Merge "MotionEvent: add API for identifying resampled PointerCoords" into main (386085b0) · Commits · e / os / android_frameworks_base

core/api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -51147,6 +51147,7 @@ package android.view {
		method public void clear();
		method public void copyFrom(android.view.MotionEvent.PointerCoords);
		method public float getAxisValue(int);
		method @FlaggedApi("com.android.hardware.input.pointer_coords_is_resampled_api") public boolean isResampled();
		method public void setAxisValue(int, float);
		field public float orientation;
		field public float pressure;

core/java/android/hardware/input/input_framework.aconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -17,3 +17,10 @@ flag {
		bug: "294546335"
		}


		flag {
		namespace: "input_native"
		name: "pointer_coords_is_resampled_api"
		description: "Makes MotionEvent.PointerCoords#isResampled() a public API"
		bug: "298197511"
		}
		No newline at end of file

core/java/android/view/MotionEvent.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import static android.view.Display.DEFAULT_DISPLAY;

		import static java.lang.annotation.RetentionPolicy.SOURCE;

		import android.annotation.FlaggedApi;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		@@ -35,6 +36,8 @@ import android.os.SystemClock;
		import android.util.Log;
		import android.util.SparseArray;

		import com.android.hardware.input.Flags;

		import dalvik.annotation.optimization.CriticalNative;
		import dalvik.annotation.optimization.FastNative;

		@@ -4377,6 +4380,28 @@ public final class MotionEvent extends InputEvent implements Parcelable {
		*/
		public boolean isResampled;

		/**
		* Returns true if these pointer coordinates were generated by resampling, rather than from
		* an actual input event from the device at this time.
		* <p>
		* Resampling extrapolates or interpolates touch coordinates reported by the input device to
		* better align them with the refresh rate of the display, resulting in smoother movements,
		* in particular for scrolling. Resampled coordinates are always added to batches, so a
		* motion event will always contain at least one sample that is an original event from the
		* input device (i.e. for which this method will return {@code false}).
		* </p><p>
		* Resampling does not occur if unbuffered dispatch has been requested, or if it has been
		* disabled by the manufacturer (for example, on hardware that already synchronizes its
		* touch events and display frames).
		* </p>
		* @see android.view.View#requestUnbufferedDispatch(int)
		* @see android.view.View#requestUnbufferedDispatch(MotionEvent)
		*/
		@FlaggedApi(Flags.FLAG_POINTER_COORDS_IS_RESAMPLED_API)
		public boolean isResampled() {
		return isResampled;
		}

		/**
		* Clears the contents of this object.
		* Resets all axes to zero.