org.android.activityminer.app.filter
Class FilterTestActivity

java.lang.Object
  android.content.Context
      android.content.ContextWrapper
          android.view.ContextThemeWrapper
              android.app.Activity
                  org.android.activityminer.app.util.SharedPreferenceChangeAwareActivity
                      org.android.activityminer.app.recording.AbstractRecordingActivity<AccSensorObservationDimensions>
                          org.android.activityminer.app.filter.FilterTestActivity

All Implemented Interfaces:

ComponentCallbacks, ComponentCallbacks2, KeyEvent.Callback, LayoutInflater.Factory, LayoutInflater.Factory2, View.OnCreateContextMenuListener, Window.Callback, SharedPreferenceChangeNotificationReceiver, SharedPreferenceChangeObserver

public class FilterTestActivity
extends AbstractRecordingActivity<AccSensorObservationDimensions>

A test activity for the different low pass filter types.

Nested Class Summary

private class

FilterTestActivity.StopTask The automatic stop task.

Field Summary

private ObservableAccSensorScanner	accScanner The observable accelerometer scanner.
private AbstractAccelerometerDataSource	accSource The accelerometer data source
private AdaptiveLowPassFilter	adaptiveLowPassFilter The adaptive low pass filter.
private FilterAxisView[]	axisViews The views for the raw and filtered data graphs.
private ButterworthLowPassFilter	bwLowPassFilter The butterworth low pass filter.
private int[]	colors Graph colors for the different filter types.
private List<SensorObservationCutout<AccSensorObservationDimensions,Double>>	cutOuts The lists to store observed and filtered accelerometer samples in.
private AtomicBoolean[]	filterIsVisible The filter visibility flags.
private LowPassFilter[]	knownFilters The filter list.
private LinearLayout[]	layouts The linear layouts holding the graph views
private long	maxRecordingTime The maximum duration in milliseconds for a recording.
private FilterTestActivity.StopTask	stopTask The task to stop recording.
private TextView[]	textViews The etxt views with the layout labels

Fields inherited from class android.app.Activity

DEFAULT_KEYS_DIALER, DEFAULT_KEYS_DISABLE, DEFAULT_KEYS_SEARCH_GLOBAL, DEFAULT_KEYS_SEARCH_LOCAL, DEFAULT_KEYS_SHORTCUT, FOCUSED_STATE_SET, RESULT_CANCELED, RESULT_FIRST_USER, RESULT_OK

Fields inherited from class android.content.Context

ACCESSIBILITY_SERVICE, ACCOUNT_SERVICE, ACTIVITY_SERVICE, ALARM_SERVICE, APP_OPS_SERVICE, AUDIO_SERVICE, BIND_ABOVE_CLIENT, BIND_ADJUST_WITH_ACTIVITY, BIND_ALLOW_OOM_MANAGEMENT, BIND_AUTO_CREATE, BIND_DEBUG_UNBIND, BIND_IMPORTANT, BIND_NOT_FOREGROUND, BIND_WAIVE_PRIORITY, BLUETOOTH_SERVICE, CAPTIONING_SERVICE, CLIPBOARD_SERVICE, CONNECTIVITY_SERVICE, CONSUMER_IR_SERVICE, CONTEXT_IGNORE_SECURITY, CONTEXT_INCLUDE_CODE, CONTEXT_RESTRICTED, DEVICE_POLICY_SERVICE, DISPLAY_SERVICE, DOWNLOAD_SERVICE, DROPBOX_SERVICE, INPUT_METHOD_SERVICE, INPUT_SERVICE, KEYGUARD_SERVICE, LAYOUT_INFLATER_SERVICE, LOCATION_SERVICE, MEDIA_ROUTER_SERVICE, MODE_APPEND, MODE_ENABLE_WRITE_AHEAD_LOGGING, MODE_MULTI_PROCESS, MODE_PRIVATE, MODE_WORLD_READABLE, MODE_WORLD_WRITEABLE, NFC_SERVICE, NOTIFICATION_SERVICE, NSD_SERVICE, POWER_SERVICE, PRINT_SERVICE, SEARCH_SERVICE, SENSOR_SERVICE, STORAGE_SERVICE, TELEPHONY_SERVICE, TEXT_SERVICES_MANAGER_SERVICE, UI_MODE_SERVICE, USB_SERVICE, USER_SERVICE, VIBRATOR_SERVICE, WALLPAPER_SERVICE, WIFI_P2P_SERVICE, WIFI_SERVICE, WINDOW_SERVICE

