有人可以告诉我如何转换以下代码以从电话簿中获取联系人并创建群组。即使已创建联系人组并将其保存在电话簿中也可以。但是，它们应该是可编辑的。每当我尝试打开此页面时，应用程序就会崩溃。 我需要一个解决方案，因为从现在开始该应用程序将无法正常工作。
package com.example.wishme.activities.Contact;
import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.app.Dialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.flurry.android.FlurryAgent;
import com.example.wishme.DBAdapter;
import com.example.wishme.R;
import com.example.wishme.activities.Home;
import com.example.wishme.models.Contact;
import com.example.wishme.models.ContactNumber;
import com.example.wishme.utils.DisplayImage;
import com.example.wishme.utils.MyGson;
import com.example.wishme.SmsSchedulerApplication;
import com.example.wishme.Constants;
public class ContactsList extends Activity {
private ListView contactsList;
private Button doneButton;
private Button cancelButton;
private String groupName = "";
private ArrayList<Contact> contacts = new ArrayList<Contact>();
private ArrayList<Long> ids = new ArrayList<Long>();
private ArrayList<String> numbers = new ArrayList<String>();
private ArrayList<Long> idsTemp = new ArrayList<Long>();
private ArrayList<String> numbersTemp = new ArrayList<String>();
private ArrayList<String> idsString = new ArrayList<String>();
private String callingActivity;
private ContactListAdapter contactListAdapter;
private DisplayImage displayImage = new DisplayImage();
@Override
protected void onStart() {
super.onStart();
FlurryAgent.onStartSession(this, getString(R.string.flurry_key));
MyGson myGson = new MyGson();
SharedPreferences contactData = getSharedPreferences(Home.PREFS_NAME, 0);
//if Contacts have been modified from the Native Contact app, the Contacts List is to be reloaded, serialized and saved in the shared prefs.
if(contactData.getString("isChanged", "1").equals("1") || SmsSchedulerApplication.contactsList.size()==0){
String data = contactData.getString("Data", "default");
contacts = SmsSchedulerApplication.contactsList = myGson.deserializer(data);
}
SharedPreferences.Editor editor = contactData.edit();
editor.putString("isChanged", "0");
editor.commit();
contactListAdapter.notifyDataSetChanged();
}
@Override
protected void onStop() {
super.onStop();
FlurryAgent.onEndSession(this);
}
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.contacts_list);
final DBAdapter mdba = new DBAdapter(this);
contactsList = (ListView) findViewById(R.id.contacts_list_main_list);
doneButton = (Button) findViewById(R.id.contacts_list_layout_done_button);
cancelButton = (Button) findViewById(R.id.contacts_list_layout_cancel_button);
//This Activity can be called for two purposes, to create a Group or edit a Group. We have to treat these two situations differently. For that purpose, we are supplied with an Intent Extra called "ORIGINATOR".
Intent intent = getIntent();
contacts = SmsSchedulerApplication.contactsList;
callingActivity = intent.getStringExtra("ORIGINATOR");
if(callingActivity.equals("Group Edit Activity")){
//case: called for Edit, we must back up the original values. So, we make a clone of values and use them to prepare the initial state of the list.
idsString.clear();
idsString = intent.getStringArrayListExtra("IDARRAY");
numbers = intent.getStringArrayListExtra("NUMBERARRAY");
for(int i = 0; i< numbers.size(); i++){
numbersTemp.add(numbers.get(i));
}
for(int i = 0; i< idsString.size(); i++){
ids.add(Long.parseLong(idsString.get(i)));
idsTemp.add(Long.parseLong(idsString.get(i)));
}
for(int i = 0; i< contacts.size(); i++){
contacts.get(i).checked = false;
for(int j = 0; j< ids.size(); j++){
if(contacts.get(i).content_uri_id == ids.get(j) && contacts.get(i).numbers.get(0).number.equals(numbers.get(j))){
contacts.get(i).checked = true;
}
}
}
doneButton.setBackgroundDrawable(getResources().getDrawable(R.drawable.add_footer_states));
intent.getLongExtra("GROUPID", 0);
}else if(callingActivity.equals("Group Add Activity")){
//case: called for creating New Group.
intent.getBooleanExtra("NEWCALL", true);
for(int i = 0; i< contacts.size(); i++){
contacts.get(i).checked = false;
}
}
contactListAdapter = new ContactListAdapter();
contactsList.setAdapter(contactListAdapter);
doneButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
final Intent intent = new Intent();
ArrayList<String> idsStringChanged = new ArrayList<String>();
for(int i = 0; i< ids.size(); i++){
idsStringChanged.add(String.valueOf(ids.get(i)));
}
if(callingActivity.equals("Group Add Activity")){
if(ids.size()==0){
Toast.makeText(ContactsList.this, "Cannot create Group with no Contacts. Add few..", Toast.LENGTH_LONG).show();
}else{
if(groupName.equals("")){
//cannot create group with a blank name.
