Modified the PrintJobSettingsFragment

Test: manual
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.print
Change-Id: Ide889b273be21421753cec99ce391adb756ab05c

src/com/android/settings/print/PrintJobMessagePreferenceController.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.settings.print;
+
+import android.content.Context;
+import android.print.PrintJob;
+import android.print.PrintJobInfo;
+import android.text.TextUtils;
+
+public class PrintJobMessagePreferenceController extends PrintJobPreferenceControllerBase {
+
+    public PrintJobMessagePreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    protected void updateUi() {
+        final PrintJob printJob = getPrintJob();
+
+        if (printJob == null) {
+            mFragment.finish();
+            return;
+        }
+
+        if (printJob.isCancelled() || printJob.isCompleted()) {
+            mFragment.finish();
+            return;
+        }
+
+        final PrintJobInfo info = printJob.getInfo();
+        final CharSequence status = info.getStatus(mContext.getPackageManager());
+        mPreference.setVisible(!TextUtils.isEmpty(status));
+        mPreference.setSummary(status);
+    }
+}