Merge "docs: Add more information for getting started with TV app" into lmp-docs

docs/html/training/tv/start/hardware.jd

@@ -85,27 +85,27 @@ if (uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_TELEVISION)
   </tr>
   <tr>
     <td>Touchscreen</td>
-    <td>android.hardware.touchscreen</td>
+    <td>{@code android.hardware.touchscreen}</td>
   </tr>
   <tr>
     <td>Telephony</td>
-    <td>android.hardware.telephony</td>
+    <td>{@code android.hardware.telephony}</td>
   </tr>
   <tr>
     <td>Camera</td>
-    <td>android.hardware.camera</td>
+    <td>{@code android.hardware.camera}</td>
   </tr>
   <tr>
     <td>Near Field Communications (NFC)</td>
-    <td>android.hardware.nfc</td>
+    <td>{@code android.hardware.nfc}</td>
   </tr>
   <tr>
     <td>GPS</td>
-    <td>android.hardware.location.gps</td>
+    <td>{@code android.hardware.location.gps}</td>
   </tr>
   <tr>
     <td>Microphone</td>
-    <td>android.hardware.microphone</td>
+    <td>{@code android.hardware.microphone}</td>
   </tr>
 </table>
 
@@ -142,20 +142,17 @@ if (uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_TELEVISION)
         android:required="false"/&gt;
 </pre>
 
-<p class="caution">
+<p>
-  <strong>Caution:</strong> Declaring an unavailable hardware feature as required by setting its
+  All apps intended for use on TV devices must declare that the touch screen feature is not required
-  value to {@code true} in your app manifest prevents your app from being installed on TV
+  as described in <a href="{@docRoot}training/tv/start/start.html#no-touchscreen">Get Started with
-  devices or appearing in the Android TV home screen launcher.
+  TV Apps</a>. If your app normally uses one or more of the features listed above, change the
+  {@code android:required} attribute setting to {@code false} for those features in your manifest.
 </p>
 
 <p class="caution">
-  <strong>Caution:</strong> Some <a href="{@docRoot}guide/topics/manifest/uses-permission-element.html">{@code uses-permission}</a> manifest declarations <em>imply hardware use</em>, which can also
+  <strong>Caution:</strong> Declaring a hardware feature as required by setting its
-  prevent your app from being installed and used on TV devices. For example, requesting the
+  value to {@code true}  prevents your app from being installed on TV
-  {@link android.Manifest.permission#RECORD_AUDIO} permission in your app implies the
+  devices or appearing in the Android TV home screen launcher.
-  {@code android.hardware.microphone} hardware feature requirement. In which case, you must declare
-  the microphone feature as not required ({@code android:required="false"}) in your app manifest.
-  For a list of permission requests that imply a hardware feature requirement, see <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html#permissions-features">
-  {@code uses-feature}</a> guide.
 </p>
 
 <p>
@@ -172,6 +169,52 @@ if (uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_TELEVISION)
 </p>
 
 
+<h3 id="hardware-permissions">Declaring permissions that imply hardware features</h3>
+
+<p>
+  Some <a href="{@docRoot}guide/topics/manifest/uses-permission-element.html">{@code uses-permission}</a>
+  manifest declarations <em>imply hardware features</em>. This behavior means that requesting some
+  permissions in your app manifest can exclude your app from from being installed and used on TV
+  devices. The following commonly requested permissions create an implicit hardware feature
+  requirement:
+</p>
+
+<table>
+  <tr>
+    <th>Permission</th>
+    <th>Implied hardware feature</th>
+  </tr>
+  <tr>
+    <td>{@link android.Manifest.permission#RECORD_AUDIO}</td>
+    <td>{@code android.hardware.microphone}</td>
+  </tr>
+  <tr>
+    <td>{@link android.Manifest.permission#CAMERA}</td>
+    <td>{@code android.hardware.camera} <em>and</em> <br>
+      {@code android.hardware.camera.autofocus}</td>
+  </tr>
+  <tr>
+    <td>{@link android.Manifest.permission#ACCESS_COARSE_LOCATION}</td>
+    <td>{@code android.hardware.location} <em>and</em> <br>
+      {@code android.hardware.location.network}</td>
+  </tr>
+  <tr>
+    <td>{@link android.Manifest.permission#ACCESS_FINE_LOCATION}</td>
+    <td>{@code android.hardware.location} <em>and</em> <br>
+      {@code android.hardware.location.gps}</td>
+  </tr>
+</table>
+
+<p>
+  For a complete list of permission requests that imply a hardware feature requirement, see
+  <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html#permissions-features">{@code
+  uses-feature}</a> guide. If your app requests one of the features listed above, include a
+  <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html">{@code uses-feature}</a>
+  declaration in your manifest for the implied hardware feature that indicates it is not
+  required ({@code android:required="false"}).
+</p>
+
+
 <h3 id="check-features">Checking for hardware features</h2>
 