Fields inherited from interface android.content.ComponentCallbacks2

TRIM_MEMORY_BACKGROUND, TRIM_MEMORY_COMPLETE, TRIM_MEMORY_MODERATE, TRIM_MEMORY_RUNNING_CRITICAL, TRIM_MEMORY_RUNNING_LOW, TRIM_MEMORY_RUNNING_MODERATE, TRIM_MEMORY_UI_HIDDEN

Constructor Summary

FilterTestActivity()
Constructor

Method Summary

private void	applyFilter(FilterTypes filterType) Method to invoke a single filter on the raw data.
private void	changeFilterState(FilterTypes filterType, boolean enabled) Does change the enabled state for a filter with the given type.
protected long	getCutOutSize() Getter for the cut-out window size in milliseconds
private Double[]	getValuesForAxis(SensorObservationCutout<AccSensorObservationDimensions,Double> filterDataFrame, FilterAxisView.AxisTypes axisType) Method to get the time series data for a specific axis from a filter data frame.
protected boolean	onAboutToStartRecording() Call-back method for recording start preparation.
void	onBetaPreferenceChange(double beta) The handler for beta value preference changes.
void	onBWCutOffPreferenceChanged(double cf) The handler for Butterworth filter cut-off frequency preference changes.
void	onBWFilterOrderPreferenceChanged(int order) The handler for Butterworth filter order changes.
protected void	onCreate(Bundle savedInstanceState)
boolean	onCreateOptionsMenu(Menu menu)
protected void	onDestroy()
private boolean	onEnableFilter1(boolean enabled) Option menu handler for filter1 enabled state changes.
private boolean	onEnableFilter2(boolean enabled) Option menu handler for filter2 enabled state changes.
private boolean	onFilterConfiguration() Option menu handler for filter configuration.
void	onMinCutOffPreferenceChanged(double minCutOff) The handler for minimum cut-off frequency preference changes.
protected void	onNewCutOut(SensorObservationCutout<AccSensorObservationDimensions,Double> cutOut) Event handler for new extracted sensor observation cut-outs
boolean	onOptionsItemSelected(MenuItem item)
protected ObservableSensorScanner<AccSensorObservationDimensions,Double>	onPrepare() Call-back method for load preparation.
protected void	onRecordingStopped(boolean wasStoppedByUser, long stopTime) Call-back method for recording stopped post processing.
private void	setBeta(double beta) Does update the beta value.
private void	setBWCutOffFrequency(double cf)
private void	setBWFilterOrder(int order)
private void	setMinCutOffFreq(double minCutOff) Does update the minimum cut off frequency value.
private void	updateFilterSeries(FilterTypes filterType) Method to recalculate the filter values for specific filter types and to update the related series in the graph views for the axis data.
private void	updateViewForNewSamples() Method to update the whole view for new sample data.

Methods inherited from class org.android.activityminer.app.recording.AbstractRecordingActivity

doStartRecording, doStopRecording, enableRecordingButton, getActualObservationTime, getLastCutout, getMinRecordingTime, getRemainingTimeForMinRecordingLength, getSampleRate, isInterestedInLimitViolations, isRecording, isRecordingButtonEnabled, onBackPressed, onConfigurationChanged, onDefaultRecordingTimeChange, onPause, postDelayed, removeCallbacks, setMinRecordingTime, startRecording

Methods inherited from class org.android.activityminer.app.util.SharedPreferenceChangeAwareActivity

getConfiguration, onClassSelectionChange, onCountDownTimeChange, onCrossValidationParameterKChange, onEvaluationAccuracyThresholdChanged, onFeatureSelection, onGravitationCutOffPreferenceChanged, onKNNClassifierParameterKChange, onKNNClassifierParameterNormalizeChange, onLimitViolation, onLocationDataUsageFlagChange, onMaximumRecordingTimeChange, onMaximumSampleRateChange, onOverlapSizeChange, onOwnLinAccImplementationUsageFlagChange, onSampleRateChange, onSelectedAccFilterChanged, onSelectedClassifierChange, onWindowSizeChange

