Reducing bitmap sizes in notifications (d0426628) · Commits · e / os / android_frameworks_base

core/java/android/app/Notification.java

+84 −0

Original line number	Diff line number	Diff line
		@@ -1091,6 +1091,11 @@ public class Notification implements Parcelable
		*/
		public static final String EXTRA_CONTAINS_CUSTOM_VIEW = "android.contains.customView";

		/**
		* @hide
		*/
		public static final String EXTRA_REDUCED_IMAGES = "android.reduced.images";

		/**
		* {@link #extras} key: the audio contents of this notification.
		*
		@@ -4956,8 +4961,12 @@ public class Notification implements Parcelable
		buildUnstyled();

		if (mStyle != null) {
		mStyle.reduceImageSizes(mContext);
		mStyle.purgeResources();
		mStyle.buildStyled(mN);
		}
		mN.reduceImageSizes(mContext);

		if (mContext.getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.N
		&& (useExistingRemoteView())) {
		if (mN.contentView == null) {
		@@ -5158,6 +5167,52 @@ public class Notification implements Parcelable
		}
		}

		/**
		* Reduces the image sizes to conform to a maximum allowed size. This also processes all custom
		* remote views.
		*
		* @hide
		*/
		void reduceImageSizes(Context context) {
		if (extras.getBoolean(EXTRA_REDUCED_IMAGES)) {
		return;
		}
		if (mLargeIcon != null \|\| largeIcon != null) {
		Resources resources = context.getResources();
		Class<? extends Style> style = getNotificationStyle();
		int maxWidth = resources.getDimensionPixelSize(R.dimen.notification_right_icon_size);
		int maxHeight = maxWidth;
		if (MediaStyle.class.equals(style)
		\|\| DecoratedMediaCustomViewStyle.class.equals(style)) {
		maxHeight = resources.getDimensionPixelSize(
		R.dimen.notification_media_image_max_height);
		maxWidth = resources.getDimensionPixelSize(
		R.dimen.notification_media_image_max_width);
		}
		if (mLargeIcon != null) {
		mLargeIcon.scaleDownIfNecessary(maxWidth, maxHeight);
		}
		if (largeIcon != null) {
		largeIcon = Icon.scaleDownIfNecessary(largeIcon, maxWidth, maxHeight);
		}
		}
		reduceImageSizesForRemoteView(contentView, context);
		reduceImageSizesForRemoteView(headsUpContentView, context);
		reduceImageSizesForRemoteView(bigContentView, context);
		extras.putBoolean(EXTRA_REDUCED_IMAGES, true);
		}

		private void reduceImageSizesForRemoteView(RemoteViews remoteView, Context context) {
		if (remoteView != null) {
		Resources resources = context.getResources();
		int maxWidth = resources.getDimensionPixelSize(
		R.dimen.notification_custom_view_max_image_width);
		int maxHeight = resources.getDimensionPixelSize(
		R.dimen.notification_custom_view_max_image_height);
		remoteView.reduceImageSizes(maxWidth, maxHeight);
		}
		}

		/**
		* @return whether this notification is a foreground service notification
		*/
		@@ -5459,6 +5514,14 @@ public class Notification implements Parcelable
		public boolean displayCustomViewInline() {
		return false;
		}

		/**
		* Reduces the image sizes contained in this style.
		*
		* @hide
		*/
		public void reduceImageSizes(Context context) {
		}
		}

		/**
		@@ -5554,6 +5617,27 @@ public class Notification implements Parcelable
		}
		}

		/**
		* @hide
		*/
		@Override
		public void reduceImageSizes(Context context) {
		super.reduceImageSizes(context);
		Resources resources = context.getResources();
		if (mPicture != null) {
		int maxPictureWidth = resources.getDimensionPixelSize(
		R.dimen.notification_big_picture_max_height);
		int maxPictureHeight = resources.getDimensionPixelSize(
		R.dimen.notification_big_picture_max_width);
		mPicture = Icon.scaleDownIfNecessary(mPicture, maxPictureWidth, maxPictureHeight);
		}
		if (mBigLargeIcon != null) {
		int rightIconSize = resources.getDimensionPixelSize(
		R.dimen.notification_right_icon_size);
		mBigLargeIcon.scaleDownIfNecessary(rightIconSize, rightIconSize);
		}
		}