final Dialog d = new Dialog(ContactsList.this);
d.requestWindowFeature(Window.FEATURE_NO_TITLE);
d.setContentView(R.layout.group_name_input_dialog);
final EditText groupNameEdit = (EditText) d.findViewById(R.id.group_name_dialog_name_label);
Button groupNameOkButton = (Button) d.findViewById(R.id.group_name_dialog_name_ok_button);
Button groupNameCancelButton= (Button) d.findViewById(R.id.group_name_dialog_name_cancel_button);
groupNameEdit.setText(groupName);
groupNameOkButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(groupNameEdit.getText().toString().matches(Constants.BLANK_OR_ONLY_SPACES_PATTERN)){
Toast.makeText(ContactsList.this, "Please enter a valid name for group", Toast.LENGTH_SHORT).show();
groupNameEdit.setText("");
}else{
boolean groupNameExists = false;
mdba.open();
Cursor cur = mdba.fetchAllGroups();
if(cur.moveToFirst()){
do{
if(cur.getString(cur.getColumnIndex(DBAdapter.KEY_GROUP_NAME)).equals(groupNameEdit.getText().toString())){
groupNameExists = true;
break;
}
}while(cur.moveToNext());
}
mdba.close();
if(groupNameExists){
Toast.makeText(ContactsList.this, "Group name already exists", Toast.LENGTH_SHORT).show();
}else{
d.cancel();
groupName = groupNameEdit.getText().toString();
mdba.open();
mdba.createGroup(groupName, ids, numbers);
mdba.close();
ContactsList.this.finish();
}
}
}
});
groupNameCancelButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
d.cancel();
}
});
d.show();
}else{
if(ids.size() == 0){
//case: if no Contact have been selected to include in the Group, can't create the Group.
Toast.makeText(ContactsList.this, "No contacts selected, Please select some contacts", Toast.LENGTH_LONG).show();
}else{
mdba.open();
mdba.createGroup(groupName, ids, numbers);
mdba.close();
HashMap<String, String> params = new HashMap<String, String>();
params.put("Size", String.valueOf(ids.size()));
FlurryAgent.logEvent("Group Saved", params);
setResult(10, intent);
ContactsList.this.finish();
}
}
}
}else{
intent.putStringArrayListExtra("IDSLIST", idsStringChanged);
intent.putStringArrayListExtra("NUMBERSLIST", numbers);
intent.putExtra("CANCEL", false);
setResult(10, intent);
ContactsList.this.finish();
}
}
});
cancelButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(callingActivity.equals("Group Edit Activity")){
handleBackForEdit();
}
FlurryAgent.logEvent("New Group Cancelled");
ContactsList.this.finish();
}
});
}
public void onBackPressed() {
if(callingActivity.equals("Group Edit Activity")){
handleBackForEdit();
}
ContactsList.this.finish();
}
public void handleBackForEdit(){
Intent intent = new Intent();
intent.putStringArrayListExtra("IDSLIST", idsString);
intent.putExtra("CANCEL", true);
setResult(10, intent);
}
@SuppressWarnings("rawtypes")
private class ContactListAdapter extends ArrayAdapter{
@SuppressWarnings("unchecked")
ContactListAdapter(){
super(ContactsList.this, R.layout.contacts_list_row, contacts);
}
@Override
public int getCount() {
return contacts.size();
}
public View getView(final int position, View convertView, ViewGroup parent) {
final ContactsAddListHolder holder;
if(convertView == null) {
LayoutInflater inflater = getLayoutInflater();
convertView = inflater.inflate(R.layout.contacts_list_row, parent, false);
holder = new ContactsAddListHolder();
holder.contactImage = (ImageView) convertView.findViewById(R.id.contact_list_row_contact_pic);
holder.nameText = (TextView) convertView.findViewById(R.id.contact_list_row_contact_name);
holder.numberText = (TextView) convertView.findViewById(R.id.contact_list_row_contact_number);
holder.contactCheck = (CheckBox) convertView.findViewById(R.id.contact_list_row_contact_check);
holder.primaryNumberLayout = (RelativeLayout) convertView.findViewById(R.id.contact_list_primary_contact_space);
convertView.setTag(holder);
} else {
holder = (ContactsAddListHolder) convertView.getTag();
}
final int _position = position;
holder.extraNumbersLayout = (LinearLayout) convertView.findViewById(R.id.extra_numbers_layout);
holder.extraNumbersViews = new ArrayList<View>();
displayImage.submitImage(holder.contactImage, contacts.get(position).content_uri_id, ContactsList.this);
holder.nameText.setText(contacts.get(position).name);
holder.numberText.setText(contacts.get(position).numbers.get(0).type + ": " + contacts.get(position).numbers.get(0).number);//TODO
holder.contactCheck.setChecked(contacts.get(position).checked);
if(contacts.get(position).numbers.size()>1){
holder.extraNumbersLayout.setVisibility(View.VISIBLE);
holder.extraNumbersLayout.removeAllViews();
holder.extraNumbersViews.clear();
ArrayList<ContactNumber> extraNumbers = new ArrayList<ContactNumber>();
//Load all the Extra Numbers into a data structure.