Methods inherited from class android.app.Activity

addContentView, closeContextMenu, closeOptionsMenu, createPendingResult, dismissDialog, dispatchGenericMotionEvent, dispatchKeyEvent, dispatchKeyShortcutEvent, dispatchPopulateAccessibilityEvent, dispatchTouchEvent, dispatchTrackballEvent, dump, findViewById, finish, finishActivity, finishActivityFromChild, finishAffinity, finishFromChild, getActionBar, getApplication, getCallingActivity, getCallingPackage, getChangingConfigurations, getComponentName, getCurrentFocus, getFragmentManager, getIntent, getLastNonConfigurationInstance, getLayoutInflater, getLoaderManager, getLocalClassName, getMenuInflater, getParent, getParentActivityIntent, getPreferences, getRequestedOrientation, getSystemService, getTaskId, getTitle, getTitleColor, getVolumeControlStream, getWindow, getWindowManager, hasWindowFocus, invalidateOptionsMenu, isChangingConfigurations, isChild, isDestroyed, isFinishing, isImmersive, isTaskRoot, managedQuery, moveTaskToBack, navigateUpTo, navigateUpToFromChild, onActionModeFinished, onActionModeStarted, onActivityResult, onApplyThemeResource, onAttachedToWindow, onAttachFragment, onChildTitleChanged, onContentChanged, onContextItemSelected, onContextMenuClosed, onCreateContextMenu, onCreateDescription, onCreateDialog, onCreateDialog, onCreateNavigateUpTaskStack, onCreatePanelMenu, onCreatePanelView, onCreateThumbnail, onCreateView, onCreateView, onDetachedFromWindow, onGenericMotionEvent, onKeyDown, onKeyLongPress, onKeyMultiple, onKeyShortcut, onKeyUp, onLowMemory, onMenuItemSelected, onMenuOpened, onNavigateUp, onNavigateUpFromChild, onNewIntent, onOptionsMenuClosed, onPanelClosed, onPostCreate, onPostResume, onPrepareDialog, onPrepareDialog, onPrepareNavigateUpTaskStack, onPrepareOptionsMenu, onPreparePanel, onProvideAssistData, onRestart, onRestoreInstanceState, onResume, onRetainNonConfigurationInstance, onSaveInstanceState, onSearchRequested, onStart, onStop, onTitleChanged, onTouchEvent, onTrackballEvent, onTrimMemory, onUserInteraction, onUserLeaveHint, onWindowAttributesChanged, onWindowFocusChanged, onWindowStartingActionMode, openContextMenu, openOptionsMenu, overridePendingTransition, recreate, registerForContextMenu, removeDialog, reportFullyDrawn, requestWindowFeature, runOnUiThread, setContentView, setContentView, setContentView, setDefaultKeyMode, setFeatureDrawable, setFeatureDrawableAlpha, setFeatureDrawableResource, setFeatureDrawableUri, setFinishOnTouchOutside, setImmersive, setIntent, setProgress, setProgressBarIndeterminate, setProgressBarIndeterminateVisibility, setProgressBarVisibility, setRequestedOrientation, setResult, setResult, setSecondaryProgress, setTitle, setTitle, setTitleColor, setVisible, setVolumeControlStream, shouldUpRecreateTask, showDialog, showDialog, startActionMode, startActivities, startActivities, startActivity, startActivity, startActivityForResult, startActivityForResult, startActivityFromChild, startActivityFromChild, startActivityFromFragment, startActivityFromFragment, startActivityIfNeeded, startActivityIfNeeded, startIntentSender, startIntentSender, startIntentSenderForResult, startIntentSenderForResult, startIntentSenderFromChild, startIntentSenderFromChild, startManagingCursor, startNextMatchingActivity, startNextMatchingActivity, startSearch, stopManagingCursor, takeKeyEvents, triggerSearch, unregisterForContextMenu

