EqualizerTestpublic class EqualizerTest extends android.app.Activity implements android.widget.CompoundButton.OnCheckedChangeListener
| Fields Summary |
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| private static final String | TAG | | private static int | NUM_BANDS | | private static int | NUM_PARAMS | | private EffectParameter[] | mParameters | | private android.media.audiofx.Equalizer | mEqualizer | | android.widget.ToggleButton | mOnOffButton | | android.widget.ToggleButton | mReleaseButton | | android.widget.EditText | mSessionText | | static int | sSession | | EffectListner | mEffectListener | | private static HashMap | sInstances | | String | mSettings | | private View.OnKeyListener | mSessionKeyListener |
| Constructors Summary |
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public EqualizerTest()
Log.d(TAG, "contructor");
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| Methods Summary |
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| private void | displayFreq(int viewId, int freq)
TextView textView = (TextView)findViewById(viewId);
String text = Integer.toString(freq/1000)+" Hz";
textView.setText(text);
| | private void | getEffect(int session)
synchronized (sInstances) {
if (sInstances.containsKey(session)) {
mEqualizer = sInstances.get(session);
} else {
try{
mEqualizer = new Equalizer(0, session);
} catch (IllegalArgumentException e) {
Log.e(TAG,"Equalizer effect not supported");
} catch (UnsupportedOperationException e) {
Log.e(TAG,"Equalizer library not loaded");
} catch (IllegalStateException e) {
Log.e(TAG,"Equalizer cannot get presets");
} catch (RuntimeException e) {
Log.e(TAG,"Equalizer effect not found");
}
sInstances.put(session, mEqualizer);
}
}
mReleaseButton.setEnabled(false);
mOnOffButton.setEnabled(false);
if (mEqualizer != null) {
if (mSettings != "") {
Log.d(TAG,"Equalizer settings: "+mSettings);
mEqualizer.setProperties(new Equalizer.Settings(mSettings));
}
mEqualizer.setEnableStatusListener(mEffectListener);
mEqualizer.setControlStatusListener(mEffectListener);
mEqualizer.setParameterListener(mEffectListener);
mReleaseButton.setChecked(true);
mReleaseButton.setEnabled(true);
mOnOffButton.setChecked(mEqualizer.getEnabled());
mOnOffButton.setEnabled(true);
}
| | public void | onCheckedChanged(android.widget.CompoundButton buttonView, boolean isChecked)
// OnCheckedChangeListener
if (buttonView.getId() == R.id.equalizerOnOff) {
if (mEqualizer != null) {
mEqualizer.setEnabled(isChecked);
updateBands();
}
}
if (buttonView.getId() == R.id.eqReleaseButton) {
if (isChecked) {
if (mEqualizer == null) {
getEffect(sSession);
if (mEqualizer != null) {
for (int i = 0 ; i < mParameters.length; i++) {
mParameters[i].setEffect(mEqualizer);
mParameters[i].setEnabled(true);
}
}
}
} else {
if (mEqualizer != null) {
for (int i = 0 ; i < mParameters.length; i++) {
mParameters[i].setEnabled(false);
}
putEffect(sSession);
}
}
}
| | public void | onCreate(android.os.Bundle icicle)
super.onCreate(icicle);
SeekBar seekBar;
TextView textView;
setContentView(R.layout.equalizertest);
mSessionText = (EditText) findViewById(R.id.sessionEdit);
mSessionText.setOnKeyListener(mSessionKeyListener);
mSessionText.setText(Integer.toString(sSession));
mReleaseButton = (ToggleButton)findViewById(R.id.eqReleaseButton);
mOnOffButton = (ToggleButton)findViewById(R.id.equalizerOnOff);
getEffect(sSession);
if (mEqualizer != null) {
mReleaseButton.setOnCheckedChangeListener(this);
mOnOffButton.setOnCheckedChangeListener(this);
short[] bandLevelRange = mEqualizer.getBandLevelRange();
