diff options
-rw-r--r-- | core/java/android/app/backup/WallpaperBackupHelper.java | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/core/java/android/app/backup/WallpaperBackupHelper.java b/core/java/android/app/backup/WallpaperBackupHelper.java index 6539711..55368d6 100644 --- a/core/java/android/app/backup/WallpaperBackupHelper.java +++ b/core/java/android/app/backup/WallpaperBackupHelper.java @@ -110,11 +110,16 @@ public class WallpaperBackupHelper extends FileBackupHelperBase implements Backu if (DEBUG) Slog.d(TAG, "Restoring wallpaper image w=" + options.outWidth + " h=" + options.outHeight); - // how much does the image differ from our preference? + // How much does the image differ from our preference? The threshold + // here is set to accept any image larger than our target, because + // scaling down is acceptable; but to reject images that are deemed + // "too small" to scale up attractively. The value 1.33 is just barely + // too low to pass Nexus 1 or Droid wallpapers for use on a Xoom, but + // will pass anything relatively larger. double widthRatio = mDesiredMinWidth / options.outWidth; double heightRatio = mDesiredMinHeight / options.outHeight; - if (widthRatio > 0.8 && widthRatio < 1.25 - && heightRatio > 0.8 && heightRatio < 1.25) { + if (widthRatio > 0 && widthRatio < 1.33 + && heightRatio > 0 && heightRatio < 1.33) { // sufficiently close to our resolution; go ahead and use it if (DEBUG) Slog.d(TAG, "wallpaper dimension match; using"); f.renameTo(new File(WALLPAPER_IMAGE)); |