diff --git a/core/api/current.txt b/core/api/current.txt
index b8a4ca41aedc5..7d93abfa741d9 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -8372,7 +8372,6 @@ package android.appwidget {
public class AppWidgetHostView extends android.widget.FrameLayout {
ctor public AppWidgetHostView(android.content.Context);
ctor public AppWidgetHostView(android.content.Context, int, int);
- method public void clearCurrentSize();
method public int getAppWidgetId();
method public android.appwidget.AppWidgetProviderInfo getAppWidgetInfo();
method public static android.graphics.Rect getDefaultPaddingForWidget(android.content.Context, android.content.ComponentName, android.graphics.Rect);
@@ -8382,13 +8381,12 @@ package android.appwidget {
method public void resetColorResources();
method public void setAppWidget(int, android.appwidget.AppWidgetProviderInfo);
method public void setColorResources(@NonNull android.util.SparseIntArray);
- method public void setCurrentSize(@NonNull android.graphics.PointF);
method public void setExecutor(java.util.concurrent.Executor);
method public void setOnLightBackground(boolean);
method public void updateAppWidget(android.widget.RemoteViews);
method public void updateAppWidgetOptions(android.os.Bundle);
method @Deprecated public void updateAppWidgetSize(android.os.Bundle, int, int, int, int);
- method public void updateAppWidgetSize(@NonNull android.os.Bundle, @NonNull java.util.List);
+ method public void updateAppWidgetSize(@NonNull android.os.Bundle, @NonNull java.util.List);
}
public class AppWidgetManager {
@@ -45948,11 +45946,14 @@ package android.util {
method public static android.util.Size parseSize(String) throws java.lang.NumberFormatException;
}
- public final class SizeF {
+ public final class SizeF implements android.os.Parcelable {
ctor public SizeF(float, float);
+ method public int describeContents();
method public float getHeight();
method public float getWidth();
method public static android.util.SizeF parseSizeF(String) throws java.lang.NumberFormatException;
+ method public void writeToParcel(@NonNull android.os.Parcel, int);
+ field @NonNull public static final android.os.Parcelable.Creator CREATOR;
}
public class SparseArray implements java.lang.Cloneable {
@@ -54844,7 +54845,7 @@ package android.widget {
public class RemoteViews implements android.view.LayoutInflater.Filter android.os.Parcelable {
ctor public RemoteViews(String, int);
ctor public RemoteViews(android.widget.RemoteViews, android.widget.RemoteViews);
- ctor public RemoteViews(@NonNull java.util.Map);
+ ctor public RemoteViews(@NonNull java.util.Map);
ctor public RemoteViews(android.widget.RemoteViews);
ctor public RemoteViews(android.os.Parcel);
method public void addView(@IdRes int, android.widget.RemoteViews);
diff --git a/core/java/android/appwidget/AppWidgetHostView.java b/core/java/android/appwidget/AppWidgetHostView.java
index fc54c716d4ece..d79fac58cf12b 100644
--- a/core/java/android/appwidget/AppWidgetHostView.java
+++ b/core/java/android/appwidget/AppWidgetHostView.java
@@ -39,6 +39,7 @@ import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Pair;
+import android.util.SizeF;
import android.util.SparseArray;
import android.util.SparseIntArray;
import android.view.Gravity;
@@ -56,7 +57,6 @@ import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
-import java.util.Map;
import java.util.concurrent.Executor;
/**
@@ -93,7 +93,7 @@ public class AppWidgetHostView extends FrameLayout {
int mLayoutId = -1;
private InteractionHandler mInteractionHandler;
private boolean mOnLightBackground;
- private PointF mCurrentSize = null;
+ private SizeF mCurrentSize = null;
private RemoteViews.ColorResources mColorResources = null;
// Stores the last remote views last inflated.
