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music-synthesizer-for-android/android/src/com/levien/synthesizer/android/ui/KarplusStrongActivity.java

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/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.levien.synthesizer.android.ui;
import android.os.Bundle;
import com.levien.synthesizer.R;
import com.levien.synthesizer.core.model.composite.MultiChannelSynthesizer;
import com.levien.synthesizer.core.model.composite.Presets.Setting;
import com.levien.synthesizer.android.widgets.knob.KnobView;
import com.levien.synthesizer.android.widgets.piano.PianoView;
/**
* Activity for modifying Karplus-Strong parameters.
* TODO(klimt): Add the ability to switch channels.
*/
public class KarplusStrongActivity extends SynthesizerActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.karplus_strong);
piano_ = (PianoView)findViewById(R.id.piano);
blendKnob_ = (KnobView)findViewById(R.id.blendKnob);
stretchKnob_ = (KnobView)findViewById(R.id.stretchKnob);
excitementKnob_ = (KnobView)findViewById(R.id.excitementKnob);
PianoView piano = (PianoView)findViewById(R.id.piano);
piano.bindTo(synthesizer_, 0);
}
@Override
protected void onSynthesizerUpdate(MultiChannelSynthesizer synth) {
int channel = getIntentChannel(this);
Setting[] settings = getIntentSettings(this);
piano_.bindTo(synthesizer_, channel);
blendKnob_.bindTo(synthesizer_, channel, settings[0]);
stretchKnob_.bindTo(synthesizer_, channel, settings[1]);
excitementKnob_.bindTo(synthesizer_, channel, settings[2]);
}
private PianoView piano_;
private KnobView blendKnob_;
private KnobView stretchKnob_;
private KnobView excitementKnob_;
}