1/* 2 * Copyright (C) 2013 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 17package com.android.datetimepicker.date; 18 19import android.content.Context; 20import android.content.res.Resources; 21import android.graphics.Canvas; 22import android.graphics.Paint; 23import android.graphics.Paint.Align; 24import android.graphics.Paint.Style; 25import android.text.format.DateUtils; 26import android.util.AttributeSet; 27import android.view.accessibility.AccessibilityEvent; 28import android.widget.TextView; 29 30import com.android.datetimepicker.R; 31 32/** 33 * A text view which, when pressed or activated, displays a blue circle around the text. 34 */ 35public class TextViewWithCircularIndicator extends TextView { 36 37 private static final int SELECTED_CIRCLE_ALPHA = 60; 38 39 Paint mCirclePaint = new Paint(); 40 41 private final int mRadius; 42 private final int mCircleColor; 43 private final String mItemIsSelectedText; 44 45 private boolean mDrawCircle; 46 47 public TextViewWithCircularIndicator(Context context, AttributeSet attrs) { 48 super(context, attrs); 49 Resources res = context.getResources(); 50 mCircleColor = res.getColor(R.color.blue); 51 mRadius = res.getDimensionPixelOffset(R.dimen.month_select_circle_radius); 52 mItemIsSelectedText = context.getResources().getString(R.string.item_is_selected); 53 54 init(); 55 } 56 57 private void init() { 58 mCirclePaint.setFakeBoldText(true); 59 mCirclePaint.setAntiAlias(true); 60 mCirclePaint.setColor(mCircleColor); 61 mCirclePaint.setTextAlign(Align.CENTER); 62 mCirclePaint.setStyle(Style.FILL); 63 mCirclePaint.setAlpha(SELECTED_CIRCLE_ALPHA); 64 } 65 66 public void drawIndicator(boolean drawCircle) { 67 mDrawCircle = drawCircle; 68 } 69 70 @Override 71 public void onDraw(Canvas canvas) { 72 super.onDraw(canvas); 73 if (mDrawCircle) { 74 final int width = getWidth(); 75 final int height = getHeight(); 76 int radius = Math.min(width, height) / 2; 77 canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint); 78 } 79 } 80 81 @Override 82 public CharSequence getContentDescription() { 83 CharSequence itemText = getText(); 84 if (mDrawCircle) { 85 return String.format(mItemIsSelectedText, itemText); 86 } else { 87 return itemText; 88 } 89 } 90} 91