Java tutorial
/* * Copyright (C) 2014 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 androidavanzato.wearablenotifications; import android.app.Notification; import android.content.Context; import android.graphics.BitmapFactory; import android.graphics.Color; import android.graphics.Typeface; import android.support.v4.app.NotificationCompat; import android.text.SpannableStringBuilder; import android.text.style.ForegroundColorSpan; import android.text.style.RelativeSizeSpan; import android.text.style.StrikethroughSpan; import android.text.style.StyleSpan; import android.text.style.SubscriptSpan; import android.text.style.SuperscriptSpan; import android.text.style.TypefaceSpan; import android.text.style.UnderlineSpan; import android.view.Gravity; /** * Collection of notification builder presets. */ public class NotificationPresets { private static final String EXAMPLE_GROUP_KEY = "example"; public static final NotificationPreset BASIC = new BasicNotificationPreset(); public static final NotificationPreset STYLIZED_TEXT = new StylizedTextNotificationPreset(); public static final NotificationPreset INBOX = new InboxNotificationPreset(); public static final NotificationPreset BIG_PICTURE = new BigPictureNotificationPreset(); public static final NotificationPreset BIG_TEXT = new BigTextNotificationPreset(); public static final NotificationPreset BOTTOM_ALIGNED = new BottomAlignedNotificationPreset(); public static final NotificationPreset GRAVITY = new GravityNotificationPreset(); public static final NotificationPreset CONTENT_ACTION = new ContentActionNotificationPreset(); public static final NotificationPreset CONTENT_ICON = new ContentIconNotificationPreset(); public static final NotificationPreset MULTIPLE_PAGE = new MultiplePageNotificationPreset(); public static final NotificationPreset BUNDLE = new NotificationBundlePreset(); public static final NotificationPreset BARCODE = new NotificationBarcodePreset(); public static final NotificationPreset[] PRESETS = new NotificationPreset[] { BASIC, STYLIZED_TEXT, INBOX, BIG_PICTURE, BIG_TEXT, BOTTOM_ALIGNED, GRAVITY, CONTENT_ACTION, CONTENT_ICON, MULTIPLE_PAGE, BUNDLE, BARCODE }; private static NotificationCompat.Builder applyBasicOptions(Context context, NotificationCompat.Builder builder, NotificationCompat.WearableExtender wearableOptions, NotificationPreset.BuildOptions options) { builder.setContentTitle(options.titlePreset).setContentText(options.textPreset) .setSmallIcon(R.mipmap.ic_launcher).setDeleteIntent( NotificationUtil.getExamplePendingIntent(context, R.string.example_notification_deleted)); options.actionsPreset.apply(context, builder, wearableOptions); options.priorityPreset.apply(builder, wearableOptions); if (options.includeLargeIcon) { builder.setLargeIcon( BitmapFactory.decodeResource(context.getResources(), R.drawable.example_large_icon)); } if (options.isLocalOnly) { builder.setLocalOnly(true); } if (options.hasContentIntent) { builder.setContentIntent( NotificationUtil.getExamplePendingIntent(context, R.string.content_intent_clicked)); } if (options.vibrate) { builder.setVibrate(new long[] { 0, 100, 50, 100 }); } return builder; } private static class BasicNotificationPreset extends NotificationPreset { public BasicNotificationPreset() { super(R.string.basic_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.Builder builder = new NotificationCompat.Builder(context); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class StylizedTextNotificationPreset extends NotificationPreset { public StylizedTextNotificationPreset() { super(R.string.stylized_text_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.BigTextStyle style = new NotificationCompat.BigTextStyle(); SpannableStringBuilder title = new SpannableStringBuilder(); appendStyled(title, "Stylized", new StyleSpan(Typeface.BOLD_ITALIC)); title.append(" title"); SpannableStringBuilder text = new SpannableStringBuilder("Stylized text: "); appendStyled(text, "C", new ForegroundColorSpan(Color.RED)); appendStyled(text, "O", new ForegroundColorSpan(Color.GREEN)); appendStyled(text, "L", new ForegroundColorSpan(Color.BLUE)); appendStyled(text, "O", new ForegroundColorSpan(Color.YELLOW)); appendStyled(text, "R", new ForegroundColorSpan(Color.MAGENTA)); appendStyled(text, "S", new ForegroundColorSpan(Color.CYAN)); text.append("; "); appendStyled(text, "1.25x size", new RelativeSizeSpan(1.25f)); text.append("; "); appendStyled(text, "0.75x size", new RelativeSizeSpan(0.75f)); text.append("; "); appendStyled(text, "underline", new UnderlineSpan()); text.append("; "); appendStyled(text, "strikethrough", new StrikethroughSpan()); text.append("; "); appendStyled(text, "bold", new StyleSpan(Typeface.BOLD)); text.append("; "); appendStyled(text, "italic", new StyleSpan(Typeface.ITALIC)); text.append("; "); appendStyled(text, "sans-serif-thin", new TypefaceSpan("sans-serif-thin")); text.append("; "); appendStyled(text, "monospace", new TypefaceSpan("monospace")); text.append("; "); appendStyled(text, "sub", new SubscriptSpan()); text.append("script"); appendStyled(text, "super", new SuperscriptSpan()); style.setBigContentTitle(title); style.bigText(text); NotificationCompat.Builder builder = new NotificationCompat.Builder(context).setStyle(style); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } private void appendStyled(SpannableStringBuilder builder, String str, Object... spans) { builder.append(str); for (Object span : spans) { builder.setSpan(span, builder.length() - str.length(), builder.length(), 0); } } } private static class InboxNotificationPreset extends NotificationPreset { public InboxNotificationPreset() { super(R.string.inbox_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle(); style.addLine(context.getString(R.string.inbox_style_example_line1)); style.addLine(context.getString(R.string.inbox_style_example_line2)); style.addLine(context.getString(R.string.inbox_style_example_line3)); style.setBigContentTitle(context.getString(R.string.inbox_style_example_title)); style.setSummaryText(context.getString(R.string.inbox_style_example_summary_text)); NotificationCompat.Builder builder = new NotificationCompat.Builder(context).setStyle(style); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class BigPictureNotificationPreset extends NotificationPreset { public BigPictureNotificationPreset() { super(R.string.big_picture_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.BigPictureStyle style = new NotificationCompat.BigPictureStyle(); style.bigPicture(BitmapFactory.decodeResource(context.getResources(), R.drawable.example_big_picture)); style.setBigContentTitle(context.getString(R.string.big_picture_style_example_title)); style.setSummaryText(context.getString(R.string.big_picture_style_example_summary_text)); NotificationCompat.Builder builder = new NotificationCompat.Builder(context).setStyle(style); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class BigTextNotificationPreset extends NotificationPreset { public BigTextNotificationPreset() { super(R.string.big_text_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.BigTextStyle style = new NotificationCompat.BigTextStyle(); style.bigText(context.getString(R.string.big_text_example_big_text)); style.setBigContentTitle(context.getString(R.string.big_text_example_title)); style.setSummaryText(context.getString(R.string.big_text_example_summary_text)); NotificationCompat.Builder builder = new NotificationCompat.Builder(context).setStyle(style); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class BottomAlignedNotificationPreset extends NotificationPreset { public BottomAlignedNotificationPreset() { super(R.string.bottom_aligned_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.Builder builder = new NotificationCompat.Builder(context); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); NotificationCompat.Builder secondPageBuilder = new NotificationCompat.Builder(context); secondPageBuilder.setContentTitle(context.getString(R.string.second_page_content_title)); secondPageBuilder.setContentText(context.getString(R.string.big_text_example_big_text)); secondPageBuilder.extend(new NotificationCompat.WearableExtender().setStartScrollBottom(true)); wearableOptions.addPage(secondPageBuilder.build()); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class GravityNotificationPreset extends NotificationPreset { public GravityNotificationPreset() { super(R.string.gravity_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.Builder builder = new NotificationCompat.Builder(context); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, builder, wearableOptions, options); NotificationCompat.Builder secondPageBuilder = new NotificationCompat.Builder(context) .setContentTitle(options.titlePreset).setContentText(options.textPreset) .extend(new NotificationCompat.WearableExtender().setGravity(Gravity.CENTER_VERTICAL)); wearableOptions.addPage(secondPageBuilder.build()); NotificationCompat.Builder thirdPageBuilder = new NotificationCompat.Builder(context) .setContentTitle(options.titlePreset).setContentText(options.textPreset) .extend(new NotificationCompat.WearableExtender().setGravity(Gravity.TOP)); wearableOptions.addPage(thirdPageBuilder.build()); wearableOptions.setGravity(Gravity.BOTTOM); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class ContentActionNotificationPreset extends NotificationPreset { public ContentActionNotificationPreset() { super(R.string.content_action_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { Notification secondPage = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.second_page_content_title)) .setContentText(context.getString(R.string.second_page_content_text)) .extend(new NotificationCompat.WearableExtender().setContentAction(1)).build(); NotificationCompat.Builder builder = new NotificationCompat.Builder(context); NotificationCompat.Action action = new NotificationCompat.Action.Builder(R.drawable.ic_result_open, null, NotificationUtil.getExamplePendingIntent(context, R.string.example_content_action_clicked)) .build(); NotificationCompat.Action action2 = new NotificationCompat.Action.Builder(R.drawable.ic_result_open, null, NotificationUtil.getExamplePendingIntent(context, R.string.example_content_action2_clicked)) .build(); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender() .addAction(action).addAction(action2).addPage(secondPage).setContentAction(0) .setHintHideIcon(true); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } @Override public boolean actionsRequired() { return true; } } private static class ContentIconNotificationPreset extends NotificationPreset { public ContentIconNotificationPreset() { super(R.string.content_icon_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { Notification secondPage = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.second_page_content_title)) .setContentText(context.getString(R.string.second_page_content_text)) .extend(new NotificationCompat.WearableExtender().setContentIcon(R.drawable.content_icon_small) .setContentIconGravity(Gravity.START)) .build(); Notification thirdPage = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.third_page_content_title)) .setContentText(context.getString(R.string.third_page_content_text)) .extend(new NotificationCompat.WearableExtender().setContentIcon(R.drawable.content_icon_large)) .build(); Notification fourthPage = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.fourth_page_content_title)) .setContentText(context.getString(R.string.fourth_page_content_text)) .extend(new NotificationCompat.WearableExtender().setContentIcon(R.drawable.content_icon_large) .setContentIconGravity(Gravity.START)) .build(); NotificationCompat.Builder builder = new NotificationCompat.Builder(context); NotificationCompat.WearableExtender wearableOptions = new NotificationCompat.WearableExtender() .setHintHideIcon(true).setContentIcon(R.drawable.content_icon_small).addPage(secondPage) .addPage(thirdPage).addPage(fourthPage); applyBasicOptions(context, builder, wearableOptions, options); builder.extend(wearableOptions); return new Notification[] { builder.build() }; } } private static class MultiplePageNotificationPreset extends NotificationPreset { public MultiplePageNotificationPreset() { super(R.string.multiple_page_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.Builder secondPageBuilder = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.second_page_content_title)) .setContentText(context.getString(R.string.second_page_content_text)); NotificationCompat.Builder firstPageBuilder = new NotificationCompat.Builder(context); NotificationCompat.WearableExtender firstPageWearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, firstPageBuilder, firstPageWearableOptions, options); Integer firstBackground = options.backgroundIds == null ? null : options.backgroundIds[0]; if (firstBackground != null) { NotificationCompat.BigPictureStyle style = new NotificationCompat.BigPictureStyle(); style.bigPicture(BitmapFactory.decodeResource(context.getResources(), firstBackground)); firstPageBuilder.setStyle(style); } Integer secondBackground = options.backgroundIds == null ? null : options.backgroundIds[1]; if (secondBackground != null) { NotificationCompat.BigPictureStyle style = new NotificationCompat.BigPictureStyle(); style.bigPicture(BitmapFactory.decodeResource(context.getResources(), secondBackground)); secondPageBuilder.setStyle(style); } firstPageBuilder.extend(firstPageWearableOptions.addPage(secondPageBuilder.build())); return new Notification[] { firstPageBuilder.build() }; } @Override public int countBackgroundPickersRequired() { return 2; // This sample does 2 pages notifications. } } private static class NotificationBundlePreset extends NotificationPreset { public NotificationBundlePreset() { super(R.string.bundle_example, R.string.example_content_title, R.string.example_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.Builder childBuilder1 = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.first_child_content_title)) .setContentText(context.getString(R.string.first_child_content_text)) .setSmallIcon(R.mipmap.ic_launcher).setLocalOnly(options.isLocalOnly) .setGroup(EXAMPLE_GROUP_KEY).setSortKey("0"); NotificationCompat.Builder childBuilder2 = new NotificationCompat.Builder(context) .setContentTitle(context.getString(R.string.second_child_content_title)) .setContentText(context.getString(R.string.second_child_content_text)) .setSmallIcon(R.mipmap.ic_launcher) .addAction(R.mipmap.ic_launcher, context.getString(R.string.second_child_action), NotificationUtil.getExamplePendingIntent(context, R.string.second_child_action_clicked)) .setLocalOnly(options.isLocalOnly).setGroup(EXAMPLE_GROUP_KEY).setSortKey("1"); NotificationCompat.Builder summaryBuilder = new NotificationCompat.Builder(context) .setGroup(EXAMPLE_GROUP_KEY).setGroupSummary(true); NotificationCompat.WearableExtender summaryWearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, summaryBuilder, summaryWearableOptions, options); summaryBuilder.extend(summaryWearableOptions); return new Notification[] { summaryBuilder.build(), childBuilder1.build(), childBuilder2.build() }; } } private static class NotificationBarcodePreset extends NotificationPreset { public NotificationBarcodePreset() { super(R.string.barcode_example, R.string.barcode_content_title, R.string.barcode_content_text); } @Override public Notification[] buildNotifications(Context context, BuildOptions options) { NotificationCompat.Builder secondPageBuilder = new NotificationCompat.Builder(context) .extend(new NotificationCompat.WearableExtender().setHintShowBackgroundOnly(true) .setBackground(BitmapFactory.decodeResource(context.getResources(), R.drawable.qr_code)) .setHintAvoidBackgroundClipping(true) .setHintScreenTimeout(NotificationCompat.WearableExtender.SCREEN_TIMEOUT_LONG)); NotificationCompat.Builder firstPageBuilder = new NotificationCompat.Builder(context); NotificationCompat.WearableExtender firstPageWearableOptions = new NotificationCompat.WearableExtender(); applyBasicOptions(context, firstPageBuilder, firstPageWearableOptions, options); firstPageBuilder.extend(firstPageWearableOptions.addPage(secondPageBuilder.build())); return new Notification[] { firstPageBuilder.build() }; } } }