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79 lines
2.7 KiB
79 lines
2.7 KiB
/*
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* Copyright 2012 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.levien.synthesizer.android.ui;
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import java.util.ArrayList;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Spinner;
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import android.widget.AdapterView.OnItemSelectedListener;
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import com.levien.synthesizer.R;
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import com.levien.synthesizer.core.model.composite.MultiChannelSynthesizer;
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import com.levien.synthesizer.core.model.composite.Presets.Setting;
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import com.levien.synthesizer.android.widgets.knob.KnobView;
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import com.levien.synthesizer.android.widgets.piano.PianoView;
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/**
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* Activity for simply playing the piano.
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*/
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public class PianoActivity extends SynthesizerActivity {
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.piano);
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piano_ = (PianoView)findViewById(R.id.piano);
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volumeKnob_ = (KnobView)findViewById(R.id.volumeKnob);
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presetSpinner_ = (Spinner)findViewById(R.id.presetSpinner);
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presetSpinner_.setOnItemSelectedListener(new OnItemSelectedListener() {
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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if (synthesizer_ == null) {
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return;
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}
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if (position > 0) {
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piano_.bindTo(synthesizer_, position - 1);
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volumeKnob_.bindTo(synthesizer_, position - 1, Setting.VOLUME);
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}
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}
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public void onNothingSelected(AdapterView<?> parent) {
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}
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});
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}
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@Override
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protected void onSynthesizerUpdate(MultiChannelSynthesizer synth) {
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piano_.bindTo(synthesizer_, 0);
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volumeKnob_.bindTo(synthesizer_, 0, Setting.VOLUME);
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ArrayList<String> presetNames = new ArrayList<String>();
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presetNames.add("");
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synthesizer_.getPresetNames(presetNames);
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ArrayAdapter<String> adapter = new ArrayAdapter<String>(
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this, android.R.layout.simple_spinner_item, presetNames);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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presetSpinner_.setAdapter(adapter);
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}
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private PianoView piano_;
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private KnobView volumeKnob_;
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private Spinner presetSpinner_;
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}
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