Loading graphics/java/android/graphics/BitmapFactory.java +14 −2 Original line number Original line Diff line number Diff line Loading @@ -259,14 +259,26 @@ public class BitmapFactory { * (e.g. the bitmap is drawn, getPixels() is called), they will be * (e.g. the bitmap is drawn, getPixels() is called), they will be * automatically re-decoded. * automatically re-decoded. * * * For the re-decode to happen, the bitmap must have access to the * <p>For the re-decode to happen, the bitmap must have access to the * encoded data, either by sharing a reference to the input * encoded data, either by sharing a reference to the input * or by making a copy of it. This distinction is controlled by * or by making a copy of it. This distinction is controlled by * inInputShareable. If this is true, then the bitmap may keep a shallow * inInputShareable. If this is true, then the bitmap may keep a shallow * reference to the input. If this is false, then the bitmap will * reference to the input. If this is false, then the bitmap will * explicitly make a copy of the input data, and keep that. Even if * explicitly make a copy of the input data, and keep that. Even if * sharing is allowed, the implementation may still decide to make a * sharing is allowed, the implementation may still decide to make a * deep copy of the input data. * deep copy of the input data.</p> * * <p>While inPurgeable can help avoid big Dalvik heap allocations (from * API level 11 onward), it sacrifices performance predictability since any * image that the view system tries to draw may incur a decode delay which * can lead to dropped frames. Therefore, most apps should avoid using * inPurgeable to allow for a fast and fluid UI. To minimize Dalvik heap * allocations use the {@link #inBitmap} flag instead.</p> * * <p class="note"><strong>Note:</strong> This flag is ignored when used * with {@link #decodeResource(Resources, int, * android.graphics.BitmapFactory.Options)} or {@link #decodeFile(String, * android.graphics.BitmapFactory.Options)}.</p> */ */ public boolean inPurgeable; public boolean inPurgeable; Loading Loading
graphics/java/android/graphics/BitmapFactory.java +14 −2 Original line number Original line Diff line number Diff line Loading @@ -259,14 +259,26 @@ public class BitmapFactory { * (e.g. the bitmap is drawn, getPixels() is called), they will be * (e.g. the bitmap is drawn, getPixels() is called), they will be * automatically re-decoded. * automatically re-decoded. * * * For the re-decode to happen, the bitmap must have access to the * <p>For the re-decode to happen, the bitmap must have access to the * encoded data, either by sharing a reference to the input * encoded data, either by sharing a reference to the input * or by making a copy of it. This distinction is controlled by * or by making a copy of it. This distinction is controlled by * inInputShareable. If this is true, then the bitmap may keep a shallow * inInputShareable. If this is true, then the bitmap may keep a shallow * reference to the input. If this is false, then the bitmap will * reference to the input. If this is false, then the bitmap will * explicitly make a copy of the input data, and keep that. Even if * explicitly make a copy of the input data, and keep that. Even if * sharing is allowed, the implementation may still decide to make a * sharing is allowed, the implementation may still decide to make a * deep copy of the input data. * deep copy of the input data.</p> * * <p>While inPurgeable can help avoid big Dalvik heap allocations (from * API level 11 onward), it sacrifices performance predictability since any * image that the view system tries to draw may incur a decode delay which * can lead to dropped frames. Therefore, most apps should avoid using * inPurgeable to allow for a fast and fluid UI. To minimize Dalvik heap * allocations use the {@link #inBitmap} flag instead.</p> * * <p class="note"><strong>Note:</strong> This flag is ignored when used * with {@link #decodeResource(Resources, int, * android.graphics.BitmapFactory.Options)} or {@link #decodeFile(String, * android.graphics.BitmapFactory.Options)}.</p> */ */ public boolean inPurgeable; public boolean inPurgeable; Loading