Example usage for android.os Binder clearCallingIdentity

Introduction

In this page you can find the example usage for android.os Binder clearCallingIdentity.

Prototype

public static final native long clearCallingIdentity();

Source Link

Document

Reset the identity of the incoming IPC on the current thread.

Usage

From source file:com.skubit.android.billing.BillingServiceBinder.java

private boolean hasAccess(String userId, String packageName) {
    final long token = Binder.clearCallingIdentity();
    Cursor c = null;/*from  w  w  w .j a  va2 s.c  o  m*/
    try {
        c = mContext.getContentResolver().query(AuthorizationColumns.CONTENT_URI, null,
                AuthorizationColumns.APP + "=? AND " + AuthorizationColumns.BITID + "=?",
                new String[] { packageName, userId }, null);
        if (c == null) {
            return false;
        }
        AuthorizationCursor ac = new AuthorizationCursor(c);
        ac.moveToFirst();
        if (ac.getCount() == 0) {
            return false;
        }
        String scope = ac.getScope();
        if (TextUtils.isEmpty(scope)) {
            return false;
        }
        return hasScope(scope, Permissions.PURCHASES) || hasScope(scope, Permissions.MANAGE_MONEY);
    } finally {
        if (c != null) {
            c.close();
        }
        Binder.restoreCallingIdentity(token);
    }
}

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From source file:com.skubit.android.billing.BillingServiceBinder.java

@Override
public Bundle getUserIds(int apiVersion, String packageName) throws RemoteException {
    Bundle bundle = new Bundle();
    if (apiVersion != 1) {
        bundle.putInt("RESPONSE_CODE", BillingResponseCodes.RESULT_BILLING_UNAVAILABLE);
        return bundle;
    }/*from   w w  w. ja va 2 s .  c  om*/
    int packValidate = validatePackageIsOwnedByCaller(packageName);
    if (packValidate != BillingResponseCodes.RESULT_OK) {
        Log.d(TAG, "Package is not owned by caller: " + packageName);
        bundle.putInt("RESPONSE_CODE", packValidate);
        return bundle;
    }

    ArrayList<String> userIds = new ArrayList<>();
    final long token = Binder.clearCallingIdentity();
    try {
        Cursor c = mContext.getContentResolver().query(AuthorizationColumns.CONTENT_URI, null,
                AuthorizationColumns.APP + "=?", new String[] { packageName }, null);
        AuthorizationCursor ac = new AuthorizationCursor(c);
        ac.moveToFirst();
        for (int i = 0; i < ac.getCount(); i++) {
            ac.moveToPosition(i);
            userIds.add(ac.getBitid());
        }
        c.close();
    } finally {
        Binder.restoreCallingIdentity(token);
    }

    bundle.putStringArrayList("USER_ID_LIST", userIds);
    return bundle;
}

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From source file:dev.dworks.apps.anexplorer.provider.ExternalStorageProvider.java

public AssetFileDescriptor openOrCreateDocumentThumbnail(String docId, Point sizeHint,
        CancellationSignal signal) throws FileNotFoundException {
    //        final ContentResolver resolver = getContext().getContentResolver();
    final File file = getFileForDocId(docId);
    final String mimeType = getTypeForFile(file);

    final String typeOnly = mimeType.split("/")[0];

    final long token = Binder.clearCallingIdentity();
    try {/* ww  w  .  ja va2 s.com*/
        if (MediaDocumentsProvider.TYPE_AUDIO.equals(typeOnly)) {
            final long id = getAlbumForPathCleared(file.getPath());
            return openOrCreateAudioThumbnailCleared(id, signal);
        } else if (MediaDocumentsProvider.TYPE_IMAGE.equals(typeOnly)) {
            final long id = getImageForPathCleared(file.getPath());
            return openOrCreateImageThumbnailCleared(id, signal);
        } else if (MediaDocumentsProvider.TYPE_VIDEO.equals(typeOnly)) {
            final long id = getVideoForPathCleared(file.getPath());
            return openOrCreateVideoThumbnailCleared(id, signal);
        } else {
            return DocumentsContract.openImageThumbnail(file);
        }
    } finally {
        Binder.restoreCallingIdentity(token);
    }
}

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