fix javadocs for get/set Matrix44

Test: none
Bug:326419633

Change-Id: Ice4df6676dafc1e0e1bbc27dd587506c374432cc

2 files changed, 10 insertions, 8 deletions

diff --git a/core/api/current.txt b/core/api/current.txt
index e8eace1c51c8..e328d8457ec9 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -16363,7 +16363,7 @@ package android.graphics {
     ctor @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public Matrix44();
     ctor @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public Matrix44(@NonNull android.graphics.Matrix);
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") @NonNull public android.graphics.Matrix44 concat(@NonNull android.graphics.Matrix44);
-    method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public float get(int, int);
+    method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public float get(@IntRange(from=0, to=3) int, @IntRange(from=0, to=3) int);
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public void getValues(@NonNull float[]);
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public boolean invert();
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public boolean isIdentity();
@@ -16372,7 +16372,7 @@ package android.graphics {
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public void reset();
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") @NonNull public android.graphics.Matrix44 rotate(float, float, float, float);
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") @NonNull public android.graphics.Matrix44 scale(float, float, float);
-    method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public void set(int, int, float);
+    method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public void set(@IntRange(from=0, to=3) int, @IntRange(from=0, to=3) int, float);
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") public void setValues(@NonNull float[]);
     method @FlaggedApi("com.android.graphics.hwui.flags.matrix_44") @NonNull public android.graphics.Matrix44 translate(float, float, float);
   }
diff --git a/graphics/java/android/graphics/Matrix44.java b/graphics/java/android/graphics/Matrix44.java
index 7cc0eb7a6728..a99e20101c3b 100644
--- a/graphics/java/android/graphics/Matrix44.java
+++ b/graphics/java/android/graphics/Matrix44.java
@@ -17,6 +17,7 @@
 package android.graphics;
 
 import android.annotation.FlaggedApi;
+import android.annotation.IntRange;
 import android.annotation.NonNull;
 
 import com.android.graphics.hwui.flags.Flags;
@@ -98,11 +99,11 @@ public class Matrix44 {
     /**
      * Gets the value at the matrix's row and column.
      *
-     * @param row An integer from 0 to 4 indicating the row of the value to get
-     * @param col An integer from 0 to 4 indicating the column of the value to get
+     * @param row An integer from 0 to 3 indicating the row of the value to get
+     * @param col An integer from 0 to 3 indicating the column of the value to get
      */
     @FlaggedApi(Flags.FLAG_MATRIX_44)
-    public float get(int row, int col) {
+    public float get(@IntRange(from = 0, to = 3) int row, @IntRange(from = 0, to = 3) int col) {
         if (row >= 0 && row < 4 && col >= 0 && col < 4) {
             return mBackingArray[row * 4 + col];
         }
@@ -112,12 +113,13 @@ public class Matrix44 {
     /**
      * Sets the value at the matrix's row and column to the provided value.
      *
-     * @param row An integer from 0 to 4 indicating the row of the value to change
-     * @param col An integer from 0 to 4 indicating the column of the value to change
+     * @param row An integer from 0 to 3 indicating the row of the value to change
+     * @param col An integer from 0 to 3 indicating the column of the value to change
      * @param val The value the element at the specified index will be set to
      */
     @FlaggedApi(Flags.FLAG_MATRIX_44)
-    public void set(int row, int col, float val) {
+    public void set(@IntRange(from = 0, to = 3) int row, @IntRange(from = 0, to = 3) int col,
+            float val) {
         if (row >= 0 && row < 4 && col >= 0 && col < 4) {
             mBackingArray[row * 4 + col] = val;
         } else {