Java tutorial
/* * Copyright (C) 2016 The Android Open Source Project * * 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.deskclock.data; import android.app.Notification; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.os.SystemClock; import android.support.annotation.IdRes; import android.support.annotation.StringRes; import android.support.v4.app.NotificationCompat; import android.support.v4.content.ContextCompat; import android.widget.RemoteViews; import com.android.deskclock.HandleDeskClockApiCalls; import com.android.deskclock.R; import com.android.deskclock.Utils; import com.android.deskclock.stopwatch.StopwatchService; import static android.view.View.GONE; import static android.view.View.INVISIBLE; import static android.view.View.VISIBLE; /** * Builds KK, L, or M-style notifications to reflect the latest state of the stopwatch and * recorded laps. */ class StopwatchNotificationBuilderPreN implements StopwatchModel.NotificationBuilder { @Override public Notification build(Context context, NotificationModel nm, Stopwatch stopwatch) { @StringRes final int eventLabel = R.string.label_notification; // Intent to load the app when the notification is tapped. final Intent showApp = new Intent(context, HandleDeskClockApiCalls.class) .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK).setAction(HandleDeskClockApiCalls.ACTION_SHOW_STOPWATCH) .putExtra(HandleDeskClockApiCalls.EXTRA_EVENT_LABEL, eventLabel); final PendingIntent pendingShowApp = PendingIntent.getActivity(context, 0, showApp, PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT); // Compute some values required below. final boolean running = stopwatch.isRunning(); final String pname = context.getPackageName(); final Resources res = context.getResources(); final long base = SystemClock.elapsedRealtime() - stopwatch.getTotalTime(); final RemoteViews collapsed = new RemoteViews(pname, R.layout.stopwatch_notif_collapsed); collapsed.setChronometer(R.id.swn_collapsed_chronometer, base, null, running); collapsed.setOnClickPendingIntent(R.id.swn_collapsed_hitspace, pendingShowApp); collapsed.setImageViewResource(R.id.notification_icon, R.drawable.stat_notify_stopwatch); final RemoteViews expanded = new RemoteViews(pname, R.layout.stopwatch_notif_expanded); expanded.setChronometer(R.id.swn_expanded_chronometer, base, null, running); expanded.setOnClickPendingIntent(R.id.swn_expanded_hitspace, pendingShowApp); expanded.setImageViewResource(R.id.notification_icon, R.drawable.stat_notify_stopwatch); @IdRes final int leftButtonId = R.id.swn_left_button; @IdRes final int rightButtonId = R.id.swn_right_button; if (running) { // Left button: Pause expanded.setTextViewText(leftButtonId, res.getText(R.string.sw_pause_button)); setTextViewDrawable(expanded, leftButtonId, R.drawable.ic_pause_24dp); final Intent pause = new Intent(context, StopwatchService.class) .setAction(HandleDeskClockApiCalls.ACTION_PAUSE_STOPWATCH) .putExtra(HandleDeskClockApiCalls.EXTRA_EVENT_LABEL, eventLabel); final PendingIntent pendingPause = Utils.pendingServiceIntent(context, pause); expanded.setOnClickPendingIntent(leftButtonId, pendingPause); // Right button: Add Lap if (DataModel.getDataModel().canAddMoreLaps()) { expanded.setTextViewText(rightButtonId, res.getText(R.string.sw_lap_button)); setTextViewDrawable(expanded, rightButtonId, R.drawable.ic_sw_lap_24dp); final Intent lap = new Intent(context, StopwatchService.class) .setAction(HandleDeskClockApiCalls.ACTION_LAP_STOPWATCH) .putExtra(HandleDeskClockApiCalls.EXTRA_EVENT_LABEL, eventLabel); final PendingIntent pendingLap = Utils.pendingServiceIntent(context, lap); expanded.setOnClickPendingIntent(rightButtonId, pendingLap); expanded.setViewVisibility(rightButtonId, VISIBLE); } else { expanded.setViewVisibility(rightButtonId, INVISIBLE); } // Show the current lap number if any laps have been recorded. final int lapCount = DataModel.getDataModel().getLaps().size(); if (lapCount > 0) { final int lapNumber = lapCount + 1; final String lap = res.getString(R.string.sw_notification_lap_number, lapNumber); collapsed.setTextViewText(R.id.swn_collapsed_laps, lap); collapsed.setViewVisibility(R.id.swn_collapsed_laps, VISIBLE); expanded.setTextViewText(R.id.swn_expanded_laps, lap); expanded.setViewVisibility(R.id.swn_expanded_laps, VISIBLE); } else { collapsed.setViewVisibility(R.id.swn_collapsed_laps, GONE); expanded.setViewVisibility(R.id.swn_expanded_laps, GONE); } } else { // Left button: Start expanded.setTextViewText(leftButtonId, res.getText(R.string.sw_start_button)); setTextViewDrawable(expanded, leftButtonId, R.drawable.ic_start_24dp); final Intent start = new Intent(context, StopwatchService.class) .setAction(HandleDeskClockApiCalls.ACTION_START_STOPWATCH) .putExtra(HandleDeskClockApiCalls.EXTRA_EVENT_LABEL, eventLabel); final PendingIntent pendingStart = Utils.pendingServiceIntent(context, start); expanded.setOnClickPendingIntent(leftButtonId, pendingStart); // Right button: Reset (dismisses notification and resets stopwatch) expanded.setViewVisibility(rightButtonId, VISIBLE); expanded.setTextViewText(rightButtonId, res.getText(R.string.sw_reset_button)); setTextViewDrawable(expanded, rightButtonId, R.drawable.ic_reset_24dp); final Intent reset = new Intent(context, StopwatchService.class) .setAction(HandleDeskClockApiCalls.ACTION_RESET_STOPWATCH) .putExtra(HandleDeskClockApiCalls.EXTRA_EVENT_LABEL, eventLabel); final PendingIntent pendingReset = Utils.pendingServiceIntent(context, reset); expanded.setOnClickPendingIntent(rightButtonId, pendingReset); // Indicate the stopwatch is paused. collapsed.setTextViewText(R.id.swn_collapsed_laps, res.getString(R.string.swn_paused)); collapsed.setViewVisibility(R.id.swn_collapsed_laps, VISIBLE); expanded.setTextViewText(R.id.swn_expanded_laps, res.getString(R.string.swn_paused)); expanded.setViewVisibility(R.id.swn_expanded_laps, VISIBLE); } // Swipe away will reset the stopwatch without bringing forward the app. final Intent reset = new Intent(context, StopwatchService.class) .setAction(HandleDeskClockApiCalls.ACTION_RESET_STOPWATCH) .putExtra(HandleDeskClockApiCalls.EXTRA_EVENT_LABEL, eventLabel); final Notification notification = new NotificationCompat.Builder(context).setLocalOnly(true) .setOngoing(running).setContent(collapsed).setAutoCancel(stopwatch.isPaused()) .setPriority(NotificationCompat.PRIORITY_MAX).setSmallIcon(R.drawable.stat_notify_stopwatch) .setDeleteIntent(Utils.pendingServiceIntent(context, reset)) .setColor(ContextCompat.getColor(context, R.color.default_background)).build(); notification.bigContentView = expanded; return notification; } private static void setTextViewDrawable(RemoteViews rv, int viewId, int drawableId) { rv.setTextViewCompoundDrawablesRelative(viewId, drawableId, 0, 0, 0); } }