Android 安卓使用VideoView播放本地视频

VideoDetailActivity

import android.content.Intent;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.MediaController;
import android.widget.TextView;
import android.widget.VideoView;
import com.animee.day20.R;
public class VideoDetailActivity extends AppCompatActivity {


    private VideoView videoView;


    private TextView nameTv,timeTv,sizeTv,pathTv;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_video_detail);
        videoView = (VideoView) findViewById(R.id.id_video_detail);
        nameTv = (TextView)findViewById(R.id.tv_name);
        timeTv = (TextView)findViewById(R.id.tv_time);
        sizeTv = (TextView)findViewById(R.id.tv_size);
        pathTv = (TextView)findViewById(R.id.tv_path);


        Intent intent = getIntent();
        String name = intent.getStringExtra("name");
        nameTv.setText("视频名称："+name);
        String path = intent.getStringExtra("path");
        pathTv.setText("视频路径："+path);
        String size = intent.getStringExtra("size");
        long l = Long.parseLong(size);
        long lSize = l / 1024 / 1024;
        sizeTv.setText("视频大小："+lSize+"MB");


        String time = intent.getStringExtra("time");
        int i = Integer.parseInt(time) / 1000;
        int min = i / 60;
        int second = i % 60;
        timeTv.setText("视频时间："+min+"分钟"+second+"秒");


        videoView.setVideoPath(path);
        videoView.setMediaController(new MediaController(this));
        videoView.start();
    }

}

activity_video_detail

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.animee.day08.demo05.VideoDetailActivity">


    <VideoView
        android:id="@+id/id_video_detail"
        android:layout_width="match_parent"
        android:layout_height="220dp" />


    <TextView
        android:id="@+id/tv1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:text="视频详细信息"
        android:textSize="26sp"
        />
    <TextView
        android:id="@+id/tv_name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="视频名称："
        android:textSize="16sp"
        />
    <TextView
        android:id="@+id/tv_time"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="视频时长："
        android:textSize="16sp"
        />
    <TextView
        android:id="@+id/tv_size"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="视频大小："
        android:textSize="16sp"
        />
    <TextView
        android:id="@+id/tv_path"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:text="视频路径："
        android:textSize="16sp"
        />
</LinearLayout>

LocalVideoActivity 

import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import com.animee.day20.R;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class LocalVideoActivity extends AppCompatActivity {
    private RecyclerView mRecyclerView;
    private static final String TAG = "lengleng";
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_local_video);
        mRecyclerView = (RecyclerView) findViewById(R.id.id_local_rv);
//        设置布局管理器
        LinearLayoutManager manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
        mRecyclerView.setLayoutManager(manager);
//        获取数据源
        List<Map<String, Object>> data = getLocalVideoData();
//        设置适配器
        LocalVideoAdapter adapter = new LocalVideoAdapter(this, data);
        mRecyclerView.setAdapter(adapter);
    }


    public List<Map<String,Object>> getLocalVideoData(){
        List<Map<String,Object>>mDatas = new ArrayList<>();
//        1.获得ContentResolver对象
        ContentResolver resolver = getContentResolver();
//        2.获取Uri对象  --->获取sd卡当中所有的视频信息
        Uri videoUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;


//       3.获取Cursor对象
        Cursor cursor = resolver.query(videoUri, null, null, null, MediaStore.Video.Media.DISPLAY_NAME);
//        4.遍历Cursor
        while (cursor.moveToNext()) {
//            获取视频名称
            String name = cursor.getString(cursor.getColumnIndex(MediaStore.Video.Media.DISPLAY_NAME));
//            获取视频的路径
            byte[] buf = cursor.getBlob(cursor.getColumnIndex(MediaStore.Video.Media.DATA));
            String path = new String(buf, 0, buf.length - 1);
//            获取视频的时间长度
            long duration = cursor.getLong(cursor.getColumnIndex(MediaStore.Video.Media.DURATION));
//            获取视频的大小
            long size = cursor.getLong(cursor.getColumnIndex(MediaStore.Video.Media.SIZE));


            Map<String,Object>map = new HashMap<>();
            map.put("name",name);
            map.put("path",path);
            map.put("duration",duration);
            map.put("size",size);
            mDatas.add(map);
        }
        return  mDatas;
    }


}

activity_local_video

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.animee.day08.demo05.LocalVideoActivity">
    <android.support.v7.widget.RecyclerView
        android:id="@+id/id_local_rv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></android.support.v7.widget.RecyclerView>
</LinearLayout>

LocalVideoAdapter 

import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.media.ThumbnailUtils;
import android.provider.MediaStore;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;


import com.animee.day20.R;


import java.util.List;
import java.util.Map;
/**
 * Created by Administrator on 2017/12/5.
 */
public class LocalVideoAdapter extends RecyclerView.Adapter<LocalVideoAdapter.LocalViewHolder>{
    private Context context;
    private List<Map<String,Object>>mDatas;
    public LocalVideoAdapter(Context context, List<Map<String, Object>> mDatas) {
        this.context = context;
        this.mDatas = mDatas;
    }
    @Override
    public LocalViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(context).inflate(R.layout.item_local_video,parent,false);
        LocalViewHolder holder = new LocalViewHolder(itemView);
        return holder;
    }


    @Override
    public void onBindViewHolder(LocalViewHolder holder, int position) {
        final Map<String, Object> map = mDatas.get(position);
        String name = map.get("name").toString();
        holder.nameTv.setText(name);


        String path = map.get("path").toString();
        Bitmap thumbnail = ThumbnailUtils.createVideoThumbnail(path, MediaStore.Video.Thumbnails.MINI_KIND);
        holder.thumbIv.setImageBitmap(thumbnail);


        holder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
//                获取意图对象
                Intent intent = new Intent();
                intent.setClass(context,VideoDetailActivity.class);
                intent.putExtra("name",map.get("name").toString());
                intent.putExtra("path",map.get("path").toString());
                intent.putExtra("size",map.get("size").toString());
                intent.putExtra("time",map.get("duration").toString());


                context.startActivity(intent);
            }
        });
    }


    @Override
    public int getItemCount() {
        return mDatas.size();
    }


    class LocalViewHolder extends RecyclerView.ViewHolder{
        ImageView thumbIv;
        TextView nameTv;
        public LocalViewHolder(View itemView) {
            super(itemView);
            thumbIv = (ImageView) itemView.findViewById(R.id.id_item_iv);
            nameTv = (TextView) itemView.findViewById(R.id.id_item_tv);
        }
    }
}

item_local_video

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="5dp">
    <ImageView
        android:id="@+id/id_item_iv"
        android:layout_width="match_parent"
        android:layout_height="220dp"
        android:src="@mipmap/ic_launcher"
        android:scaleType="centerCrop"/>
    <TextView
        android:id="@+id/id_item_tv"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="震惊，邻家母猪为何半夜惨叫...."
        android:textSize="22sp"
        android:layout_margin="10dp"
        android:textColor="@color/colorAccent"/>
</RelativeLayout>

<uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>