roughly Benefit from multi-window and exercise embedding | by Roberto Orgiú | Android Builders | March 2023
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With Android 12L, we’re striving to enhance apps on huge screens, and with Android 13 we’re introducing extra new alternatives to reinforce the expertise you’ll be able to present to your customers. In a world with extra display screen area, multitasking is essential, and listed here are two methods you’ll be able to reap the benefits of it:
You most likely already know that your customers can simply entry multi-window mode with a easy gesture, however you’ll be able to launch multi-window mode your self utilizing the Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT flag within the intent used to launch the goal software:
This operate will begin OtherActivity adjoining to yours in multi-window, so you’ll be able to reap the benefits of multitasking. One phrase of recommendation: this can work on all gadgets operating Android 7 and above, and can break up the display screen into two halves, both vertically or horizontally, relying on the gadget. Additionally, beginning with Android 12L, utilizing the resizableActivity="true"flag is not going to decide out of getting a number of home windows.
A number of apps means a number of architectures, however there could also be circumstances the place it’s essential launch one other app from yours for various and worthwhile causes. For instance, your enterprise could concentrate on completely different providers that may work collectively, similar to a file supervisor and spreadsheet app, information studying and sports activities information app, media streaming and chat app, and many others.
You are most likely already accustomed to embedding actions (if you happen to’re not, make sure you try this talk), and in Android 13, we launched the flexibility to launch actions from different apps as in the event that they originated from your individual app.
As a result of embedding actions from different apps makes them look like a part of your app, there are extra safety necessities for utilizing this type of embedding. First, permitting the embedding of actions in apps is an non-obligatory characteristic, which implies that the embedded app should take steps to combine.
The built-in software can select to:
- permit any and all purposes to embed the exercise and carry out any belief checks at runtime
- embedding a listing of certificates in XML sources and Android will solely permit apps signed with a kind of certificates to embed it
In it sample on github, you will see the way to permit any app to embed yours and the way to embed an exterior app into yours. However on this instance, no safety verify will likely be carried out because the aim of this submit is to elucidate how the API works and how one can repair any points that will come up.
Let’s begin from the app you need to embed. To permit everybody to embed an exercise, it’s essential make the exercise seen from exterior the APK. Due to this fact, you should set the exported flag to true, and it’s essential add the next line to the manifest, so it seems to be like this:
The final line is the one which tells Android that your exercise could be embedded.
Word: Bear in mind, for the needs of this weblog submit, you aren’t configuring any safety measures.
Now that you’ve got your app able to embed, it is time to embed it in one other app of yours!
For the sake of readability, you’ll be able to consider the embedded app because the visitor and the embedded app because the host.
The very first thing it’s essential do is add the next dependencies to the host software construct.gradlearchive:
Subsequent, it’s essential create a break up configuration that lets you outline what Exercise you need to embed utilizing your certified title:
He SplitPairRule defines the conduct of the 2 actions when one ends, guaranteeing the navigation you need. On this case, if the host’s exercise ends, the visitor may also finish, nevertheless it will not be the identical if the visitor ends first. The rule then defines the breakpoint to show the actions facet by facet, which is 600dp on this case. Lastly, it defines the division relationship from 0 to 1; 0.3 implies that the host exercise will occupy 30% of the obtainable area on the display screen and the visitor exercise will occupy the remainder of the obtainable area.
He SplitPairFilter defines which actions are concerned, utilizing the straightforward title for the host and the total title for the visitor.
Moreover, you’ll be able to declare a placeholder that will likely be introduced earlier than the visitor exercise begins or after it ends, utilizing the SplitPlaceholderRule:
At this level, it’s essential create the startup initializer that can load the break up configuration:
Then it’s essential add the initializer to the AndroidManifest host software file to make it discoverable:
The very last thing it’s best to do is name the visitor. Exercisefrom the host software:
For extra data on including actions, see the sample on githubhe video of Android Dev Summit ’22, and the activity embedding developer information.
I hope the article very almost Benefit from multi-window and exercise embedding | by Roberto Orgiú | Android Builders | March 2023
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