Back to project page datetimepicker.
The source code is released under:
Apache License
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/* * Copyright (C) 2013 The Android Open Source Project */* w w w .j a v a 2s. c o m*/ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.datetimepicker.date; import android.content.Context; import android.content.res.Resources; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Paint.Align; import android.graphics.Paint.Style; import android.util.AttributeSet; import android.widget.TextView; import com.android.datetimepicker.R; /** * A text view which, when pressed or activated, displays a blue circle around the text. */ public class TextViewWithCircularIndicator extends TextView { private static final int SELECTED_CIRCLE_ALPHA = 60; Paint mCirclePaint = new Paint(); private final int mRadius; private final int mCircleColor; private final String mItemIsSelectedText; private boolean mDrawCircle; public TextViewWithCircularIndicator(Context context, AttributeSet attrs) { super(context, attrs); Resources res = context.getResources(); mCircleColor = res.getColor(R.color.blue); mRadius = res.getDimensionPixelOffset(R.dimen.month_select_circle_radius); mItemIsSelectedText = context.getResources().getString(R.string.item_is_selected); init(); } private void init() { mCirclePaint.setFakeBoldText(true); mCirclePaint.setAntiAlias(true); mCirclePaint.setColor(mCircleColor); mCirclePaint.setTextAlign(Align.CENTER); mCirclePaint.setStyle(Style.FILL); mCirclePaint.setAlpha(SELECTED_CIRCLE_ALPHA); } public void drawIndicator(boolean drawCircle) { mDrawCircle = drawCircle; } @Override public void onDraw(Canvas canvas) { super.onDraw(canvas); if (mDrawCircle) { final int width = getWidth(); final int height = getHeight(); int radius = Math.min(width, height) / 2; canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint); } } @Override public CharSequence getContentDescription() { CharSequence itemText = getText(); if (mDrawCircle) { return String.format(mItemIsSelectedText, itemText); } else { return itemText; } } }