src/com/android/contacts/activities/ContactSelectionActivity.java - platform/packages/apps/Contacts - Git at Google

 /*
  * Copyright (C) 2007 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.contacts.activities;

 import android.app.ActionBar;
 import android.app.ActionBar.LayoutParams;
 import android.app.Activity;
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Intents.Insert;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnFocusChangeListener;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.SearchView;
 import android.widget.SearchView.OnCloseListener;
 import android.widget.SearchView.OnQueryTextListener;

 import com.android.contacts.ContactsActivity;
 import com.android.contacts.R;
 import com.android.contacts.list.ContactEntryListFragment;
 import com.android.contacts.list.ContactPickerFragment;
 import com.android.contacts.list.ContactsIntentResolver;
 import com.android.contacts.list.ContactsRequest;
 import com.android.contacts.list.DirectoryListLoader;
 import com.android.contacts.list.EmailAddressPickerFragment;
 import com.android.contacts.list.OnContactPickerActionListener;
 import com.android.contacts.list.OnEmailAddressPickerActionListener;
 import com.android.contacts.list.OnPhoneNumberPickerActionListener;
 import com.android.contacts.list.OnPostalAddressPickerActionListener;
 import com.android.contacts.list.PhoneNumberPickerFragment;
 import com.android.contacts.list.PostalAddressPickerFragment;
 import com.android.contacts.widget.ContextMenuAdapter;
 import com.google.common.collect.Sets;

 import java.util.Set;

 /**
  * Displays a list of contacts (or phone numbers or postal addresses) for the
  * purposes of selecting one.
  */
 public class ContactSelectionActivity extends ContactsActivity
         implements View.OnCreateContextMenuListener, OnQueryTextListener, OnClickListener,
                 OnCloseListener, OnFocusChangeListener {
     private static final String TAG = "ContactSelectionActivity";

     private static final int SUBACTIVITY_ADD_TO_EXISTING_CONTACT = 0;

     private static final String KEY_ACTION_CODE = "actionCode";
     private static final int DEFAULT_DIRECTORY_RESULT_LIMIT = 20;

     // Delay to allow the UI to settle before making search view visible
     private static final int FOCUS_DELAY = 200;

     private ContactsIntentResolver mIntentResolver;
     protected ContactEntryListFragment<?> mListFragment;

     private int mActionCode = -1;

     private ContactsRequest mRequest;
     private SearchView mSearchView;
     /**
      * Can be null. If null, the "Create New Contact" button should be on the menu.
      */
     private View mCreateNewContactButton;

     public ContactSelectionActivity() {
         mIntentResolver = new ContactsIntentResolver(this);
     }

     @Override
     public void onAttachFragment(Fragment fragment) {
         if (fragment instanceof ContactEntryListFragment<?>) {
             mListFragment = (ContactEntryListFragment<?>) fragment;
             setupActionListener();
         }
     }

     @Override
     protected void onCreate(Bundle savedState) {
         super.onCreate(savedState);

         if (savedState != null) {
             mActionCode = savedState.getInt(KEY_ACTION_CODE);
         }

         // Extract relevant information from the intent
         mRequest = mIntentResolver.resolveIntent(getIntent());
         if (!mRequest.isValid()) {
             setResult(RESULT_CANCELED);
             finish();
             return;
         }

         Intent redirect = mRequest.getRedirectIntent();
         if (redirect != null) {
             // Need to start a different activity
             startActivity(redirect);
             finish();
             return;
         }

         configureActivityTitle();

         setContentView(R.layout.contact_picker);

         if (mActionCode != mRequest.getActionCode()) {
             mActionCode = mRequest.getActionCode();
             configureListFragment();
         }

         prepareSearchViewAndActionBar();

         mCreateNewContactButton = findViewById(R.id.new_contact);
         if (mCreateNewContactButton != null) {
             if (shouldShowCreateNewContactButton()) {
                 mCreateNewContactButton.setVisibility(View.VISIBLE);
                 mCreateNewContactButton.setOnClickListener(this);
             } else {
                 mCreateNewContactButton.setVisibility(View.GONE);
             }
         }
     }

     private boolean shouldShowCreateNewContactButton() {
         return (mActionCode == ContactsRequest.ACTION_INSERT_OR_EDIT_CONTACT
                 || (mActionCode == ContactsRequest.ACTION_PICK_OR_CREATE_CONTACT
                         && !mRequest.isSearchMode()));
     }

     private void prepareSearchViewAndActionBar() {
         // Postal address pickers (and legacy pickers) don't support search, so just show
         // "HomeAsUp" button and title.
         if (mRequest.getActionCode() == ContactsRequest.ACTION_PICK_POSTAL ||
                 mRequest.isLegacyCompatibilityMode()) {
             findViewById(R.id.search_view).setVisibility(View.GONE);
             final ActionBar actionBar = getActionBar();
             if (actionBar != null) {
                 actionBar.setDisplayShowHomeEnabled(true);
                 actionBar.setDisplayHomeAsUpEnabled(true);
                 actionBar.setDisplayShowTitleEnabled(true);
             }
             return;
         }

