我正在开发一个服务,它会将安装在Android TV或Fire TV上的应用列表发送到手机。然后手机会发送要启动的应用程序包名称,该服务将启动它。
这是创建列表的代码。
public List<InstalledApp> GetInstalledApps(boolean isAndroid) {
PackageManager pm = getPackageManager();
List<ApplicationInfo> allPackages = pm.getInstalledApplications(PackageManager.GET_META_DATA);
List<InstalledApp> userPackages = new ArrayList<InstalledApp>();
for (ApplicationInfo packageInfo : allPackages) {
if (isSystemPackage(packageInfo)) continue;
InstalledApp app = new InstalledApp();
app.setPackageName(packageInfo.packageName);
app.setAppName(pm.getApplicationLabel(packageInfo).toString());
if (!isAndroid) {
app.setIcon(pm.getApplicationIcon(packageInfo));
}
app.setAccentColor(getAccentColor(pm.getApplicationIcon(packageInfo)));
userPackages.add(app);
}
return userPackages;
}
这是我启动应用程序的方式
public void launchApp(String packageName) {
PackageManager pm = getPackageManager();
Intent intent = pm.getLaunchIntentForPackage(packageName);
startActivity(intent);
}
在Fire TV上一切都很完美,但在Android TV上,许多应用程序的意图始终为空。以下是其中的几个:
- com.haystack.android
- com.netflix.ninja
- tv.pluto.android
- com.bamnetworks.mlbtv
- com.hulu.livingroomplus
- com.sling
- com.frogmind.badland
- com.songza.tv
编辑: 我也尝试过这个,但我得到了异常
android.content.ActivityNotFoundException: No Activity found to handle Intent { cat=[android.intent.category.LEANBACK_LAUNCHER] flg=0x10000000 pkg=com.netflix.ninja }
public void launchApp(String packageName) {
Intent intent = new Intent();
intent.setPackage(packageName);
intent.addCategory("android.intent.category.LEANBACK_LAUNCHER");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
编辑 2:
这是适用于我个人的代码:
public void launchApp(String packageName) {
Intent intent = new Intent();
intent.setPackage(packageName);
PackageManager pm = getPackageManager();
List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, 0);
Collections.sort(resolveInfos, new ResolveInfo.DisplayNameComparator(pm));
if(resolveInfos.size() > 0) {
ResolveInfo launchable = resolveInfos.get(0);
ActivityInfo activity = launchable.activityInfo;
ComponentName name=new ComponentName(activity.applicationInfo.packageName,
activity.name);
Intent i=new Intent(Intent.ACTION_MAIN);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
i.setComponent(name);
startActivity(i);
}
}
LEANBACK_LAUNCHER
是启动器的类别,而不是手机和平板电脑上的LAUNCHER
。我猜这些应用程序没有LAUNCHER
活动,并且getLaunchIntentForPackage()
只适用于LAUNCHER
,而不是LEANBACK_LAUNCHER
。 - CommonsWarequeryIntentActivities()
查找所有LEANBACK_LAUNCHER
活动。这是主屏幕所做的事情(虽然使用LAUNCHER
),而不是使用getLaunchIntentForPackage()
。这是一个示例类似主屏幕的启动器:https://github.com/commonsguy/cw-omnibus/tree/master/Introspection/Launchalot - CommonsWaregetLeanbackLaunchIntentForPackage()
吗?这个方法可以获取 Android 应用的 Leanback 启动意图。 - Sebastiano