Example usage for android.location GnssStatus hasEphemerisData

Introduction

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

Prototype

public boolean hasEphemerisData(int satIndex) 

Source Link

Document

Reports whether the satellite at the specified index has ephemeris data.

Usage

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

@RequiresApi(api = Build.VERSION_CODES.N)
private void updateGnssStatus(GnssStatus status) {
    setStarted(true);/*from   www  .j a v a 2s.  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();
}

---