feat(mobile): add file association support #14486
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,9 @@ | ||
| --- | ||
| "tauri": minor:feat | ||
| "tauri-build": minor:feat | ||
| "tauri-plugin": minor:feat | ||
| "tauri-cli": minor:feat | ||
| "tauri-bundler": minor:feat | ||
| --- | ||
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| Implement file association for Android and iOS. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| --- | ||
| "tauri": minor:feat | ||
| "tauri-runtime": minor:feat | ||
| "tauri-runtime-wry": minor:feat | ||
| --- | ||
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| Trigger `RunEvent::Opened` on Android. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2,11 +2,130 @@ | |
| // SPDX-License-Identifier: Apache-2.0 | ||
| // SPDX-License-Identifier: MIT | ||
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| use std::{collections::HashSet, path::PathBuf}; | ||
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| use anyhow::{Context, Result}; | ||
| use tauri_utils::write_if_changed; | ||
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| /// Updates the Android manifest to add file association intent filters | ||
| pub fn update_android_manifest_file_associations( | ||
| associations: &[tauri_utils::config::FileAssociation], | ||
| ) -> Result<()> { | ||
| if associations.is_empty() { | ||
| return Ok(()); | ||
| } | ||
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| let intent_filters = generate_file_association_intent_filters(associations); | ||
| tauri_utils::build::update_android_manifest("tauri-file-associations", "activity", intent_filters) | ||
| } | ||
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| fn generate_file_association_intent_filters( | ||
| associations: &[tauri_utils::config::FileAssociation], | ||
| ) -> String { | ||
| let mut filters = String::new(); | ||
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| for association in associations { | ||
| // Get mime types - use explicit mime_type, or infer from extensions | ||
| let mut mime_types = HashSet::new(); | ||
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| if let Some(mime_type) = &association.mime_type { | ||
| mime_types.insert(mime_type.clone()); | ||
| } else { | ||
| // Infer mime types from extensions | ||
| for ext in &association.ext { | ||
| if let Some(mime) = extension_to_mime_type(&ext.0) { | ||
| mime_types.insert(mime); | ||
| } | ||
| } | ||
| } | ||
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| // If we have mime types, create intent filters | ||
| if !mime_types.is_empty() { | ||
| for mime_type in &mime_types { | ||
| filters.push_str("<intent-filter>\n"); | ||
| filters.push_str(" <action android:name=\"android.intent.action.SEND\" />\n"); | ||
| filters.push_str(" <action android:name=\"android.intent.action.SEND_MULTIPLE\" />\n"); | ||
| filters.push_str(" <category android:name=\"android.intent.category.DEFAULT\" />\n"); | ||
| filters.push_str(" <category android:name=\"android.intent.category.BROWSABLE\" />\n"); | ||
|
Contributor
There was a problem hiding this comment. We are missing
Contributor
There was a problem hiding this comment. From Android Docs:
This is related to deep-linking not file association. Does this need to be handled differently? How will this interact with the deep-link plugin? |
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| filters.push_str(&format!( | ||
| " <data android:mimeType=\"{}\" />\n", | ||
| mime_type | ||
| )); | ||
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| // Add file scheme and path patterns for extensions | ||
| if !association.ext.is_empty() { | ||
| // Create path patterns for each extension | ||
| // Android's pathPattern needs \\. (double backslash-dot) in XML to match a literal dot | ||
| let path_patterns: Vec<String> = association | ||
| .ext | ||
| .iter() | ||
| .map(|ext| format!(".*\\\\.{}", ext.0)) | ||
|
Contributor
There was a problem hiding this comment. Android's pathPattern has known limitations e.g. Doesn't match paths with multiple dots (e.g., file.backup.png). Workarounds:
<data android:pathPattern=".*\\.png" />
<data android:pathPattern=".*\\..*\\.png" />
<data android:pathPattern=".*\\..*\\..*\\.png" />
<intent-filter>
<action android:name="android.intent.action.SEND" />
<data android:mimeType="image/png" />
<!-- No pathPattern - rely on MIME type -->
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<data android:scheme="file" />
<data android:scheme="content" />
<data android:mimeType="image/png" />
</intent-filterIf filters are not generated properly, the only way forward is then to use a wildcard (*) filter which associates the app with all file/MIME types - this is not an ideal UX experience. |
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| .collect(); | ||
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| for pattern in &path_patterns { | ||
| filters.push_str(&format!( | ||
| " <data android:pathPattern=\"{}\" />\n", | ||
| pattern | ||
| )); | ||
| } | ||
| } | ||
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| filters.push_str("</intent-filter>\n"); | ||
| } | ||
| } else if !association.ext.is_empty() { | ||
| // If no mime type but we have extensions, use a generic approach | ||
| filters.push_str("<intent-filter>\n"); | ||
| filters.push_str(" <action android:name=\"android.intent.action.VIEW\" />\n"); | ||
| filters.push_str(" <category android:name=\"android.intent.category.DEFAULT\" />\n"); | ||
| filters.push_str(" <category android:name=\"android.intent.category.BROWSABLE\" />\n"); | ||
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| for ext in &association.ext { | ||
| // Android's pathPattern needs \\. (double backslash-dot) in XML to match a literal dot | ||
| filters.push_str(&format!( | ||
| " <data android:pathPattern=\".*\\\\.{}\" />\n", | ||
| ext.0 | ||
| )); | ||
| } | ||
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| filters.push_str("</intent-filter>\n"); | ||
| } | ||
| } | ||
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| filters | ||
| } | ||
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| fn extension_to_mime_type(ext: &str) -> Option<String> { | ||
|
Contributor
There was a problem hiding this comment. While this covers ~25 file types it is important to include support for custom file extensions/MIME types. We need to be able to define these in tauri.conf.json for desktop/mobile so they are available to the builder in order to generate correct platform-specific metadata e.g. info.plist, AndroidManifest.xml. |
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| Some( | ||
| match ext.to_lowercase().as_str() { | ||
| "png" => "image/png", | ||
| "jpg" | "jpeg" => "image/jpeg", | ||
| "gif" => "image/gif", | ||
| "bmp" => "image/bmp", | ||
| "webp" => "image/webp", | ||
| "svg" => "image/svg+xml", | ||
| "ico" => "image/x-icon", | ||
| "tiff" | "tif" => "image/tiff", | ||
| "heic" | "heif" => "image/heic", | ||
| "mp4" => "video/mp4", | ||
| "mov" => "video/quicktime", | ||
| "avi" => "video/x-msvideo", | ||
| "mkv" => "video/x-matroska", | ||
| "mp3" => "audio/mpeg", | ||
| "wav" => "audio/wav", | ||
| "aac" => "audio/aac", | ||
| "m4a" => "audio/mp4", | ||
| "pdf" => "application/pdf", | ||
| "txt" => "text/plain", | ||
| "html" | "htm" => "text/html", | ||
| "json" => "application/json", | ||
| "xml" => "application/xml", | ||
| "rtf" => "application/rtf", | ||
| _ => return None, | ||
| } | ||
| .to_string(), | ||
| ) | ||
| } | ||
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| pub fn generate_gradle_files(project_dir: PathBuf) -> Result<()> { | ||
| let gradle_settings_path = project_dir.join("tauri.settings.gradle"); | ||
| let app_build_gradle_path = project_dir.join("app").join("tauri.build.gradle.kts"); | ||
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Tauri config has rank but this is not being used on Android.
{ "ext": ["png"], "mimeType": "image/png", "rank": "Owner" // ← This exists in config }Android can specify a priority on intent filters which is a signed integer between -1000 to 1000.