Update the doc for the MediaProjectionManager#getMediaProjection

So it reflects the latest requirement from Android U regarding
the mediaProjection FGS permission, which was introduced in
the I1e5b58ddea232fecaaa5ed513276a62c72429a0b.

Bug: 269758761
Test: m offline-sdk-docs
Change-Id: I9b52f2227e7745886a238a3ef96f704d32788dd9
This commit is contained in:
Jing Ji
2023-03-14 18:33:35 -07:00
parent 836eac8a78
commit f6f3136e8b

View File

@@ -35,6 +35,27 @@ import java.util.Map;
/**
* Manages the retrieval of certain types of {@link MediaProjection} tokens.
*
* <p><ol>An example flow of starting a media projection will be:
* <li>Declare a foreground service with the type {@code mediaProjection} in
* the {@code AndroidManifest.xml}.
* </li>
* <li>Create an intent by calling {@link MediaProjectionManager#createScreenCaptureIntent()}
* and pass this intent to {@link Activity#startActivityForResult(Intent, int)}.
* </li>
* <li>On getting {@link Activity#onActivityResult(int, int, Intent)},
* start the foreground service with the type
* {@link android.content.pm.ServiceInfo#FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION}.
* </li>
* <li>Retrieve the media projection token by calling
* {@link MediaProjectionManager#getMediaProjection(int, Intent)} with the result code and
* intent from the {@link Activity#onActivityResult(int, int, Intent)} above.
* </li>
* <li>Start the screen capture session for media projection by calling
* {@link MediaProjection#createVirtualDisplay(String, int, int, int, int, Surface,
* android.hardware.display.VirtualDisplay.Callback, Handler)}.
* </li>
* </ol>
*/
@SystemService(Context.MEDIA_PROJECTION_SERVICE)
public final class MediaProjectionManager {
@@ -170,6 +191,17 @@ public final class MediaProjectionManager {
* <a href="/guide/topics/manifest/service-element"><code>&lt;service&gt;</code></a> element of
* the app's manifest file.
* </p>
* <p>
* For an app targeting SDK version {@link android.os.Build.VERSION_CODES#UPSIDE_DOWN_CAKE U} or
* later, the user must have granted the app with the permission to start a projection,
* before the app starts a foreground service with the type
* {@link android.content.pm.ServiceInfo#FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION}.
* Additionally, the app must have started the foreground service with that type before calling
* this API here, or else it'll receive a {@link SecurityException} from this API call, unless
* it's a privileged app. Apps can request the permission via the
* {@link #createScreenCaptureIntent()} and {@link Activity#startActivityForResult(Intent, int)}
* (or similar APIs).
* </p>
*
* @param resultCode The result code from {@link Activity#onActivityResult(int, int, Intent)
* onActivityResult(int, int, Intent)}.