[android-porting] how to get the actual data of GPS?

[4K^tony]

i try to get the data by CTS test ,but fail,who can tell me how to
resolve this provblem?Thanks! My code and results are as follows:

package android.location.cts;

import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargets;

import android.content.Context;
import android.location.GpsSatellite;
import android.location.GpsStatus;
import android.location.LocationManager;
import android.test.AndroidTestCase;

import java.util.Iterator;

@TestTargetClass(GpsStatus.class)
public class GpsStatusTest extends AndroidTestCase {
    private GpsStatus mGpsStatus;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        LocationManager lm =
            (LocationManager)
getContext().getSystemService(Context.LOCATION_SERVICE);
        mGpsStatus = lm.getGpsStatus(null);
    }

    @TestTargets({
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            method = "getSatellites",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            method = "getMaxSatellites",
            args = {}
        )
    })
    public void testGetSatellites() {
        Iterable<GpsSatellite> satellites =
mGpsStatus.getSatellites();
        assertNull("**********"+satellites,satellites);

Results:
android.location.cts.GpsStatusTest
-- testGetSatellites
fail

junit.framework.AssertionFailedError:
**********android.location.gpsstatu...@43e32288 at
android.location.cts.GpsStatusTest.testGetSatellites(GpsStatusTest.java:
58)

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