Send simple data to other apps

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Android uses intents and their associated extras to let users share information quickly and easily using their favorite apps.

Android provides two ways for users to share data between apps:

• The Android Sharesheet is primarily designed for sending content outside your app and/or directly to another user. For example, sharing a URL with a friend.
• The Android intent resolver is best suited for passing data to the next stage of a well-defined task. For example, opening a PDF from your app and letting users pick their preferred viewer.

When you construct an intent, you specify the action you want the intent to perform. Android uses the action ACTION_SEND to send data from one activity to another, even across process boundaries. You need to specify the data and its type. The system automatically identifies the compatible activities that can receive the data and displays them to the user. In the case of the intent resolver, if only one activity can handle the intent, that activity immediately starts.

Why to use the Android Sharesheet

We strongly recommend using the Android Sharesheet to create consistency for your users across apps. Don't display your app's own list of share targets or create your own Sharesheet variations.

The Android Sharesheet lets users share information with the right person, with relevant app suggestions, all with a single tap. The Sharesheet can suggest targets unavailable to custom solutions and uses a consistent ranking. This is because the Sharesheet can take into account information about app and user activity that is only available to the system.

The Android Sharesheet also has many handy features for developers. For example, you can do the following:

• Find out when your users complete a share and to where
• Add a custom ChooserTarget and app targets
• Provide rich text content previews, starting in Android 10 (API level 29)
• Exclude targets matching specific component names

Use the Android Sharesheet

For all types of sharing, create an intent and set its action to Intent.ACTION_SEND. To display the Android Sharesheet, call Intent.createChooser(), passing it your Intent object. It returns a version of your intent that always displays the Android Sharesheet.

Send text content

The most straightforward and common use of the Android Sharesheet is to send text content from one activity to another. For example, most browsers can share the URL of the currently displayed page as text with another app. This is useful for sharing an article or website with friends through email or social networking. Here's an example of how to do this:

val sendIntent: Intent = Intent().apply {
    action = Intent.ACTION_SEND
    putExtra(Intent.EXTRA_TEXT, "This is my text to send.")
    type = "text/plain"
}

val shareIntent = Intent.createChooser(sendIntent, null)
startActivity(shareIntent)

Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send.");
sendIntent.setType("text/plain");

Intent shareIntent = Intent.createChooser(sendIntent, null);
startActivity(shareIntent);

Optionally, you can add extras to include more information, such as email recipients (EXTRA_EMAIL, EXTRA_CC, EXTRA_BCC), the email subject (EXTRA_SUBJECT), etc.

Note: Some email apps, such as Gmail, expect a String[] for extras like EXTRA_EMAIL and EXTRA_CC. Use putExtra(String, String[]) to add these to your intent.

Send binary content

Share binary data using the ACTION_SEND action. Set the appropriate MIME type and place a URI to the data in the extra EXTRA_STREAM, as shown in the following example. This is commonly used to share an image but can be used to share any type of binary content.

val shareIntent: Intent = Intent().apply {
    action = Intent.ACTION_SEND
    // Example: content://com.google.android.apps.photos.contentprovider/...
    putExtra(Intent.EXTRA_STREAM, uriToImage)
    type = "image/jpeg"
}
startActivity(Intent.createChooser(shareIntent, null))

Intent shareIntent = new Intent();
shareIntent.setAction(Intent.ACTION_SEND);
// Example: content://com.google.android.apps.photos.contentprovider/...
shareIntent.putExtra(Intent.EXTRA_STREAM, uriToImage);
shareIntent.setType("image/jpeg");
startActivity(Intent.createChooser(shareIntent, null));

The receiving application needs permission to access the data the Uri points to. There are two recommended ways to do this:

• Store the data in your own ContentProvider, making sure that other apps have the correct permission to access your provider. The preferred mechanism for providing access is to use per-URI permissions, which are temporary and only grant access to the receiving application. An easy way to create a ContentProvider like this is to use the FileProvider helper class.
• Use the system MediaStore. The MediaStore is primarily for video, audio, and image MIME types. However, beginning with Android 3.0 (API level 11), it can also store non-media types. For more information, see MediaStore.Files. Files can be inserted into the MediaStore using scanFile(), after which a content://-style Uri suitable for sharing is passed to the provided onScanCompleted() callback. Note that once added to the system MediaStore, the content is accessible to any app on the device.

