diff options
Diffstat (limited to 'docs/html/training/auto/audio/index.jd')
| -rw-r--r-- | docs/html/training/auto/audio/index.jd | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/docs/html/training/auto/audio/index.jd b/docs/html/training/auto/audio/index.jd index 2656b96..aa25769 100644 --- a/docs/html/training/auto/audio/index.jd +++ b/docs/html/training/auto/audio/index.jd @@ -301,31 +301,30 @@ look like this:</p> public BrowserRoot onGetRoot(String clientPackageName, int clientUid, Bundle rootHints) { - // Check the calling client to make sure it's one you approve. - // For example, to limit access to just Auto, the Auto emulator, - // and this app: - - if (!clientPackageName.equals("com.google.android.projection.gearhead") && - !clientPackageName.equals("com.example.android.media") && - !clientPackageName.equals(getApplication().getPackageName()) { - + // To ensure you are not allowing any arbitrary app to browse your app's + // contents, you need to check the origin: + if (!PackageValidator.isCallerAllowed(this, clientPackageName, clientUid)) { // If the request comes from an untrusted package, return null. // No further calls will be made to other media browsing methods. + LogHelper.w(TAG, "OnGetRoot: IGNORING request from untrusted package " + + clientPackageName); return null; - } - - // Return a BrowserRoot. If you wish, you could have multiple BrowserRoot - // objects and return different ones depending on the calling client. - // In this example, there's just a single BrowserRoot. - return new BrowserRoot(MEDIA_BROWSER_ROOT, null); } + if (ANDROID_AUTO_PACKAGE_NAME.equals(clientPackageName)) { + // Optional: if your app needs to adapt ads, music library or anything + // else that needs to run differently when connected to the car, this + // is where you should handle it. + } + return new BrowserRoot(MEDIA_ID_ROOT, null); +} </pre> <p> The Auto device client builds the top-level menu by calling {@link - android.service.media.MediaBrowserService#onLoadChildren onLoadChildren()} with the root node - object and getting it's children. The client builds submenus by calling the same method with - other child nodes. The following example code shows a simple implementation of {@link + android.service.media.MediaBrowserService#onLoadChildren onLoadChildren()} + with the root node object and getting it's children. The client builds + submenus by calling the same method with other child nodes. The following + example code shows a simple implementation of {@link android.service.media.MediaBrowserService#onLoadChildren onLoadChildren()} method: </p> |