Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.hardware.SensorEvent;
import android.hardware.SensorManager;
import android.opengl.Matrix;
import android.view.Surface;

public class Main {
    private static float[] mTmp = new float[16];

    public static void sensorRotationVector2Matrix(SensorEvent event, int rotation, float[] output) {
        float[] values = event.values;
        switch (rotation) {
        case Surface.ROTATION_0:
        case Surface.ROTATION_180: /* Notice: not supported for ROTATION_180! */
            SensorManager.getRotationMatrixFromVector(output, values);
            break;
        case Surface.ROTATION_90:
            SensorManager.getRotationMatrixFromVector(mTmp, values);
            SensorManager.remapCoordinateSystem(mTmp, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, output);
            break;
        case Surface.ROTATION_270:
            SensorManager.getRotationMatrixFromVector(mTmp, values);
            SensorManager.remapCoordinateSystem(mTmp, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, output);
            break;
        }
        Matrix.rotateM(output, 0, 90.0F, 1.0F, 0.0F, 0.0F);
    }
}