Use the right MIME type

Provide the most specific MIME type available for the data you’re sending. For example, use text/plain when sharing plain text. Here are a few common MIME types when sending simple data in Android:

For more information about MIME types, see the IANA official registry of MIME media types.

The Android Sharesheet might show a content preview, depending on the provided MIME type. Some preview features are only available for specific types.

Share multiple pieces of content

To share multiple pieces of content, use the ACTION_SEND_MULTIPLE action together with a list of URIs pointing to the content. The MIME type varies according to the mix of content you're sharing. For example, if you share three JPEG images, you use the type "image/jpg". For a mixture of image types, use "image/*" to match an activity that handles any type of image. While it's possible to share a mix of types, we highly discourage this, because it's unclear to the receiver what is intended to be sent. If it's necessary to send multiple types, use "*/*". It's up to the receiving application to parse and process your data. Here's an example:

val imageUris: ArrayList<Uri> = arrayListOf(
        // Add your image URIs here
        imageUri1,
        imageUri2
)

val shareIntent = Intent().apply {
    action = Intent.ACTION_SEND_MULTIPLE
    putParcelableArrayListExtra(Intent.EXTRA_STREAM, imageUris)
    type = "image/*"
}
startActivity(Intent.createChooser(shareIntent, null))

ArrayList<Uri> imageUris = new ArrayList<Uri>();
imageUris.add(imageUri1); // Add your image URIs here
imageUris.add(imageUri2);

Intent shareIntent = new Intent();
shareIntent.setAction(Intent.ACTION_SEND_MULTIPLE);
shareIntent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, imageUris);
shareIntent.setType("image/*");
startActivity(Intent.createChooser(shareIntent, null));

Be sure the provided Uri objects point to data that a receiving application can access.

Add rich content to text previews

Starting in Android 10 (API level 29), the Android Sharesheet shows a preview of text being shared. In some cases, text that's being shared can be hard to understand. Consider sharing a complicated URL like https://www.google.com/search?ei=2rRVXcLkJajM0PEPoLy7oA4. A richer preview can reassure your users what is being shared.

If you are previewing text, you can set a title, a thumbnail image, or both. Add a description to Intent.EXTRA_TITLE before calling Intent.createChooser(), and add a relevant thumbnail using ClipData.

Note: The image content URI is provided from a FileProvider, usually from a configured <cache-path>. For more information, see Sharing files. Be sure to give Sharesheet the right permissions to read any image you want use as a thumbnail. For more information, see Intent.FLAG_GRANT_READ_URI_PERMISSION.

Here's an example:

 val share = Intent.createChooser(Intent().apply {
      action = Intent.ACTION_SEND
      putExtra(Intent.EXTRA_TEXT, "https://developer.android.com/training/sharing/")

      // (Optional) Here you're setting the title of the content
      putExtra(Intent.EXTRA_TITLE, "Introducing content previews")

      // (Optional) Here you're passing a content URI to an image to be displayed
      data = contentUri
      flags = Intent.FLAG_GRANT_READ_URI_PERMISSION
  }, null)
  startActivity(share)

Intent sendIntent = new Intent(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, "https://developer.android.com/training/sharing/");

// (Optional) Here you're setting the title of the content
sendIntent.putExtra(Intent.EXTRA_TITLE, "Introducing content previews");

// (Optional) Here you're passing a content URI to an image to be displayed
sendIntent.setData(contentUri);
sendIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

// Show the Sharesheet
startActivity(Intent.createChooser(sendIntent, null));

The preview looks something like this:

Add custom actions to the sharesheet

Screenshot of custom actions on the Android Sharesheet.

On Android 14 (API Level 34) and above, apps can add custom actions to the Android Sharesheet. The custom actions are shown as small action icons at the top of the Android Sharesheet, and apps can specify any Intent as the action invoked when the icon is clicked.

