درخواست آموزش ویدیو و موزیک پلیر

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 /*
 * Copyright (c) 2013, Intel Corporation
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * - Neither the name of Intel Corporation nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.example.videoviewsample;

import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.database.Cursor;
import android.media.MediaMetadataRetriever;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.Menu;
import android.widget.MediaController;
import android.widget.VideoView;

public class VideoViewSample extends Activity
{

    private VideoView       mVideoView;

    private MediaController mController;

    MediaMetadataRetriever  mMetadataRetriever;



    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        mVideoView = (VideoView) findViewById(R.id.myplaysurface);

        mMetadataRetriever = new MediaMetadataRetriever();

        Intent intent = new Intent();

        intent.setType("video/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);

        startActivityForResult(Intent.createChooser(intent, "Video File to Play"), 0);
    }



    @Override
    public void onConfigurationChanged(Configuration newConfig)
    {
        super.onConfigurationChanged(newConfig);
    }



    public void startPlayback(String videoPath)
    {
        mMetadataRetriever.setDataSource(videoPath);

        Uri uri = Uri.parse(videoPath);
        mVideoView.setVideoURI(uri);

        mController = new MediaController(this, false);
        mVideoView.setMediaController(mController);
        mVideoView.requestFocus();
        mVideoView.start();
    }



    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.video_view_sample, menu);

        return true;
    }



    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data)
    {
        if (requestCode == 0)
        {
            if (resultCode == RESULT_OK)
            {
                Uri sourceUri = data.getData();
                String source = getPath(sourceUri);

                startPlayback(source);
            }
        }
    }



    public String getPath(Uri uri)
    {
        Cursor cursor = getContentResolver().query(uri, null, null, null, null);

        if (cursor == null)
        {
            return uri.getPath();
        } else
        {
            cursor.moveToFirst();

            int idx = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);

            return cursor.getString(idx);
        }
    }
}