私のアプリでは、GPS の使用を開始したときに停止できません。戻るボタンまたはホーム ボタンを押しても問題ありません。
onPause メソッド (戻る/ホーム ボタンを押したときに入る) removeUpdates 呼び出しは何もしないようです。それとも他の何かが問題ですか？過去 3 日間、この問題に悩まされているので、助けてください。アプリのロジック: ボタンを押すと、どのプロバイダーがアクティブかを確認します whatIsEnabled() メソッド
私のコードは次のとおりです。
public class Map extends MapActivity {
private MapView mapView;
private MapController mc;
private GeoPoint p;
private Context context;
private Drawable drawable;
private Bundle instanceState;
private EditText et;
private ImageButton connect, layers, location;
private int i = 1;
//private Settings settings;
private LocationManager locationManager;
private LocationListener locationListener;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
instanceState = savedInstanceState;
setContentView(R.layout.main);
context = getApplicationContext();
//settings = new Settings();
//to zoom
mapView = (MapView) findViewById(R.id.mapView);
mapView.setBuiltInZoomControls(true);
et = (EditText) findViewById(R.id.address);
connect = (ImageButton) findViewById(R.id.connect_icon);
connect.setOnClickListener(connect_button);
layers = (ImageButton) findViewById(R.id.layers);
layers.setOnClickListener(layer_button);
//locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
//locationListener = new Coordonates(drawable, mapView, Map.this);
location = (ImageButton) findViewById(R.id.location_icon);
location.setOnClickListener(location_button);
//markers
drawable = this.getResources().getDrawable(R.drawable.blue_pin);
}
private OnClickListener connect_button = new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent myIntent = new Intent(Map.this, Connection.class);
Map.this.startActivity(myIntent);
}
};
private OnClickListener layer_button = new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(i%2 != 0) {
mapView.setStreetView(true);
mapView.setSatellite(false);
}
else {
mapView.setSatellite(true);
mapView.setStreetView(false);
}
i++;
}
};
private OnClickListener location_button = new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//registerLocListener();
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationListener = new Coordonates(drawable, mapView, Map.this);
switch(Settings.whatIsEnabled()) {
case 1: {
Toast.makeText(context, "Location services disabled",Toast.LENGTH_LONG).show();
break;
}
case 2: {
Toast.makeText(context, "Location obtained via GPS satellites",Toast.LENGTH_LONG).show();
Toast.makeText(context, "Waiting for location",Toast.LENGTH_LONG).show();
System.out.println("1");
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0,locationListener);//50
if(Coordonates.getLatitude() == 0)
Toast.makeText(context, "No GPS signal",Toast.LENGTH_LONG).show();
System.out.println("2");
break;
}
case 3: {
Toast.makeText(context, "Location obtained via Wi-Fi/mobile network",Toast.LENGTH_LONG).show();
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);//1000
if(Coordonates.getLatitude() == 0)
Toast.makeText(context, "No Wi-Fi/mobile network signal",Toast.LENGTH_LONG).show();
break;
}/*
case 4: {
Toast.makeText(context, "Location obtained via the best provider available",Toast.LENGTH_LONG).show();
locationManager.
break;
}*/
}
}
};
/*
protected void onResume() {
super.onResume();
}*/
@Override
protected void onPause() {
// TODO Auto-generated method stub
System.out.println("a intrat in onPause()");
if(locationManager != null) {
locationManager.removeUpdates(locationListener);
}
locationListener = null;
locationManager = null;
super.onPause();
}