         // If ActionBar is available, show SearchView on it. If not, show SearchView inside the
         // Activity's layout.
         final ActionBar actionBar = getActionBar();
         if (actionBar != null) {
             final View searchViewOnLayout = findViewById(R.id.search_view);
             if (searchViewOnLayout != null) {
                 searchViewOnLayout.setVisibility(View.GONE);
             }

             final View searchViewContainer = LayoutInflater.from(actionBar.getThemedContext())
                     .inflate(R.layout.custom_action_bar, null);
             mSearchView = (SearchView) searchViewContainer.findViewById(R.id.search_view);

             // In order to make the SearchView look like "shown via search menu", we need to
             // manually setup its state. See also DialtactsActivity.java and ActionBarAdapter.java.
             mSearchView.setIconifiedByDefault(true);
             mSearchView.setQueryHint(getString(R.string.hint_findContacts));
             mSearchView.setIconified(false);

             mSearchView.setOnQueryTextListener(this);
             mSearchView.setOnCloseListener(this);
             mSearchView.setOnQueryTextFocusChangeListener(this);

             actionBar.setCustomView(searchViewContainer,
                     new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
             actionBar.setDisplayShowCustomEnabled(true);
             actionBar.setDisplayShowHomeEnabled(true);
             actionBar.setDisplayHomeAsUpEnabled(true);
         } else {
             mSearchView = (SearchView) findViewById(R.id.search_view);
             mSearchView.setQueryHint(getString(R.string.hint_findContacts));
             mSearchView.setOnQueryTextListener(this);

             // This is a hack to prevent the search view from grabbing focus
             // at this point.  If search view were visible, it would always grabs focus
             // because it is the first focusable widget in the window.
             mSearchView.setVisibility(View.INVISIBLE);
             mSearchView.postDelayed(new Runnable() {
                 @Override
                 public void run() {
                     mSearchView.setVisibility(View.VISIBLE);
                 }
             }, FOCUS_DELAY);
         }

         // Clear focus and suppress keyboard show-up.
         mSearchView.clearFocus();
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // If we want "Create New Contact" button but there's no such a button in the layout,
         // try showing a menu for it.
         if (shouldShowCreateNewContactButton() && mCreateNewContactButton == null) {
             MenuInflater inflater = getMenuInflater();
             inflater.inflate(R.menu.contact_picker_options, menu);
         }
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case android.R.id.home:
                 // Go back to previous screen, intending "cancel"
                 setResult(RESULT_CANCELED);
                 finish();
                 return true;
             case R.id.create_new_contact: {
                 startCreateNewContactActivity();
                 return true;
             }
         }
         return super.onOptionsItemSelected(item);
     }

     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putInt(KEY_ACTION_CODE, mActionCode);
     }

     private void configureActivityTitle() {
         if (mRequest.getActivityTitle() != null) {
             setTitle(mRequest.getActivityTitle());
             return;
         }

         int actionCode = mRequest.getActionCode();
         switch (actionCode) {
             case ContactsRequest.ACTION_INSERT_OR_EDIT_CONTACT: {
                 setTitle(R.string.contactPickerActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_PICK_CONTACT: {
                 setTitle(R.string.contactPickerActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_PICK_OR_CREATE_CONTACT: {
                 setTitle(R.string.contactPickerActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_CREATE_SHORTCUT_CONTACT: {
                 setTitle(R.string.shortcutActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_PICK_PHONE: {
                 setTitle(R.string.contactPickerActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_PICK_EMAIL: {
                 setTitle(R.string.contactPickerActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_CREATE_SHORTCUT_CALL: {
                 setTitle(R.string.callShortcutActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_CREATE_SHORTCUT_SMS: {
                 setTitle(R.string.messageShortcutActivityTitle);
                 break;
             }

             case ContactsRequest.ACTION_PICK_POSTAL: {
                 setTitle(R.string.contactPickerActivityTitle);
                 break;
             }
         }
     }