private RemoteViews mLastInflatedRemoteViews = null;
@@ -253,9 +253,33 @@ public class AppWidgetHostView extends FrameLayout {
}
}
+ private SizeF computeSizeFromLayout(int left, int top, int right, int bottom) {
+ Rect padding = getDefaultPadding();
+ float density = getResources().getDisplayMetrics().density;
+ return new SizeF(
+ (right - left - padding.right - padding.left) / density,
+ (bottom - top - padding.bottom - padding.top) / density
+ );
+ }
+
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
try {
+ SizeF oldSize = mCurrentSize;
+ SizeF newSize = computeSizeFromLayout(left, top, right, bottom);
+ mCurrentSize = newSize;
+ if (mLastInflatedRemoteViews != null) {
+ RemoteViews toApply = mLastInflatedRemoteViews.getRemoteViewsToApplyIfDifferent(
+ oldSize, newSize);
+ if (toApply != null) {
+ applyRemoteViews(toApply, false);
+ measureChildWithMargins(mView,
+ MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.EXACTLY),
+ 0 /* widthUsed */,
+ MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY),
+ 0 /* heightUsed */);
+ }
+ }
super.onLayout(changed, left, top, right, bottom);
} catch (final RuntimeException e) {
Log.e(TAG, "Remote provider threw runtime exception, using error view instead.", e);
@@ -309,7 +333,7 @@ public class AppWidgetHostView extends FrameLayout {
* again. Typically, this will be size of the widget in landscape and portrait.
* On some foldables, this might include the size on the outer and inner screens.
*/
- public void updateAppWidgetSize(@NonNull Bundle newOptions, @NonNull List sizes) {
+ public void updateAppWidgetSize(@NonNull Bundle newOptions, @NonNull List sizes) {
AppWidgetManager widgetManager = AppWidgetManager.getInstance(mContext);
Rect padding = getDefaultPadding();
@@ -318,20 +342,20 @@ public class AppWidgetHostView extends FrameLayout {
float xPaddingDips = (padding.left + padding.right) / density;
float yPaddingDips = (padding.top + padding.bottom) / density;
- ArrayList paddedSizes = new ArrayList<>(sizes.size());
+ ArrayList paddedSizes = new ArrayList<>(sizes.size());
float minWidth = Float.MAX_VALUE;
float maxWidth = 0;
float minHeight = Float.MAX_VALUE;
float maxHeight = 0;
for (int i = 0; i < sizes.size(); i++) {
- PointF size = sizes.get(i);
- PointF paddedPoint = new PointF(Math.max(0.f, size.x - xPaddingDips),
- Math.max(0.f, size.y - yPaddingDips));
- paddedSizes.add(paddedPoint);
- minWidth = Math.min(minWidth, paddedPoint.x);
- maxWidth = Math.max(maxWidth, paddedPoint.x);
- minHeight = Math.min(minHeight, paddedPoint.y);
- maxHeight = Math.max(maxHeight, paddedPoint.y);
+ SizeF size = sizes.get(i);
+ SizeF paddedSize = new SizeF(Math.max(0.f, size.getWidth() - xPaddingDips),
+ Math.max(0.f, size.getHeight() - yPaddingDips));
+ paddedSizes.add(paddedSize);
+ minWidth = Math.min(minWidth, paddedSize.getWidth());
+ maxWidth = Math.max(maxWidth, paddedSize.getWidth());
+ minHeight = Math.min(minHeight, paddedSize.getHeight());
+ maxHeight = Math.max(maxHeight, paddedSize.getHeight());
}
if (paddedSizes.equals(
widgetManager.getAppWidgetOptions(mAppWidgetId).getParcelableArrayList(
@@ -347,35 +371,6 @@ public class AppWidgetHostView extends FrameLayout {
updateAppWidgetOptions(options);
}
- /**
- * Set the current size of the widget. This should be the full area the AppWidgetHostView is
- * given. Padding added by the framework will be accounted for automatically.
- *
- * This size will be used to choose the appropriate layout the next time the {@link RemoteViews}
- * is re-inflated, if it was created with {@link RemoteViews#RemoteViews(Map)} .
- */
- public void setCurrentSize(@NonNull PointF size) {
- Rect padding = getDefaultPadding();
- float density = getResources().getDisplayMetrics().density;
- float xPaddingDips = (padding.left + padding.right) / density;
- float yPaddingDips = (padding.top + padding.bottom) / density;
- PointF newSize = new PointF(size.x - xPaddingDips, size.y - yPaddingDips);
- if (!newSize.equals(mCurrentSize)) {
- mCurrentSize = newSize;
- reapplyLastRemoteViews();
- }
- }
-
- /**
- * Clear the current size, indicating it is not currently known.