Methods inherited from class android.view.ContextThemeWrapper

applyOverrideConfiguration, attachBaseContext, getResources, getTheme, setTheme

Methods inherited from class android.content.ContextWrapper

bindService, checkCallingOrSelfPermission, checkCallingOrSelfUriPermission, checkCallingPermission, checkCallingUriPermission, checkPermission, checkUriPermission, checkUriPermission, clearWallpaper, createConfigurationContext, createDisplayContext, createPackageContext, databaseList, deleteDatabase, deleteFile, enforceCallingOrSelfPermission, enforceCallingOrSelfUriPermission, enforceCallingPermission, enforceCallingUriPermission, enforcePermission, enforceUriPermission, enforceUriPermission, fileList, getApplicationContext, getApplicationInfo, getAssets, getBaseContext, getCacheDir, getClassLoader, getContentResolver, getDatabasePath, getDir, getExternalCacheDir, getExternalCacheDirs, getExternalFilesDir, getExternalFilesDirs, getFilesDir, getFileStreamPath, getMainLooper, getObbDir, getObbDirs, getPackageCodePath, getPackageManager, getPackageName, getPackageResourcePath, getSharedPreferences, getWallpaper, getWallpaperDesiredMinimumHeight, getWallpaperDesiredMinimumWidth, grantUriPermission, isRestricted, openFileInput, openFileOutput, openOrCreateDatabase, openOrCreateDatabase, peekWallpaper, registerReceiver, registerReceiver, removeStickyBroadcast, removeStickyBroadcastAsUser, revokeUriPermission, sendBroadcast, sendBroadcast, sendBroadcastAsUser, sendBroadcastAsUser, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcastAsUser, sendStickyBroadcast, sendStickyBroadcastAsUser, sendStickyOrderedBroadcast, sendStickyOrderedBroadcastAsUser, setWallpaper, setWallpaper, startInstrumentation, startService, stopService, unbindService, unregisterReceiver

Methods inherited from class android.content.Context

getString, getString, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, registerComponentCallbacks, unregisterComponentCallbacks

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

accScanner

private ObservableAccSensorScanner accScanner

The observable accelerometer scanner.

adaptiveLowPassFilter

private AdaptiveLowPassFilter adaptiveLowPassFilter

The adaptive low pass filter.

bwLowPassFilter

private ButterworthLowPassFilter bwLowPassFilter

The butterworth low pass filter.

cutOuts

private List<SensorObservationCutout<AccSensorObservationDimensions,Double>> cutOuts

The lists to store observed and filtered accelerometer samples in.

axisViews

private final FilterAxisView[] axisViews

The views for the raw and filtered data graphs.

layouts

private final LinearLayout[] layouts

The linear layouts holding the graph views

textViews

private final TextView[] textViews

The etxt views with the layout labels

colors

private final int[] colors

Graph colors for the different filter types.

knownFilters

private LowPassFilter[] knownFilters

The filter list.

filterIsVisible

private AtomicBoolean[] filterIsVisible

The filter visibility flags.

stopTask

private FilterTestActivity.StopTask stopTask

The task to stop recording.

maxRecordingTime

private final long maxRecordingTime

The maximum duration in milliseconds for a recording.

accSource

private AbstractAccelerometerDataSource accSource

The accelerometer data source

Constructor Detail

FilterTestActivity

public FilterTestActivity()

Constructor

Method Detail

onPrepare

protected final ObservableSensorScanner<AccSensorObservationDimensions,Double> onPrepare()

Description copied from class: AbstractRecordingActivity

Call-back method for load preparation. This Method is called every time the GUI is loaded, thus on creation and orientation changes.

Specified by:

onPrepare in class AbstractRecordingActivity<AccSensorObservationDimensions>

Returns:

the observable raw time series data source to use.

setBWCutOffFrequency

private final void setBWCutOffFrequency(double cf)

Parameters:

cf - the cut-off frequency to set

setBWFilterOrder

private final void setBWFilterOrder(int order)

Parameters:

order -

setMinCutOffFreq

private final void setMinCutOffFreq(double minCutOff)

Does update the minimum cut off frequency value.

Parameters:

minCutOff - the minimum cut off frequency value to set.

setBeta

private final void setBeta(double beta)

Does update the beta value.

Parameters:

beta - the beta value to set.

onCreate

protected final void onCreate(Bundle savedInstanceState)

Overrides:

onCreate in class AbstractRecordingActivity<AccSensorObservationDimensions>

onDestroy

protected void onDestroy()

Overrides:

onDestroy in class AbstractRecordingActivity<AccSensorObservationDimensions>

onAboutToStartRecording

protected final boolean onAboutToStartRecording()

Description copied from class: AbstractRecordingActivity

Call-back method for recording start preparation.

Overrides:

onAboutToStartRecording in class AbstractRecordingActivity<AccSensorObservationDimensions>

Returns:

if true recording will be started , otherwise you need to call AbstractRecordingActivity.startRecording() Method by your own as soon as you are ready.

onRecordingStopped

protected final void onRecordingStopped(boolean wasStoppedByUser,
                                        long stopTime)

Description copied from class: AbstractRecordingActivity

Call-back method for recording stopped post processing.

