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Fix settings crash in print job screen.

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The code was looking up the print job from the print manager
based on the lifecycle event of the hosting fragment. There
was a case missing and the print job not initialized on
rotation. This change looks up the job lazily making the
code more robust.

bug:17471952

Change-Id: I00075e161f69ca711bac6857f5ec00c20b5b17a0
This commit is contained in:
Svetoslav
2014-09-11 14:30:13 -07:00
parent 0a11f60595
commit 85dcef1226
1 changed files with 15 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/com/android/settings/print/PrintJobSettingsFragment.java
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@@ -112,13 +112,13 @@ public class PrintJobSettingsFragment extends SettingsPreferenceFragment {
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
if (!mPrintJob.getInfo().isCancelling()) {
if (!getPrintJob().getInfo().isCancelling()) {
MenuItem cancel = menu.add(0, MENU_ITEM_ID_CANCEL, Menu.NONE,
getString(R.string.print_cancel));
cancel.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
}
if (mPrintJob.isFailed()) {
if (getPrintJob().isFailed()) {
MenuItem restart = menu.add(0, MENU_ITEM_ID_RESTART, Menu.NONE,
getString(R.string.print_restart));
restart.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
@@ -129,13 +129,13 @@ public class PrintJobSettingsFragment extends SettingsPreferenceFragment {
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_ITEM_ID_CANCEL: {
mPrintJob.cancel();
getPrintJob().cancel();
finish();
return true;
}
case MENU_ITEM_ID_RESTART: {
mPrintJob.restart();
getPrintJob().restart();
finish();
return true;
}
@@ -152,8 +152,15 @@ public class PrintJobSettingsFragment extends SettingsPreferenceFragment {
}
}
private PrintJob getPrintJob() {
if (mPrintJob == null) {
mPrintJob = mPrintManager.getPrintJob(mPrintJobId);
}
return mPrintJob;
}
private void updateUi() {
PrintJob printJob = mPrintManager.getPrintJob(mPrintJobId);
PrintJob printJob = getPrintJob();
if (printJob == null) {
finish();
@@ -165,13 +172,12 @@ public class PrintJobSettingsFragment extends SettingsPreferenceFragment {
return;
}
mPrintJob = printJob;
PrintJobInfo info = mPrintJob.getInfo();
PrintJobInfo info = printJob.getInfo();
switch (info.getState()) {
case PrintJobInfo.STATE_QUEUED:
case PrintJobInfo.STATE_STARTED: {
if (!mPrintJob.getInfo().isCancelling()) {
if (!printJob.getInfo().isCancelling()) {
mPrintJobPreference.setTitle(getString(
R.string.print_printing_state_title_template, info.getLabel()));
} else {
@@ -186,7 +192,7 @@ public class PrintJobSettingsFragment extends SettingsPreferenceFragment {
} break;
case PrintJobInfo.STATE_BLOCKED: {
if (!mPrintJob.getInfo().isCancelling()) {
if (!printJob.getInfo().isCancelling()) {
mPrintJobPreference.setTitle(getString(
R.string.print_blocked_state_title_template, info.getLabel()));
} else {