Bug 4879032: NPE fix when restarting Settings.

Change-Id: I65b9fb220bf51357c02555902cdb263df7db1016
This commit is contained in:
Gilles Debunne
2011-06-22 16:07:29 -07:00
parent f61d5570ee
commit b396c9b8c0

View File

@@ -81,7 +81,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
super.onCreate(savedInstanceState);
mInLocalHeaderSwitch = false;
if (!onIsHidingHeaders() && onIsMultiPane()) {
if (isMultiPane()) {
highlightHeader();
// Force the title so that it doesn't get overridden by a direct launch of
// a specific settings screen.
@@ -193,7 +193,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
// If it is not launched from history, then reset to top-level
if ((intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0
&& mFirstHeader != null) {
&& mFirstHeader != null && isMultiPane()) {
switchToHeaderLocal(mFirstHeader);
}
}
@@ -211,7 +211,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
public Intent getIntent() {
Intent superIntent = super.getIntent();
String startingFragment = getStartingFragmentClass(superIntent);
if (startingFragment != null && !onIsMultiPane()) {
if (startingFragment != null && !isMultiPane()) {
Intent modIntent = new Intent(superIntent);
modIntent.putExtra(EXTRA_SHOW_FRAGMENT, startingFragment);
Bundle args = superIntent.getExtras();
@@ -263,17 +263,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
return header;
}
// Find first non-category header
int position = 0;
while (position < mHeaders.size()) {
Header header = mHeaders.get(position);
if (HeaderAdapter.getHeaderType(header) != HeaderAdapter.HEADER_TYPE_CATEGORY)
return header;
position++;
}
Log.e(LOG_TAG, "Unable to find a non-category header");
return null;
return mFirstHeader;
}
@Override
@@ -326,7 +316,10 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
// Increment if the current one wasn't removed by the Utils code.
if (target.get(i) == header) {
// Hold on to the first header, when we need to reset to the top-level
if (i == 0) mFirstHeader = header;
if (mFirstHeader == null &&
HeaderAdapter.getHeaderType(header) != HeaderAdapter.HEADER_TYPE_CATEGORY) {
mFirstHeader = header;
}
mHeaderIndexMap.put(id, i);
i++;
}
@@ -428,7 +421,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
super(context, 0, objects);
mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// These Switches are provided as placeholder until the adapter replaces these with actual
// Temp Switches provided as placeholder until the adapter replaces these with actual
// Switches inflated from their layouts. Must be done before adapter is set in super
mWifiEnabler = new WifiEnabler(context, new Switch(context));
mBluetoothEnabler = new BluetoothEnabler(context, new Switch(context));
@@ -445,23 +438,31 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
holder = new HeaderViewHolder();
switch (headerType) {
case HEADER_TYPE_CATEGORY:
view = new TextView(getContext(), null, android.R.attr.listSeparatorTextViewStyle);
view = new TextView(getContext(), null,
android.R.attr.listSeparatorTextViewStyle);
holder.title = (TextView) view;
break;
case HEADER_TYPE_SWITCH:
view = mInflater.inflate(R.layout.preference_header_switch_item, parent, false);
view = mInflater.inflate(R.layout.preference_header_switch_item, parent,
false);
holder.icon = (ImageView) view.findViewById(R.id.icon);
holder.title = (TextView) view.findViewById(com.android.internal.R.id.title);
holder.summary = (TextView) view.findViewById(com.android.internal.R.id.summary);
holder.title = (TextView)
view.findViewById(com.android.internal.R.id.title);
holder.summary = (TextView)
view.findViewById(com.android.internal.R.id.summary);
holder.switch_ = (Switch) view.findViewById(R.id.switchWidget);
break;
case HEADER_TYPE_NORMAL:
view = mInflater.inflate(com.android.internal.R.layout.preference_header_item, parent, false);
view = mInflater.inflate(
com.android.internal.R.layout.preference_header_item, parent,
false);
holder.icon = (ImageView) view.findViewById(com.android.internal.R.id.icon);
holder.title = (TextView) view.findViewById(com.android.internal.R.id.title);
holder.summary = (TextView) view.findViewById(com.android.internal.R.id.summary);
holder.title = (TextView)
view.findViewById(com.android.internal.R.id.title);
holder.summary = (TextView)
view.findViewById(com.android.internal.R.id.summary);
break;
}
view.setTag(holder);