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Added settings. Changed a bit if UI.
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202 changes: 202 additions & 0 deletions
202
app/src/main/java/com/bluealeaf/dota2ticker/SettingsActivity.java
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| Original file line number | Diff line number | Diff line change |
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| package com.bluealeaf.dota2ticker; | ||
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| import android.annotation.TargetApi; | ||
| import android.content.Context; | ||
| import android.content.res.Configuration; | ||
| import android.os.Build; | ||
| import android.os.Bundle; | ||
| import android.preference.ListPreference; | ||
| import android.preference.Preference; | ||
| import android.preference.PreferenceActivity; | ||
| import android.preference.PreferenceCategory; | ||
| import android.preference.PreferenceFragment; | ||
| import android.preference.PreferenceManager; | ||
| import android.preference.PreferenceScreen; | ||
| import android.support.v7.widget.Toolbar; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.widget.LinearLayout; | ||
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| import java.util.List; | ||
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| /** | ||
| * A {@link PreferenceActivity} that presents a set of application settings. On | ||
| * handset devices, settings are presented as a single list. On tablets, | ||
| * settings are split by category, with category headers shown to the left of | ||
| * the list of settings. | ||
| * <p/> | ||
| * See <a href="http://developer.android.com/design/patterns/settings.html"> | ||
| * Android Design: Settings</a> for design guidelines and the <a | ||
| * href="http://developer.android.com/guide/topics/ui/settings.html">Settings | ||
| * API Guide</a> for more information on developing a Settings UI. | ||
| */ | ||
| public class SettingsActivity extends PreferenceActivity { | ||
| /** | ||
| * Determines whether to always show the simplified settings UI, where | ||
| * settings are presented in a single list. When false, settings are shown | ||
| * as a master/detail two-pane view on tablets. When true, a single pane is | ||
| * shown on tablets. | ||
| */ | ||
| private static final boolean ALWAYS_SIMPLE_PREFS = false; | ||
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| @Override | ||
| protected void onPostCreate(Bundle savedInstanceState) { | ||
| super.onPostCreate(savedInstanceState); | ||
| LinearLayout root = (LinearLayout)findViewById(android.R.id.list).getParent().getParent().getParent(); | ||
| Toolbar bar = (Toolbar) LayoutInflater.from(this).inflate(R.layout.settings_toolbar, root, false); | ||
| root.addView(bar, 0); // insert at top | ||
| bar.setNavigationOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View v) { | ||
| finish(); | ||
| } | ||
| }); | ||
| setupSimplePreferencesScreen(); | ||
| } | ||
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|
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| /** | ||
| * Shows the simplified settings UI if the device configuration if the | ||
| * device configuration dictates that a simplified, single-pane UI should be | ||
| * shown. | ||
| */ | ||
| private void setupSimplePreferencesScreen() { | ||
| if (!isSimplePreferences(this)) { | ||
| return; | ||
| } | ||
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| // In the simplified UI, fragments are not used at all and we instead | ||
| // use the older PreferenceActivity APIs. | ||
| addPreferencesFromResource(R.xml.pref_empty); | ||
| // Add 'general' preferences. | ||
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| PreferenceCategory fakeHeader = new PreferenceCategory(this); | ||
| fakeHeader.setTitle(R.string.pref_header_general); | ||
| PreferenceScreen screen = getPreferenceScreen(); | ||
| screen.addPreference(fakeHeader); | ||
| addPreferencesFromResource(R.xml.pref_general); | ||
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| // Bind the summaries of EditText/List/Dialog/Ringtone preferences to | ||
| // their values. When their values change, their summaries are updated | ||
| // to reflect the new value, per the Android Design guidelines. | ||
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| bindPreferenceSummaryToValue(findPreference("alarm_list")); | ||
| } | ||
|
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public boolean onIsMultiPane() { | ||
| return isXLargeTablet(this) && !isSimplePreferences(this); | ||
| } | ||
|
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| /** | ||
| * Helper method to determine if the device has an extra-large screen. For | ||
| * example, 10" tablets are extra-large. | ||
