In android, An Intent provides a facility for performing late runtime binding between the code in different applications. Its most significant use is in the launching of activities, where it can be thought of as the glue between activities. It is basically a passive data structure holding an abstract description of an action to be performed.
What we are going to build in this article?
In this article, we will learn that how we can pass Video using Intent between two activities and then play that video in the second activity. Here is a sample video of what we are going to build in this application. Note that we are going to implement this application using Java language.
Step by Step Implementation
Step 1: Create a New Project
- Open a new project.
- We will be working on Empty Activity with language as Java. Leave all other options unchanged.
- You can change the name of the project at your convenience.
- There will be two default files named activity_main.xml and MainActivity.java.
If you don’t know how to create a new project in Android Studio then you can refer to How to Create/Start a New Project in Android Studio?
Step 2: Adding storage permission
Follow the path app > manifests > AndroidManifest.xml and paste the following piece of code in it.
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
Step 3: Working on XML files
Navigate to the app > res > layout > activity_main.xml and add the below code to that file. Below is the code for the activity_main.xml file.
XML
<?xml version="1.0" encoding="utf-8"?><RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/bt_select" android:text="Select Video" android:layout_centerInParent="true" /> </RelativeLayout> |
Follow the path app > right click > new > activity > Empty Activity > name it as “MainActvity2”. Navigate to the app > res > layout > activity_main2.xml and add the below code to that file. Below is the code for the activity_main2.xml file.
XML
<?xml version="1.0" encoding="utf-8"?><androidx.constraintlayout.widget.ConstraintLayout android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity2"> <RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent" android:clipToPadding="false" android:fitsSystemWindows="true"> <VideoView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/video_view"/> </RelativeLayout> </androidx.constraintlayout.widget.ConstraintLayout> |
Step 4: Working on java files
Go to the MainActivity.java file and refer to the following code. Below is the code for the MainActivity.java file. Comments are added inside the code to understand the code in more detail.
Java
package com.example.videointent; import androidx.annotation.NonNull;import androidx.annotation.Nullable;import androidx.appcompat.app.AppCompatActivity;import androidx.core.app.ActivityCompat;import androidx.core.content.ContextCompat; import android.Manifest;import android.content.Intent;import android.content.pm.PackageManager;import android.net.Uri;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast; public class MainActivity extends AppCompatActivity { // Initialize variables Button btSelect; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Assign variable btSelect=findViewById(R.id.bt_select); btSelect.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // Check condition if(ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { // When permission is not granted // Request permission ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.READ_EXTERNAL_STORAGE} ,1); } else { // When permission is granted // Create method selectVideo(); } } }); } private void selectVideo() { // Initialize intent Intent intent=new Intent(Intent.ACTION_PICK); // set type intent.setType("video/*"); // start activity result startActivityForResult(Intent.createChooser(intent,"Select Video"),100); } @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); // Check condition if(requestCode==1 && grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { // When permission is granted // Call method selectVideo(); } else { // When permission is denied // Display toast Toast.makeText(getApplicationContext() ,"Permission denied",Toast.LENGTH_SHORT).show(); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); // Check condition if(requestCode==100 && resultCode==RESULT_OK && data!=null) { // When result code is okay // Initialize uri Uri uri=data.getData(); // Initialize intent Intent intent=new Intent(this,MainActivity2.class); // Put extra intent.putExtra("uri",uri.toString()); // Start activity startActivity(intent); } }} |
Go to the MainActivity2.java file and refer to the following code. Below is the code for the MainActivity2.java file. Comments are added inside the code to understand the code in more detail.
Java
package com.example.videointent; import androidx.appcompat.app.AppCompatActivity; import android.net.Uri;import android.os.Bundle;import android.widget.VideoView; public class MainActivity2 extends AppCompatActivity { // Initialize variables VideoView videoView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main2); // Assign variables videoView=findViewById(R.id.video_view); // Get data from main activity Bundle bundle=getIntent().getExtras(); // Check condition if(bundle!=null) { // When bundle not equal to null // Initialize uri Uri uri=Uri.parse(bundle.getString("uri")); // Set video uri videoView.setVideoURI(uri); // Start video videoView.start(); } }} |
Here is the final output of our application.
Output:
