diff options
Diffstat (limited to 'core/java/android/print/PrintManager.java')
| -rw-r--r-- | core/java/android/print/PrintManager.java | 62 |
1 files changed, 53 insertions, 9 deletions
diff --git a/core/java/android/print/PrintManager.java b/core/java/android/print/PrintManager.java index e4f73cb..811751d 100644 --- a/core/java/android/print/PrintManager.java +++ b/core/java/android/print/PrintManager.java @@ -167,7 +167,7 @@ public final class PrintManager { /** * Callback notifying that a print job state changed. - * + * * @param printJobId The print job id. */ public void onPrintJobStateChanged(PrintJobId printJobId); @@ -175,7 +175,7 @@ public final class PrintManager { /** * Creates a new instance. - * + * * @param context The current context in which to operate. * @param service The backing system service. * @hide @@ -207,13 +207,17 @@ public final class PrintManager { /** * Creates an instance that can access all print jobs. - * + * * @param userId The user id for which to get all print jobs. * @return An instance if the caller has the permission to access all print * jobs, null otherwise. * @hide */ public PrintManager getGlobalPrintManagerForUser(int userId) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return null; + } return new PrintManager(mContext, mService, userId, APP_ID_ANY); } @@ -228,11 +232,15 @@ public final class PrintManager { /** * Adds a listener for observing the state of print jobs. - * + * * @param listener The listener to add. * @hide */ public void addPrintJobStateChangeListener(PrintJobStateChangeListener listener) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return; + } if (mPrintJobStateChangeListeners == null) { mPrintJobStateChangeListeners = new ArrayMap<PrintJobStateChangeListener, PrintJobStateChangeListenerWrapper>(); @@ -249,11 +257,15 @@ public final class PrintManager { /** * Removes a listener for observing the state of print jobs. - * + * * @param listener The listener to remove. * @hide */ public void removePrintJobStateChangeListener(PrintJobStateChangeListener listener) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return; + } if (mPrintJobStateChangeListeners == null) { return; } @@ -275,12 +287,16 @@ public final class PrintManager { /** * Gets a print job given its id. - * + * * @return The print job list. * @see PrintJob * @hide */ public PrintJob getPrintJob(PrintJobId printJobId) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return null; + } try { PrintJobInfo printJob = mService.getPrintJobInfo(printJobId, mAppId, mUserId); if (printJob != null) { @@ -294,11 +310,15 @@ public final class PrintManager { /** * Gets the print jobs for this application. - * + * * @return The print job list. * @see PrintJob */ public List<PrintJob> getPrintJobs() { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return Collections.emptyList(); + } try { List<PrintJobInfo> printJobInfos = mService.getPrintJobInfos(mAppId, mUserId); if (printJobInfos == null) { @@ -317,6 +337,10 @@ public final class PrintManager { } void cancelPrintJob(PrintJobId printJobId) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return; + } try { mService.cancelPrintJob(printJobId, mAppId, mUserId); } catch (RemoteException re) { @@ -325,6 +349,10 @@ public final class PrintManager { } void restartPrintJob(PrintJobId printJobId) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return; + } try { mService.restartPrintJob(printJobId, mAppId, mUserId); } catch (RemoteException re) { @@ -383,6 +411,10 @@ public final class PrintManager { */ public PrintJob print(String printJobName, PrintDocumentAdapter documentAdapter, PrintAttributes attributes) { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return null; + } if (!(mContext instanceof Activity)) { throw new IllegalStateException("Can print only from an activity"); } @@ -418,11 +450,15 @@ public final class PrintManager { /** * Gets the list of enabled print services. - * + * * @return The enabled service list or an empty list. * @hide */ public List<PrintServiceInfo> getEnabledPrintServices() { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return Collections.emptyList(); + } try { List<PrintServiceInfo> enabledServices = mService.getEnabledPrintServices(mUserId); if (enabledServices != null) { @@ -436,11 +472,15 @@ public final class PrintManager { /** * Gets the list of installed print services. - * + * * @return The installed service list or an empty list. * @hide */ public List<PrintServiceInfo> getInstalledPrintServices() { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return Collections.emptyList(); + } try { List<PrintServiceInfo> installedServices = mService.getInstalledPrintServices(mUserId); if (installedServices != null) { @@ -456,6 +496,10 @@ public final class PrintManager { * @hide */ public PrinterDiscoverySession createPrinterDiscoverySession() { + if (mService == null) { + Log.w(LOG_TAG, "Feature android.software.print not available"); + return null; + } return new PrinterDiscoverySession(mService, mContext, mUserId); } |