     /**
      * Creates the fragment based on the current request.
      */
     public void configureListFragment() {
         switch (mActionCode) {
             case ContactsRequest.ACTION_INSERT_OR_EDIT_CONTACT: {
                 ContactPickerFragment fragment = new ContactPickerFragment();
                 fragment.setEditMode(true);
                 fragment.setDirectorySearchMode(DirectoryListLoader.SEARCH_MODE_NONE);
                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_PICK_CONTACT: {
                 ContactPickerFragment fragment = new ContactPickerFragment();
                 fragment.setIncludeProfile(mRequest.shouldIncludeProfile());
                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_PICK_OR_CREATE_CONTACT: {
                 ContactPickerFragment fragment = new ContactPickerFragment();
                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_CREATE_SHORTCUT_CONTACT: {
                 ContactPickerFragment fragment = new ContactPickerFragment();
                 fragment.setShortcutRequested(true);
                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_PICK_PHONE: {
                 PhoneNumberPickerFragment fragment = new PhoneNumberPickerFragment();
                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_PICK_EMAIL: {
                 mListFragment = new EmailAddressPickerFragment();
                 break;
             }

             case ContactsRequest.ACTION_CREATE_SHORTCUT_CALL: {
                 PhoneNumberPickerFragment fragment = new PhoneNumberPickerFragment();
                 fragment.setShortcutAction(Intent.ACTION_CALL);

                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_CREATE_SHORTCUT_SMS: {
                 PhoneNumberPickerFragment fragment = new PhoneNumberPickerFragment();
                 fragment.setShortcutAction(Intent.ACTION_SENDTO);

                 mListFragment = fragment;
                 break;
             }

             case ContactsRequest.ACTION_PICK_POSTAL: {
                 PostalAddressPickerFragment fragment = new PostalAddressPickerFragment();
                 mListFragment = fragment;
                 break;
             }

             default:
                 throw new IllegalStateException("Invalid action code: " + mActionCode);
         }

         mListFragment.setLegacyCompatibilityMode(mRequest.isLegacyCompatibilityMode());
         mListFragment.setDirectoryResultLimit(DEFAULT_DIRECTORY_RESULT_LIMIT);

         getFragmentManager().beginTransaction()
                 .replace(R.id.list_container, mListFragment)
                 .commitAllowingStateLoss();
     }

     public void setupActionListener() {
         if (mListFragment instanceof ContactPickerFragment) {
             ((ContactPickerFragment) mListFragment).setOnContactPickerActionListener(
                     new ContactPickerActionListener());
         } else if (mListFragment instanceof PhoneNumberPickerFragment) {
             ((PhoneNumberPickerFragment) mListFragment).setOnPhoneNumberPickerActionListener(
                     new PhoneNumberPickerActionListener());
         } else if (mListFragment instanceof PostalAddressPickerFragment) {
             ((PostalAddressPickerFragment) mListFragment).setOnPostalAddressPickerActionListener(
                     new PostalAddressPickerActionListener());
         } else if (mListFragment instanceof EmailAddressPickerFragment) {
             ((EmailAddressPickerFragment) mListFragment).setOnEmailAddressPickerActionListener(
                     new EmailAddressPickerActionListener());
         } else {
             throw new IllegalStateException("Unsupported list fragment type: " + mListFragment);
         }
     }

     private final class ContactPickerActionListener implements OnContactPickerActionListener {
         @Override
         public void onCreateNewContactAction() {
             startCreateNewContactActivity();
         }

         @Override
         public void onEditContactAction(Uri contactLookupUri) {
             Bundle extras = getIntent().getExtras();
             if (launchAddToContactDialog(extras)) {
                 // Show a confirmation dialog to add the value(s) to the existing contact.
                 Intent intent = new Intent(ContactSelectionActivity.this,
                         ConfirmAddDetailActivity.class);
                 intent.setData(contactLookupUri);
                 if (extras != null) {
                     // First remove name key if present because the dialog does not support name
                     // editing. This is fine because the user wants to add information to an
                     // existing contact, who should already have a name and we wouldn't want to
                     // override the name.
                     extras.remove(Insert.NAME);
                     intent.putExtras(extras);
                 }

                 // Wait for the activity result because we want to keep the picker open (in case the
                 // user cancels adding the info to a contact and wants to pick someone else).
                 startActivityForResult(intent, SUBACTIVITY_ADD_TO_EXISTING_CONTACT);
             } else {
                 // Otherwise launch the full contact editor.
                 startActivityAndForwardResult(new Intent(Intent.ACTION_EDIT, contactLookupUri));
             }
         }

         @Override
         public void onPickContactAction(Uri contactUri) {
             returnPickerResult(contactUri);
         }

         @Override
         public void onShortcutIntentCreated(Intent intent) {
             returnPickerResult(intent);
         }

         /**
          * Returns true if is a single email or single phone number provided in the {@link Intent}
          * extras bundle so that a pop-up confirmation dialog can be used to add the data to
          * a contact. Otherwise return false if there are other intent extras that require launching
          * the full contact editor. Ignore extras with the key {@link Insert.NAME} because names
          * are a special case and we typically don't want to replace the name of an existing
          * contact.
          */
         private boolean launchAddToContactDialog(Bundle extras) {
             if (extras == null) {
                 return false;
             }

