Help fallbacks and intent work
- Handle a backup URI, so that if the specified URI is not available, another can be used. - Add some data to help intents when they are intent URIs - Fill in the context with a classname when it isn't present Bug: 15475009 Change-Id: I7050fa61121901929e650b20bd7a0ae21e8ba207
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@@ -588,7 +588,7 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
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final MenuItem help = menu.findItem(R.id.data_usage_menu_help);
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String helpUrl;
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if (!TextUtils.isEmpty(helpUrl = getResources().getString(R.string.help_url_data_usage))) {
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HelpUtils.prepareHelpMenuItem(context, help, helpUrl);
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HelpUtils.prepareHelpMenuItem(context, help, helpUrl, getClass().getName());
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} else {
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help.setVisible(false);
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}
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@@ -21,9 +21,11 @@ import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.content.res.Resources.Theme;
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import android.net.Uri;
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import android.text.TextUtils;
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import android.util.Log;
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import android.util.TypedValue;
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import android.view.Menu;
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import android.view.MenuItem;
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@@ -49,6 +51,12 @@ public class HelpUtils {
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*/
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private final static String PARAM_VERSION = "version";
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// Constants for help intents.
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private static final String EXTRA_CONTEXT = "EXTRA_CONTEXT";
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private static final String EXTRA_THEME = "EXTRA_THEME";
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private static final String EXTRA_PRIMARY_COLOR = "EXTRA_PRIMARY_COLOR";
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private static final String EXTRA_BACKUP_URI = "EXTRA_BACKUP_URI";
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/**
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* Cached version code to prevent repeated calls to the package manager.
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*/
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@@ -57,29 +65,17 @@ public class HelpUtils {
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/** Static helper that is not instantiable*/
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private HelpUtils() { }
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public static boolean prepareHelpMenuItem(Context context, Menu menu, String helpUri) {
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public static boolean prepareHelpMenuItem(Context context, Menu menu, String helpUri,
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String backupContext) {
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MenuItem helpItem = menu.add(0, MENU_HELP, 0, R.string.help_label);
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return prepareHelpMenuItem(context, helpItem, helpUri);
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return prepareHelpMenuItem(context, helpItem, helpUri, backupContext);
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}
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public static boolean prepareHelpMenuItem(Context context, Menu menu, int helpUriResource) {
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public static boolean prepareHelpMenuItem(Context context, Menu menu, int helpUriResource,
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String backupContext) {
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MenuItem helpItem = menu.add(0, MENU_HELP, 0, R.string.help_label);
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return prepareHelpMenuItem(context, helpItem, context.getString(helpUriResource));
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}
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/**
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* Prepares the help menu item by doing the following.
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* - If the string corresponding to the helpUrlResourceId is empty or null, then the help menu
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* item is made invisible.
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* - Otherwise, this makes the help menu item visible and sets the intent for the help menu
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* item to view the URL.
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*
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* @return returns whether the help menu item has been made visible.
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*/
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public static boolean prepareHelpMenuItem(Context context, MenuItem helpMenuItem,
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int helpUrlResourceId) {
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String helpUrlString = context.getResources().getString(helpUrlResourceId);
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return prepareHelpMenuItem(context, helpMenuItem, helpUrlString);
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return prepareHelpMenuItem(context, helpItem, context.getString(helpUriResource),
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backupContext);
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}
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/**
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@@ -91,7 +87,7 @@ public class HelpUtils {
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* @return returns whether the help menu item has been made visible.
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*/
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public static boolean prepareHelpMenuItem(Context context, MenuItem helpMenuItem,
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String helpUriString) {
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String helpUriString, String backupContext) {
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if (TextUtils.isEmpty(helpUriString)) {
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// The help url string is empty or null, so set the help menu item to be invisible.
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helpMenuItem.setVisible(false);
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@@ -99,12 +95,11 @@ public class HelpUtils {
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// return that the help menu item is not visible (i.e. false)
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return false;
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} else {
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Intent intent = getHelpIntent(context, helpUriString);
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Intent intent = getHelpIntent(context, helpUriString, backupContext);
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// Set the intent to the help menu item, show the help menu item in the overflow
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// menu, and make it visible.