for(int i=1; i< contacts.get(position).numbers.size(); i++){
extraNumbers.add(contacts.get(position).numbers.get(i));
}
//Create an Extra Number View for each extra number and store them in an ArrayList<View>
for(int i = 0; i< extraNumbers.size(); i++){
View view = createView(extraNumbers.get(i), contacts.get(position), getLayoutInflater());
holder.extraNumbersViews.add(view);
}
//Add each View into the Extra Numbers List
for(int i = 0; i< holder.extraNumbersViews.size(); i++){
holder.extraNumbersLayout.addView(holder.extraNumbersViews.get(i));
}
}else{
holder.extraNumbersLayout.setVisibility(View.GONE);
}
holder.contactCheck.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(holder.contactCheck.isChecked()){
ids.add(contacts.get(_position).content_uri_id);
numbers.add(contacts.get(_position).numbers.get(0).number);
contacts.get(_position).checked = true;
}else{
for(int i = 0; i< ids.size(); i++){
if(ids.get(i) == contacts.get(_position).content_uri_id && numbers.get(i).equals(contacts.get(_position).numbers.get(0).number)){
ids.remove(i);
numbers.remove(i);
contacts.get(_position).checked = false;
}
}
}
}
});
holder.primaryNumberLayout.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(!holder.contactCheck.isChecked()){
holder.contactCheck.setChecked(true);
ids.add(contacts.get(_position).content_uri_id);
numbers.add(contacts.get(_position).numbers.get(0).number);
contacts.get(_position).checked = true;
}else{
holder.contactCheck.setChecked(false);
for(int i = 0; i< ids.size(); i++){
if(ids.get(i) == contacts.get(_position).content_uri_id && numbers.get(i).equals(contacts.get(_position).numbers.get(0).number)){
ids.remove(i);
numbers.remove(i);
contacts.get(_position).checked = false;
}
}
}
}
});
return convertView;
}
}
/**
* @details Creates an Extra Number View for a given ContactNumber object.
* @param contactNumber
* @param contact
* @param inflater
* @return a fully functional Extra Number View with listeners.
*/
public View createView(final ContactNumber contactNumber, final Contact contact, LayoutInflater inflater){
View view = inflater.inflate(R.layout.extra_numbers_list_row, null);
TextView tv = (TextView) view.findViewById(R.id.extra_number);
final CheckBox cb = (CheckBox) view.findViewById(R.id.extra_number_checkbox);
tv.setText(contactNumber.type + ": " + contactNumber.number);
boolean hasEntry = false;
for(int i = 0; i< ids.size(); i++){
if(ids.get(i)==contact.content_uri_id && contactNumber.number.equals(numbers.get(i))){
hasEntry = true;
cb.setChecked(true);
}
}
if(!hasEntry){
cb.setChecked(false);
}
view.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(!cb.isChecked()){
cb.setChecked(true);
ids.add(contact.content_uri_id);
numbers.add(contactNumber.number);
}else{
cb.setChecked(false);
for(int i = 0; i< ids.size(); i++){
if(ids.get(i) == contact.content_uri_id && numbers.get(i).equals(contactNumber.number)){
ids.remove(i);
numbers.remove(i);
}
}
}
}
});
cb.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(cb.isChecked()){
ids.add(contact.content_uri_id);
numbers.add(contactNumber.number);
}else{
for(int i = 0; i< ids.size(); i++){
if(ids.get(i) == contact.content_uri_id && numbers.get(i).equals(contactNumber.number)){
ids.remove(i);
numbers.remove(i);
}
}
}
}
});
return view;
}
private class ContactsAddListHolder{
ImageView contactImage;
TextView nameText;
TextView numberText;
CheckBox contactCheck;
LinearLayout extraNumbersLayout;
RelativeLayout primaryNumberLayout;
ArrayList<View> extraNumbersViews;
}
}