             // Copy extras because the set may be modified in the next step
             Set<String> intentExtraKeys = Sets.newHashSet();
             intentExtraKeys.addAll(extras.keySet());

             // Ignore name key because this is an existing contact.
             if (intentExtraKeys.contains(Insert.NAME)) {
                 intentExtraKeys.remove(Insert.NAME);
             }

             int numIntentExtraKeys = intentExtraKeys.size();
             if (numIntentExtraKeys == 2) {
                 boolean hasPhone = intentExtraKeys.contains(Insert.PHONE) &&
                         intentExtraKeys.contains(Insert.PHONE_TYPE);
                 boolean hasEmail = intentExtraKeys.contains(Insert.EMAIL) &&
                         intentExtraKeys.contains(Insert.EMAIL_TYPE);
                 return hasPhone || hasEmail;
             } else if (numIntentExtraKeys == 1) {
                 return intentExtraKeys.contains(Insert.PHONE) ||
                         intentExtraKeys.contains(Insert.EMAIL);
             }
             // Having 0 or more than 2 intent extra keys means that we should launch
             // the full contact editor to properly handle the intent extras.
             return false;
         }
     }

     private final class PhoneNumberPickerActionListener implements
             OnPhoneNumberPickerActionListener {
         @Override
         public void onPickPhoneNumberAction(Uri dataUri) {
             returnPickerResult(dataUri);
         }

         @Override
         public void onShortcutIntentCreated(Intent intent) {
             returnPickerResult(intent);
         }

         public void onHomeInActionBarSelected() {
             ContactSelectionActivity.this.onBackPressed();
         }
     }

     private final class PostalAddressPickerActionListener implements
             OnPostalAddressPickerActionListener {
         @Override
         public void onPickPostalAddressAction(Uri dataUri) {
             returnPickerResult(dataUri);
         }
     }

     private final class EmailAddressPickerActionListener implements
             OnEmailAddressPickerActionListener {
         @Override
         public void onPickEmailAddressAction(Uri dataUri) {
             returnPickerResult(dataUri);
         }
     }

     public void startActivityAndForwardResult(final Intent intent) {
         intent.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);

         // Forward extras to the new activity
         Bundle extras = getIntent().getExtras();
         if (extras != null) {
             intent.putExtras(extras);
         }
         startActivity(intent);
         finish();
     }

     @Override
     public boolean onContextItemSelected(MenuItem item) {
         ContextMenuAdapter menuAdapter = mListFragment.getContextMenuAdapter();
         if (menuAdapter != null) {
             return menuAdapter.onContextItemSelected(item);
         }

         return super.onContextItemSelected(item);
     }

     @Override
     public boolean onQueryTextChange(String newText) {
         mListFragment.setQueryString(newText, true);
         return false;
     }

     @Override
     public boolean onQueryTextSubmit(String query) {
         return false;
     }

     @Override
     public boolean onClose() {
         if (!TextUtils.isEmpty(mSearchView.getQuery())) {
             mSearchView.setQuery(null, true);
         }
         return true;
     }

     @Override
     public void onFocusChange(View view, boolean hasFocus) {
         switch (view.getId()) {
             case R.id.search_view: {
                 if (hasFocus) {
                     showInputMethod(mSearchView.findFocus());
                 }
             }
         }
     }

     public void returnPickerResult(Uri data) {
         Intent intent = new Intent();
         intent.setData(data);
         returnPickerResult(intent);
     }

     public void returnPickerResult(Intent intent) {
         intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
         setResult(RESULT_OK, intent);
         finish();
     }

     @Override
     public void onClick(View view) {
         switch (view.getId()) {
             case R.id.new_contact: {
                 startCreateNewContactActivity();
                 break;
             }
         }
     }

     private void startCreateNewContactActivity() {
         Intent intent = new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI);
         intent.putExtra(ContactEditorActivity.INTENT_KEY_FINISH_ACTIVITY_ON_SAVE_COMPLETED, true);
         startActivityAndForwardResult(intent);
     }

     private void showInputMethod(View view) {
         final InputMethodManager imm = (InputMethodManager)
                 getSystemService(Context.INPUT_METHOD_SERVICE);
         if (imm != null) {
             if (!imm.showSoftInput(view, 0)) {
                 Log.w(TAG, "Failed to show soft input method.");
             }
         }
     }