- */
- public void clearCurrentSize() {
- if (mCurrentSize != null) {
- mCurrentSize = null;
- reapplyLastRemoteViews();
- }
- }
-
/**
* @hide
*/
@@ -514,23 +509,22 @@ public class AppWidgetHostView extends FrameLayout {
mLayoutId = -1;
mViewMode = VIEW_MODE_DEFAULT;
} else {
+ // Select the remote view we are actually going to apply.
+ RemoteViews rvToApply = remoteViews.getRemoteViewsToApply(mContext, mCurrentSize);
if (mOnLightBackground) {
- remoteViews = remoteViews.getDarkTextViews();
+ rvToApply = rvToApply.getDarkTextViews();
}
if (mAsyncExecutor != null && useAsyncIfPossible) {
- inflateAsync(remoteViews);
+ inflateAsync(rvToApply);
return;
}
- // Prepare a local reference to the remote Context so we're ready to
- // inflate any requested LayoutParams.
- mRemoteContext = getRemoteContext();
- int layoutId = remoteViews.getLayoutId();
+ int layoutId = rvToApply.getLayoutId();
// If our stale view has been prepared to match active, and the new
// layout matches, try recycling it
if (content == null && layoutId == mLayoutId) {
try {
- remoteViews.reapply(mContext, mView, mInteractionHandler, mCurrentSize,
+ rvToApply.reapply(mContext, mView, mInteractionHandler, mCurrentSize,
mColorResources);
content = mView;
recycled = true;
@@ -543,7 +537,7 @@ public class AppWidgetHostView extends FrameLayout {
// Try normal RemoteView inflation
if (content == null) {
try {
- content = remoteViews.apply(mContext, this, mInteractionHandler,
+ content = rvToApply.apply(mContext, this, mInteractionHandler,
mCurrentSize, mColorResources);
if (LOGD) Log.d(TAG, "had to inflate new layout");
} catch (RuntimeException e) {
diff --git a/core/java/android/appwidget/AppWidgetManager.java b/core/java/android/appwidget/AppWidgetManager.java
index 38919f61d9dfc..a88aed7f20a3a 100644
--- a/core/java/android/appwidget/AppWidgetManager.java
+++ b/core/java/android/appwidget/AppWidgetManager.java
@@ -219,7 +219,7 @@ public class AppWidgetManager {
public static final String OPTION_APPWIDGET_MAX_HEIGHT = "appWidgetMaxHeight";
/**
- * A bundle extra ({@code List}) that contains the list of possible sizes, in dips, a
+ * A bundle extra ({@code List}) that contains the list of possible sizes, in dips, a
* widget instance can take.
*/
public static final String OPTION_APPWIDGET_SIZES = "appWidgetSizes";
diff --git a/core/java/android/util/SizeF.java b/core/java/android/util/SizeF.java
index 2edc4a7ff5883..c77a024349419 100644
--- a/core/java/android/util/SizeF.java
+++ b/core/java/android/util/SizeF.java
@@ -16,8 +16,12 @@
package android.util;
-import static com.android.internal.util.Preconditions.checkNotNull;
import static com.android.internal.util.Preconditions.checkArgumentFinite;
+import static com.android.internal.util.Preconditions.checkNotNull;
+
+import android.annotation.NonNull;
+import android.os.Parcel;
+import android.os.Parcelable;
/**
* Immutable class for describing width and height dimensions in some arbitrary
@@ -26,7 +30,7 @@ import static com.android.internal.util.Preconditions.checkArgumentFinite;
* Width and height are finite values stored as a floating point representation.
*
*/
-public final class SizeF {
+public final class SizeF implements Parcelable {
/**
* Create a new immutable SizeF instance.
*
@@ -161,4 +165,43 @@ public final class SizeF {
private final float mWidth;
private final float mHeight;
+
+ /**
+ * Parcelable interface methods
+ */
+ @Override
+ public int describeContents() {
+ return 0;
+ }
+
+ /**
+ * Write this size to the specified parcel. To restore a size from a parcel, use the
+ * {@link #CREATOR}.
