PawletOS/app_Settings
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Code cleaning

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- remove duplicate reference to current header (mCurHeader) in favor of mCurrentHeader
- clean onSaveInstanceState()

Change-Id: Ia9322471f0b0d13d51e105c8fd625774d8867fdc
This commit is contained in:
Fabrice Di Meglio
2014-02-11 15:19:46 -08:00
parent a16bd76d45
commit 6502720566
1 changed files with 28 additions and 40 deletions
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68
src/com/android/settings/SettingsActivity.java
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@@ -131,8 +131,8 @@ public class SettingsActivity extends Activity
private static final String LOG_TAG = "Settings";
// Constants for state save/restore
private static final String HEADERS_TAG = ":settings:headers";
private static final String CUR_HEADER_TAG = ":settings:cur_header";
private static final String SAVE_KEY_HEADERS_TAG = ":settings:headers";
private static final String SAVE_KEY_CURRENT_HEADER_TAG = ":settings:cur_header";
/**
* When starting this activity, the invoking Intent can contain this extra
@@ -191,13 +191,12 @@ public class SettingsActivity extends Activity
private static final String EXTRA_UI_OPTIONS = "settings:ui_options";
private static final String SAVE_KEY_CURRENT_HEADER = "com.android.settings.CURRENT_HEADER";
private static boolean sShowNoHomeNotice = false;
private String mFragmentClass;
private int mTopLevelHeaderId;
private Header mFirstHeader;
private Header mSelectedHeader;
private Header mCurrentHeader;
// Show only these settings for restricted users
@@ -312,7 +311,6 @@ public class SettingsActivity extends Activity
};
private final ArrayList<Header> mHeaders = new ArrayList<Header>();
private Header mCurHeader;
private HeaderAdapter mHeaderAdapter;
private class TitlePair extends Pair<Integer, CharSequence> {
@@ -338,8 +336,8 @@ public class SettingsActivity extends Activity
mHeaders.clear();
onBuildHeaders(mHeaders);
mHeaderAdapter.notifyDataSetChanged();
if (mCurHeader != null) {
Header mappedHeader = findBestMatchingHeader(mCurHeader, mHeaders);
if (mCurrentHeader != null) {
Header mappedHeader = findBestMatchingHeader(mCurrentHeader, mHeaders);
if (mappedHeader != null) {
setSelectedHeader(mappedHeader);
}
@@ -384,7 +382,7 @@ public class SettingsActivity extends Activity
mDrawerToggle.onDrawerClosed(drawerView);
// Cannot process clicks when the App is finishing
if (isFinishing()) return;
onHeaderClick(mCurrentHeader);
onHeaderClick(mSelectedHeader);
}
@Override
@@ -406,26 +404,26 @@ public class SettingsActivity extends Activity
}
}
private Header findBestMatchingHeader(Header cur, ArrayList<Header> from) {
private Header findBestMatchingHeader(Header current, ArrayList<Header> from) {
ArrayList<Header> matches = new ArrayList<Header>();
for (int j=0; j<from.size(); j++) {
Header oh = from.get(j);
if (cur == oh || (cur.id != HEADER_ID_UNDEFINED && cur.id == oh.id)) {
if (current == oh || (current.id != HEADER_ID_UNDEFINED && current.id == oh.id)) {
// Must be this one.