     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
         if (requestCode == SUBACTIVITY_ADD_TO_EXISTING_CONTACT) {
             if (resultCode == Activity.RESULT_OK) {
                 if (data != null) {
                     startActivity(data);
                 }
                 finish();
             }
         }
     }
 }
	/*
	* Copyright (C) 2007 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.contacts.activities;

	import android.app.ActionBar;
	import android.app.ActionBar.LayoutParams;
	import android.app.Activity;
	import android.app.Fragment;
	import android.content.Context;
	import android.content.Intent;
	import android.net.Uri;
	import android.os.Bundle;
	import android.provider.ContactsContract.Contacts;
	import android.provider.ContactsContract.Intents.Insert;
	import android.text.TextUtils;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.Menu;
	import android.view.MenuInflater;
	import android.view.MenuItem;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.view.View.OnFocusChangeListener;
	import android.view.inputmethod.InputMethodManager;
	import android.widget.SearchView;
	import android.widget.SearchView.OnCloseListener;
	import android.widget.SearchView.OnQueryTextListener;

	import com.android.contacts.ContactsActivity;
	import com.android.contacts.R;
	import com.android.contacts.list.ContactEntryListFragment;
	import com.android.contacts.list.ContactPickerFragment;
	import com.android.contacts.list.ContactsIntentResolver;
	import com.android.contacts.list.ContactsRequest;
	import com.android.contacts.list.DirectoryListLoader;
	import com.android.contacts.list.EmailAddressPickerFragment;
	import com.android.contacts.list.OnContactPickerActionListener;
	import com.android.contacts.list.OnEmailAddressPickerActionListener;
	import com.android.contacts.list.OnPhoneNumberPickerActionListener;
	import com.android.contacts.list.OnPostalAddressPickerActionListener;
	import com.android.contacts.list.PhoneNumberPickerFragment;
	import com.android.contacts.list.PostalAddressPickerFragment;
	import com.android.contacts.widget.ContextMenuAdapter;
	import com.google.common.collect.Sets;

	import java.util.Set;

	/**
	* Displays a list of contacts (or phone numbers or postal addresses) for the
	* purposes of selecting one.
	*/
	public class ContactSelectionActivity extends ContactsActivity
	implements View.OnCreateContextMenuListener, OnQueryTextListener, OnClickListener,
	OnCloseListener, OnFocusChangeListener {
	private static final String TAG = "ContactSelectionActivity";

	private static final int SUBACTIVITY_ADD_TO_EXISTING_CONTACT = 0;

	private static final String KEY_ACTION_CODE = "actionCode";
	private static final int DEFAULT_DIRECTORY_RESULT_LIMIT = 20;

	// Delay to allow the UI to settle before making search view visible
	private static final int FOCUS_DELAY = 200;

	private ContactsIntentResolver mIntentResolver;
	protected ContactEntryListFragment<?> mListFragment;

	private int mActionCode = -1;

	private ContactsRequest mRequest;
	private SearchView mSearchView;
	/**
	* Can be null. If null, the "Create New Contact" button should be on the menu.
	*/
	private View mCreateNewContactButton;

	public ContactSelectionActivity() {
	mIntentResolver = new ContactsIntentResolver(this);
	}

	@Override
	public void onAttachFragment(Fragment fragment) {
	if (fragment instanceof ContactEntryListFragment<?>) {
	mListFragment = (ContactEntryListFragment<?>) fragment;
	setupActionListener();
	}
	}

	@Override
	protected void onCreate(Bundle savedState) {
	super.onCreate(savedState);

	if (savedState != null) {
	mActionCode = savedState.getInt(KEY_ACTION_CODE);
	}

	// Extract relevant information from the intent
	mRequest = mIntentResolver.resolveIntent(getIntent());
	if (!mRequest.isValid()) {
	setResult(RESULT_CANCELED);
	finish();
	return;
	}

	Intent redirect = mRequest.getRedirectIntent();
	if (redirect != null) {
	// Need to start a different activity
	startActivity(redirect);
	finish();
	return;
	}

	configureActivityTitle();

	setContentView(R.layout.contact_picker);

	if (mActionCode != mRequest.getActionCode()) {
	mActionCode = mRequest.getActionCode();
	configureListFragment();
	}

	prepareSearchViewAndActionBar();

	mCreateNewContactButton = findViewById(R.id.new_contact);
	if (mCreateNewContactButton != null) {
	if (shouldShowCreateNewContactButton()) {
	mCreateNewContactButton.setVisibility(View.VISIBLE);
	mCreateNewContactButton.setOnClickListener(this);
	} else {
	mCreateNewContactButton.setVisibility(View.GONE);
	}
	}
	}

	private boolean shouldShowCreateNewContactButton() {
	return (mActionCode == ContactsRequest.ACTION_INSERT_OR_EDIT_CONTACT
	\|\| (mActionCode == ContactsRequest.ACTION_PICK_OR_CREATE_CONTACT
	&& !mRequest.isSearchMode()));
	}

	private void prepareSearchViewAndActionBar() {
	// Postal address pickers (and legacy pickers) don't support search, so just show
	// "HomeAsUp" button and title.
	if (mRequest.getActionCode() == ContactsRequest.ACTION_PICK_POSTAL \|\|
	mRequest.isLegacyCompatibilityMode()) {
	findViewById(R.id.search_view).setVisibility(View.GONE);
	final ActionBar actionBar = getActionBar();
	if (actionBar != null) {
	actionBar.setDisplayShowHomeEnabled(true);
	actionBar.setDisplayHomeAsUpEnabled(true);
	actionBar.setDisplayShowTitleEnabled(true);
	}
	return;
	}

