Android 10之前的暗藏形式：
con.getPackageManager().setComponentEnabledSetting(new ComponentName(con,activityAliasName,PackageManager.COMPONENT_ENABLED_STATE_DISABLED,PackageManager.DONT_KILL_APP);Android 10之后，该暗藏图标形式生效，暗藏胜利后仍然会在桌面上保留其图标，点击后会跳转到利用详情页。具体查看官网API更新阐明：getActivityList) 。
那这就很好受了，在我看来，目前设计的并不太正当，能不能暗藏应该由用户决定，而不是强制不容许暗藏，不过目前官网也设置了管制开关，能够批改零碎设置来去掉该限度，只不过须要adb或能批改零碎设置的APP或ROOT权限能力批改。接下来就是具体分析了。
具体分析
getActivityList
//frameworks/base/core/java/android/content/pm/LauncherApps.java public List<LauncherActivityInfo> getActivityList(String packageName, UserHandle user) { logErrorForInvalidProfileAccess(user); try { return convertToActivityList(mService.getLauncherActivities(mContext.getPackageName(), packageName, user), user); } catch (RemoteException re) { throw re.rethrowFromSystemServer(); } }getLauncherActivities
//frameworks/base/services/core/java/com/android/server/pm/LauncherAppsService.java@Overridepublic ParceledListSlice<LauncherActivityInfoInternal> getLauncherActivities( String callingPackage, String packageName, UserHandle user) throws RemoteException { //查问蕴含ACTION_MAIN和CATEGORY_LAUNCHER的activity ParceledListSlice<LauncherActivityInfoInternal> launcherActivities = queryActivitiesForUser(callingPackage, new Intent(Intent.ACTION_MAIN) .addCategory(Intent.CATEGORY_LAUNCHER) .setPackage(packageName), user); //检测零碎设置（零碎设置管制开关管制是否走新版限度逻辑） if (Settings.Global.getInt(mContext.getContentResolver(), Settings.Global.SHOW_HIDDEN_LAUNCHER_ICON_APPS_ENABLED, 1) == 0) { return launcherActivities; } //没有找到入口activity if (launcherActivities == null) { // Cannot access profile, so we don't even return any hidden apps. return null; } final int callingUid = injectBinderCallingUid(); final long ident = injectClearCallingIdentity(); try { //托管配置文件能够暗藏APP if (mUm.getUserInfo(user.getIdentifier()).isManagedProfile()) { // Managed profile should not show hidden apps return launcherActivities; } //设施管理员能够暗藏APP if (mDpm.getDeviceOwnerComponentOnAnyUser() != null) { // Device owner devices should not show hidden apps return launcherActivities; } final ArrayList<LauncherActivityInfoInternal> result = new ArrayList<>( launcherActivities.getList()); if (packageName != null) { // If this hidden app should not be shown, return the original list. // Otherwise, inject hidden activity that forwards user to app details page. //可能是如果大于0，示意有无效的启动入口，则不必注入暗藏的APP详情页入口 if (result.size() > 0) { return launcherActivities; } final ApplicationInfo appInfo = mPackageManagerInternal.getApplicationInfo( packageName, /* flags= */ 0, callingUid, user.getIdentifier()); //依据APP信息进行判断是否注入暗藏APP详情页入口 if (shouldShowSyntheticActivity(user, appInfo)) { LauncherActivityInfoInternal info = getHiddenAppActivityInfo(packageName, callingUid, user); if (info != null) { result.add(info); } } return new ParceledListSlice<>(result); } final HashSet<String> visiblePackages = new HashSet<>(); for (LauncherActivityInfoInternal info : result) { visiblePackages.add(info.getActivityInfo().packageName); } final List<ApplicationInfo> installedPackages = mPackageManagerInternal.getInstalledApplications(/* flags= */ 0, user.getIdentifier(), callingUid); for (ApplicationInfo applicationInfo : installedPackages) { if (!visiblePackages.contains(applicationInfo.packageName)) { if (!shouldShowSyntheticActivity(user, applicationInfo)) { continue; } LauncherActivityInfoInternal info = getHiddenAppActivityInfo( applicationInfo.packageName, callingUid, user); if (info != null) { result.add(info); } } } return new ParceledListSlice<>(result); } finally { injectRestoreCallingIdentity(ident); }}shouldShowSyntheticActivity
//frameworks/base/services/core/java/com/android/server/pm/LauncherAppsService.javaprivate boolean shouldShowSyntheticActivity(UserHandle user, ApplicationInfo appInfo) { //没有app信息，是零碎APP或者更新的零碎APP，则不增加暗藏详情页入口 if (appInfo == null || appInfo.isSystemApp() || appInfo.isUpdatedSystemApp()) { return false; } //是管理员APP也不必增加该入口 if (isManagedProfileAdmin(user, appInfo.packageName)) { return false; } final AndroidPackage pkg = mPackageManagerInternal.getPackage(appInfo.packageName); if (pkg == null) { // Should not happen, but we shouldn't be failing if it does return false; } // If app does not have any default enabled launcher activity or any permissions, // the app can legitimately have no icon so we do not show the synthetic activity. return requestsPermissions(pkg) && hasDefaultEnableLauncherActivity( appInfo.packageName);}依据以上源码，能够发现该机制有个全局设置开关，并且有多种状况能够不受该机制限度。因而总结出如下解决方案：
若是你的APP有adb权限或ROOT权限，能够间接批改这个全局开关，批改命令如下：
adb shell settings put global show_hidden_icon_apps_enabled 0- 或者你的APP有设施管理员权限
- 或者你的APP是零碎APP
- 或者你的APP没有任何默认启动入口
- 或者你的APP没有申请任何权限
- 或者你的APP波及到Managed profile（这个具体不太分明怎么用）
- 或者你的APP是Xposed模块，能够间接注入零碎服务拦挡相干API，或者注入能够批改零碎设置的APP（比方：设置）间接批改这个开关
- 或者你是零碎源码开发者，能够间接批改该处代码即可
- 其它更多还未摸索出的形式(比方利用某些逻辑破绽)........
参考
- Android hide/unhide app icon programmatically
转自：https://blog.csdn.net/qq_2691...