To add custom actions on the Android Sharesheet, first create a ChooserAction with ChooserAction.Builder. You can specify a PendingIntent as the action invoked when the icon is clicked. Create an array containing all of your custom actions and specify it as EXTRA_CHOOSER_CUSTOM_ACTIONS of the share Intent.

val sendIntent = Intent(Intent.ACTION_SEND)
    .setType("text/plain")
    .putExtra(Intent.EXTRA_TEXT, text)
val shareIntent = Intent.createChooser(sendIntent, null)
val customActions = arrayOf(
    ChooserAction.Builder(
        Icon.createWithResource(context, R.drawable.ic_custom_action),
        "Custom",
        PendingIntent.getBroadcast(
            context,
            1,
            Intent(Intent.ACTION_VIEW),
            PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_CANCEL_CURRENT
        )
    ).build()
)
shareIntent.putExtra(Intent.EXTRA_CHOOSER_CUSTOM_ACTIONS, customActions)
context.startActivity(shareIntent)

Intent sendIntent = new Intent(Intent.ACTION_SEND)
        .setType("text.plain")
        .putExtra(Intent.EXTRA_TEXT, text);
Intent shareIntent = Intent.createChooser(sendIntent, null);
ChooserAction[] actions = new ChooserAction[]{
        new ChooserAction.Builder(
                Icon.createWithResource(context, R.drawable.ic_custom_action),
                "Custom",
                PendingIntent.getBroadcast(
                        context,
                        1,
                        new Intent(Intent.ACTION_VIEW),
                        PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_CANCEL_CURRENT
                )
        ).build()
};
shareIntent.putExtra(Intent.EXTRA_CHOOSER_CUSTOM_ACTIONS, actions);
context.startActivity(shareIntent);

Add custom targets

The Android Sharesheet lets you specify up to two ChooserTarget objects that are shown before the sharing shortcuts and chooser targets loaded from ChooserTargetServices. You can also specify up to two intents pointing to activities that are listed before the app suggestions:

Add Intent.EXTRA_CHOOSER_TARGETS and Intent.EXTRA_INITIAL_INTENTS to your share Intent after calling Intent.createChooser():

val share = Intent.createChooser(myShareIntent, null).apply {
    putExtra(Intent.EXTRA_CHOOSER_TARGETS, myChooserTargetArray)
    putExtra(Intent.EXTRA_INITIAL_INTENTS, myInitialIntentArray)
}

Intent shareIntent = Intent.createChooser(sendIntent, null);
share.putExtra(Intent.EXTRA_CHOOSER_TARGETS, myChooserTargetArray);
share.putExtra(Intent.EXTRA_INITIAL_INTENTS, myInitialIntentArray);

Use this feature with care. Every custom Intent and ChooserTarget that you add reduces the number the system suggests. We generally discourage adding custom targets. A common appropriate example of adding Intent.EXTRA_INITIAL_INTENTS is to provide additional actions users can take on shared content. For example, a user shares images and Intent.EXTRA_INITIAL_INTENTS is used to let them send a link instead. A common appropriate example of adding Intent.EXTRA_CHOOSER_TARGETS is to surface relevant people or devices that your app provides.

Exclude specific targets by component

You can exclude specific targets by providing Intent.EXTRA_EXCLUDE_COMPONENTS. Only do this to remove targets you have control over. A common use case is to hide your app’s share targets when your users share from within your app, as their intent is likely to share outside your app.

Add Intent.EXTRA_EXCLUDE_COMPONENTS to your intent after calling Intent.createChooser():

  val share = Intent.createChooser(Intent(), null).apply {
    // Only use for components you have control over
    val excludedComponentNames = arrayOf(ComponentName("com.example.android", "ExampleClass"))
    putExtra(Intent.EXTRA_EXCLUDE_COMPONENTS, excludedComponentNames)
  }

  Intent shareIntent = Intent.createChooser(new Intent(), null);
  // Only use for components you have control over
  ComponentName[] excludedComponentNames = {
          new ComponentName("com.example.android", "ExampleClass")
  };
  shareIntent.putExtra(Intent.EXTRA_EXCLUDE_COMPONENTS, excludedComponentNames);

Get information about sharing

It can be useful to know when your users are sharing and what target they select. The Android Sharesheet lets you get this information by providing the ComponentName of targets your users select using an IntentSender.