	// If ActionBar is available, show SearchView on it. If not, show SearchView inside the
	// Activity's layout.
	final ActionBar actionBar = getActionBar();
	if (actionBar != null) {
	final View searchViewOnLayout = findViewById(R.id.search_view);
	if (searchViewOnLayout != null) {
	searchViewOnLayout.setVisibility(View.GONE);
	}

	final View searchViewContainer = LayoutInflater.from(actionBar.getThemedContext())
	.inflate(R.layout.custom_action_bar, null);
	mSearchView = (SearchView) searchViewContainer.findViewById(R.id.search_view);

	// In order to make the SearchView look like "shown via search menu", we need to
	// manually setup its state. See also DialtactsActivity.java and ActionBarAdapter.java.
	mSearchView.setIconifiedByDefault(true);
	mSearchView.setQueryHint(getString(R.string.hint_findContacts));
	mSearchView.setIconified(false);

	mSearchView.setOnQueryTextListener(this);
	mSearchView.setOnCloseListener(this);
	mSearchView.setOnQueryTextFocusChangeListener(this);

	actionBar.setCustomView(searchViewContainer,
	new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
	actionBar.setDisplayShowCustomEnabled(true);
	actionBar.setDisplayShowHomeEnabled(true);
	actionBar.setDisplayHomeAsUpEnabled(true);
	} else {
	mSearchView = (SearchView) findViewById(R.id.search_view);
	mSearchView.setQueryHint(getString(R.string.hint_findContacts));
	mSearchView.setOnQueryTextListener(this);

	// This is a hack to prevent the search view from grabbing focus
	// at this point. If search view were visible, it would always grabs focus
	// because it is the first focusable widget in the window.
	mSearchView.setVisibility(View.INVISIBLE);
	mSearchView.postDelayed(new Runnable() {
	@Override
	public void run() {
	mSearchView.setVisibility(View.VISIBLE);
	}
	}, FOCUS_DELAY);
	}

	// Clear focus and suppress keyboard show-up.
	mSearchView.clearFocus();
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	// If we want "Create New Contact" button but there's no such a button in the layout,
	// try showing a menu for it.
	if (shouldShowCreateNewContactButton() && mCreateNewContactButton == null) {
	MenuInflater inflater = getMenuInflater();
	inflater.inflate(R.menu.contact_picker_options, menu);
	}
	return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	switch (item.getItemId()) {
	case android.R.id.home:
	// Go back to previous screen, intending "cancel"
	setResult(RESULT_CANCELED);
	finish();
	return true;
	case R.id.create_new_contact: {
	startCreateNewContactActivity();
	return true;
	}
	}
	return super.onOptionsItemSelected(item);
	}

	@Override
	protected void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	outState.putInt(KEY_ACTION_CODE, mActionCode);
	}

	private void configureActivityTitle() {
	if (mRequest.getActivityTitle() != null) {
	setTitle(mRequest.getActivityTitle());
	return;
	}

	int actionCode = mRequest.getActionCode();
	switch (actionCode) {
	case ContactsRequest.ACTION_INSERT_OR_EDIT_CONTACT: {
	setTitle(R.string.contactPickerActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_PICK_CONTACT: {
	setTitle(R.string.contactPickerActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_PICK_OR_CREATE_CONTACT: {
	setTitle(R.string.contactPickerActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_CREATE_SHORTCUT_CONTACT: {
	setTitle(R.string.shortcutActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_PICK_PHONE: {
	setTitle(R.string.contactPickerActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_PICK_EMAIL: {
	setTitle(R.string.contactPickerActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_CREATE_SHORTCUT_CALL: {
	setTitle(R.string.callShortcutActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_CREATE_SHORTCUT_SMS: {
	setTitle(R.string.messageShortcutActivityTitle);
	break;
	}

	case ContactsRequest.ACTION_PICK_POSTAL: {
	setTitle(R.string.contactPickerActivityTitle);
	break;
	}
	}
	}

