Android中的自定义联系人搜索
我对Android应用程序开发非常陌生。我编写的代码成功地在我的android应用程序中实现了联系人列表。如果我单击某个特定联系人，它会显示联系人姓名和联系人号码以及联系人类型（家庭、电话等）。现在我想在其中添加搜索功能。但我没有这样做。代码如下：Android中的自定义联系人搜索,android,android-listview,simplecursoradapter,Android,Android Listview,Simplecursoradapter,我对Android应用程序开发非常陌生。我编写的代码成功地在我的android应用程序中实现了联系人列表。如果我单击某个特定联系人，它会显示联系人姓名和联系人号码以及联系人类型（家庭、电话等）。现在我想在其中添加搜索功能。但我没有这样做。代码如下： public class Contacts extends Activity { private static final String TAG = "[Contacts]"; private static final String
public class Contacts extends Activity {
private static final String TAG = "[Contacts]";
private static final String headerTitle = "Pick a Contact";
private static final String searchtext = "";
// Default List view for loading the list
ListView lstContacts;
JSONObject o;
public static boolean goahead = false;
// Added for fee calculation in background
public SQLiteDatabase db;
// Context
Context context;
// AndroidConstants declaration
AndroidConstants ac;
// Declarations for the Contact list
SimpleCursorAdapter mAdapter;
MatrixCursor mMatrixCursor;
TextView tv_name;
TextView tv_details;
public static String details_comm;
EditText inputSearch;
// ProgressBar pbHeaderProgress;
LinearLayout progressBarLayout;
/** Called when the activity is first created. */
// onCreate event
@SuppressWarnings("deprecation")
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.activity_contact);
progressBarLayout = (LinearLayout) findViewById(R.id.linlaHeaderProgress);
progressBarLayout.setVisibility(LinearLayout.VISIBLE);
ActionBar actionBar = getActionBar();
actionBar = ActionBarHelper
.customActionBar(actionBar, headerTitle, "1");
context = getApplicationContext();
lstContacts = (ListView) findViewById(R.id.listView1);
Intent i = getIntent();
// The contacts from the contacts content provider is stored in this
// cursor
mMatrixCursor = new MatrixCursor(new String[] { "_id", "name",
"details" });
tv_name = (TextView) findViewById(R.id.tv_name);
tv_details = (TextView) findViewById(R.id.tv_details);
inputSearch = (EditText) findViewById(R.id.inputSearch);
// Adapter to set data in the listview
// HIDING INPUTSEARCH
// inputSearch.setVisibility(View.GONE);
mAdapter = new SimpleCursorAdapter(getBaseContext(),
R.layout.lv_layout, null, new String[] { "name", "details" },
new int[] { R.id.tv_name, R.id.tv_details }, 0);
mAdapter.notifyDataSetChanged();
// Setting the adapter to listview
lstContacts.setAdapter(mAdapter);
lstContacts.setTextFilterEnabled(true);
// Creating an AsyncTask object to retrieve and load listview with
// contacts
ListViewContactsLoader listViewContactsLoader = new ListViewContactsLoader();
// Starting the AsyncTask process to retrieve and load listview with
// contacts
listViewContactsLoader.execute();
// Database instance
db = openOrCreateDatabase(ac.database_name,
SQLiteDatabase.CREATE_IF_NECESSARY, null);
db.setVersion(1);
db.setLocale(Locale.getDefault());
db.setLockingEnabled(true);
// Code for fee calculation working as a background process
FeeCalculation feeCal = new FeeCalculation();
feeCal.execute();
lstContacts.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View view,
int position, long index) {
String tempData = ((TextView) (view.findViewById(R.id.tv_name)))
.getText().toString();
String tempData2 = ((TextView) (view
.findViewById(R.id.tv_details))).getText().toString();
String[] data = new String[2];
data[0] = tempData;
data[1] = tempData2;
Intent intent = new Intent(Contacts.this, ProcessContacts.class);
