我是android編程新手,我的應用程序出現問題。 我的Gps只是不搜索位置或其他任何東西。 是的,我的GPS被打開。 清單持幣人: ACCESS_COARSE_LOCATION和ACCESS_FINE_LOCATION。GPS在我的Android上不搜索
有人能幫助我嗎?
public class LocationTest extends Activity implements
LocationListener {
private static final String[] A = { "invalid", "n/a", "fine", "coarse" };
private static final String[] P = { "invalid", "n/a", "low", "medium",
"high" };
private static final String[] S = { "out of service",
"temporarily unavailable", "available" };
private LocationManager mgr;
private TextView output;
private String best;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mgr = (LocationManager) getSystemService(LOCATION_SERVICE);
output = (TextView) findViewById(R.id.output);
log("Location providers:");
dumpProviders();
Criteria criteria = new Criteria();
best = mgr.getBestProvider(criteria, true);
log("\nBest provider is: " + best);
log("\nLocations (starting with last known):");
if (best != null) {
Location location = mgr.getLastKnownLocation(best);
dumpLocation(location);
}
}
@Override
protected void onResume() {
super.onResume();
// Start updates (doc recommends delay >= 60000 ms)
if (best != null) {
mgr.requestLocationUpdates(best, 15000, 1, this);
}
}
@Override
protected void onPause() {
super.onPause();
// Stop updates to save power while app paused
mgr.removeUpdates(this);
}
public void onLocationChanged(Location location) {
dumpLocation(location);
}
public void onProviderDisabled(String provider) {
log("\nProvider disabled: " + provider);
}
public void onProviderEnabled(String provider) {
log("\nProvider enabled: " + provider);
}
public void onStatusChanged(String provider, int status,
Bundle extras) {
log("\nProvider status changed: " + provider + ", status="
+ S[status] + ", extras=" + extras);
}
/** Write a string to the output window */
private void log(String string) {
output.append(string + "\n");
}
/** Write information from all location providers */
private void dumpProviders() {
List<String> providers = mgr.getAllProviders();
for (String provider : providers) {
dumpProvider(provider);
}
}
/** Write information from a single location provider */
private void dumpProvider(String provider) {
LocationProvider info = mgr.getProvider(provider);
StringBuilder builder = new StringBuilder();
builder.append("LocationProvider[")
.append("name=")
.append(info.getName())
.append(",enabled=")
.append(mgr.isProviderEnabled(provider))
.append(",getAccuracy=")
.append(A[info.getAccuracy() + 1])
.append(",getPowerRequirement=")
.append(P[info.getPowerRequirement() + 1])
.append(",hasMonetaryCost=")
.append(info.hasMonetaryCost())
.append(",requiresCell=")
.append(info.requiresCell())
.append(",requiresNetwork=")
.append(info.requiresNetwork())
.append(",requiresSatellite=")
.append(info.requiresSatellite())
.append(",supportsAltitude=")
.append(info.supportsAltitude())
.append(",supportsBearing=")
.append(info.supportsBearing())
.append(",supportsSpeed=")
.append(info.supportsSpeed())
.append("]");
log(builder.toString());
}
/** Describe the given location, which might be null */
private void dumpLocation(Location location) {
if (location == null)
log("\nLocation[unknown]");
else
log("\n" + location.toString());
}
}
網絡呢?他們是否報告你的位置?您必須知道GPS傳感器不會報告您在建築物內的位置。他們只在室外工作。 –
..如果第一次運行,它會花費很多時間。也請發佈Logcat輸出。 – varevarao
作出了一個答案,我現在回家了,今天做得足夠遠,如果你仍然需要它,明天會有幫助(如果你願意,我可以把這個項目下載到明天)。 – Bigflow