int centerFreq;
int []freqRange;
// Band 1 level
centerFreq = mEqualizer.getCenterFreq((short)0);
freqRange = mEqualizer.getBandFreqRange((short)0);
displayFreq(R.id.eqParam1Center, centerFreq);
displayFreq(R.id.eqParam1Min, freqRange[0]);
displayFreq(R.id.eqParam1Max, freqRange[1]);
seekBar = (SeekBar)findViewById(R.id.eqParam1SeekBar);
textView = (TextView)findViewById(R.id.eqParam1Value);
mParameters[0] = new BandLevelParam(mEqualizer, 0, bandLevelRange[0], bandLevelRange[1], seekBar, textView);
seekBar.setOnSeekBarChangeListener(mParameters[0]);
// Band 2 level
centerFreq = mEqualizer.getCenterFreq((short)1);
freqRange = mEqualizer.getBandFreqRange((short)1);
displayFreq(R.id.eqParam2Center, centerFreq);
displayFreq(R.id.eqParam2Min, freqRange[0]);
displayFreq(R.id.eqParam2Max, freqRange[1]);
seekBar = (SeekBar)findViewById(R.id.eqParam2SeekBar);
textView = (TextView)findViewById(R.id.eqParam2Value);
mParameters[1] = new BandLevelParam(mEqualizer, 1, bandLevelRange[0], bandLevelRange[1], seekBar, textView);
seekBar.setOnSeekBarChangeListener(mParameters[1]);
// Band 3 level
centerFreq = mEqualizer.getCenterFreq((short)2);
freqRange = mEqualizer.getBandFreqRange((short)2);
displayFreq(R.id.eqParam3Center, centerFreq);
displayFreq(R.id.eqParam3Min, freqRange[0]);
displayFreq(R.id.eqParam3Max, freqRange[1]);
seekBar = (SeekBar)findViewById(R.id.eqParam3SeekBar);
textView = (TextView)findViewById(R.id.eqParam3Value);
mParameters[2] = new BandLevelParam(mEqualizer, 2, bandLevelRange[0], bandLevelRange[1], seekBar, textView);
seekBar.setOnSeekBarChangeListener(mParameters[2]);
// Band 4 level
centerFreq = mEqualizer.getCenterFreq((short)3);
freqRange = mEqualizer.getBandFreqRange((short)3);
displayFreq(R.id.eqParam4Center, centerFreq);
displayFreq(R.id.eqParam4Min, freqRange[0]);
displayFreq(R.id.eqParam4Max, freqRange[1]);
seekBar = (SeekBar)findViewById(R.id.eqParam4SeekBar);
textView = (TextView)findViewById(R.id.eqParam4Value);
mParameters[3] = new BandLevelParam(mEqualizer, 3, bandLevelRange[0], bandLevelRange[1], seekBar, textView);
seekBar.setOnSeekBarChangeListener(mParameters[3]);
// Band 5 level
centerFreq = mEqualizer.getCenterFreq((short)4);
freqRange = mEqualizer.getBandFreqRange((short)4);
displayFreq(R.id.eqParam5Center, centerFreq);
displayFreq(R.id.eqParam5Min, freqRange[0]);
displayFreq(R.id.eqParam5Max, freqRange[1]);
seekBar = (SeekBar)findViewById(R.id.eqParam5SeekBar);
textView = (TextView)findViewById(R.id.eqParam5Value);
mParameters[4] = new BandLevelParam(mEqualizer, 4, bandLevelRange[0], bandLevelRange[1], seekBar, textView);
seekBar.setOnSeekBarChangeListener(mParameters[4]);
// Presets
short numPresets = mEqualizer.getNumberOfPresets();
seekBar = (SeekBar)findViewById(R.id.eqParam6SeekBar);
textView = (TextView)findViewById(R.id.eqParam6Value);
mParameters[5] = new PresetParam(mEqualizer, (short)0, (short)(numPresets-1), seekBar, textView);
seekBar.setOnSeekBarChangeListener(mParameters[5]);
}
| | public void | onPause()
super.onPause();
| | public void | onResume()
super.onResume();
| | private void | putEffect(int session)
// mOnOffButton.setChecked(false);
mOnOffButton.setEnabled(false);
synchronized (sInstances) {
if (mEqualizer != null) {
mSettings = mEqualizer.getProperties().toString();
mEqualizer.release();
Log.d(TAG,"Equalizer released, settings: "+mSettings);
mEqualizer = null;
sInstances.remove(session);
}
}
| | protected void | updateBands()
for (int i = 0 ; i < NUM_BANDS; i++) {
mParameters[i].updateDisplay();
}
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