	/**
	* Creates the fragment based on the current request.
	*/
	public void configureListFragment() {
	switch (mActionCode) {
	case ContactsRequest.ACTION_INSERT_OR_EDIT_CONTACT: {
	ContactPickerFragment fragment = new ContactPickerFragment();
	fragment.setEditMode(true);
	fragment.setDirectorySearchMode(DirectoryListLoader.SEARCH_MODE_NONE);
	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_PICK_CONTACT: {
	ContactPickerFragment fragment = new ContactPickerFragment();
	fragment.setIncludeProfile(mRequest.shouldIncludeProfile());
	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_PICK_OR_CREATE_CONTACT: {
	ContactPickerFragment fragment = new ContactPickerFragment();
	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_CREATE_SHORTCUT_CONTACT: {
	ContactPickerFragment fragment = new ContactPickerFragment();
	fragment.setShortcutRequested(true);
	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_PICK_PHONE: {
	PhoneNumberPickerFragment fragment = new PhoneNumberPickerFragment();
	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_PICK_EMAIL: {
	mListFragment = new EmailAddressPickerFragment();
	break;
	}

	case ContactsRequest.ACTION_CREATE_SHORTCUT_CALL: {
	PhoneNumberPickerFragment fragment = new PhoneNumberPickerFragment();
	fragment.setShortcutAction(Intent.ACTION_CALL);

	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_CREATE_SHORTCUT_SMS: {
	PhoneNumberPickerFragment fragment = new PhoneNumberPickerFragment();
	fragment.setShortcutAction(Intent.ACTION_SENDTO);

	mListFragment = fragment;
	break;
	}

	case ContactsRequest.ACTION_PICK_POSTAL: {
	PostalAddressPickerFragment fragment = new PostalAddressPickerFragment();
	mListFragment = fragment;
	break;
	}

	default:
	throw new IllegalStateException("Invalid action code: " + mActionCode);
	}

	mListFragment.setLegacyCompatibilityMode(mRequest.isLegacyCompatibilityMode());
	mListFragment.setDirectoryResultLimit(DEFAULT_DIRECTORY_RESULT_LIMIT);

	getFragmentManager().beginTransaction()
	.replace(R.id.list_container, mListFragment)
	.commitAllowingStateLoss();
	}

	public void setupActionListener() {
	if (mListFragment instanceof ContactPickerFragment) {
	((ContactPickerFragment) mListFragment).setOnContactPickerActionListener(
	new ContactPickerActionListener());
	} else if (mListFragment instanceof PhoneNumberPickerFragment) {
	((PhoneNumberPickerFragment) mListFragment).setOnPhoneNumberPickerActionListener(
	new PhoneNumberPickerActionListener());
	} else if (mListFragment instanceof PostalAddressPickerFragment) {
	((PostalAddressPickerFragment) mListFragment).setOnPostalAddressPickerActionListener(
	new PostalAddressPickerActionListener());
	} else if (mListFragment instanceof EmailAddressPickerFragment) {
	((EmailAddressPickerFragment) mListFragment).setOnEmailAddressPickerActionListener(
	new EmailAddressPickerActionListener());
	} else {
	throw new IllegalStateException("Unsupported list fragment type: " + mListFragment);
	}
	}

	private final class ContactPickerActionListener implements OnContactPickerActionListener {
	@Override
	public void onCreateNewContactAction() {
	startCreateNewContactActivity();
	}

	@Override
	public void onEditContactAction(Uri contactLookupUri) {
	Bundle extras = getIntent().getExtras();
	if (launchAddToContactDialog(extras)) {
	// Show a confirmation dialog to add the value(s) to the existing contact.
	Intent intent = new Intent(ContactSelectionActivity.this,
	ConfirmAddDetailActivity.class);
	intent.setData(contactLookupUri);
	if (extras != null) {
	// First remove name key if present because the dialog does not support name
	// editing. This is fine because the user wants to add information to an
	// existing contact, who should already have a name and we wouldn't want to
	// override the name.
	extras.remove(Insert.NAME);
	intent.putExtras(extras);
	}

	// Wait for the activity result because we want to keep the picker open (in case the
	// user cancels adding the info to a contact and wants to pick someone else).
	startActivityForResult(intent, SUBACTIVITY_ADD_TO_EXISTING_CONTACT);
	} else {
	// Otherwise launch the full contact editor.
	startActivityAndForwardResult(new Intent(Intent.ACTION_EDIT, contactLookupUri));
	}
	}

	@Override
	public void onPickContactAction(Uri contactUri) {
	returnPickerResult(contactUri);
	}

	@Override
	public void onShortcutIntentCreated(Intent intent) {
	returnPickerResult(intent);
	}

	/**
	* Returns true if is a single email or single phone number provided in the {@link Intent}
	* extras bundle so that a pop-up confirmation dialog can be used to add the data to
	* a contact. Otherwise return false if there are other intent extras that require launching
	* the full contact editor. Ignore extras with the key {@link Insert.NAME} because names
	* are a special case and we typically don't want to replace the name of an existing
	* contact.
	*/
	private boolean launchAddToContactDialog(Bundle extras) {
	if (extras == null) {
	return false;
	}