+ * @param out The parcel to write the point's coordinates into
+ */
+ @Override
+ public void writeToParcel(@NonNull Parcel out, int flags) {
+ out.writeFloat(mWidth);
+ out.writeFloat(mHeight);
+ }
+
+ public static final @NonNull Creator CREATOR = new Creator() {
+ /**
+ * Return a new size from the data in the specified parcel.
+ */
+ @Override
+ public @NonNull SizeF createFromParcel(@NonNull Parcel in) {
+ float width = in.readFloat();
+ float height = in.readFloat();
+ return new SizeF(width, height);
+ }
+
+ /**
+ * Return an array of sizes of the specified size.
+ */
+ @Override
+ public @NonNull SizeF[] newArray(int size) {
+ return new SizeF[size];
+ }
+ };
}
diff --git a/core/java/android/widget/RemoteViews.java b/core/java/android/widget/RemoteViews.java
index 2cf50bbc67932..dfb2263a97a76 100644
--- a/core/java/android/widget/RemoteViews.java
+++ b/core/java/android/widget/RemoteViews.java
@@ -51,7 +51,6 @@ import android.content.res.loader.ResourcesProvider;
import android.graphics.Bitmap;
import android.graphics.BlendMode;
import android.graphics.Outline;
-import android.graphics.PointF;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
@@ -76,6 +75,7 @@ import android.util.DisplayMetrics;
import android.util.IntArray;
import android.util.Log;
import android.util.Pair;
+import android.util.SizeF;
import android.util.SparseIntArray;
import android.util.TypedValue;
import android.util.TypedValue.ComplexDimensionUnit;
@@ -353,7 +353,7 @@ public class RemoteViews implements Parcelable, Filter {
* Only to be used on children views used in a {@link RemoteViews} with
* {@link RemoteViews#hasSizedRemoteViews()}.
*/
- private PointF mIdealSize = null;
+ private SizeF mIdealSize = null;
@ApplyFlags
private int mApplyFlags = 0;
@@ -3042,11 +3042,11 @@ public class RemoteViews implements Parcelable, Filter {
return mSizedRemoteViews != null;
}
- private @Nullable PointF getIdealSize() {
+ private @Nullable SizeF getIdealSize() {
return mIdealSize;
}
- private void setIdealSize(@Nullable PointF size) {
+ private void setIdealSize(@Nullable SizeF size) {
mIdealSize = size;
}
@@ -3094,13 +3094,18 @@ public class RemoteViews implements Parcelable, Filter {
* Create a new RemoteViews object that will inflate the layout with the closest size
* specification.
*
- * The default remote views in that case is always the smallest one provided.
+ * The default remote views in that case is always the one with the smallest area.
+ *
+ * If the {@link RemoteViews} host provides the size of the view, the layout with the largest
+ * area that fits entirely in the provided size will be used (i.e. the width and height of
+ * the layout must be less than the size of the view, with a 1dp margin to account for
+ * rounding). If no layout fits in the view, the layout with the smallest area will be used.
*
* @param remoteViews Mapping of size to layout.
* @throws IllegalArgumentException if the map is empty, there are more than
* MAX_INIT_VIEW_COUNT layouts or the remote views are not all from the same application.
*/
- public RemoteViews(@NonNull Map remoteViews) {
+ public RemoteViews(@NonNull Map remoteViews) {
if (remoteViews.isEmpty()) {
throw new IllegalArgumentException("The set of RemoteViews cannot be empty");
}
@@ -3135,8 +3140,8 @@ public class RemoteViews implements Parcelable, Filter {
RemoteViews smallestView = null;
while (remoteViews.hasNext()) {
RemoteViews view = remoteViews.next();
- PointF size = view.getIdealSize();
- float newViewArea = size.x * size.y;
+ SizeF size = view.getIdealSize();
+ float newViewArea = size.getWidth() * size.getHeight();
if (smallestView != null && !view.hasSameAppInfo(smallestView.mApplication)) {
throw new IllegalArgumentException(
"All RemoteViews must share the same package and user");
@@ -3239,7 +3244,7 @@ public class RemoteViews implements Parcelable, Filter {
if (mode == MODE_NORMAL) {
mApplication = parcel.readInt() == 0 ? info :
ApplicationInfo.CREATOR.createFromParcel(parcel);
- mIdealSize = parcel.readInt() == 0 ? null : PointF.CREATOR.createFromParcel(parcel);
+ mIdealSize = parcel.readInt() == 0 ? null : SizeF.CREATOR.createFromParcel(parcel);
mLayoutId = parcel.readInt();
mLightBackgroundLayoutId = parcel.readInt();
@@ -4625,9 +4630,9 @@ public class RemoteViews implements Parcelable, Filter {
*
* This is particularly useful when we only care about the ordering of the distances.
