SettingsActivity.java revision 2fb8e5eecf0b472c00c40ab01d7bae81bdd4459f 
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.inputmethod.latin.settings;
18
19import com.android.inputmethod.latin.utils.FragmentUtils;
20import com.android.inputmethod.latin.utils.StatsUtils;
21import com.android.inputmethod.latin.utils.StatsUtilsManager;
22
23import android.app.ActionBar;
24import android.content.Intent;
25import android.os.Bundle;
26import android.preference.PreferenceActivity;
27import android.view.MenuItem;
28
29public final class SettingsActivity extends PreferenceActivity {
30    private static final String DEFAULT_FRAGMENT = SettingsFragment.class.getName();
31
32    public static final String EXTRA_SHOW_HOME_AS_UP = "show_home_as_up";
33    public static final String EXTRA_ENTRY_KEY = "entry";
34    public static final String EXTRA_ENTRY_VALUE_LONG_PRESS_COMMA = "long_press_comma";
35    public static final String EXTRA_ENTRY_VALUE_APP_ICON = "app_icon";
36    public static final String EXTRA_ENTRY_VALUE_NOTICE_DIALOG = "important_notice";
37    public static final String EXTRA_ENTRY_VALUE_SYSTEM_SETTINGS = "system_settings";
38
39    private boolean mShowHomeAsUp;
40
41    @Override
42    protected void onCreate(final Bundle savedState) {
43        super.onCreate(savedState);
44        final ActionBar actionBar = getActionBar();
45        final Intent intent = getIntent();
46        if (actionBar != null) {
47            mShowHomeAsUp = intent.getBooleanExtra(EXTRA_SHOW_HOME_AS_UP, true);
48            actionBar.setDisplayHomeAsUpEnabled(mShowHomeAsUp);
49            actionBar.setHomeButtonEnabled(mShowHomeAsUp);
50        }
51        StatsUtils.onSettingsActivity(
52                intent.hasExtra(EXTRA_ENTRY_KEY) ? intent.getStringExtra(EXTRA_ENTRY_KEY)
53                        : EXTRA_ENTRY_VALUE_SYSTEM_SETTINGS);
54    }
55
56    @Override
57    public boolean onOptionsItemSelected(final MenuItem item) {
58        if (mShowHomeAsUp && item.getItemId() == android.R.id.home) {
59            finish();
60            return true;
61        }
62        return super.onOptionsItemSelected(item);
63    }
64
65    @Override
66    public Intent getIntent() {
67        final Intent intent = super.getIntent();
68        final String fragment = intent.getStringExtra(EXTRA_SHOW_FRAGMENT);
69        if (fragment == null) {
70            intent.putExtra(EXTRA_SHOW_FRAGMENT, DEFAULT_FRAGMENT);
71        }
72        intent.putExtra(EXTRA_NO_HEADERS, true);
73        return intent;
74    }
75
76    @Override
77    public boolean isValidFragment(final String fragmentName) {
78        return FragmentUtils.isValidFragment(fragmentName);
79    }
80}
81