a1317a9de5
- rearchitect: now that MapView is a ViewGroup and MapRenderer is the GLSurfaceView. - lock/unlock proxy tiles properly to not be removed from cache while in use
67 lines
1.9 KiB
Java
67 lines
1.9 KiB
Java
/*
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* Copyright 2012 Hannes Janetzek
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.oscim.view;
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import android.content.Context;
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import android.hardware.Sensor;
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import android.hardware.SensorEvent;
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import android.hardware.SensorEventListener;
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import android.hardware.SensorManager;
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public class Compass {
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private final SensorEventListener mListener = new SensorEventListener() {
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@Override
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public void onSensorChanged(SensorEvent event) {
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if (Math.abs(event.values[0] - mAngle) > 0.25) {
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mAngle = event.values[0];
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if (mMapView != null) {
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mMapView.getMapPosition().setRotation(mAngle);
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mMapView.redrawMap();
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}
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}
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}
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@Override
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public void onAccuracyChanged(Sensor sensor, int accuracy) {
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}
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};
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/* package */float mAngle = 0;
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/* package */MapView mMapView;
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private SensorManager mSensorManager;
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private Sensor mSensor;
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public Compass(MapActivity mapActivity, MapView mapView) {
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mMapView = mapView;
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mSensorManager = (SensorManager) mapActivity
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.getSystemService(Context.SENSOR_SERVICE);
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mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);
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}
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void enable() {
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mSensorManager.registerListener(mListener, mSensor,
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SensorManager.SENSOR_DELAY_UI);
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}
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void disable() {
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mSensorManager.unregisterListener(mListener);
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mMapView.getMapPosition().setRotation(0);
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}
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}
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