matches.clear();
matches.add(oh);
break;
}
if (cur.fragment != null) {
if (cur.fragment.equals(oh.fragment)) {
if (current.fragment != null) {
if (current.fragment.equals(oh.fragment)) {
matches.add(oh);
}
} else if (cur.intent != null) {
if (cur.intent.equals(oh.intent)) {
} else if (current.intent != null) {
if (current.intent.equals(oh.intent)) {
matches.add(oh);
}
} else if (cur.title != null) {
if (cur.title.equals(oh.title)) {
} else if (current.title != null) {
if (current.title.equals(oh.title)) {
matches.add(oh);
}
}
@@ -436,14 +434,14 @@ public class SettingsActivity extends Activity
} else if (NM > 1) {
for (int j=0; j<NM; j++) {
Header oh = matches.get(j);
if (cur.fragmentArguments != null &&
cur.fragmentArguments.equals(oh.fragmentArguments)) {
if (current.fragmentArguments != null &&
current.fragmentArguments.equals(oh.fragmentArguments)) {
return oh;
}
if (cur.extras != null && cur.extras.equals(oh.extras)) {
if (current.extras != null && current.extras.equals(oh.extras)) {
return oh;
}
if (cur.title != null && cur.title.equals(oh.title)) {
if (current.title != null && current.title.equals(oh.title)) {
return oh;
}
}
@@ -530,10 +528,11 @@ public class SettingsActivity extends Activity
if (savedInstanceState != null) {
// We are restarting from a previous saved state; used that to
// initialize, instead of starting fresh.
ArrayList<Header> headers = savedInstanceState.getParcelableArrayList(HEADERS_TAG);
ArrayList<Header> headers =
savedInstanceState.getParcelableArrayList(SAVE_KEY_HEADERS_TAG);
if (headers != null) {
mHeaders.addAll(headers);
int curHeader = savedInstanceState.getInt(CUR_HEADER_TAG,
int curHeader = savedInstanceState.getInt(SAVE_KEY_CURRENT_HEADER_TAG,
(int) HEADER_ID_UNDEFINED);
if (curHeader >= 0 && curHeader < mHeaders.size()) {
setSelectedHeader(mHeaders.get(curHeader));
@@ -627,11 +626,6 @@ public class SettingsActivity extends Activity
if (!onIsHidingHeaders()) {
highlightHeader(mTopLevelHeaderId);
}
// Retrieve any saved state
if (savedInstanceState != null) {
mCurrentHeader = savedInstanceState.getParcelable(SAVE_KEY_CURRENT_HEADER);
}
}
@Override
@@ -674,19 +668,14 @@ public class SettingsActivity extends Activity
super.onSaveInstanceState(outState);
if (mHeaders.size() > 0) {
outState.putParcelableArrayList(HEADERS_TAG, mHeaders);
if (mCurHeader != null) {
int index = mHeaders.indexOf(mCurHeader);
outState.putParcelableArrayList(SAVE_KEY_HEADERS_TAG, mHeaders);
if (mCurrentHeader != null) {
int index = mHeaders.indexOf(mCurrentHeader);
if (index >= 0) {
outState.putInt(CUR_HEADER_TAG, index);
outState.putInt(SAVE_KEY_CURRENT_HEADER_TAG, index);
}
}
}
// Save the current fragment, if it is the same as originally launched
if (mCurrentHeader != null) {
outState.putParcelable(SAVE_KEY_CURRENT_HEADER, mCurrentHeader);
}
}
@Override
@@ -754,7 +743,7 @@ public class SettingsActivity extends Activity
* @param validate true means that the fragment's Header needs to be validated
*/
private void switchToHeader(Header header, boolean validate) {
if (mCurHeader == header) {
if (mCurrentHeader == header) {
// This is the header we are currently displaying. Just make sure
// to pop the stack up to its root state.
getFragmentManager().popBackStack(BACK_STACK_PREFS,
@@ -779,7 +768,7 @@ public class SettingsActivity extends Activity
}
private void setSelectedHeader(Header header) {
mCurHeader = header;
mCurrentHeader = header;
int index = mHeaders.indexOf(header);
if (mDrawer != null) {
if (index >= 0) {
@@ -797,7 +786,6 @@ public class SettingsActivity extends Activity
header.fragment = fragmentClass;
header.title = getTitle();
header.fragmentArguments = getIntent().getExtras();
mCurrentHeader = header;
return header;
}
@@ -1589,7 +1577,7 @@ public class SettingsActivity extends Activity
}
Object item = mHeaderAdapter.getItem(position);
if (item instanceof Header) {
mCurrentHeader = (Header) item;
mSelectedHeader = (Header) item;
}
}