Android Studio 用 VideoView 控件播放本地视频 - MilkeZhang 的网络笔记

记录一下，Android Studio通过使用VideoView控件播放本地的视频工鞥呢

注意两点，是一个是视频的宽度和高度，在VideoView中，有一个初始设置，但是最终还是要跟内部的视频一致

第二个点，不建议存放过大的资源视频视频文件

demo的功能除了播放视频文件之外，还有继续播放的功能

布局代码

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginStart="25dp"
                android:layout_marginTop="10dp"
                android:layout_marginBottom="10dp"
                android:text="【DEMO视频播放】"
                android:textSize="20sp" />
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginStart="25dp"
                android:layout_marginTop="10dp"
                android:layout_marginBottom="10dp"
                android:text="【H264】"
                android:textSize="20sp" />
            <VideoView
                android:id="@+id/mdeia_video_player__videoView264"
                android:layout_width="match_parent"
                android:layout_height="600dp" />
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginTop="50dp"
                android:orientation="horizontal">

                <Button
                    android:id="@+id/mdeia_video_player__btn_DEMO1"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="5dp"
                    android:layout_marginEnd="5dp"
                    android:layout_weight="1"
                    android:text="DEMO1" />

                <Button
                    android:id="@+id/mdeia_video_player__btn_DEMO2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="5dp"
                    android:layout_marginEnd="5dp"
                    android:layout_weight="1"
                    android:text="DEMO2" />

                <Button
                    android:id="@+id/mdeia_video_player__btn_DEMO3"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="5dp"
                    android:layout_marginEnd="5dp"
                    android:layout_weight="1"
                    android:text="DEMO3" />

                <Button
                    android:id="@+id/mdeia_video_player__btn_DEMO4"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="5dp"
                    android:layout_marginEnd="5dp"
                    android:layout_weight="1"
                    android:text="DEMO4" />

                <Button
                    android:id="@+id/mdeia_video_player__btn_DEMO5"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="5dp"
                    android:layout_marginEnd="5dp"
                    android:layout_weight="1"
                    android:text="DEMO5" />

            </LinearLayout>

            <TextView
                android:id="@+id/textView3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:layout_marginStart="25dp"
                android:textSize="20dp"
                android:text="dsaf" />
        </LinearLayout>
    </ScrollView>

</androidx.constraintlayout.widget.ConstraintLayout>

java

package com.example.aeke.Media;

import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.Toast;
import android.widget.VideoView;

import com.example.aeke.Device.Com.SerialPort;
import com.example.aeke.Device.MainMenu;
import com.example.aeke.R;

import androidx.appcompat.app.AppCompatActivity;

public class Video_Player extends AppCompatActivity {

    VideoView videoView264;

    MediaController MediaController264;

    Button btn_DEMO1;
    Button btn_DEMO2;
    Button btn_DEMO3;
    Button btn_DEMO4;
    Button btn_DEMO5;

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

        btn_DEMO1 = (Button)findViewById(R.id.mdeia_video_player__btn_DEMO1);
        btn_DEMO2 = (Button)findViewById(R.id.mdeia_video_player__btn_DEMO2);
        btn_DEMO3 = (Button)findViewById(R.id.mdeia_video_player__btn_DEMO3);
        btn_DEMO4 = (Button)findViewById(R.id.mdeia_video_player__btn_DEMO4);
        btn_DEMO5 = (Button)findViewById(R.id.mdeia_video_player__btn_DEMO5);

        Init_btn();
    }


    public  void Init_btn()
    {
        btn_DEMO1.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                PlayDEMO(1);
            }
        });
        btn_DEMO2.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                PlayDEMO(2);
            }
        });
        btn_DEMO3.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                PlayDEMO(3);
            }
        });
        btn_DEMO4.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                PlayDEMO(4);
            }
        });
        btn_DEMO5.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                PlayDEMO(5);
            }
        });
    }


    public  void PlayDEMO(int i)
    {
        videoView264= (VideoView) findViewById(R.id.mdeia_video_player__videoView264);


        String file= Environment.getExternalStorageDirectory().getPath()+ "/raw/h264.mp4";//oppo.3gp视频播放的名字
        String uri = "android.resource://" + getPackageName() + "/" + R.raw.demo_1;
        switch (i)
        {
            case 1:
                uri = "android.resource://" + getPackageName() + "/" + R.raw.demo_1;
                break;
            case 2:
                uri = "android.resource://" + getPackageName() + "/" + R.raw.demo_2;
                break;
            case 3:
                uri = "android.resource://" + getPackageName() + "/" + R.raw.demo_3;
                break;
            case 4:
                uri = "android.resource://" + getPackageName() + "/" + R.raw.demo_4;
                break;
            case 5:
                uri = "android.resource://" + getPackageName() + "/" + R.raw.demo_5;
                break;
        }


        //String uri = "android.resource://" + getPackageName() + "/" +file;

        videoView264.setVideoURI(Uri.parse(uri));

        //MediaController mc = new MediaController(this);



        MediaController264= new MediaController(this);
        MediaController264.setAnchorView(videoView264);//设置控制器 控制的是那一个videoview
        videoView264.setMediaController(MediaController264);//设置videoview的控制器为MediaController

        videoView264.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
        {
            @Override
            public void onCompletion(MediaPlayer mp)
            {
                switch (i)
                {
                    case 1:
                    case 4:
                    case 2:
                    case 3:
                        ShowToast("下一首");
                        PlayDEMO(i+1);
                        break;
                    case 5:
                        ShowToast("播放完毕");
                        break;
                }
                //播放结束后的动作
            }
        });

        videoView264.start();
    }

    /**
     * 提示输出
     */
    public void ShowToast(String Message) {
        Toast.makeText(this,Message,  Toast.LENGTH_LONG).show();
    }
}