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UPDATE: Add an overload of Apps.isPrivilege() with UID parameter.

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Oasis 2016-11-07 15:17:55 +08:00
parent 0d053283ee
commit f70a4a6f79
1 changed files with 12 additions and 0 deletions
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12
library/src/main/java/com/oasisfeng/android/util/Apps.java
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@ -5,6 +5,7 @@ import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Process;
import android.support.annotation.CheckResult;
import android.util.Log;
@ -70,6 +71,17 @@ public class Apps {
private static final int FLAG_PRIVILEGED = 1<<30;
private static final int PRIVATE_FLAG_PRIVILEGED = 1<<3; // ApplicationInfo.PRIVATE_FLAG_PRIVILEGED
public static boolean isPrivileged(final PackageManager pm, final int uid) {
if (uid < 0) return false;
if (uid < Process.FIRST_APPLICATION_UID) return true;
final String[] pkgs = pm.getPackagesForUid(uid);
if (pkgs == null) return false;
for (final String pkg : pkgs) try {
if (isPrivileged(pm.getApplicationInfo(pkg, 0))) return true;
} catch (final NameNotFoundException ignored) {}
return false;
}
private static boolean isSystem(final ApplicationInfo app) {
return (app.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
}