/** If there are actions, shows the button related views, and adds a button for each action. */
private void addActionButtons(RemoteViews bigView) {
// Remove the existing buttons in case an existing notification is being updated.
bigView.removeAllViews(R.id.buttons);
// Always set the visibility of the views associated with the action buttons. The current
// visibility state is not known as perhaps an existing notification is being updated.
int visibility = mActions.isEmpty() ? View.GONE : View.VISIBLE;
bigView.setViewVisibility(R.id.button_divider, visibility);
bigView.setViewVisibility(R.id.buttons, visibility);
Resources resources = mContext.getResources();
DisplayMetrics metrics = resources.getDisplayMetrics();
for (Action action : mActions) {
RemoteViews view =
new RemoteViews(mContext.getPackageName(), R.layout.web_notification_button);
// If there is an icon then set it and add some padding.
if (action.iconBitmap != null || action.iconId != 0) {
if (useMaterial()) {
view.setInt(R.id.button_icon, "setColorFilter", BUTTON_ICON_COLOR_MATERIAL);
}
int iconWidth = 0;
if (action.iconBitmap != null) {
view.setImageViewBitmap(R.id.button_icon, action.iconBitmap);
iconWidth = action.iconBitmap.getWidth();
} else if (action.iconId != 0) {
view.setImageViewResource(R.id.button_icon, action.iconId);
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeResource(resources, action.iconId, options);
iconWidth = options.outWidth;
}
iconWidth = dpToPx(Math.min(pxToDp(iconWidth, metrics), MAX_ACTION_ICON_WIDTH_DP), metrics);
// Set the padding of the button so the text does not overlap with the icon. Flip
// between left and right manually as RemoteViews does not expose a method that sets
// padding in a writing-direction independent way.
int buttonPadding =
dpToPx(BUTTON_PADDING_START_DP + BUTTON_ICON_PADDING_DP, metrics) + iconWidth;
int buttonPaddingLeft = LocalizationUtils.isLayoutRtl() ? 0 : buttonPadding;
int buttonPaddingRight = LocalizationUtils.isLayoutRtl() ? buttonPadding : 0;
view.setViewPadding(R.id.button, buttonPaddingLeft, 0, buttonPaddingRight, 0);
}
view.setTextViewText(R.id.button, action.title);
view.setOnClickPendingIntent(R.id.button, action.intent);
bigView.addView(R.id.buttons, view);
}
}
@Override
public void setViewPadding(int viewId, int left, int top, int right, int bottom) {
mRemoteViews.setViewPadding(viewId, left, top, right, bottom);
}
@Override
public Notification build() {
// A note about RemoteViews and updating notifications. When a notification is passed to the
// {@code NotificationManager} with the same tag and id as a previous notification, an
// in-place update will be performed. In that case, the actions of all new
// {@link RemoteViews} will be applied to the views of the old notification. This is safe
// for actions that overwrite old values such as setting the text of a {@code TextView}, but
// care must be taken for additive actions. Especially in the case of
// {@link RemoteViews#addView} the result could be to append new views below stale ones. In
// that case {@link RemoteViews#removeAllViews} must be called before adding new ones.
RemoteViews compactView = new RemoteViews(mContext.getPackageName(), R.layout.web_notification);
RemoteViews bigView = new RemoteViews(mContext.getPackageName(), R.layout.web_notification_big);
float fontScale = mContext.getResources().getConfiguration().fontScale;
bigView.setInt(R.id.body, "setMaxLines", calculateMaxBodyLines(fontScale));
int scaledPadding =
calculateScaledPadding(fontScale, mContext.getResources().getDisplayMetrics());
String formattedTime = "";
// Temporarily allowing disk access. TODO: Fix. See http://crbug.com/577185
StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
StrictMode.allowThreadDiskWrites();
try {
long time = SystemClock.elapsedRealtime();
formattedTime = DateFormat.getTimeFormat(mContext).format(new Date());
RecordHistogram.recordTimesHistogram(
"Android.StrictMode.NotificationUIBuildTime",
SystemClock.elapsedRealtime() - time,
TimeUnit.MILLISECONDS);
} finally {
StrictMode.setThreadPolicy(oldPolicy);
}
for (RemoteViews view : new RemoteViews[] {compactView, bigView}) {
view.setTextViewText(R.id.time, formattedTime);
view.setTextViewText(R.id.title, mTitle);
view.setTextViewText(R.id.body, mBody);
view.setTextViewText(R.id.origin, mOrigin);
view.setImageViewBitmap(R.id.icon, getNormalizedLargeIcon());
view.setViewPadding(R.id.title, 0, scaledPadding, 0, 0);
view.setViewPadding(R.id.body_container, 0, scaledPadding, 0, scaledPadding);
addWorkProfileBadge(view);
int smallIconId = useMaterial() ? R.id.small_icon_overlay : R.id.small_icon_footer;
view.setViewVisibility(smallIconId, View.VISIBLE);
if (mSmallIconBitmap != null) {
view.setImageViewBitmap(smallIconId, mSmallIconBitmap);
} else {
view.setImageViewResource(smallIconId, mSmallIconId);
}
}
addActionButtons(bigView);
configureSettingsButton(bigView);
// Note: this is not a NotificationCompat builder so be mindful of the
// API level of methods you call on the builder.
Notification.Builder builder = new Notification.Builder(mContext);
builder.setTicker(mTickerText);
builder.setContentIntent(mContentIntent);
builder.setDeleteIntent(mDeleteIntent);
builder.setDefaults(mDefaults);
builder.setVibrate(mVibratePattern);
builder.setWhen(mTimestamp);
builder.setOnlyAlertOnce(!mRenotify);
builder.setContent(compactView);
// Some things are duplicated in the builder to ensure the notification shows correctly on
// Wear devices and custom lock screens.
builder.setContentTitle(mTitle);
builder.setContentText(mBody);
builder.setSubText(mOrigin);
builder.setLargeIcon(getNormalizedLargeIcon());
setSmallIconOnBuilder(builder, mSmallIconId, mSmallIconBitmap);
for (Action action : mActions) {
addActionToBuilder(builder, action);
}
if (mSettingsAction != null) {
addActionToBuilder(builder, mSettingsAction);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
// Notification.Builder.setPublicVersion was added in Android L.
builder.setPublicVersion(createPublicNotification(mContext));
}
Notification notification = builder.build();
notification.bigContentView = bigView;
return notification;
}
