 54 } 55