我正在编写一个应用程序，它使用google maps API v2不断标记您的位置和方向。该应用程序到目前为止工作的标记随着您的位置和方向而变化，但在大约20分钟后，应用程序崩溃时出现“JNI ERROR（app bug）：全局引用表溢出（max = 51200）消息”。在代码中，我基本上为GPS位置注册了一个位置监听器，并为加速度计和磁场监听器进行了定位。在位置更新时，我将当前位置存储在私有字段中。在传感器，更新，我将旋转存储在私人领域并更新我的谷歌地图标记的位置。我已粘贴下面的相关代码
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
setUpMapIfNeeded();
// Set up GPS and sensors
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build(););
mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
mMagnetometer = mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
}
private void setUpMapIfNeeded() {
// Do a null check to confirm that we have not already instantiated the map.
if (mMap == null) {
// Try to obtain the map from the SupportMapFragment.
mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map))
.getMap();
}
}
protected void onStart() {
super.onStart();
mGoogleApiClient.connect();
}
protected void onResume() {
super.onResume();
setUpMapIfNeeded();
if (mGoogleApiClient.isConnected())
startLocationUpdates();
mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_UI);
mSensorManager.registerListener(this, mMagnetometer, SensorManager.SENSOR_DELAY_UI);
}
protected void onPause() {
super.onPause();
LocationServices.FusedLocationApi.removeLocationUpdates(
mGoogleApiClient, this);
mSensorManager.unregisterListener(this);
}
protected void onStop() {
mGoogleApiClient.disconnect();
super.onStop();
}
@Override
public void onConnected(Bundle bundle) {
// Get the last known location and update map view to that location
mCurrentLocation = LocationServices.FusedLocationApi.getLastLocation(
mGoogleApiClient);
if (mMarker == null) {
mMarker = createMarker(mCurrentLocation, mMarker, mRotation, R.drawable.arrow);
} else {
setMarkerToLocation(mCurrentLocation, mMarker, mRotation);
}
// Set up location updates
mLocationRequest = new LocationRequest();
// Set interval to be 1 second
mLocationRequest.setInterval(1000)
// Set fastest interval to be 1 second
.setFastestInterval(1000)
.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
startLocationUpdates();
}
private Marker createMarker(Location location, Marker marker,
float rotation, int drawableId) {
if (mMap != null) {
if (location != null) {
marker = mMap.addMarker(new MarkerOptions()
.position(new LatLng(location.getLatitude(),
location.getLongitude()))
.anchor(0.5f, 0.5f) //Set anchor to middle of marker
.rotation(rotation)
.icon(BitmapDescriptorFactory.fromResource(drawableId)));
}
}
return marker;
}
private void setMarkerToLocation(Location location, Marker marker,
float rotation) {
if (mMap != null && location != null) {
marker.setPosition(new LatLng(location.getLatitude(),
location.getLongitude()));
marker.setRotation(rotation);
}
}
protected void startLocationUpdates() {
LocationServices.FusedLocationApi.requestLocationUpdates(
mGoogleApiClient, mLocationRequest, this);
}
@Override
public void onLocationChanged(Location location) {
mCurrentLocation = location;
}
@Override
public void onSensorChanged(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
mGravity = lowpass(event.values, mGravity);
}
if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) {
mGeomagnetic = lowpass(event.values, mGeomagnetic);
}
if (mGravity != null && mGeomagnetic != null) {
float RotMatrix[] = new float[9];
float IncMatrix[] = new float[9];
if (SensorManager.getRotationMatrix(RotMatrix, IncMatrix, mGravity, mGeomagnetic)) {
float orientation[] = new float[3];
SensorManager.getOrientation(RotMatrix, orientation);
mRotation = (float) Math.toDegrees(orientation[0]);
if (mMarker == null) {
mMarker = createMarker(mCurrentLocation, mMarker, mRotation, R.drawable.arrow);
} else {
setMarkerToLocation(mCurrentLocation, mMarker, mRotation);
}
}
}
}
以下是我的logcat输出的片段：
A/art﹕ art/runtime/indirect_reference_table.cc:98] JNI ERROR (app bug): global reference table overflow (max=51200)
A/art﹕ art/runtime/indirect_reference_table.cc:98] global reference table dump:
A/art﹕ art/runtime/indirect_reference_table.cc:98] Last 10 entries (of 51200):
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51199: 0x17b68580 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51198: 0x17b68520 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51197: 0x17b684c0 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51196: 0x17b68460 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51195: 0x17b68380 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51194: 0x17b68320 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51193: 0x17b682c0 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51192: 0x17b68260 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51191: 0x17b68200 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 51190: 0x17b681a0 com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] Summary:
A/art﹕ art/runtime/indirect_reference_table.cc:98] 971 of com.google.android.gms.clearcut.a.h (971 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.view.ViewRootImpl$AccessibilityInteractionConnection
A/art﹕ art/runtime/indirect_reference_table.cc:98] 2322 of com.google.android.gms.clearcut.a.h (2322 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.view.inputmethod.InputMethodManager$ControlledInputConnectionWrapper
A/art﹕ art/runtime/indirect_reference_table.cc:98] 2057 of com.google.android.gms.clearcut.a.h (2057 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of dalvik.system.VMRuntime
A/art﹕ art/runtime/indirect_reference_table.cc:98] 141 of com.google.android.gms.clearcut.a.h (141 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.hardware.SystemSensorManager$SensorEventQueue
A/art﹕ art/runtime/indirect_reference_table.cc:98] 7212 of com.google.android.gms.clearcut.a.h (7212 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 2 of android.app.LoadedApk$ServiceDispatcher$InnerConnection (2 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 3145 of com.google.android.gms.clearcut.a.h (3145 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.opengl.EGLDisplay
A/art﹕ art/runtime/indirect_reference_table.cc:98] 4 of com.google.android.gms.clearcut.a.h (4 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.opengl.EGLDisplay
A/art﹕ art/runtime/indirect_reference_table.cc:98] 279 of com.google.android.gms.clearcut.a.h (279 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of float[] (16 elements)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1812 of com.google.android.gms.clearcut.a.h (1812 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.view.ViewRootImpl$W
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1610 of com.google.android.gms.clearcut.a.h (1610 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of java.lang.ref.WeakReference
A/art﹕ art/runtime/indirect_reference_table.cc:98] 4 of com.google.android.gms.clearcut.a.h (4 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 5 of java.lang.ref.WeakReference (5 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 5 of java.lang.ref.WeakReference (5 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 10 of java.lang.ref.WeakReference (10 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 3 of java.lang.ref.WeakReference (3 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 467 of com.google.android.gms.clearcut.a.h (467 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.view.WindowManagerGlobal$1
A/art﹕ art/runtime/indirect_reference_table.cc:98] 3925 of com.google.android.gms.clearcut.a.h (3925 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.opengl.EGLSurface
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of com.google.android.gms.clearcut.a.h
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of android.opengl.EGLSurface
A/art﹕ art/runtime/indirect_reference_table.cc:98] 624 of com.google.android.gms.clearcut.a.h (624 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of java.lang.Class
A/art﹕ art/runtime/indirect_reference_table.cc:98] 274 of com.google.android.gms.clearcut.a.h (274 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 15 of java.lang.Class (13 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 18 of com.google.android.gms.clearcut.a.h (18 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 5 of java.lang.Class (1 unique instances)
A/art﹕ art/runtime/indirect_reference_table.cc:98] 1 of com.google.android.gms.clearcut.a.h