| */ | ||
| private static boolean isXLargeTablet(Context context) { | ||
| return (context.getResources().getConfiguration().screenLayout | ||
| & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_XLARGE; | ||
| } | ||
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| /** | ||
| * Determines whether the simplified settings UI should be shown. This is | ||
| * true if this is forced via {@link #ALWAYS_SIMPLE_PREFS}, or the device | ||
| * doesn't have newer APIs like {@link PreferenceFragment}, or the device | ||
| * doesn't have an extra-large screen. In these cases, a single-pane | ||
| * "simplified" settings UI should be shown. | ||
| */ | ||
| private static boolean isSimplePreferences(Context context) { | ||
| return ALWAYS_SIMPLE_PREFS | ||
| || Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB | ||
| || !isXLargeTablet(context); | ||
| } | ||
|
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| @TargetApi(Build.VERSION_CODES.HONEYCOMB) | ||
| public void onBuildHeaders(List<Header> target) { | ||
| if (!isSimplePreferences(this)) { | ||
| loadHeadersFromResource(R.xml.pref_headers, target); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * A preference value change listener that updates the preference's summary | ||
| * to reflect its new value. | ||
| */ | ||
| private static Preference.OnPreferenceChangeListener sBindPreferenceSummaryToValueListener = new Preference.OnPreferenceChangeListener() { | ||
| @Override | ||
| public boolean onPreferenceChange(Preference preference, Object value) { | ||
| String stringValue = value.toString(); | ||
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| if (preference instanceof ListPreference) { | ||
| // For list preferences, look up the correct display value in | ||
| // the preference's 'entries' list. | ||
| ListPreference listPreference = (ListPreference) preference; | ||
| int index = listPreference.findIndexOfValue(stringValue); | ||
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| // Set the summary to reflect the new value. | ||
| preference.setSummary( | ||
| index >= 0 | ||
| ? "You would be notified "+listPreference.getEntries()[index].toString() + " before matches." | ||
| : "Set the number of minutes before which you want to be notified of a match."); | ||
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| } | ||
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| else { | ||
| // For all other preferences, set the summary to the value's | ||
| // simple string representation. | ||
| preference.setSummary(stringValue); | ||
| } | ||
| return true; | ||
| } | ||
| }; | ||
|
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| /** | ||
| * Binds a preference's summary to its value. More specifically, when the | ||
| * preference's value is changed, its summary (line of text below the | ||
| * preference title) is updated to reflect the value. The summary is also | ||
| * immediately updated upon calling this method. The exact display format is | ||
| * dependent on the type of preference. | ||
| * | ||
| * @see #sBindPreferenceSummaryToValueListener | ||
| */ | ||
| private static void bindPreferenceSummaryToValue(Preference preference) { | ||
| // Set the listener to watch for value changes. | ||
| preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener); | ||
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| // Trigger the listener immediately with the preference's | ||
| // current value. | ||
| sBindPreferenceSummaryToValueListener.onPreferenceChange(preference, | ||
| PreferenceManager | ||
| .getDefaultSharedPreferences(preference.getContext()) | ||
| .getString(preference.getKey(), "")); | ||
| } | ||
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| /** | ||
| * This fragment shows general preferences only. It is used when the | ||
| * activity is showing a two-pane settings UI. | ||
| */ | ||
| @TargetApi(Build.VERSION_CODES.HONEYCOMB) | ||
| public static class GeneralPreferenceFragment extends PreferenceFragment { | ||
| @Override | ||
| public void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
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| addPreferencesFromResource(R.xml.pref_general); | ||
|
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| // Bind the summaries of EditText/List/Dialog/Ringtone preferences | ||
| // to their values. When their values change, their summaries are | ||
| // updated to reflect the new value, per the Android Design | ||
| // guidelines. | ||
|
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| bindPreferenceSummaryToValue(findPreference("alarm_list")); | ||
| } | ||
| } | ||
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| } |
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