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 17 package com.android.inputmethod.latin.settings; 18 19 import com.android.inputmethod.latin.utils.FragmentUtils; 20 21 import android.app.ActionBar; 22 import android.content.Intent; 23 import android.os.Bundle; 24 import android.preference.PreferenceActivity; 25 import android.view.MenuItem; 26 27 public final class SettingsActivity extends PreferenceActivity { 28 public static final String EXTRA_SHOW_HOME_AS_UP = "show_home_as_up"; 29 private static final String DEFAULT_FRAGMENT = SettingsFragment.class.getName(); 30 private boolean mShowHomeAsUp; 31 32 @Override 33 protected void onCreate(final Bundle savedState) { 34 super.onCreate(savedState); 35 final ActionBar actionBar = getActionBar(); 36 if (actionBar != null) { 37 mShowHomeAsUp = getIntent().getBooleanExtra(EXTRA_SHOW_HOME_AS_UP, true); 38 actionBar.setDisplayHomeAsUpEnabled(mShowHomeAsUp); 39 actionBar.setHomeButtonEnabled(mShowHomeAsUp); 40 } 41 } 42 43 @Override 44 public boolean onOptionsItemSelected(final MenuItem item) { 45 if (mShowHomeAsUp && item.getItemId() == android.R.id.home) { 46 finish(); 47 return true; 48 } 49 return super.onOptionsItemSelected(item); 50 } 51 52 @Override 53 public Intent getIntent() { 54 final Intent intent = super.getIntent(); 55 final String fragment = intent.getStringExtra(EXTRA_SHOW_FRAGMENT); 56 if (fragment == null) { 57 intent.putExtra(EXTRA_SHOW_FRAGMENT, DEFAULT_FRAGMENT); 58 } 59 intent.putExtra(EXTRA_NO_HEADERS, true); 60 return intent; 61 } 62 63 @Override 64 public boolean isValidFragment(final String fragmentName) { 65 return FragmentUtils.isValidFragment(fragmentName); 66 } 67 } 68