intent.putExtra("data", data);
startActivity(intent);
overridePendingTransition(R.anim.slide_left_in,
R.anim.slide_left_out);
finish();
}
});
// Code added for contact list search
inputSearch.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence cs, int arg1, int arg2,
int arg3) {
// When user changed the Text
Log.d(TAG, "search:" + cs.toString());
if (mAdapter != null) {
mAdapter.getFilter().filter(cs);
}
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1,
int arg2, int arg3) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable arg0) {
// TODO Auto-generated method stub
}
});
mAdapter.setFilterQueryProvider(new FilterQueryProvider() {
public Cursor runQuery(CharSequence constraint) {
Log.d(TAG, "CharSequence constraint");
Uri uri = ContactsContract.Contacts.CONTENT_URI;
Log.d(TAG, "CharSequence constraint1");
String[] projection = new String[] {
ContactsContract.Contacts._ID,
ContactsContract.Contacts.DISPLAY_NAME, };
Log.d(TAG, "CharSequence constraint2");
String selection = ContactsContract.Contacts.DISPLAY_NAME
+ " like '" + constraint.toString() + "%'";
Log.d(TAG, "CharSequence constraint3");
String[] selectionArgs = null;
String sortOrder = ContactsContract.Contacts.DISPLAY_NAME
+ " COLLATE LOCALIZED ASC";
Log.d(TAG, "CharSequence constraint4");
Cursor cur = getContentResolver().query(uri, projection,
selection, selectionArgs, sortOrder);
String a = DatabaseUtils.dumpCursorToString(cur);
Log.e("TAG", "String for the filter===>" + a);
return cur;
}
});
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// NavUtils.navigateUpFromSameTask(Contacts.this);
Intent intent = new Intent(Contacts.this,
AcceptAmountActivity.class);
startActivity(intent);
overridePendingTransition(R.anim.slide_right_in,
R.anim.slide_right_out);
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
/** An AsyncTask class to retrieve and load listview with contacts */
private class ListViewContactsLoader extends AsyncTask<Void, Void, Cursor> {
protected Cursor doInBackground(Void... params) {
String displayName = "";
String homePhone = "";
String mobilePhone = "";
String workPhone = "";
String contact = "";
Log.d(TAG, "ListViewContactsLoader");
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null,
null, null, "UPPER("
+ ContactsContract.Contacts.DISPLAY_NAME + ") ASC");
String phone = "";
if (cur.getCount() > 0) {
while (cur.moveToNext()) {
String id = cur.getString(cur
.getColumnIndex(ContactsContract.Contacts._ID));
String name = cur
.getString(cur
.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
if (Integer
.parseInt(cur.getString(cur
.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
System.out.println("name : " + name + ", ID : " + id);
Cursor pCur = cr
.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID
+ " = ?", new String[] { id },
null);
String details = "";
while (pCur.moveToNext()) {
phone = pCur.getString(pCur
.getColumnIndex(Phone.NUMBER));
int type = pCur.getInt(pCur
.getColumnIndex(Phone.TYPE));
switch (type) {
case Phone.TYPE_HOME:
details += "Home:" + phone + ",";
break;
case Phone.TYPE_MOBILE:
details += "Mobile:" + phone + ",";
break;
case Phone.TYPE_WORK:
details += "Work:" + phone + ",";
break;
case Phone.TYPE_OTHER:
details += "Other:" + phone + ",";
break;
}
}
name = name.trim();
details = details.trim();
contact = name + " \n";
contact += details;
contact = contact.trim();
mMatrixCursor
.addRow(new Object[] { id, name, details });
pCur.close();
}
}
}
return mMatrixCursor;
}
