net.potterpcs.recipebook.TimerFragment.java Source code

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Here is the source code for net.potterpcs.recipebook.TimerFragment.java

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/*
 *    Copyright 2012 Michael Potter
 *
 * 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.
 * 
 */

/*
 * TimerFragment.java - A simple digital timer that can be shown on-screen
 * along with a recipe. 
 */

package net.potterpcs.recipebook;

import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.support.v4.app.Fragment;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.NumberPicker;
import android.widget.NumberPicker.Formatter;
import android.widget.TextView;
import android.widget.TextView.BufferType;
import android.widget.Toast;

public class TimerFragment extends Fragment {
    // Tag for logging
    //   static final String TAG = "TimerFragment";

    Button startButton;
    Button stopButton;
    TextView display;
    NumberPicker minutePicker;
    NumberPicker secondPicker;
    CountDownTimer timer;
    EditText timermin;
    EditText timersec;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.timerlayout, container, false);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        startButton = (Button) getActivity().findViewById(R.id.timerstartbutton);
        stopButton = (Button) getActivity().findViewById(R.id.timerstopbutton);
        display = (TextView) getActivity().findViewById(R.id.timerdisplay);
        minutePicker = (NumberPicker) getActivity().findViewById(R.id.minutepicker);
        secondPicker = (NumberPicker) getActivity().findViewById(R.id.secondpicker);
        timermin = (EditText) getActivity().findViewById(R.id.timerdisplayminutes);
        timersec = (EditText) getActivity().findViewById(R.id.timerdisplayseconds);

        if (minutePicker != null) {
            minutePicker.setMinValue(0);
            minutePicker.setMaxValue(99);
            secondPicker.setMinValue(0);
            secondPicker.setMaxValue(59);
            secondPicker.setFormatter(new Formatter() {
                @Override
                public String format(int value) {
                    return String.format("%02d", value);
                }
            });
            getActivity().findViewById(R.id.pickerlayout).setVisibility(View.VISIBLE);
            display.setVisibility(View.GONE);
        }

        startButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                int seconds;
                if (minutePicker != null) {
                    seconds = minutePicker.getValue() * 60 + secondPicker.getValue();
                } else {
                    int m = Integer.parseInt(timermin.getEditableText().toString());
                    int s = Integer.parseInt(timersec.getEditableText().toString());
                    seconds = m * 60 + s;
                    timermin.setText(timermin.getText(), BufferType.NORMAL);
                    timersec.setText(timersec.getText(), BufferType.NORMAL);
                }
                startButton.setEnabled(false);
                stopButton.setEnabled(true);

                if (minutePicker == null) {
                    timermin.setEnabled(false);
                    timersec.setEnabled(false);
                } else {
                    minutePicker.setEnabled(false);
                    secondPicker.setEnabled(false);
                    getActivity().findViewById(R.id.pickerlayout).setVisibility(View.GONE);
                    display.setVisibility(View.VISIBLE);
                }

                if (display != null) {
                    display.setText(DateUtils.formatElapsedTime(seconds));
                }

                timer = new CountDownTimer(seconds * 1000, 1000) {

                    @Override
                    public void onTick(long millisUntilFinished) {
                        //                  Log.i(TAG, "tick " + millisUntilFinished);
                        if (display != null) {
                            display.setText(DateUtils.formatElapsedTime(millisUntilFinished / 1000));
                        } else {
                            int totalsec = (int) (millisUntilFinished / 1000);
                            int s = totalsec % 60;
                            int m = totalsec / 60;
                            timermin.setText(String.format("%02d", m));
                            timersec.setText(String.format("%02d", s));
                        }
                    }

                    @Override
                    public void onFinish() {
                        // Play a sound and show a message when the timer ends
                        MediaPlayer mp = MediaPlayer.create(getActivity(), R.raw.ding);
                        mp.setOnCompletionListener(new OnCompletionListener() {
                            @Override
                            public void onCompletion(MediaPlayer mp) {
                                mp.release();
                            }
                        });
                        mp.setVolume(1.0f, 1.0f);
                        Toast.makeText(getActivity(), "Done!", Toast.LENGTH_LONG).show();
                        mp.start();
                        clearToZero();
                    }
                };

                timer.start();
            }
        });

        stopButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                timer.cancel();
                clearToZero();
            }
        });
    }

    void clearToZero() {
        startButton.setEnabled(true);
        stopButton.setEnabled(false);

        if (minutePicker == null) {
            timermin.setEnabled(true);
            timersec.setEnabled(true);
        } else {
            minutePicker.setEnabled(true);
            secondPicker.setEnabled(true);
            getActivity().findViewById(R.id.pickerlayout).setVisibility(View.VISIBLE);
            display.setVisibility(View.GONE);
        }

        if (display != null) {
            display.setText(DateUtils.formatElapsedTime(0));
        } else {
            timermin.setText("00", BufferType.EDITABLE);
            timersec.setText("00", BufferType.EDITABLE);
        }
    }
}