Open mp4 using Intent.ACTION_OPEN_DOCUMENT, ACTION_GET_CONTENT and ACTION_PICK, and play in VideoView.

This example show how to open video file of mp4 using Intent.ACTION_OPEN_DOCUMENT, ACTION_GET_CONTENT and ACTION_PICK, and play in VideoView, also add MediaController to the VideoView.



This example can also play videos stored in Google Drive:
(tested on XiaoMi RedMi 2 running Android 4.4.4)


MainActivity.java

package com.blogspot.android_er.myopenmp4;

import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.VideoView;

public class MainActivity extends AppCompatActivity {

    Button btnOpenDocument, btnGetContent, btnPick;
    TextView info;
    VideoView myVideoView;

    Uri videoFileUri = null;

    final static int RQS_OPEN_DOCUMENT = 1;
    final static int RQS_GET_CONTENT = 2;
    final static int RQS_PICK = 3;

    MediaController mediaController;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        info = (TextView) findViewById(R.id.info);
        myVideoView = (VideoView)findViewById(R.id.vview);
        btnOpenDocument = (Button)findViewById(R.id.opendocument);
        btnGetContent = (Button)findViewById(R.id.getcontent);
        btnPick = (Button)findViewById(R.id.pick);
        btnOpenDocument.setOnClickListener(btnOpenDocumentOnClickListener);
        btnGetContent.setOnClickListener(btnGetContentOnClickListener);
        btnPick.setOnClickListener(btnPickOnClickListener);

        mediaController = new MediaController(MainActivity.this);
        myVideoView.setMediaController(mediaController);

    }

    private void prepareVideo(){

        Toast.makeText(MainActivity.this,
                videoFileUri.toString(),
                Toast.LENGTH_LONG).show();
        myVideoView.setVideoURI(videoFileUri);

        myVideoView.setOnCompletionListener(myVideoViewCompletionListener);
        myVideoView.setOnPreparedListener(MyVideoViewPreparedListener);
        myVideoView.setOnErrorListener(myVideoViewErrorListener);

        myVideoView.requestFocus();
        myVideoView.start();

    }

    MediaPlayer.OnCompletionListener myVideoViewCompletionListener =
            new MediaPlayer.OnCompletionListener() {

                @Override
                public void onCompletion(MediaPlayer arg0) {
                    Toast.makeText(MainActivity.this, "End of Video",
                            Toast.LENGTH_LONG).show();
                }
            };

    MediaPlayer.OnPreparedListener MyVideoViewPreparedListener =
            new MediaPlayer.OnPreparedListener() {

                @Override
                public void onPrepared(MediaPlayer mp) {

                    long duration = myVideoView.getDuration(); //in millisecond
                    Toast.makeText(MainActivity.this,
                            "Duration: " + duration + " (ms)",
                            Toast.LENGTH_LONG).show();

                }
            };

    MediaPlayer.OnErrorListener myVideoViewErrorListener =
            new MediaPlayer.OnErrorListener() {

                @Override
                public boolean onError(MediaPlayer mp, int what, int extra) {

                    String errWhat = "";
                    switch (what){
                        case MediaPlayer.MEDIA_ERROR_UNKNOWN:
                            errWhat = "MEDIA_ERROR_UNKNOWN";
                            break;
                        case MediaPlayer.MEDIA_ERROR_SERVER_DIED:
                            errWhat = "MEDIA_ERROR_SERVER_DIED";
                            break;
                        default: errWhat = "unknown what";
                    }

                    String errExtra = "";
                    switch (extra){
                        case MediaPlayer.MEDIA_ERROR_IO:
                            errExtra = "MEDIA_ERROR_IO";
                            break;
                        case MediaPlayer.MEDIA_ERROR_MALFORMED:
                            errExtra = "MEDIA_ERROR_MALFORMED";
                            break;
                        case MediaPlayer.MEDIA_ERROR_UNSUPPORTED:
                            errExtra = "MEDIA_ERROR_UNSUPPORTED";
                            break;
                        case MediaPlayer.MEDIA_ERROR_TIMED_OUT:
                            errExtra = "MEDIA_ERROR_TIMED_OUT";
                            break;
                        default:
                            errExtra = "...others";

                    }

                    Toast.makeText(MainActivity.this,
                            "Error!!!\n" +
                                    "what: " + errWhat + "\n" +
                                    "extra: " + errExtra,
                            Toast.LENGTH_LONG).show();
                    return true;
                }
            };

    View.OnClickListener btnOpenDocumentOnClickListener = new View.OnClickListener(){

        @Override
        public void onClick(View v) {
            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_OPEN_DOCUMENT);
            intent.addCategory(Intent.CATEGORY_OPENABLE);
            intent.setType("video/mp4");
            startActivityForResult(
                    Intent.createChooser(intent, "ACTION_OPEN_DOCUMENT"),
                    RQS_OPEN_DOCUMENT);
        }
    };

    View.OnClickListener btnGetContentOnClickListener = new View.OnClickListener(){

        @Override
        public void onClick(View v) {
            Intent intent = new Intent();
            intent.setType("video/mp4");
            intent.setAction(Intent.ACTION_GET_CONTENT);
            startActivityForResult(Intent.createChooser(
                    intent, "ACTION_GET_CONTENT"), RQS_GET_CONTENT);
        }
    };

    View.OnClickListener btnPickOnClickListener = new View.OnClickListener(){

        @Override
        public void onClick(View v) {
            Intent intent = new Intent(Intent.ACTION_PICK,
                    android.provider.MediaStore.Video.Media.EXTERNAL_CONTENT_URI);
            startActivityForResult(
                    Intent.createChooser(intent, "ACTION_PICK"),
                    RQS_PICK);
        }
    };

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (resultCode == RESULT_OK) {
            if(requestCode == RQS_OPEN_DOCUMENT
                    || requestCode == RQS_GET_CONTENT
                    || requestCode == RQS_PICK){

                videoFileUri = data.getData();
                info.setText(videoFileUri.toString());

                prepareVideo();
            }
        }
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:padding="16dp"
    android:orientation="vertical"
    tools:context="com.blogspot.android_er.myopenmp4.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:autoLink="web"
        android:text="http://android-er.blogspot.com/"
        android:textStyle="bold" />

    <Button
        android:id="@+id/opendocument"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="ACTION_OPEN_DOCUMENT" />

    <Button
        android:id="@+id/getcontent"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="ACTION_GET_CONTENT" />

    <Button
        android:id="@+id/pick"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="ACTION_PICK" />

    <TextView
        android:id="@+id/info"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />

    <VideoView
        android:id="@+id/vview"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
</LinearLayout>

uses-permission of "android.permission.READ_EXTERNAL_STORAGE" is needed in AndroidManifest.xml.


Download the files .

Related:
- Open mp3 using Intent.ACTION_OPEN_DOCUMENT, ACTION_GET_CONTENT and ACTION_PICK, with checking and requesting permission at runtime.
- VideoView example to play video from Internet.