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112 changes: 112 additions & 0 deletions
112
app/src/main/java/cn/bluemobi/dylan/step/pedometer/StepDetector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package cn.bluemobi.dylan.step.pedometer; | ||
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| /* | ||
| * Pedometer - Android App | ||
| * Copyright (C) 2009 Levente Bagi | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
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| import android.hardware.Sensor; | ||
| import android.hardware.SensorEvent; | ||
| import android.hardware.SensorEventListener; | ||
| import android.hardware.SensorManager; | ||
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| /** | ||
| * Detects steps and notifies all listeners (that implement StepListener). | ||
| * @author Levente Bagi | ||
| * @todo REFACTOR: SensorListener is deprecated | ||
| */ | ||
| public class StepDetector implements SensorEventListener { | ||
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| private float mLimit = 10; | ||
| private float mLastValues[] = new float[3*2]; | ||
| private float mScale[] = new float[2]; | ||
| private float mYOffset; | ||
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| private float mLastDirections[] = new float[3*2]; | ||
| private float mLastExtremes[][] = { new float[3*2], new float[3*2] }; | ||
| private float mLastDiff[] = new float[3*2]; | ||
| private int mLastMatch = -1; | ||
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| private StepListener mListener; | ||
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| public StepDetector() { | ||
| int h = 480; | ||
| mYOffset = h * 0.5f; | ||
| mScale[0] = - (h * 0.5f * (1.0f / (SensorManager.STANDARD_GRAVITY * 2))); | ||
| mScale[1] = - (h * 0.5f * (1.0f / (SensorManager.MAGNETIC_FIELD_EARTH_MAX))); | ||
| } | ||
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| public void setSensitivity(float sensitivity) { | ||
| mLimit = sensitivity; | ||
| } | ||
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| public void setStepListener(StepListener sl) { | ||
| mListener = sl; | ||
| } | ||
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| @SuppressWarnings("deprecation") | ||
| public void onSensorChanged(SensorEvent event) { | ||
| Sensor sensor = event.sensor; | ||
| synchronized (this) { | ||
| if (sensor.getType() == Sensor.TYPE_ORIENTATION) { | ||
| } | ||
| else { | ||
| int j = (sensor.getType() == Sensor.TYPE_ACCELEROMETER) ? 1 : 0; | ||
| if (j == 1) { | ||
| float vSum = 0; | ||
| for (int i=0 ; i<3 ; i++) { | ||
| final float v = mYOffset + event.values[i] * mScale[j]; | ||
| vSum += v; | ||
| } | ||
| int k = 0; | ||
| float v = vSum / 3; | ||
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| float direction = (v > mLastValues[k] ? 1 : (v < mLastValues[k] ? -1 : 0)); | ||
| if (direction == - mLastDirections[k]) { | ||
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| int extType = (direction > 0 ? 0 : 1); | ||
| mLastExtremes[extType][k] = mLastValues[k]; | ||
| float diff = Math.abs(mLastExtremes[extType][k] - mLastExtremes[1 - extType][k]); | ||
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| if (diff > mLimit) { | ||
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| boolean isAlmostAsLargeAsPrevious = diff > (mLastDiff[k]*2/3); | ||
| boolean isPreviousLargeEnough = mLastDiff[k] > (diff/3); | ||
| boolean isNotContra = (mLastMatch != 1 - extType); | ||
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| if (isAlmostAsLargeAsPrevious && isPreviousLargeEnough && isNotContra) { | ||
| if(mListener != null){ | ||
| mListener.onStep(); | ||
| } | ||
| mLastMatch = extType; | ||
| } else { | ||
| mLastMatch = -1; | ||
| } | ||
| } | ||
| mLastDiff[k] = diff; | ||
| } | ||
| mLastDirections[k] = direction; | ||
| mLastValues[k] = v; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| public void onAccuracyChanged(Sensor sensor, int accuracy) { | ||
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| } | ||
| } |
4 changes: 4 additions & 0 deletions
4
app/src/main/java/cn/bluemobi/dylan/step/pedometer/StepListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| package cn.bluemobi.dylan.step.pedometer; | ||
| public interface StepListener { | ||
| public void onStep(); | ||
| } |
73 changes: 73 additions & 0 deletions
73
app/src/main/java/cn/bluemobi/dylan/step/pedometer/StepsDetectService.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,73 @@ | ||
| package cn.bluemobi.dylan.step.pedometer; | ||
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| import android.app.Service; | ||
| import android.content.Intent; | ||
| import android.hardware.Sensor; | ||
| import android.hardware.SensorManager; | ||
| import android.os.IBinder; | ||
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| public class StepsDetectService extends Service { | ||
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| private SensorManager mSensorManager; | ||
| private Sensor mSensor; | ||
| private StepDetector mStepDetector; | ||
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| public static int steps = 0; | ||
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| @Override | ||
| public void onCreate() { | ||
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| mStepDetector = new StepDetector(); | ||
| registerDetector(); | ||
| mStepDetector.setStepListener(new StepListener() { | ||
| @Override | ||
| public void onStep(){ | ||
| steps ++; | ||
| if(mOnStepDetectListener != null){ | ||
| mOnStepDetectListener.onStepDetect(steps); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public int onStartCommand(Intent intent, int flags, int startId) { | ||
| steps = 0; | ||
| return super.onStartCommand(intent, flags, startId); | ||
| } | ||
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| public void registerDetector() { | ||
| mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE); | ||
| mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER); | ||
| mSensorManager.registerListener(mStepDetector, mSensor, SensorManager.SENSOR_DELAY_FASTEST); | ||
| } | ||
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| @Override | ||
| public IBinder onBind(Intent intent) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public void onDestroy() { | ||
| mOnStepDetectListener = null; | ||
| unRegisterDector(); | ||
| steps = 0; | ||
| } | ||
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| public void unRegisterDector(){ | ||
| if(mStepDetector != null && mSensorManager != null){ | ||
| mStepDetector.setStepListener(null); | ||
| mSensorManager.unregisterListener(mStepDetector); | ||
| } | ||
| } | ||
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| public interface OnStepDetectListener { | ||
| public void onStepDetect(int steps); | ||
| } | ||
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| public static OnStepDetectListener mOnStepDetectListener = null; | ||
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| public static void setOnStepDetectListener(OnStepDetectListener mListener){ | ||
| mOnStepDetectListener = mListener; | ||
| } | ||
| } |
2 changes: 1 addition & 1 deletion
2
...uemobi/dylan/step/step/pojo/StepData.java → ...uemobi/dylan/step/step/bean/StepData.java
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