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In most cases, this is far broader access than is necessary for an app to implement its functionality. With our ongoing focus on privacy, we’re introducing changes on how apps can query and interact with other installed apps on the same device on Android 11. In particular, we’re bringing better scoped access to the list of apps installed on a given device.</p><p id="989a" class="pw-post-body-paragraph ng nh hf ni b nj nk nl nm nn no np nq nr ns nt nu nv nw nx ny nz oa ob oc od gn bk">To provide better accountability for access to installed apps on a device, apps targeting Android 11 (API level 30) will see a filtered list of installed apps by default. In order to access a broader list of installed apps, an app can specify information about apps they need to query and interact with directly. This can be done by adding a <code class="cx oe of og oh b"><queries></code> element in the Android manifest.</p><p id="a123" class="pw-post-body-paragraph ng nh hf ni b nj nk nl nm nn no np nq nr ns nt nu nv nw nx ny nz oa ob oc od gn bk">For most <a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility#use-cases-not-affected" rel="noopener ugc nofollow" target="_blank">common scenarios</a>, including any implicit intents started with <code class="cx oe of og oh b">startActivity()</code>, you won’t have to change anything! For <a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility-use-cases" rel="noopener ugc nofollow" target="_blank">other scenarios</a>, like opening a specific third party application directly from your UI, developers will have to explicitly list the application package names or <a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility#intent-signature" rel="noopener ugc nofollow" target="_blank">intent filter signatures</a> like this:</p><pre class="oi oj ok ol om on oh oo op ay oq bk"><span id="dff1" class="or os hf oh b iz ot ou l jo ov"><manifest package="com.example.game"><br/> <queries><br/> <!-- Specific apps you interact with, eg: --><br/> <package android:name="com.example.store" /><br/> <package android:name="com.example.service" /></span><span id="4fae" class="or os hf oh b iz ow ou l jo ov"> <!--<br/> Specific intents you query for,<br/> eg: for a custom share UI<br/> --><br/> <intent><br/> <action android:name="android.intent.action.SEND" /><br/> <data android:mimeType="image/jpeg" /><br/> </intent><br/> </queries><br/> ...<br/></manifest></span></pre><p id="d09a" class="pw-post-body-paragraph ng nh hf ni b nj nk nl nm nn no np nq nr ns nt nu nv nw nx ny nz oa ob oc od gn bk">If you use <a class="af hc" href="https://developers.google.com/web/android/custom-tabs" rel="noopener ugc nofollow" target="_blank">Custom Tabs</a> to open URLs, you might be calling <code class="cx oe of og oh b">resolveActivity()</code> and <code class="cx oe of og oh b">queryIntentActivities()</code> in order to launch a non-browser app if one is available for the URL. In Android 11 there’s a <a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility-use-cases#avoid-a-disambiguation-dialog" rel="noopener ugc nofollow" target="_blank">better way to do this</a>, which avoids the need to query other apps: the <code class="cx oe of og oh b"><a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility#web-intent-non-browser-app" rel="noopener ugc nofollow" target="_blank">FLAG_ACTIVITY_REQUIRE_NON_BROWSER</a></code> intent flag. When you call <code class="cx oe of og oh b">startActivity()</code> with this flag, an <code class="cx oe of og oh b">ActivityNotFoundException</code> will be thrown if a browser would have been launched. When this happens, you can open the URL in a Custom Tab instead.</p><pre class="oi oj ok ol om on oh oo op ay oq bk"><span id="09b3" class="or os hf oh b iz ot ou l jo ov">try {<br/> val intent = Intent(ACTION_VIEW, Uri.parse(url)).apply {<br/> // The URL should either launch directly in a non-browser app<br/> // (if it’s the default), or in the disambiguation dialog</span><span id="42e0" class="or os hf oh b iz ow ou l jo ov"> addCategory(CATEGORY_BROWSABLE)<br/> flags = FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_REQUIRE_NON_BROWSER<br/> }</span><span id="31d3" class="or os hf oh b iz ow ou l jo ov"> startActivity(intent)<br/>} catch (e: ActivityNotFoundException) {<br/> // Only browser apps are available, or a browser is the default app for this intent<br/>}</span></pre><p id="cb31" class="pw-post-body-paragraph ng nh hf ni b nj nk nl nm nn no np nq nr ns nt nu nv nw nx ny nz oa ob oc od gn bk">In rare cases, your app might need to query or interact with all installed apps on a device, independent of the components they contain. To allow your app to see all other installed apps, Android 11 introduces the <code class="cx oe of og oh b"><a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility#all-apps" rel="noopener ugc nofollow" target="_blank">QUERY_ALL_PACKAGES</a></code> permission. In an upcoming Google Play policy update, look for guidelines for apps that need the <code class="cx oe of og oh b">QUERY_ALL_PACKAGES</code> permission.</p><p id="bdf2" class="pw-post-body-paragraph ng nh hf ni b nj nk nl nm nn no np nq nr ns nt nu nv nw nx ny nz oa ob oc od gn bk">When targeting API level 30 and adding a <code class="cx oe of og oh b"><queries></code> element to your app, use the latest available release of the Android Gradle plugin. Soon we’ll be releasing updates to older Android Gradle plugin versions to add support for this element. You can find more information and use cases about Package Visibility in the <a class="af hc" href="https://developer.android.com/preview/privacy/package-visibility" rel="noopener ugc nofollow" target="_blank">developer documentation</a>.</p></div></div></div></div></section></div></div></article></div><div class="ab cb"><div class="ci bh fz ga gb gc"><div class="ox oy ab jl"><div class="oz ab"><a class="pa ay am ao" rel="noopener follow" href="/tag/android?source=post_page-----cc857f221cd9--------------------------------"><div class="pb fj cx pc ge pd pe bf b bg z bk pf">Android</div></a></div><div class="oz ab"><a class="pa ay am ao" rel="noopener follow" href="/tag/package-visibility?source=post_page-----cc857f221cd9--------------------------------"><div class="pb fj cx pc ge pd pe bf b bg z bk pf">Package Visibility</div></a></div><div class="oz ab"><a class="pa ay am ao" rel="noopener follow" 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In most cases, this is far broader access than is necessary for an app to implement its functionality. With our ongoing focus on privacy, we’re introducing changes on how apps can query and interact with other installed apps on the same device on Android 11. In particular, we’re bringing better scoped access to the list of apps installed on a given device.","hasDropCap":null,"dropCapImage":null,"markups":[{"__typename":"Markup","type":"CODE","start":109,"end":132,"href":null,"anchorType":null,"userId":null,"linkMetadata":null}],"codeBlockMetadata":null,"iframe":null,"mixtapeMetadata":null},"Paragraph:8d6ad5b0ea5_3":{"__typename":"Paragraph","id":"8d6ad5b0ea5_3","name":"989a","type":"P","href":null,"layout":null,"metadata":null,"text":"To provide better accountability for access to installed apps on a device, apps targeting Android 11 (API level 30) will see a filtered list of installed apps by default. 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