am d50a6f8e: docs: Updates to L Developer Preview Highlights.

media playback control from the lockscreen through a media notification. This

gives your app more control over the presentation of media buttons, while

providing a consistent experience for users across the lockscreen and

the unlocked device.</p>

unlocked device.</p>

<p>You must call {@code Notification.Builder.setVisibility(Notification.VISIBILITY_PUBLIC)} to mark your media notification as safe to reveal, even when the lockscreen is secured

with a PIN, pattern, or password.</p>

UI elements with {@code android.view.Window.setStatusBarColor()}.

</ul>

<p>To learn more about adding material design functionality to your app, see

<a href="{@docRoot}preview/quantum/index.html">Material design on Android</a>.</p>

<a href="{@docRoot}preview/material/index.html">Material design on Android</a>.</p>

<h3 id="LockscreenNotifications">Lockscreen notifications</h3>

<p>Lockscreens in L Developer Preview have the ability to present notifications.

<ul>

<li>Android Beam is now available in the share menu.

<li>Support for the <a href="http://www.wi-fi.org/discover-wi-fi/wi-fi-direct">Wi-fi Direct standard</a>.

<li>Your app can invoke the Android Beam on the user’s device to share data by

calling {@code android.nfc.NfcAdapter.invokeBeam()}. This avoids the need for

the user to manually tap the device against another NFC-capable device to

<h3 id="JobScheduler">Scheduling jobs</h3>

<p>The L Developer Preview provides a new {@code android.app.job.JobScheduler}

API that lets you define jobs for the system to run asynchronously at a later

time that optimizes battery life, such as when the device is charging. This is

API that lets you optimize battery life by defining jobs for the system to run

asynchronously at a later time, such as when the device is charging. This is

useful when you want to defer non user-facing units of work, have application

code that accesses the network, or want to run a number of tasks as a batch on

a regular schedule.</p>

<li>App UID aggregated statistics

</ul>

<p>Use the {@code --help} option to learn about the various options that you

can apply for tailoring the output. For example, to run the tool to print

battery usage statistics since the device was last charged for a given app

package, run this command:

<p>Use the {@code --help} option to learn about the various options for

tailoring the output. For example, to run the tool to print battery usage

statistics since the device was last charged for a given app package, run this

command:

<pre>

$ adb shell dumpsys batterystats --charged <package-name>

</pre>