Specified by:

onRecordingStopped in class AbstractRecordingActivity<AccSensorObservationDimensions>

Parameters:

wasStoppedByUser - flag is recording was stopped manually by the user

stopTime - the time the recording was stopped in milliseconds

updateViewForNewSamples

private final void updateViewForNewSamples()

Method to update the whole view for new sample data.

updateFilterSeries

private final void updateFilterSeries(FilterTypes filterType)

Method to recalculate the filter values for specific filter types and to update the related series in the graph views for the axis data.

Parameters:

filterType - the filter type

getValuesForAxis

private final Double[] getValuesForAxis(SensorObservationCutout<AccSensorObservationDimensions,Double> filterDataFrame,
                                        FilterAxisView.AxisTypes axisType)

Method to get the time series data for a specific axis from a filter data frame.

Parameters:

filterDataFrame - the frame to retrieve time series from

axisType - the axis to retrieve time series for

Returns:

the time series data as array

applyFilter

private final void applyFilter(FilterTypes filterType)

Method to invoke a single filter on the raw data.

Parameters:

filterType - the filter type identifier

onCreateOptionsMenu

public final boolean onCreateOptionsMenu(Menu menu)

Overrides:

onCreateOptionsMenu in class Activity

onOptionsItemSelected

public final boolean onOptionsItemSelected(MenuItem item)

Overrides:

onOptionsItemSelected in class Activity

changeFilterState

private final void changeFilterState(FilterTypes filterType,
                                     boolean enabled)

Does change the enabled state for a filter with the given type.

Parameters:

filterType - the filter type

enabled - enabled state for the filter

onEnableFilter2

private final boolean onEnableFilter2(boolean enabled)

Option menu handler for filter2 enabled state changes.

Parameters:

enabled - enabled state for the filter

Returns:

true if successful, false otherwise

onEnableFilter1

private final boolean onEnableFilter1(boolean enabled)

Option menu handler for filter1 enabled state changes.

Parameters:

enabled - enabled state for the filter

Returns:

true if successful, false otherwise

onFilterConfiguration

private final boolean onFilterConfiguration()

Option menu handler for filter configuration.

Returns:

true if successful, false otherwise

onBWCutOffPreferenceChanged

public final void onBWCutOffPreferenceChanged(double cf)

Description copied from interface: SharedPreferenceChangeObserver

The handler for Butterworth filter cut-off frequency preference changes.

Specified by:

onBWCutOffPreferenceChanged in interface SharedPreferenceChangeObserver

Overrides:

onBWCutOffPreferenceChanged in class SharedPreferenceChangeAwareActivity

Parameters:

cf - the new cut-off frequency value

onBWFilterOrderPreferenceChanged

public final void onBWFilterOrderPreferenceChanged(int order)

Description copied from interface: SharedPreferenceChangeObserver

The handler for Butterworth filter order changes.

Specified by:

onBWFilterOrderPreferenceChanged in interface SharedPreferenceChangeObserver

Overrides:

onBWFilterOrderPreferenceChanged in class SharedPreferenceChangeAwareActivity

Parameters:

order - the new filter order

onMinCutOffPreferenceChanged

public final void onMinCutOffPreferenceChanged(double minCutOff)

Description copied from interface: SharedPreferenceChangeObserver

The handler for minimum cut-off frequency preference changes.

Specified by:

onMinCutOffPreferenceChanged in interface SharedPreferenceChangeObserver

Overrides:

onMinCutOffPreferenceChanged in class SharedPreferenceChangeAwareActivity

Parameters:

minCutOff - the new minimum cut-off frequency value

onBetaPreferenceChange

public final void onBetaPreferenceChange(double beta)

Description copied from interface: SharedPreferenceChangeObserver

The handler for beta value preference changes.

Specified by:

onBetaPreferenceChange in interface SharedPreferenceChangeObserver

Overrides:

onBetaPreferenceChange in class SharedPreferenceChangeAwareActivity

Parameters:

beta - the new beta value

onNewCutOut

protected void onNewCutOut(SensorObservationCutout<AccSensorObservationDimensions,Double> cutOut)

Description copied from class: AbstractRecordingActivity

Event handler for new extracted sensor observation cut-outs

Specified by:

onNewCutOut in class AbstractRecordingActivity<AccSensorObservationDimensions>

Parameters:

cutOut - the new cut-out

getCutOutSize

protected long getCutOutSize()

Description copied from class: AbstractRecordingActivity

Getter for the cut-out window size in milliseconds

Specified by:

getCutOutSize in class AbstractRecordingActivity<AccSensorObservationDimensions>

Returns:

the cut out size