@Override
protected void onPostExecute(Cursor result) {
mAdapter.swapCursor(result);
progressBarLayout.setVisibility(View.GONE);
}
}
}
公共类联系人扩展活动{
私有静态最终字符串标记=“[Contacts]”；
private static final String headerTitle=“选择联系人”；
私有静态最终字符串searchtext=“”；
//用于加载列表的默认列表视图
ListView联系人；
JSONObject o；
公共静态布尔goahead=false；
//在后台为费用计算添加
公共数据库数据库；
//上下文
语境；
//AndroidConstants声明
雄激素；
//联系人名单的声明
简单的适应；
MatrixCursor mMatrixCursor；
TextView tv_名称；
TextView电视节目详情；
公共静态字符串详细信息\u comm；
编辑文本输入搜索；
//ProgressBar pbHeaderProgress；
线性布局；
/**在首次创建活动时调用*/
//onCreate事件
@抑制警告（“弃用”）
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
requestWindowFeature（Window.FEATURE\u不确定\u进度）；
setContentView（R.layout.activity_contact）；
progressBarLayout=（线性布局）findViewById（R.id.linlaHeaderProgress）；
progressBarLayout.setVisibility（LinearLayout.VISIBLE）；
ActionBar ActionBar=getActionBar（）；
actionBar=ActionBarHelper
.customActionBar（actionBar，标题，“1”）；
context=getApplicationContext（）；
lstContacts=（ListView）findViewById（R.id.listView1）；
Intent i=getIntent（）；
//联系人内容提供商提供的联系人存储在此文件夹中
//光标
mMatrixCursor=新矩阵xcursor（新字符串[]{“\u id”，“name”，
“细节”}）；
tv_name=（TextView）findviewbyd（R.id.tv_name）；
tv_details=（TextView）findviewbyd（R.id.tv_details）；
inputSearch=（EditText）findViewById（R.id.inputSearch）；
//用于在listview中设置数据的适配器
//隐藏输入搜索
//inputSearch.setVisibility（View.GONE）；
mAdapter=new SimpleCursorAdapter（getBaseContext（），
R.layout.lv_布局，null，新字符串[]{“name”，“details”}，
新int[]{R.id.tv_name，R.id.tv_details}，0）；
mAdapter.notifyDataSetChanged（）；
//将适配器设置为listview
lstContacts.setAdapter（mAdapter）；
lstContacts.setTextFilterEnabled（true）；
//创建AsyncTask对象以检索和加载listview
//接触
ListViewContactsLoader ListViewContactsLoader=新建ListViewContactsLoader（）；
//启动AsyncTask进程以检索和加载listview
//接触
listViewContactsLoader.execute（）；
//数据库实例
db=openOrCreateDatabase（ac.database\u名称，
SQLiteDatabase.CREATE_如果需要，则为null）；
db.setVersion（1）；
db.setLocale（Locale.getDefault（））；
db.setLockingEnabled（真）；
//用作后台进程的费用计算代码
FeeCalculation feeCal=新的FeeCalculation（）；
feeCal.execute（）；
lstContacts.setOnItemClickListener（新的OnItemClickListener（）{
@凌驾
public void onItemClick（AdapterView arg0，视图，
整数位置，长索引）{
字符串tempData=（（TextView）（view.findviewbyd（R.id.tv_name）））
.getText（）.toString（）；
字符串tempData2=（（TextView）（视图
.findviewbyd（R.id.tv_details））.getText（）.toString（）；
字符串[]数据=新字符串[2]；
数据[0]=临时数据；
数据[1]=临时数据2；
意向意向=新意向（Contacts.this、ProcessContacts.class）；
意向。额外（“数据”，数据）；
星触觉（意向）；
覆盖过渡（R.anim.slide\u左\u中，
R.anim.滑出（左滑出）；
完成（）；
}
});
//为联系人列表搜索添加了代码
inputSearch.addTextChangedListener（新的TextWatcher（）{
@凌驾
public void onTextChanged（字符序列cs、int arg1、int arg2、，
int arg3）{
//当用户更改文本时
Log.d（标记“search:+cs.toString（））；
如果（mAdapter！=null）{
mAdapter.getFilter（）.filter（cs）；
}
}
@凌驾
更改前的公共无效（字符序列arg0，int arg1，
整数arg2，整数arg3）{
//TODO自动生成的方法存根
}
@凌驾
public void PostTextChanged（可编辑arg0）{
//TODO自动生成的方法存根
}
});
mAdapter.setFilterQueryProvider（新的FilterQueryProvider（）{
公共游标运行查询（CharSequence约束）{
Log.d（标记“CharSequence约束”）；
Uri=Contacts contract.Contacts.CONTENT\u Uri；
Log.d（标签“CharSequence constraint1”）；
字符串[]投影=新字符串[]{
联系人合同联系人。\u ID，
Contacts contract.Contacts.DISPLAY_NAME，}；
Log.d（标签“CharSequence constraint2”）；
字符串选择=Contacts contract.Contacts.DISPLAY\u NAME
+“像''+constraint.toString（）+“%””；
Log.d（标记为“Ch
public class Contacts extends Activity {
private static final String TAG = "[Contacts]";
private static final String headerTitle = "Pick a Contact";
private static final String searchtext = "";
// Default List view for loading the list
ListView lstContacts;