	// Copy extras because the set may be modified in the next step
	Set<String> intentExtraKeys = Sets.newHashSet();
	intentExtraKeys.addAll(extras.keySet());

	// Ignore name key because this is an existing contact.
	if (intentExtraKeys.contains(Insert.NAME)) {
	intentExtraKeys.remove(Insert.NAME);
	}

	int numIntentExtraKeys = intentExtraKeys.size();
	if (numIntentExtraKeys == 2) {
	boolean hasPhone = intentExtraKeys.contains(Insert.PHONE) &&
	intentExtraKeys.contains(Insert.PHONE_TYPE);
	boolean hasEmail = intentExtraKeys.contains(Insert.EMAIL) &&
	intentExtraKeys.contains(Insert.EMAIL_TYPE);
	return hasPhone \|\| hasEmail;
	} else if (numIntentExtraKeys == 1) {
	return intentExtraKeys.contains(Insert.PHONE) \|\|
	intentExtraKeys.contains(Insert.EMAIL);
	}
	// Having 0 or more than 2 intent extra keys means that we should launch
	// the full contact editor to properly handle the intent extras.
	return false;
	}
	}

	private final class PhoneNumberPickerActionListener implements
	OnPhoneNumberPickerActionListener {
	@Override
	public void onPickPhoneNumberAction(Uri dataUri) {
	returnPickerResult(dataUri);
	}

	@Override
	public void onShortcutIntentCreated(Intent intent) {
	returnPickerResult(intent);
	}

	public void onHomeInActionBarSelected() {
	ContactSelectionActivity.this.onBackPressed();
	}
	}

	private final class PostalAddressPickerActionListener implements
	OnPostalAddressPickerActionListener {
	@Override
	public void onPickPostalAddressAction(Uri dataUri) {
	returnPickerResult(dataUri);
	}
	}

	private final class EmailAddressPickerActionListener implements
	OnEmailAddressPickerActionListener {
	@Override
	public void onPickEmailAddressAction(Uri dataUri) {
	returnPickerResult(dataUri);
	}
	}

	public void startActivityAndForwardResult(final Intent intent) {
	intent.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);

	// Forward extras to the new activity
	Bundle extras = getIntent().getExtras();
	if (extras != null) {
	intent.putExtras(extras);
	}
	startActivity(intent);
	finish();
	}

	@Override
	public boolean onContextItemSelected(MenuItem item) {
	ContextMenuAdapter menuAdapter = mListFragment.getContextMenuAdapter();
	if (menuAdapter != null) {
	return menuAdapter.onContextItemSelected(item);
	}

	return super.onContextItemSelected(item);
	}

	@Override
	public boolean onQueryTextChange(String newText) {
	mListFragment.setQueryString(newText, true);
	return false;
	}

	@Override
	public boolean onQueryTextSubmit(String query) {
	return false;
	}

	@Override
	public boolean onClose() {
	if (!TextUtils.isEmpty(mSearchView.getQuery())) {
	mSearchView.setQuery(null, true);
	}
	return true;
	}

	@Override
	public void onFocusChange(View view, boolean hasFocus) {
	switch (view.getId()) {
	case R.id.search_view: {
	if (hasFocus) {
	showInputMethod(mSearchView.findFocus());
	}
	}
	}
	}

	public void returnPickerResult(Uri data) {
	Intent intent = new Intent();
	intent.setData(data);
	returnPickerResult(intent);
	}

	public void returnPickerResult(Intent intent) {
	intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
	setResult(RESULT_OK, intent);
	finish();
	}

	@Override
	public void onClick(View view) {
	switch (view.getId()) {
	case R.id.new_contact: {
	startCreateNewContactActivity();
	break;
	}
	}
	}

	private void startCreateNewContactActivity() {
	Intent intent = new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI);
	intent.putExtra(ContactEditorActivity.INTENT_KEY_FINISH_ACTIVITY_ON_SAVE_COMPLETED, true);
	startActivityAndForwardResult(intent);
	}

	private void showInputMethod(View view) {
	final InputMethodManager imm = (InputMethodManager)
	getSystemService(Context.INPUT_METHOD_SERVICE);
	if (imm != null) {
	if (!imm.showSoftInput(view, 0)) {
	Log.w(TAG, "Failed to show soft input method.");
	}
	}
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	super.onActivityResult(requestCode, resultCode, data);
	if (requestCode == SUBACTIVITY_ADD_TO_EXISTING_CONTACT) {
	if (resultCode == Activity.RESULT_OK) {
	if (data != null) {
	startActivity(data);
	}
	finish();
	}
	}
	}
	}