Example usage for android.location GnssStatus getSatelliteCount

Introduction

In this page you can find the example usage for android.location GnssStatus getSatelliteCount.

Prototype

public int getSatelliteCount() 

Source Link

Document

Gets the total number of satellites in satellite list.

Usage

From source file:com.android.gpstest.GpsSatelliteFragment.java

@RequiresApi(api = Build.VERSION_CODES.N)
private void updateGnssStatus(GnssStatus status) {
    setStarted(true);//  w w  w.ja va  2  s . co m

    mSnrCn0Title = mRes.getString(R.string.gps_cn0_column_label);

    if (mPrns == null) {
        /**
         * We need to allocate arrays big enough so we don't overflow them.  Per
         * https://developer.android.com/reference/android/location/GnssStatus.html#getSvid(int)
         * 255 should be enough to contain all known satellites world-wide.
         */
        final int MAX_LENGTH = 255;
        mPrns = new int[MAX_LENGTH];
        mSnrCn0s = new float[MAX_LENGTH];
        mSvElevations = new float[MAX_LENGTH];
        mSvAzimuths = new float[MAX_LENGTH];
        mConstellationType = new int[MAX_LENGTH];
        mHasEphemeris = new boolean[MAX_LENGTH];
        mHasAlmanac = new boolean[MAX_LENGTH];
        mUsedInFix = new boolean[MAX_LENGTH];
    }

    final int length = status.getSatelliteCount();
    mSvCount = 0;
    mUsedInFixCount = 0;
    while (mSvCount < length) {
        int prn = status.getSvid(mSvCount);
        mPrns[mSvCount] = prn;
        mConstellationType[mSvCount] = status.getConstellationType(mSvCount);
        mSnrCn0s[mSvCount] = status.getCn0DbHz(mSvCount);
        mSvElevations[mSvCount] = status.getElevationDegrees(mSvCount);
        mSvAzimuths[mSvCount] = status.getAzimuthDegrees(mSvCount);
        mHasEphemeris[mSvCount] = status.hasEphemerisData(mSvCount);
        mHasAlmanac[mSvCount] = status.hasAlmanacData(mSvCount);
        mUsedInFix[mSvCount] = status.usedInFix(mSvCount);
        if (status.usedInFix(mSvCount)) {
            mUsedInFixCount++;
        }

        mSvCount++;
    }

    mAdapter.notifyDataSetChanged();
}

---