First create a PendingIntent for a BroadcastReceiver and supply its IntentSender in Intent.createChooser():

var share = Intent(Intent.ACTION_SEND)
// ...
val pi = PendingIntent.getBroadcast(
    myContext, requestCode,
    Intent(myContext, MyBroadcastReceiver::class.java),
    PendingIntent.FLAG_MUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
)
share = Intent.createChooser(share, null, pi.intentSender)

Intent share = new Intent(ACTION_SEND);
...
PendingIntent pi = PendingIntent.getBroadcast(myContext, requestCode,
        new Intent(myContext, MyBroadcastReceiver.class),
        PendingIntent.FLAG_MUTABLE | PendingIntent.FLAG_UPDATE_CURRENT);
share = Intent.createChooser(share, null, pi.getIntentSender());

Receive the callback in MyBroadcastReceiver and look in Intent.EXTRA_CHOSEN_COMPONENT:

override fun onReceive(context: Context, intent: Intent) {
  ...
  val clickedComponent : ComponentName = intent.getParcelableExtra(EXTRA_CHOSEN_COMPONENT);
}

@Override public void onReceive(Context context, Intent intent) {
  ...
  ComponentName clickedComponent = intent.getParcelableExtra(EXTRA_CHOSEN_COMPONENT);
}

Add custom actions to the sharesheet

On Android 14 (API Level 34) and above, apps can add custom actions to the Android Sharesheet. Create a ChooserAction with ChooserAction.Builder. You can specify a PendingIntent as the action invoked when the icon is clicked. Create an array containing all of your custom actions and specify it as EXTRA_CHOOSER_CUSTOM_ACTIONS of the share Intent.

val sendIntent = Intent(Intent.ACTION_SEND)
    .setType("text/plain")
    .putExtra(Intent.EXTRA_TEXT, text)
val shareIntent = Intent.createChooser(sendIntent, null)
val customActions = arrayOf(
    ChooserAction.Builder(
        Icon.createWithResource(context, R.drawable.ic_custom_action),
        "Custom",
        PendingIntent.getBroadcast(
            context,
            1,
            Intent(Intent.ACTION_VIEW),
            PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_CANCEL_CURRENT
        )
    ).build()
)
shareIntent.putExtra(Intent.EXTRA_CHOOSER_CUSTOM_ACTIONS, customActions)
context.startActivity(shareIntent)

Intent sendIntent = new Intent(Intent.ACTION_SEND)
        .setType("text.plain")
        .putExtra(Intent.EXTRA_TEXT, text);
Intent shareIntent = Intent.createChooser(sendIntent, null);
ChooserAction[] actions = new ChooserAction[]{
        new ChooserAction.Builder(
                Icon.createWithResource(context, R.drawable.ic_custom_action),
                "Custom",
                PendingIntent.getBroadcast(
                        context,
                        1,
                        new Intent(Intent.ACTION_VIEW),
                        PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_CANCEL_CURRENT
                )
        ).build()
};
shareIntent.putExtra(Intent.EXTRA_CHOOSER_CUSTOM_ACTIONS, actions);
context.startActivity(shareIntent);

Use the Android intent resolver

Screenshot of ACTION_SEND intent resolver.

The Android intent resolver is best used when sending data to another app as part of a well-defined task flow.

To use the Android intent resolver, create an intent and add extras as you would to call the Android Sharesheet. However, don't call Intent.createChooser().

If there are multiple installed applications with filters that match ACTION_SEND and the MIME type, the system displays a disambiguation dialog called the intent resolver that lets the user choose a target to share to. If a single application matches, it runs.

Here is an example of how to use the Android intent resolver to send text:

val sendIntent: Intent = Intent().apply {
    action = Intent.ACTION_SEND
    putExtra(Intent.EXTRA_TEXT, "This is my text to send.")
    type = "text/plain"
}
startActivity(sendIntent)

Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send.");
sendIntent.setType("text/plain");
startActivity(sendIntent);

Learn more

For more information about sending data, see Intents and Intent Filters.