// PostTask posttask;
public static String number, MAC_ID, IMEI, gotArrayString, error_code,
error_desc;
// Added for tran no
public static int count = 0;
JSONObject o;
public static boolean goahead = false;
// Added for fee calculation in background
public SQLiteDatabase db;
// Context
Context context;
// AndroidConstants declaration
AndroidConstants ac;
// Declarations for the Contact list
SimpleCursorAdapter mAdapter;
MatrixCursor mMatrixCursor;
TextView tv_name;
TextView tv_details;
public static String details_comm;
EditText inputSearch;
LinearLayout progressBarLayout;
List<String> nameArray = new ArrayList<String>();
List<String> detailsArray = new ArrayList<String>();
private SimpleAdapter adapter;
private ContactGlobalModel cont = new ContactGlobalModel();
private ArrayList<String> arraynamelist = new ArrayList<String>();
private ArrayList<String> arraydetailslist = new ArrayList<String>();
//SimpleAdaptor
private static List<Map<String, String>> list = new ArrayList<Map<String, String>>();
private static Map<String, String> map;
private static int countx;
/** Called when the activity is first created. */
// onCreate event
@SuppressWarnings("deprecation")
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.activity_contact);
progressBarLayout = (LinearLayout) findViewById(R.id.linlaHeaderProgress);
progressBarLayout.setVisibility(LinearLayout.VISIBLE);
ActionBar actionBar = getActionBar();
actionBar = ActionBarHelper
.customActionBar(actionBar, headerTitle, "1");
context = getApplicationContext();
lstContacts = (ListView) findViewById(R.id.listView1);
Intent i = getIntent();
tv_name = (TextView) findViewById(R.id.tv_name);
tv_details = (TextView) findViewById(R.id.tv_details);
inputSearch = (EditText) findViewById(R.id.inputSearch);
// Adapter to set data in the listview
adapter = new SimpleAdapter(getApplicationContext(), list, R.layout.lv_layout, new String[] { "name", "details" }, new int[] { R.id.tv_name, R.id.tv_details });
lstContacts.setAdapter(adapter);
lstContacts.setFastScrollEnabled(true);
lstContacts.setTextFilterEnabled(true);
// Contact list loader cursor
Cursor curContact;
// Creating an AsyncTask object to retrieve and load list view with
// contacts
ListViewContactsLoader listViewContactsLoader = new ListViewContactsLoader();
// Starting the AsyncTask process to retrieve and load listview with
// contacts
listViewContactsLoader.execute();
// Database instance
db = openOrCreateDatabase(ac.DATABASE_NAME,
SQLiteDatabase.CREATE_IF_NECESSARY, null);
db.setVersion(1);
db.setLocale(Locale.getDefault());
db.setLockingEnabled(true);
// Code for fee calculation working as a background process
FeeCalculation feeCal = new FeeCalculation();
feeCal.execute();
lstContacts.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View view,
int position, long index) {
String tempData = ((TextView) (view.findViewById(R.id.tv_name)))
.getText().toString();
String tempData2 = ((TextView) (view
.findViewById(R.id.tv_details))).getText().toString();
String[] data = new String[2];
data[0] = tempData;
data[1] = tempData2;
Intent intent = new Intent(Contacts.this, ProcessContacts.class);
intent.putExtra("data", data);
startActivity(intent);
overridePendingTransition(R.anim.slide_left_in,
R.anim.slide_left_out);
finish();
}
});
// Code added for contact list search
inputSearch.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence cs, int arg1, int arg2,
int arg3) {
adapter.getFilter().filter(cs);