*/
- private static float squareDistance(PointF p1, PointF p2) {
- float dx = p1.x - p2.x;
- float dy = p1.y - p2.y;
+ private static float squareDistance(SizeF p1, SizeF p2) {
+ float dx = p1.getWidth() - p2.getWidth();
+ float dy = p1.getHeight() - p2.getHeight();
return dx * dx + dy * dy;
}
@@ -4637,31 +4642,17 @@ public class RemoteViews implements Parcelable, Filter {
* A layout fits on a widget if the widget size is known (i.e. not null) and both dimensions
* are smaller than the ones of the widget, adding some padding to account for rounding errors.
*/
- private static boolean fitsIn(PointF sizeLayout, @Nullable PointF sizeWidget) {
- return sizeWidget != null && (Math.ceil(sizeWidget.x) + 1 > sizeLayout.x)
- && (Math.ceil(sizeWidget.y) + 1 > sizeLayout.y);
+ private static boolean fitsIn(SizeF sizeLayout, @Nullable SizeF sizeWidget) {
+ return sizeWidget != null && (Math.ceil(sizeWidget.getWidth()) + 1 > sizeLayout.getWidth())
+ && (Math.ceil(sizeWidget.getHeight()) + 1 > sizeLayout.getHeight());
}
- /**
- * Returns the most appropriate {@link RemoteViews} given the context and, if not null, the
- * size of the widget.
- *
- * If {@link RemoteViews#hasSizedRemoteViews()} returns true, the most appropriate view is
- * the one that fits in the widget (according to {@link RemoteViews#fitsIn}) and has the
- * diagonal the most similar to the widget. If no layout fits or the size of the widget is
- * not specified, the one with the smallest area will be chosen.
- */
- private RemoteViews getRemoteViewsToApply(@NonNull Context context,
- @Nullable PointF widgetSize) {
- if (!hasSizedRemoteViews()) {
- // If there isn't multiple remote views, fall back on the previous methods.
- return getRemoteViewsToApply(context);
- }
+ private RemoteViews findBestFitLayout(@NonNull SizeF widgetSize) {
// Find the better remote view
RemoteViews bestFit = null;
float bestSqDist = Float.MAX_VALUE;
for (RemoteViews layout : mSizedRemoteViews) {
- PointF layoutSize = layout.getIdealSize();
+ SizeF layoutSize = layout.getIdealSize();
if (fitsIn(layoutSize, widgetSize)) {
if (bestFit == null) {
bestFit = layout;
@@ -4682,6 +4673,46 @@ public class RemoteViews implements Parcelable, Filter {
return bestFit;
}
+ /**
+ * Returns the most appropriate {@link RemoteViews} given the context and, if not null, the
+ * size of the widget.
+ *
+ * If {@link RemoteViews#hasSizedRemoteViews()} returns true, the most appropriate view is
+ * the one that fits in the widget (according to {@link RemoteViews#fitsIn}) and has the
+ * diagonal the most similar to the widget. If no layout fits or the size of the widget is
+ * not specified, the one with the smallest area will be chosen.
+ *
+ * @hide
+ */
+ public RemoteViews getRemoteViewsToApply(@NonNull Context context,
+ @Nullable SizeF widgetSize) {
+ if (!hasSizedRemoteViews()) {
+ // If there isn't multiple remote views, fall back on the previous methods.
+ return getRemoteViewsToApply(context);
+ }
+ return findBestFitLayout(widgetSize);
+ }
+
+ /**
+ * Checks whether the change of size will lead to using a different {@link RemoteViews}.
