Android Open Source - Media-Pack Camera Capture Settings Popup

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License

The source code is released under:
Apache License
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Java Source Code

//
//               INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//        Copyright (c) 2013-2014 Intel Corporation. All Rights Reserved.
///*from w  w  w.ja  v  a  2s. c  om*/

package com.intel.inde.mp.samples.controls;

import android.content.Context;
import android.hardware.Camera;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import com.intel.inde.mp.samples.R;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class CameraCaptureSettingsPopup extends Popup {

    private Context context;
    List<Camera.Size> supportedResolutions;

    public interface CameraCaptureSettings {
        public void displayResolutionChanged(int width, int height);
        public void videoResolutionChanged(int width, int height);
    }

    CameraCaptureSettings eventsListener;

    public CameraCaptureSettingsPopup(Context context, List<Camera.Size> resolutions) {
        super(context);

        supportedResolutions = resolutions;
        this.context = context;

        LayoutInflater inflator = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        setContentView(inflator.inflate(R.layout.popup_camera_capture_settings, null));

        setupCameraResolutionsSpinner();
        setupOutputResolutionsSpinner();
    }

    public void setEventListener(CameraCaptureSettings listener) {
        eventsListener = listener;
    }

    private void setupCameraResolutionsSpinner() {
        Spinner spinner = (Spinner) getContentView().findViewById(R.id.cam_resolutions);
        List<String> spinner_data = new ArrayList();

        for (Camera.Size sz : supportedResolutions) {
            spinner_data.add(sz.width + " x " + sz.height);
        }

        ArrayAdapter<String> adapter = new ArrayAdapter(context, android.R.layout.simple_spinner_item, spinner_data);

        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner.setAdapter(adapter);

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> adapterView, View view, int i, long id) {

                eventsListener.displayResolutionChanged(supportedResolutions.get((int) id).width, supportedResolutions.get((int) id).height);
            }

            @Override
            public void onNothingSelected(AdapterView<?> adapterView) {

            }
        });
    }

    private void setupOutputResolutionsSpinner() {
        Spinner spinner = (Spinner)getContentView().findViewById(R.id.encoded_resolutions);
        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(context, R.array.frame_size_values, android.R.layout.simple_spinner_item);

        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner.setAdapter(adapter);

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            final Pattern pattern = Pattern.compile("(\\d*)\\s*[xX]\\s*(\\d*)");
            @Override
            public void onItemSelected(AdapterView<?> adapterView, View view, int i, long id) {
                String resolution = adapterView.getAdapter().getItem((int) id).toString();
                Matcher matcher = pattern.matcher(resolution);
                if (!matcher.find()) {
                    throw new RuntimeException("invalid resolution string: " + resolution);
                }

                eventsListener.videoResolutionChanged(new Integer(matcher.group(1)), new Integer(matcher.group(2)));
            }

            @Override
            public void onNothingSelected(AdapterView<?> adapterView) {
            }
        });

        spinner.setSelection(0);
    }
}
Java Source Code List