		/**
		* @hide
		*/

core/java/android/app/NotificationManager.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -307,6 +307,7 @@ public class NotificationManager {
		}
		}
		if (localLOGV) Log.v(TAG, pkg + ": notify(" + id + ", " + notification + ")");
		notification.reduceImageSizes(mContext);
		ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
		boolean isLowRam = am.isLowRamDevice();
		final Notification copy = Builder.maybeCloneStrippedForDelivery(notification, isLowRam);

core/java/android/widget/RemoteViews.java

+16 −0

Original line number	Diff line number	Diff line
		@@ -198,6 +198,22 @@ public class RemoteViews implements Parcelable, Filter {
		mActions.add(new SetRemoteInputsAction(viewId, remoteInputs));
		}

		/**
		* Reduces all images and ensures that they are all below the given sizes.
		*
		* @param maxWidth the maximum width allowed
		* @param maxHeight the maximum height allowed
		*
		* @hide
		*/
		public void reduceImageSizes(int maxWidth, int maxHeight) {
		ArrayList<Bitmap> cache = mBitmapCache.mBitmaps;
		for (int i = 0; i < cache.size(); i++) {
		Bitmap bitmap = cache.get(i);
		cache.set(i, Icon.scaleDownIfNecessary(bitmap, maxWidth, maxHeight));
		}
		}

		/**
		* Handle with care!
		*/

core/res/res/layout/notification_template_right_icon.xml

+2 −2

Original line number	Diff line number	Diff line
		@@ -21,8 +21,8 @@
		android:layout_height="wrap_content"
		android:layout_gravity="top\|end">
		<ImageView android:id="@+id/right_icon"
		android:layout_width="40dp"
		android:layout_height="40dp"
		android:layout_width="@dimen/notification_right_icon_size"
		android:layout_height="@dimen/notification_right_icon_size"
		android:layout_gravity="top\|end"
		android:layout_marginTop="36dp"
		android:layout_marginEnd="@dimen/notification_content_margin_end"

core/res/res/values/dimens.xml

+15 −0

Original line number	Diff line number	Diff line
		@@ -580,6 +580,21 @@
		<dimen name="item_touch_helper_swipe_escape_velocity">120dp</dimen>
		<dimen name="item_touch_helper_swipe_escape_max_velocity">800dp</dimen>

		<!-- The maximum height of any image in a remote view. This is applied to all images in custom remoteviews. This value is determined by the maximum notification height -->
		<dimen name="notification_custom_view_max_image_height">284dp</dimen>
		<!-- The maximum height of any image in a remote view. This is applied to all images in custom remoteviews. This value is determined a maximum notification width -->
		<dimen name="notification_custom_view_max_image_width">450dp</dimen>
		<!-- The maximum height of a big picture in a notification. The images will be reduced to that height in case they are bigger. This value is determined by the maximum notification height -->
		<dimen name="notification_big_picture_max_height">284dp</dimen>
		<!-- The maximum width of a big picture in a notification. The images will be reduced to that width in case they are bigger. This value is determined by the standard panel size -->
		<dimen name="notification_big_picture_max_width">416dp</dimen>
		<!-- The maximum height of a image in a media notification. The images will be reduced to that height in case they are bigger. This value is determined by the expanded media template-->
		<dimen name="notification_media_image_max_height">140dp</dimen>
		<!-- The maximum width of a image in a media notification. The images will be reduced to that width in case they are bigger.-->
		<dimen name="notification_media_image_max_width">280dp</dimen>
		<!-- The size of the right icon -->
		<dimen name="notification_right_icon_size">40dp</dimen>

		<!-- Max width/height of the autofill data set picker as a fraction of the screen width/height -->
		<dimen name="autofill_dataset_picker_max_size">90%</dimen>