Java tutorial
/* * * Copyright (c) Microsoft. All rights reserved. * Licensed under the MIT license. * * Project Oxford: http://ProjectOxford.ai * * Project Oxford Mimicker Alarm Github: * https://github.com/Microsoft/ProjectOxford-Apps-MimickerAlarm * * Copyright (c) Microsoft Corporation * All rights reserved. * * MIT License: * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ package com.microsoft.mimickeralarm.settings; import android.content.Context; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Typeface; import android.support.v4.content.ContextCompat; import android.support.v7.preference.Preference; import android.support.v7.preference.PreferenceViewHolder; import android.util.AttributeSet; import android.view.Gravity; import android.view.View; import android.widget.LinearLayout; import android.widget.TextView; import com.microsoft.mimickeralarm.R; import com.microsoft.mimickeralarm.utilities.DateTimeUtilities; /** * A custom preference class that handles the settings for a repeating alarm. This class takes * care of drawing the custom settings user experience for the different days of the week. */ public class RepeatingDaysPreference extends Preference { private boolean mChanged; private boolean[] mRepeatingDays; private String[] mDayNames; public RepeatingDaysPreference(Context context, AttributeSet attrs) { super(context, attrs); mDayNames = DateTimeUtilities.getShortDayNames(); mRepeatingDays = new boolean[7]; } @Override public void onBindViewHolder(PreferenceViewHolder holder) { LinearLayout container = (LinearLayout) holder.findViewById(R.id.pref_repeating_container); container.removeAllViews(); for (int i = 0; i < mRepeatingDays.length; i++) { DayView dayView = new DayView(getContext(), this, i); dayView.setText(mDayNames[i]); dayView.setRepeating(mRepeatingDays[i]); container.addView(dayView); } super.onBindViewHolder(holder); } public void setRepeatingDay(int index, boolean doesRepeat) { mRepeatingDays[index] = doesRepeat; } public boolean hasChanged() { return mChanged; } public void setChanged(boolean changed) { mChanged = changed; } public boolean[] getRepeatingDays() { return mRepeatingDays; } private class DayView extends TextView { private Paint mPaint; private int mPadding; private RepeatingDaysPreference mParent; private int mDayIndex; public DayView(Context context, RepeatingDaysPreference parent, int dayIndex) { super(context); mParent = parent; mDayIndex = dayIndex; mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); mPaint.setColor(ContextCompat.getColor(context, R.color.yellow2)); mPadding = context.getResources().getDimensionPixelSize(R.dimen.repeating_day_padding); setLayoutParams(new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 1f)); setHeight(context.getResources().getDimensionPixelSize(R.dimen.repeating_day_height)); setPadding(mPadding, mPadding, mPadding, mPadding); setGravity(Gravity.CENTER); setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { toggleRepeating(); } }); } @Override protected void onDraw(Canvas canvas) { if (getRepeating()) { float centerX = getWidth() / 2; float centerY = getHeight() / 2; canvas.drawCircle(centerX, centerY, centerY - mPadding, mPaint); setTypeface(null, Typeface.BOLD); } else { setTypeface(null, Typeface.NORMAL); } super.onDraw(canvas); } public void toggleRepeating() { setRepeating(!getRepeating()); mParent.setChanged(true); invalidate(); } public boolean getRepeating() { return mParent.getRepeatingDays()[mDayIndex]; } public void setRepeating(boolean repeating) { mParent.setRepeatingDay(mDayIndex, repeating); } } }