轻松构建表情符号制作应用程序

buildscript {
repositories {
google()
jcenter()
maven {url "https://developer.huawei.com/repo/" }
}
}

buildscript {
repositories {
google()
jcenter()
maven {url "https://developer.huawei.com/repo/" }
}
}

dependencies {
implementation 'com.huawei.hms:arenginesdk:{version}
}

boolean isInstallArEngineApk =AREnginesApk.isAREngineApkReady(this);
if (!isInstallArEngineApk) {
//ConnectAppMarketActivity.class is the activity for redirecting users to AppGallery.
startActivity(new Intent(this,com.huawei.arengine.demos.common.ConnectAppMarketActivity.class));
isRemindInstall = true;
}

// Create an ARSession object.
mArSession = new ARSession(this);
// Select a specific Config to initialize the ARSession object based on the application scenario.
ARFaceTrackingConfig config = new ARFaceTrackingConfig(mArSession);

// Set the camera opening mode, which can be external or internal. The external mode can only be used in ARFace. Therefore, you are advised to use the internal mode.
mArConfig.setImageInputMode(ARConfigBase.ImageInputMode.EXTERNAL_INPUT_ALL);

mArSession.configure(mArConfig);
mArSession.resume();

public class FaceGeometryDisplay {
// Initialize the OpenGL ES rendering related to face geometry, including creating the shader program.
void init(Context context) {...
}
}

public void onDrawFrame(ARCamera camera, ARFace face) {
ARFaceGeometry faceGeometry = face.getFaceGeometry();
updateFaceGeometryData(faceGeometry);
updateModelViewProjectionData(camera, face);
drawFaceGeometry();
faceGeometry.release();
}

private void updateFaceGeometryData (ARFaceGeometry faceGeometry) {
FloatBuffer faceVertices = faceGeometry.getVertices();
FloatBuffer textureCoordinates =faceGeometry.getTextureCoordinates();
// Obtain an array consisting of face mesh texture coordinates, which is used together with the vertex data returned by getVertices() during rendering.
}

public class FaceRenderManager implements GLSurfaceView.Renderer {
public FaceRenderManager(Context context, Activity activity) {
mContext = context;
mActivity = activity;
}
// Set ARSession to obtain the latest data.
public void setArSession(ARSession arSession) {
if (arSession == null) {
LogUtil.error(TAG, "Set session error, arSession is null!");
return;
}
mArSession = arSession;
}
// Set ARConfigBase to obtain the configuration mode.
public void setArConfigBase(ARConfigBase arConfig) {
if (arConfig == null) {
LogUtil.error(TAG, "setArFaceTrackingConfig error, arConfig is null.");
return;
}
mArConfigBase = arConfig;
}
// Set the camera opening mode.
public void setOpenCameraOutsideFlag(boolean isOpenCameraOutsideFlag) {
isOpenCameraOutside = isOpenCameraOutsideFlag;
}
...
@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
mFaceGeometryDisplay.init(mContext);
}
}

public class FaceActivity extends BaseActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
mFaceRenderManager = new FaceRenderManager(this, this);
mFaceRenderManager.setDisplayRotationManage(mDisplayRotationManager);
mFaceRenderManager.setTextView(mTextView);
glSurfaceView.setRenderer(mFaceRenderManager);
glSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_CONTINUOUSLY);
}
}