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1,
int arg2, int arg3) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable arg0) {
// TODO Auto-generated method stub
}
});
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Intent intent = new Intent(Contacts.this,
AcceptAmountActivity.class);
startActivity(intent);
overridePendingTransition(R.anim.slide_right_in,
R.anim.slide_right_out);
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
/** An AsyncTask class to retrieve and load listview with contacts */
private class ListViewContactsLoader extends AsyncTask<Void, Void, Cursor> {
protected Cursor doInBackground(Void... params) {
String displayName = "";
String homePhone = "";
String mobilePhone = "";
String workPhone = "";
String contact = "";
Log.d(TAG, "ListViewContactsLoader");
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null,
null, null, "UPPER("
+ ContactsContract.Contacts.DISPLAY_NAME + ") ASC");
String a = DatabaseUtils.dumpCursorToString(cur);
Log.e("TAG",
"String for the filter================================================================>"
+ a);
String phone = "";
if (cur.getCount() > 0) {
while (cur.moveToNext()) {
String id = cur.getString(cur
.getColumnIndex(ContactsContract.Contacts._ID));
String name = cur
.getString(cur
.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
if (Integer
.parseInt(cur.getString(cur
.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
System.out.println("name : " + name + ", ID : " + id);
Cursor pCur = cr
.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID
+ " = ?", new String[] { id },
null);
String details = "";
while (pCur.moveToNext()) {
phone = pCur.getString(pCur
.getColumnIndex(Phone.NUMBER));
int type = pCur.getInt(pCur
.getColumnIndex(Phone.TYPE));
System.out.println("=======>" + "name : " + name
+ ", ID : " + id + " Mob : " + phone);
switch (type) {
case Phone.TYPE_HOME:
details += "Home:" + phone + ",";
break;
case Phone.TYPE_MOBILE:
details += "Mobile:" + phone + ",";
break;
case Phone.TYPE_WORK:
details += "Work:" + phone + ",";
break;
case Phone.TYPE_OTHER:
details += "Other:" + phone + ",";
break;
}
}
name = name.trim();
details = details.trim();
contact = name + " \n";
contact += details;
contact = contact.trim();
nameArray.add(name);
detailsArray.add(details);
pCur.close();
}
}
}
String[] nameStrArray = new String[nameArray.size()];
nameArray.toArray(nameStrArray);
String[] detailsStrArray = new String[detailsArray.size()];
detailsArray.toArray(detailsStrArray);
for (int i = 0; i < nameStrArray.length; i++) {
ContactGlobalModel cm = new ContactGlobalModel(nameStrArray[i],
detailsStrArray[i]);
arraynamelist.add(cm.getName());
arraydetailslist.add(cm.getDetails());
}
Log.d(TAG, "arraynamelist size====>"+arraynamelist.size());
Log.d(TAG, "arraydetailslist size====>"+arraydetailslist.size());
countx = arraynamelist.size();
Log.d(TAG, "Count========>"+String.valueOf(countx));
list.clear();
for(int v = 0; v < countx; v++) {
map = new HashMap<String, String>();
map.put("name", arraynamelist.get(v));
map.put("details", arraydetailslist.get(v));
list.add(map);
}
return null;
}
@Override
protected void onPostExecute(Cursor result) {
// mAdapter.swapCursor(result);
progressBarLayout.setVisibility(View.GONE);
}
}
// Killing the application
@Override
public void onBackPressed() {
// TODO Auto-generated method stub
// super.onBackPressed();
finish();
overridePendingTransition(R.anim.slide_right_in, R.anim.slide_right_out);
}
}