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ComponentName component = intent.resolveActivity(context.getPackageManager());
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if (component != null) {
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if (intent != null) {
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helpMenuItem.setIntent(intent);
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helpMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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helpMenuItem.setVisible(true);
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@@ -118,11 +113,23 @@ public class HelpUtils {
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}
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}
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public static Intent getHelpIntent(Context context, String helpUriString) {
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public static Intent getHelpIntent(Context context, String helpUriString,
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String backupContext) {
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// Try to handle as Intent Uri, otherwise just treat as Uri.
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try {
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return Intent.parseUri(helpUriString,
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Intent intent = Intent.parseUri(helpUriString,
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Intent.URI_ANDROID_APP_SCHEME | Intent.URI_INTENT_SCHEME);
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addIntentParameters(context, intent, backupContext);
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ComponentName component = intent.resolveActivity(context.getPackageManager());
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if (component != null) {
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return intent;
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} else if (intent.hasExtra(EXTRA_BACKUP_URI)) {
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// This extra contains a backup URI for when the intent isn't available.
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return getHelpIntent(context, intent.getStringExtra(EXTRA_BACKUP_URI),
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backupContext);
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} else {
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return null;
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}
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} catch (URISyntaxException e) {
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}
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// The help url string exists, so first add in some extra query parameters.
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@@ -136,6 +143,18 @@ public class HelpUtils {
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return intent;
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}
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private static void addIntentParameters(Context context, Intent intent, String backupContext) {
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if (!intent.hasExtra(EXTRA_CONTEXT)) {
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// Insert some context if none exists.
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intent.putExtra(EXTRA_CONTEXT, backupContext);
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}
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intent.putExtra(EXTRA_THEME, 1 /* Light, dark action bar */);
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Theme theme = context.getTheme();
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TypedValue typedValue = new TypedValue();
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theme.resolveAttribute(android.R.attr.colorPrimary, typedValue, true);
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intent.putExtra(EXTRA_PRIMARY_COLOR, context.getColor(typedValue.resourceId));
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}
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/**
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* Adds two query parameters into the Uri, namely the language code and the version code
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* of the app's package as gotten via the context.
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@@ -294,7 +294,7 @@ public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceF
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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if (mHelpUri != null && getActivity() != null) {
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, mHelpUri);
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, mHelpUri, getClass().getName());
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}
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}
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@@ -461,7 +461,7 @@ public class ManageApplications extends InstrumentedFragment
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return;
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}
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, mListType == LIST_TYPE_MAIN
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? R.string.help_uri_apps : R.string.help_uri_notifications);
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? R.string.help_uri_apps : R.string.help_uri_notifications, getClass().getName());
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mOptionsMenu = menu;
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inflater.inflate(R.menu.manage_apps, menu);
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updateOptionsMenu();
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@@ -87,7 +87,8 @@ public class DashboardSummary extends InstrumentedFragment {
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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super.onCreateOptionsMenu(menu, inflater);
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, R.string.help_uri_dashboard);
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, R.string.help_uri_dashboard,
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getClass().getName());
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}
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@Override
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@@ -542,7 +542,7 @@ public class FingerprintSettings extends SubSettings {
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@Override
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public void onClick(View widget) {
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Context ctx = widget.getContext();
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Intent intent = HelpUtils.getHelpIntent(ctx, getURL());
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Intent intent = HelpUtils.getHelpIntent(ctx, getURL(), ctx.getClass().getName());
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try {
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ctx.startActivity(intent);
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} catch (ActivityNotFoundException e) {
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@@ -135,7 +135,7 @@ public class PowerUsageSummary extends PowerUsageBase {
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String helpUrl;
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if (!TextUtils.isEmpty(helpUrl = getResources().getString(R.string.help_url_battery))) {
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final MenuItem help = menu.add(0, MENU_HELP, 0, R.string.help_label);
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HelpUtils.prepareHelpMenuItem(getActivity(), help, helpUrl);
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HelpUtils.prepareHelpMenuItem(getActivity(), help, helpUrl, getClass().getName());
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}
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}
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@@ -61,7 +61,8 @@ public class AndroidBeam extends InstrumentedFragment
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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super.onCreateOptionsMenu(menu, inflater);
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, R.string.help_uri_beam);
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, R.string.help_uri_beam,
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getClass().getName());
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}
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@Override
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