i am not able to build it. I tried importing the gradle project to IDEA and also tried with gradle command line tool. I am getting these errors. I don't have any experience with gradle, please help.
performing local build
:overlap2d-common-api:compileJava UP-TO-DATE
:overlap2d-common-api:processResources NO-SOURCE
:overlap2d-common-api:classes UP-TO-DATE
:overlap2d-common-api:jar UP-TO-DATE
:overlap2d-runtime-libgdx:compileJava UP-TO-DATE
:overlap2d-runtime-libgdx:processResources NO-SOURCE
:overlap2d-runtime-libgdx:classes UP-TO-DATE
:overlap2d-runtime-libgdx:jar UP-TO-DATE
:spine-runtime-libgdx:compileJava/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Animation.java:928: error: cannot find symbol
float[] vertices = verticesArray.setSize(vertexCount);
^
symbol: method setSize(int)
location: variable verticesArray of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Skeleton.java:592: error: cannot find symbol
vertices = temp.setSize(8);
^
symbol: method setSize(int)
location: variable temp of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Skeleton.java:597: error: cannot find symbol
vertices = temp.setSize(verticesLength);
^
symbol: method setSize(int)
location: variable temp of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java:195: error: cannot find symbol
if (firstFrame) current.timelinesRotation.setSize(timelineCount << 1);
^
symbol: method setSize(int)
location: variable timelinesRotation of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java:238: error: cannot find symbol
if (firstFrame) from.timelinesRotation.setSize(timelineCount << 1);
^
symbol: method setSize(int)
location: variable timelinesRotation of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java:724: error: cannot find symbol
int[] timelineData = this.timelineData.setSize(timelinesCount);
^
symbol: method setSize(int)
location: variable timelineData of type IntArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/AnimationState.java:726: error: cannot find symbol
Object[] timelineDipMix = this.timelineDipMix.setSize(timelinesCount);
^
symbol: method setSize(int)
location: variable timelineDipMix of type Array<TrackEntry>
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:109: error: cannot find symbol
float[] spaces = this.spaces.setSize(spacesCount), lengths = null;
^
symbol: method setSize(int)
location: variable spaces of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:112: error: cannot find symbol
if (scale) lengths = this.lengths.setSize(boneCount);
^
symbol: method setSize(int)
location: variable lengths of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:188: error: cannot find symbol
float[] spaces = this.spaces.items, out = this.positions.setSize(spacesCount * 3 + 2), world;
^
symbol: method setSize(int)
location: variable positions of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:201: error: cannot find symbol
world = this.world.setSize(8);
^
symbol: method setSize(int)
location: variable world of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:256: error: cannot find symbol
world = this.world.setSize(verticesLength);
^
symbol: method setSize(int)
location: variable world of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:264: error: cannot find symbol
world = this.world.setSize(verticesLength);
^
symbol: method setSize(int)
location: variable world of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java:269: error: cannot find symbol
float[] curves = this.curves.setSize(curveCount);
^
symbol: method setSize(int)
location: variable curves of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRendererDebug.java:142: error: cannot find symbol
float[] vertices = this.vertices.setSize(mesh.getWorldVerticesLength());
^
symbol: method setSize(int)
location: variable vertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRendererDebug.java:190: error: cannot find symbol
float[] vertices = this.vertices.setSize(nn);
^
symbol: method setSize(int)
location: variable vertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRendererDebug.java:206: error: cannot find symbol
float[] vertices = this.vertices.setSize(nn);
^
symbol: method setSize(int)
location: variable vertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonBounds.java:76: error: cannot find symbol
polygon.setSize(boundingBox.getWorldVerticesLength()), 0, 2);
^
symbol: method setSize(int)
location: variable polygon of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java:176: error: cannot find symbol
vertices = this.vertices.setSize(verticesLength);
^
symbol: method setSize(int)
location: variable vertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java:308: error: cannot find symbol
vertices = this.vertices.setSize(verticesLength);
^
symbol: method setSize(int)
location: variable vertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/SkeletonClipping.java:56: error: cannot find symbol
float[] vertices = clippingPolygon.setSize(n);
^
symbol: method setSize(int)
location: variable clippingPolygon of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/SkeletonClipping.java:122: error: cannot find symbol
float[] clippedVerticesItems = clippedVertices.setSize(s + clipOutputCount * vertexSize);
^
symbol: method setSize(int)
location: variable clippedVertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/SkeletonClipping.java:143: error: cannot find symbol
short[] clippedTrianglesItems = clippedTriangles.setSize(s + 3 * (clipOutputCount - 2));
^
symbol: method setSize(int)
location: variable clippedTriangles of type ShortArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/SkeletonClipping.java:154: error: cannot find symbol
float[] clippedVerticesItems = clippedVertices.setSize(s + 3 * vertexSize);
^
symbol: method setSize(int)
location: variable clippedVertices of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/SkeletonClipping.java:194: error: cannot find symbol
short[] clippedTrianglesItems = clippedTriangles.setSize(s + 3);
^
symbol: method setSize(int)
location: variable clippedTriangles of type ShortArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/SkeletonClipping.java:284: error: cannot find symbol
originalOutput.setSize(originalOutput.size - 2);
^
symbol: method setSize(int)
location: variable originalOutput of type FloatArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/Triangulator.java:65: error: cannot find symbol
short[] indices = indicesArray.setSize(vertexCount);
^
symbol: method setSize(int)
location: variable indicesArray of type ShortArray
/home/sanju/OPEN_SOURCE/overlap2d/spine-runtimes/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/utils/Triangulator.java:70: error: cannot find symbol
boolean[] isConcave = isConcaveArray.setSize(vertexCount);
^
symbol: method setSize(int)
location: variable isConcaveArray of type BooleanArray
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
28 errors
FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':spine-runtime-libgdx:compileJava'.
> Compilation failed; see the compiler error output for details.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED in 0s
5 actionable tasks: 1 executed, 4 up-to-date
i am not able to build it. I tried importing the gradle project to IDEA and also tried with gradle command line tool. I am getting these errors. I don't have any experience with gradle, please help.