Deprecated onCreateThumbnail (578b3bd5) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -3695,7 +3695,7 @@ package android.app {
		method public boolean onCreateOptionsMenu(android.view.Menu);
		method public boolean onCreatePanelMenu(int, android.view.Menu);
		method public android.view.View onCreatePanelView(int);
		method public boolean onCreateThumbnail(android.graphics.Bitmap, android.graphics.Canvas);
		method public deprecated boolean onCreateThumbnail(android.graphics.Bitmap, android.graphics.Canvas);
		method public android.view.View onCreateView(java.lang.String, android.content.Context, android.util.AttributeSet);
		method public android.view.View onCreateView(android.view.View, java.lang.String, android.content.Context, android.util.AttributeSet);
		method protected void onDestroy();

core/java/android/app/Activity.java

+5 −22

Original line number	Diff line number	Diff line
		@@ -1733,7 +1733,7 @@ public class Activity extends ContextThemeWrapper
		*
		* <p>This callback and {@link #onUserInteraction} are intended to help
		* activities manage status bar notifications intelligently; specifically,
		* for helping activities determine the proper time to cancel a notfication.
		* for helping activities determine the proper time to cancel a notification.
		*
		* @see #onUserInteraction()
		*/
		@@ -1741,32 +1741,16 @@ public class Activity extends ContextThemeWrapper
		}

		/**
		* Generate a new thumbnail for this activity. This method is called before
		* pausing the activity, and should draw into <var>outBitmap</var> the
		* imagery for the desired thumbnail in the dimensions of that bitmap. It
		* can use the given <var>canvas</var>, which is configured to draw into the
		* bitmap, for rendering if desired.
		*
		* <p>The default implementation returns fails and does not draw a thumbnail;
		* this will result in the platform creating its own thumbnail if needed.
		*
		* @param outBitmap The bitmap to contain the thumbnail.
		* @param canvas Can be used to render into the bitmap.
		*
		* @return Return true if you have drawn into the bitmap; otherwise after
		* you return it will be filled with a default thumbnail.
		*
		* @see #onCreateDescription
		* @see #onSaveInstanceState
		* @see #onPause
		* @deprecated Method doesn't do anything and will be removed in the future.
		*/
		@Deprecated
		public boolean onCreateThumbnail(Bitmap outBitmap, Canvas canvas) {
		return false;
		}

		/**
		* Generate a new description for this activity. This method is called
		* before pausing the activity and can, if desired, return some textual
		* before stopping the activity and can, if desired, return some textual
		* description of its current state to be displayed to the user.
		*
		* <p>The default implementation returns null, which will cause you to
		@@ -1777,9 +1761,8 @@ public class Activity extends ContextThemeWrapper
		* @return A description of what the user is doing. It should be short and
		* sweet (only a few words).
		*
		* @see #onCreateThumbnail
		* @see #onSaveInstanceState
		* @see #onPause
		* @see #onStop
		*/
		@Nullable
		public CharSequence onCreateDescription() {

core/java/android/app/ActivityThread.java

+0 −56

Original line number	Diff line number	Diff line
		@@ -3904,62 +3904,6 @@ public final class ActivityThread extends ClientTransactionHandler {
		}
		}

		private int mThumbnailWidth = -1;
		private int mThumbnailHeight = -1;
		private Bitmap mAvailThumbnailBitmap = null;
		private Canvas mThumbnailCanvas = null;

		private Bitmap createThumbnailBitmap(ActivityClientRecord r) {
		Bitmap thumbnail = mAvailThumbnailBitmap;
		try {
		if (thumbnail == null) {
		int w = mThumbnailWidth;
		int h;
		if (w < 0) {
		Resources res = r.activity.getResources();
		int wId = com.android.internal.R.dimen.thumbnail_width;
		int hId = com.android.internal.R.dimen.thumbnail_height;
		mThumbnailWidth = w = res.getDimensionPixelSize(wId);
		mThumbnailHeight = h = res.getDimensionPixelSize(hId);
		} else {
		h = mThumbnailHeight;
		}

		// On platforms where we don't want thumbnails, set dims to (0,0)
		if ((w > 0) && (h > 0)) {
		thumbnail = Bitmap.createBitmap(r.activity.getResources().getDisplayMetrics(),
		w, h, THUMBNAIL_FORMAT);
		thumbnail.eraseColor(0);
		}
		}

		if (thumbnail != null) {
		Canvas cv = mThumbnailCanvas;
		if (cv == null) {
		mThumbnailCanvas = cv = new Canvas();
		}

		cv.setBitmap(thumbnail);
		if (!r.activity.onCreateThumbnail(thumbnail, cv)) {
		mAvailThumbnailBitmap = thumbnail;
		thumbnail = null;
		}
		cv.setBitmap(null);
		}

		} catch (Exception e) {
		if (!mInstrumentation.onException(r.activity, e)) {
		throw new RuntimeException(
		"Unable to create thumbnail of "
		+ r.intent.getComponent().toShortString()
		+ ": " + e.toString(), e);
		}
		thumbnail = null;
		}

		return thumbnail;
		}

		@Override
		public void handlePauseActivity(IBinder token, boolean finished, boolean userLeaving,
		int configChanges, boolean dontReport, PendingTransactionActions pendingActions) {