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.EditText; 23 24 import com.android.phone.common.R; 25 import com.android.phone.common.util.ViewUtil; 26 27 /** 28 * EditText which resizes dynamically with respect to text length. 29 */ 30 public class ResizingTextEditText extends EditText { 31 private final int mOriginalTextSize; 32 private final int mMinTextSize; 33 private boolean mIsResizeEnabled = true; 34 ResizingTextEditText(Context context, AttributeSet attrs)35 public ResizingTextEditText(Context context, AttributeSet attrs) { 36 super(context, attrs); 37 mOriginalTextSize = (int) getTextSize(); 38 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ResizingText); 39 mMinTextSize = (int) a.getDimension(R.styleable.ResizingText_resizing_text_min_size, 40 mOriginalTextSize); 41 a.recycle(); 42 } 43 44 @Override onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter)45 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 46 super.onTextChanged(text, start, lengthBefore, lengthAfter); 47 if (mIsResizeEnabled) { 48 ViewUtil.resizeText(this, mOriginalTextSize, mMinTextSize); 49 } 50 } 51 52 @Override onSizeChanged(int w, int h, int oldw, int oldh)53 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 54 super.onSizeChanged(w, h, oldw, oldh); 55 if (mIsResizeEnabled) { 56 ViewUtil.resizeText(this, mOriginalTextSize, mMinTextSize); 57 } 58 } 59 setResizeEnabled(boolean isEnabled)60 public void setResizeEnabled(boolean isEnabled) { 61 mIsResizeEnabled = isEnabled; 62 } 63 } 64