 <p>

docs/html/training/tv/start/start.jd

@@ -11,6 +11,7 @@ startpage=true
   <h2>This lesson teaches you how to</h2>
   <ol>
     <li><a href="#dev-project">Setup a TV Project</a></li>
+    <li><a href="#tv-libraries">Add TV Support Libraries</a></li>
     <li><a href="#build-it">Build TV Apps</a></li>
     <li><a href="#run">Run TV Apps</a></li>
   </ol>
@@ -86,17 +87,10 @@ startpage=true
 
 <p>An application intended to run on TV devices must declare a launcher activity for TV
   in its manifest using a {@link android.content.Intent#CATEGORY_LEANBACK_LAUNCHER} intent filter.
-  This filter identifies your app as being enabled for TV, allowing it to be considered a TV app
+  This filter identifies your app as being enabled for TV, and is required for your app to be
-  in Google Play. Declaring this intent also identifies which activity
+  considered a TV app in Google Play. Declaring this intent also identifies which activity
   in your app to launch when a user selects its icon on the TV home screen.</p>
 
-<p class="caution">
-  <strong>Caution:</strong> If you do not include the {@link android.content.Intent#CATEGORY_LEANBACK_LAUNCHER} intent filter in
-  your app, it is not visible to users running the Google Play store on TV devices. Also, if your
-  app does not have this filter when you load it onto a TV device using developer tools, the app
-  does not appear in the TV user interface.
-</p>
-
 <p>The following code snippet shows how to include this intent filter in your manifest:</p>
 
 <pre>
@@ -132,6 +126,14 @@ startpage=true
   launch on a TV device.
 </p>
 
+<p class="caution">
+  <strong>Caution:</strong> If you do not include the
+  {@link android.content.Intent#CATEGORY_LEANBACK_LAUNCHER} intent filter in
+  your app, it is not visible to users running the Google Play store on TV devices. Also, if your
+  app does not have this filter when you load it onto a TV device using developer tools, the app
+  does not appear in the TV user interface.
+</p>
+
 <p>
   If you are modifying an existing app for use on TV, your app should not use the same
   activity layout for TV that it does for phones and tablets. The user interface of your TV app (or
@@ -142,6 +144,31 @@ startpage=true
   "{@docRoot}training/tv/start/layouts.html">Building TV Layouts</a>.
 </p>
 
+
+<h3 id="no-touchscreen">Declare touchscreen not required</h3>
+
+<p>
+  Applications that are intended to run on TV devices do not rely on touch screens for input. In
+  order to make this clear, the manifest of your TV app must declare that a the {@code
+  android.hardware.touchscreen} feature is not required. This setting identifies your app as being
+  able to work on a TV device, and is required for your app to be considered a TV app in Google
+  Play. The following code example shows how to include this manifest declaration:
+</p>
+
+<pre>
+&lt;manifest&gt;
+    <strong>&lt;uses-feature android:name="android.hardware.touchscreen"
+              android:required="false" /&gt;</strong>
+    ...
+&lt;/manifest&gt;
+</pre>
+
+<p class="caution">
+  <strong>Caution:</strong> You must declare that a touch screen is not required in your app
+  manifest, as shown this example code, or your app cannot appear in the Google Play store on TV
+  devices.
+</p>
+
 <h3 id="banner">Provide a home screen banner</h3>
 
 <p>
@@ -154,6 +181,7 @@ startpage=true
 &lt;application
     ...
     android:banner="&#64;drawable/banner" &gt;
+
     ...
 &lt;/application&gt;
 </pre>
@@ -171,7 +199,7 @@ startpage=true
   design guide.
 </p>
 
-<h3 id="tv-libraries">Add TV support libraries</h3>
+<h2 id="tv-libraries">Add TV Support Libraries</h3>
 
 <p>
   The Android SDK includes support libraries that are intended for use with TV apps. These