diff options
Diffstat (limited to 'src/com/android/launcher3/util/PackageManagerHelper.java')
-rw-r--r-- | src/com/android/launcher3/util/PackageManagerHelper.java | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/PackageManagerHelper.java b/src/com/android/launcher3/util/PackageManagerHelper.java index 7d3a94162..e97adb577 100644 --- a/src/com/android/launcher3/util/PackageManagerHelper.java +++ b/src/com/android/launcher3/util/PackageManagerHelper.java @@ -24,9 +24,11 @@ import android.content.Intent; import android.content.IntentFilter; import android.content.pm.ApplicationInfo; import android.content.pm.LauncherActivityInfo; +import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.ResolveInfo; +import android.content.res.Resources; import android.graphics.Rect; import android.net.Uri; import android.os.Build; @@ -35,6 +37,7 @@ import android.os.PatternMatcher; import android.os.UserHandle; import android.text.TextUtils; import android.util.Log; +import android.util.Pair; import android.widget.Toast; import com.android.launcher3.AppInfo; @@ -220,4 +223,76 @@ public class PackageManagerHelper { packageFilter.addDataSchemeSpecificPart(pkg, PatternMatcher.PATTERN_LITERAL); return packageFilter; } + + public static boolean isSystemApp(Context context, Intent intent) { + PackageManager pm = context.getPackageManager(); + ComponentName cn = intent.getComponent(); + String packageName = null; + if (cn == null) { + ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); + if ((info != null) && (info.activityInfo != null)) { + packageName = info.activityInfo.packageName; + } + } else { + packageName = cn.getPackageName(); + } + if (packageName == null) { + packageName = intent.getPackage(); + } + if (packageName != null) { + try { + PackageInfo info = pm.getPackageInfo(packageName, 0); + return (info != null) && (info.applicationInfo != null) && + ((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0); + } catch (NameNotFoundException e) { + return false; + } + } else { + return false; + } + } + + /** + * Finds a system apk which had a broadcast receiver listening to a particular action. + * @param action intent action used to find the apk + * @return a pair of apk package name and the resources. + */ + public static Pair<String, Resources> findSystemApk(String action, PackageManager pm) { + final Intent intent = new Intent(action); + for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) { + if (info.activityInfo != null && + (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { + final String packageName = info.activityInfo.packageName; + try { + final Resources res = pm.getResourcesForApplication(packageName); + return Pair.create(packageName, res); + } catch (NameNotFoundException e) { + Log.w(TAG, "Failed to find resources for " + packageName); + } + } + } + return null; + } + + /** + * Returns true if the intent is a valid launch intent for a launcher activity of an app. + * This is used to identify shortcuts which are different from the ones exposed by the + * applications' manifest file. + * + * @param launchIntent The intent that will be launched when the shortcut is clicked. + */ + public static boolean isLauncherAppTarget(Intent launchIntent) { + if (launchIntent != null + && Intent.ACTION_MAIN.equals(launchIntent.getAction()) + && launchIntent.getComponent() != null + && launchIntent.getCategories() != null + && launchIntent.getCategories().size() == 1 + && launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER) + && TextUtils.isEmpty(launchIntent.getDataString())) { + // An app target can either have no extra or have ItemInfo.EXTRA_PROFILE. + Bundle extras = launchIntent.getExtras(); + return extras == null || extras.keySet().isEmpty(); + } + return false; + } } |