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Playing MP4 video in WebView using HTML5 in Android
To play MP4 videos in Android WebView using HTML5, you need to enable JavaScript, DOM storage, and configure proper video handling. This requires both Android configuration and HTML5 video implementation.
Android WebView Configuration
First, configure your WebView settings to support HTML5 video playback:
// Enable JavaScript and DOM storage WebSettings webSettings = webView.getSettings(); webSettings.setJavaScriptEnabled(true); webSettings.setDomStorageEnabled(true); webSettings.setAllowFileAccess(true); webSettings.setAllowContentAccess(true); webSettings.setMediaPlaybackRequiresUserGesture(false); // Enable hardware acceleration webView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
HTML5 Video Implementation
Create an HTML page with HTML5 video element to play MP4 files:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
video {
width: 100%;
height: auto;
}
</style>
</head>
<body>
<video id="myVideo" controls>
<source src="file:///android_asset/video.mp4" type="video/mp4">
Your browser does not support the video tag.
</video>
<script>
const video = document.getElementById('myVideo');
video.addEventListener('loadstart', function() {
console.log('Video loading started');
});
video.addEventListener('canplay', function() {
console.log('Video can start playing');
});
video.addEventListener('error', function(e) {
console.log('Video error:', e);
});
</script>
</body>
</html>
Android Manifest Permissions
Add necessary permissions in your AndroidManifest.xml:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<application
android:hardwareAccelerated="true"
android:usesCleartextTraffic="true">
<activity android:name=".MainActivity"
android:configChanges="orientation|screenSize" />
</application>
Loading Video in WebView
Load the HTML content in your WebView:
// Load HTML string
String htmlContent = "your HTML content here";
webView.loadDataWithBaseURL("file:///android_asset/", htmlContent, "text/html", "UTF-8", null);
// Or load from assets
webView.loadUrl("file:///android_asset/video_player.html");
// For external URLs
webView.loadUrl("https://example.com/video.html");
Video Source Options
| Source Type | Path Format | Use Case |
|---|---|---|
| Assets folder | file:///android_asset/video.mp4 | Bundled with app |
| External storage | file:///storage/emulated/0/video.mp4 | User downloads |
| Online URL | https://example.com/video.mp4 | Streaming content |
Common Issues and Solutions
Handle common video playback issues:
// Check video support
function checkVideoSupport() {
const video = document.createElement('video');
const canPlay = video.canPlayType('video/mp4');
if (canPlay === 'probably' || canPlay === 'maybe') {
console.log('MP4 supported');
return true;
} else {
console.log('MP4 not supported');
return false;
}
}
// Retry loading on error
video.addEventListener('error', function() {
console.log('Retrying video load...');
setTimeout(() => {
video.load();
}, 2000);
});
Conclusion
Playing MP4 videos in Android WebView requires proper WebView configuration, HTML5 video implementation, and appropriate permissions. Use assets folder for bundled videos or external URLs for streaming content.
Updated on: 2026-03-15T23:18:59+05:30
1K+ Views
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