+ *
+ * @hide
+ */
+ @Nullable
+ public RemoteViews getRemoteViewsToApplyIfDifferent(@Nullable SizeF oldSize,
+ @NonNull SizeF newSize) {
+ if (!hasSizedRemoteViews()) {
+ return null;
+ }
+ RemoteViews oldBestFit = oldSize == null ? findSmallestRemoteView() : findBestFitLayout(
+ oldSize);
+ RemoteViews newBestFit = findBestFitLayout(newSize);
+ if (oldBestFit != newBestFit) {
+ return newBestFit;
+ }
+ return null;
+ }
+
/**
* Inflates the view hierarchy represented by this object and applies
@@ -4705,7 +4736,7 @@ public class RemoteViews implements Parcelable, Filter {
/** @hide */
public View apply(@NonNull Context context, @NonNull ViewGroup parent,
- @Nullable InteractionHandler handler, @Nullable PointF size) {
+ @Nullable InteractionHandler handler, @Nullable SizeF size) {
RemoteViews rvToApply = getRemoteViewsToApply(context, size);
View result = inflateView(context, rvToApply, parent);
@@ -4722,7 +4753,7 @@ public class RemoteViews implements Parcelable, Filter {
/** @hide */
public View applyWithTheme(@NonNull Context context, @NonNull ViewGroup parent,
@Nullable InteractionHandler handler, @StyleRes int applyThemeResId,
- @Nullable PointF size) {
+ @Nullable SizeF size) {
RemoteViews rvToApply = getRemoteViewsToApply(context, size);
View result = inflateView(context, rvToApply, parent, applyThemeResId, null);
@@ -4732,7 +4763,7 @@ public class RemoteViews implements Parcelable, Filter {
/** @hide */
public View apply(Context context, ViewGroup parent, InteractionHandler handler,
- @NonNull PointF size, @Nullable ColorResources colorResources) {
+ @NonNull SizeF size, @Nullable ColorResources colorResources) {
RemoteViews rvToApply = getRemoteViewsToApply(context, size);
View result = inflateView(context, rvToApply, parent, 0, colorResources);
@@ -4828,21 +4859,21 @@ public class RemoteViews implements Parcelable, Filter {
/** @hide */
public CancellationSignal applyAsync(Context context, ViewGroup parent,
Executor executor, OnViewAppliedListener listener, InteractionHandler handler,
- PointF size) {
+ SizeF size) {
return getAsyncApplyTask(context, parent, listener, handler, size, null /* themeColors */)
.startTaskOnExecutor(executor);
}
/** @hide */
public CancellationSignal applyAsync(Context context, ViewGroup parent, Executor executor,
- OnViewAppliedListener listener, InteractionHandler handler, PointF size,
+ OnViewAppliedListener listener, InteractionHandler handler, SizeF size,
ColorResources colorResources) {
return getAsyncApplyTask(context, parent, listener, handler, size, colorResources)
.startTaskOnExecutor(executor);
}
private AsyncApplyTask getAsyncApplyTask(Context context, ViewGroup parent,
- OnViewAppliedListener listener, InteractionHandler handler, PointF size,
+ OnViewAppliedListener listener, InteractionHandler handler, SizeF size,
ColorResources colorResources) {
return new AsyncApplyTask(getRemoteViewsToApply(context, size), parent, context, listener,
handler, colorResources, null /* result */);
@@ -4968,7 +4999,7 @@ public class RemoteViews implements Parcelable, Filter {
}
/** @hide */
- public void reapply(Context context, View v, InteractionHandler handler, PointF size,
+ public void reapply(Context context, View v, InteractionHandler handler, SizeF size,
ColorResources colorResources) {
RemoteViews rvToApply = getRemoteViewsToApply(context, size);
@@ -5012,7 +5043,7 @@ public class RemoteViews implements Parcelable, Filter {
/** @hide */
public CancellationSignal reapplyAsync(Context context, View v, Executor executor,
- OnViewAppliedListener listener, InteractionHandler handler, PointF size,
+ OnViewAppliedListener listener, InteractionHandler handler, SizeF size,
ColorResources colorResources) {
RemoteViews rvToApply = getRemoteViewsToApply(context, size);