apps/OboeTester/app/src/main/java/com/google/sample/oboe/manualtest/TestOutputActivity.java

/*
 * Copyright 2017 The Android Open Source Project
 *
 * 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.google.sample.oboe.manualtest;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.CheckBox;
import android.widget.Spinner;

import java.io.IOException;

/**
 * Test basic output.
 */
public final class TestOutputActivity extends TestOutputActivityBase {

    public static final int MAX_CHANNEL_BOXES = 8;
    private CheckBox[] mChannelBoxes;
    private Spinner mNativeApiSpinner;

    private class NativeApiSpinnerListener implements android.widget.AdapterView.OnItemSelectedListener {
        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
            mAudioOutTester.setSignalType(pos);
        }

        @Override
        public void onNothingSelected(AdapterView<?> parent) {
            mAudioOutTester.setSignalType(0);
        }
    }

    @Override
    protected void inflateActivity() {
        setContentView(R.layout.activity_test_output);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        updateEnabledWidgets();

        mAudioOutTester = addAudioOutputTester();

        mChannelBoxes = new CheckBox[MAX_CHANNEL_BOXES];
        int ic = 0;
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox0);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox1);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox2);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox3);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox4);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox5);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox6);
        mChannelBoxes[ic++] = (CheckBox) findViewById(R.id.channelBox7);
        configureChannelBoxes(0);

        mNativeApiSpinner = (Spinner) findViewById(R.id.spinnerOutputSignal);
        mNativeApiSpinner.setOnItemSelectedListener(new NativeApiSpinnerListener());
        mNativeApiSpinner.setSelection(StreamConfiguration.NATIVE_API_UNSPECIFIED);
    }

    @Override
    int getActivityType() {
        return ACTIVITY_TEST_OUTPUT;
    }

    public void openAudio() throws IOException {
        super.openAudio();
        int channelCount = mAudioOutTester.getCurrentAudioStream().getChannelCount();
        configureChannelBoxes(channelCount);
    }

    private void configureChannelBoxes(int channelCount) {
        for (int i = 0; i < mChannelBoxes.length; i++) {
            mChannelBoxes[i].setChecked(i < channelCount);
            mChannelBoxes[i].setEnabled(i < channelCount);
        }
    }

    public void closeAudio() {
        configureChannelBoxes(0);
        super.closeAudio();
    }

    public void onChannelBoxClicked(View view) {
        CheckBox checkBox = (CheckBox) view;
        String text = (String) checkBox.getText();
        int channelIndex = Integer.parseInt(text);
        mAudioOutTester.setChannelEnabled(channelIndex, checkBox.isChecked());
    }
}