android.content.pm.PackageParser#PermissionGroup()源码实例Demo

private List<PermissionGroupInfo> getAllPermissionGroups(int flags, int callingUid) {
    if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) {
        return null;
    }
    synchronized (mLock) {
        final int N = mSettings.mPermissionGroups.size();
        final ArrayList<PermissionGroupInfo> out
                = new ArrayList<PermissionGroupInfo>(N);
        for (PackageParser.PermissionGroup pg : mSettings.mPermissionGroups.values()) {
            out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
        }
        return out;
    }
}
 

@Override
public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
	synchronized (mPackages) {
		PackageParser.PermissionGroup p = mPermissionGroups.get(name);
		if (p != null) {
			return new PermissionGroupInfo(p.info);
		}
	}
	return null;
}
 

@Override
public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
	synchronized (mPackages) {
		final int N = mPermissionGroups.size();
		ArrayList<PermissionGroupInfo> out = new ArrayList<>(N);
		for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
			out.add(new PermissionGroupInfo(pg.info));
		}
		return out;
	}
}
 

private void addAllPermissionGroups(PackageParser.Package pkg, boolean chatty) {
    final int N = pkg.permissionGroups.size();
    StringBuilder r = null;
    for (int i=0; i<N; i++) {
        final PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
        final PackageParser.PermissionGroup cur = mSettings.mPermissionGroups.get(pg.info.name);
        final String curPackageName = (cur == null) ? null : cur.info.packageName;
        final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName);
        if (cur == null || isPackageUpdate) {
            mSettings.mPermissionGroups.put(pg.info.name, pg);
            if (chatty && DEBUG_PACKAGE_SCANNING) {
                if (r == null) {
                    r = new StringBuilder(256);
                } else {
                    r.append(' ');
                }
                if (isPackageUpdate) {
                    r.append("UPD:");
                }
                r.append(pg.info.name);
            }
        } else {
            Slog.w(TAG, "Permission group " + pg.info.name + " from package "
                    + pg.info.packageName + " ignored: original from "
                    + cur.info.packageName);
            if (chatty && DEBUG_PACKAGE_SCANNING) {
                if (r == null) {
                    r = new StringBuilder(256);
                } else {
                    r.append(' ');
                }
                r.append("DUP:");
                r.append(pg.info.name);
            }
        }
    }
    if (r != null && DEBUG_PACKAGE_SCANNING) {
        Log.d(TAG, "  Permission Groups: " + r);
    }

}