Update browseable samples for lmp-docs
Synced to commit df5e5013422b81b4fd05c0ac9fd964b13624847a. Includes new samples for Android Auto. Change-Id: I3fec46e2a6b3f196682a92f1afd91eb682dc2dc1
This commit is contained in:
Trevor Johns
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.wearable.timer;
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import android.app.Activity;
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import android.app.AlarmManager;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.provider.AlarmClock;
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import android.support.wearable.view.WearableListView;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import com.example.android.wearable.timer.util.Constants;
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import com.example.android.wearable.timer.util.TimerFormat;
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/** This class sets a timer. */
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public class SetTimerActivity extends Activity implements WearableListView.ClickListener {
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public static final int NUMBER_OF_TIMES = 10;
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public static final String TAG = "SetTimerActivity";
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private ListViewItem[] mTimeOptions = new ListViewItem[NUMBER_OF_TIMES];
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private WearableListView mWearableListView;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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int paramLength = getIntent().getIntExtra(AlarmClock.EXTRA_LENGTH, 0);
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if (Log.isLoggable(TAG, Log.DEBUG)) {
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Log.d(TAG, "SetTimerActivity:onCreate=" + paramLength);
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}
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if (paramLength > 0 && paramLength <= 86400) {
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long durationMillis = paramLength * 1000;
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setupTimer(durationMillis);
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finish();
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return;
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}
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Resources res = getResources();
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for (int i = 0; i < NUMBER_OF_TIMES; i++) {
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mTimeOptions[i] = new ListViewItem(
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res.getQuantityString(R.plurals.timer_minutes, i + 1, i + 1),
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(i + 1) * 60 * 1000);
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}
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setContentView(R.layout.timer_set_timer);
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// Initialize a simple list of countdown time options.
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mWearableListView = (WearableListView) findViewById(R.id.times_list_view);
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mWearableListView.setAdapter(new TimerWearableListViewAdapter(this));
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mWearableListView.setClickListener(this);
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}
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/**
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* Sets up an alarm (and an associated notification) to go off after <code>duration</code>
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* milliseconds.
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*/
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private void setupTimer(long duration) {
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NotificationManager notifyMgr =
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((NotificationManager) getSystemService(NOTIFICATION_SERVICE));
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// Delete dataItem and cancel a potential old countdown.
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cancelCountdown(notifyMgr);
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// Build notification and set it.
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notifyMgr.notify(Constants.NOTIFICATION_TIMER_COUNTDOWN, buildNotification(duration));
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// Register with the alarm manager to display a notification when the timer is done.
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registerWithAlarmManager(duration);
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finish();
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}
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@Override
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public void onClick(WearableListView.ViewHolder holder) {
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long duration = mTimeOptions[holder.getPosition()].duration;
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setupTimer(duration);
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}
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@Override
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public void onTopEmptyRegionClick() {
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}
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private void registerWithAlarmManager(long duration) {
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// Get the alarm manager.
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AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
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// Create intent that gets fired when timer expires.
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Intent intent = new Intent(Constants.ACTION_SHOW_ALARM, null, this,
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TimerNotificationService.class);
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PendingIntent pendingIntent = PendingIntent.getService(this, 0, intent,
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PendingIntent.FLAG_UPDATE_CURRENT);
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// Calculate the time when it expires.
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long wakeupTime = System.currentTimeMillis() + duration;
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// Schedule an alarm.
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alarm.setExact(AlarmManager.RTC_WAKEUP, wakeupTime, pendingIntent);
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}
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/**
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* Build a notification including different actions and other various setup and return it.
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*
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* @param duration the duration of the timer.
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* @return the notification to display.
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*/
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private Notification buildNotification(long duration) {
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// Intent to restart a timer.
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Intent restartIntent = new Intent(Constants.ACTION_RESTART_ALARM, null, this,
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TimerNotificationService.class);
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PendingIntent pendingIntentRestart = PendingIntent
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.getService(this, 0, restartIntent, PendingIntent.FLAG_UPDATE_CURRENT);
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// Intent to delete a timer.
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Intent deleteIntent = new Intent(Constants.ACTION_DELETE_ALARM, null, this,
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TimerNotificationService.class);
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PendingIntent pendingIntentDelete = PendingIntent
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.getService(this, 0, deleteIntent, PendingIntent.FLAG_UPDATE_CURRENT);
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// Create countdown notification using a chronometer style.
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return new Notification.Builder(this)
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.setSmallIcon(R.drawable.ic_cc_alarm)
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.setContentTitle(getString(R.string.timer_time_left))
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.setContentText(TimerFormat.getTimeString(duration))
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.setUsesChronometer(true)
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.setWhen(System.currentTimeMillis() + duration)
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.addAction(R.drawable.ic_cc_alarm, getString(R.string.timer_restart),
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pendingIntentRestart)
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.addAction(R.drawable.ic_cc_alarm, getString(R.string.timer_delete),
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pendingIntentDelete)
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.setDeleteIntent(pendingIntentDelete)
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.setLocalOnly(true)
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.build();
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}
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/**
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* Cancels an old countdown and deletes the dataItem.
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*
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* @param notifyMgr the notification manager.
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*/
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private void cancelCountdown(NotificationManager notifyMgr) {
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notifyMgr.cancel(Constants.NOTIFICATION_TIMER_EXPIRED);
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}
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/** Model class for the listview. */
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private static class ListViewItem {
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// Duration in milliseconds.
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long duration;
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// Label to display.
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private String label;
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public ListViewItem(String label, long duration) {
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this.label = label;
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this.duration = duration;
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}
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@Override
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public String toString() {
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return label;
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}
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}
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private final class TimerWearableListViewAdapter extends WearableListView.Adapter {
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private final Context mContext;
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private final LayoutInflater mInflater;
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private TimerWearableListViewAdapter(Context context) {
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mContext = context;
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mInflater = LayoutInflater.from(context);
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}
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@Override
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public WearableListView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
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return new WearableListView.ViewHolder(
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mInflater.inflate(R.layout.timer_list_item, null));
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}
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@Override
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public void onBindViewHolder(WearableListView.ViewHolder holder, int position) {
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TextView view = (TextView) holder.itemView.findViewById(R.id.time_text);
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view.setText(mTimeOptions[position].label);
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holder.itemView.setTag(position);
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}
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@Override
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public int getItemCount() {
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return NUMBER_OF_TIMES;
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}
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}
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}
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