3.2 调用insert方法。依次将邮箱、姓名、电话和id插入到系统表中
MainActivity.java
package lzl.edu.com.contentprovidertest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.ContentUris;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ExpandableListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
public class MainActivity extends Activity implements View.OnClickListener {
private Button mBSearch,mBAdd;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
mBSearch = (Button)findViewById(R.id.search_btn);
mBAdd = (Button)findViewById(R.id.add_btn);
mBAdd.setOnClickListener(this);
mBSearch.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.add_btn:
getNextView();
break;
case R.id.search_btn: //查找联系人
ArrayList> arrayListArrayList = searchContacts();
Log.i("-----", arrayListArrayList.size() + "");
expandableView(arrayListArrayList);
break;
}
}
private void getNextView(){
View laout = getLayoutInflater().inflate(R.layout.addcontacts,null);
EditText mEName = (EditText)laout.findViewById(R.id.name);
EditText mEPhone = (EditText)laout.findViewById(R.id.phone);
EditText mEEmail = (EditText)laout.findViewById(R.id.email);
Button mConfirm = (Button)laout.findViewById(R.id.confirm);
final String name = mEName.getText().toString();
final String phone = mEPhone.getText().toString();
final String email = mEEmail.getText().toString();
mConfirm.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addContact(name,phone,email);
}
});
setContentView(laout);
}
private boolean addContact(String name,String phone,String email){
boolean flag = false;
//将数据添加到系统联系人中
ContentValues values = new ContentValues();
// 得到raw_contact_id is required
Uri contactUri = getContentResolver().insert(ContactsContract.RawContacts.CONTENT_URI,values);
long rawContactId = ContentUris.parseId(contactUri);
values.clear();
//设置mimetype is required,保存联系人姓名
values.put(ContactsContract.Data.RAW_CONTACT_ID, rawContactId);
values.put(ContactsContract.Data.MIMETYPE, ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE);
values.put(ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME, name);
getContentResolver().insert(ContactsContract.Data.CONTENT_URI, values);
values.clear();
//设置mimetype is required,保存联系人电话
values.put(ContactsContract.Data.RAW_CONTACT_ID, rawContactId);
values.put(ContactsContract.Data.MIMETYPE, ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE);
values.put(ContactsContract.CommonDataKinds.Phone.NUMBER, phone);
getContentResolver().insert(ContactsContract.Data.CONTENT_URI, values);
values.clear();
//设置mimetype is required,保存联系人email
values.put(ContactsContract.Data.RAW_CONTACT_ID, rawContactId);
values.put(ContactsContract.Data.MIMETYPE, ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE);
values.put(ContactsContract.CommonDataKinds.Email.DATA,email);
getContentResolver().insert(ContactsContract.Data.CONTENT_URI, values);
values.clear();
Toast.makeText(MainActivity.this,"添加成功",Toast.LENGTH_LONG).show();
return flag;
}
private ArrayList> searchContacts(){
ArrayList> arrayLists = new ArrayList>();
final ArrayList names = new ArrayList();
//获取手机联系人
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI
,null,null,null,null);
//遍历联系人结果,获取所有联系人信息
while (cursor.moveToNext()) {
//获取联系人id
String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
//获取联系人名字
String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
if(name==null){
name = "lzl";
}
names.add(name);
//获取联系人电话
Cursor phone = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,null
,ContactsContract.CommonDataKinds.Phone.CONTACT_ID +"="+contactId,null,null);
ArrayList detail = new ArrayList();
//获取同一个联系人的 多个电话号码
while(phone.moveToNext()){
String number = phone.getString(phone.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
detail.add(number);
}
phone.close();
//获取联系人邮箱
Cursor emails = getContentResolver().query(ContactsContract.CommonDataKinds.Email.CONTENT_URI
,null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID +"="+contactId,null,null);
while (emails.moveToFirst()){
String email = emails.getString(emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));
detail.add(email);
}
emails.close();
arrayLists.add(detail);
}
cursor.close();
return arrayLists;
}
private void expandableView(final ArrayList> details){
//将布局加载到界面中
View layout = getLayoutInflater().inflate(R.layout.myexpandablelistview,null);
ExpandableListView expandableListView = (ExpandableListView)layout.findViewById(R.id.expandableListView);
//利用BaseExpandableListAdapter来存储数据
BaseExpandableListAdapter adapter = new BaseExpandableListAdapter() {
@Override
public int getGroupCount() {
return details.size();
}
@Override
public int getChildrenCount(int groupPosition) {
return details.get(groupPosition).size();
}
//获取与给定的组相关的数据,得到details集合中元素的数据
@Override
public Object getGroup(int groupPosition) {
return details.get(groupPosition);
}
//获取给定集合中,给定的位置元素
@Override
public Object getChild(int groupPosition, int childPosition) {
return details.get(groupPosition).get(childPosition);
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
TextView textView = (TextView)getTextView();
textView.setText(getGroup(groupPosition).toString());
return textView;
}
public View getTextView(){
View layout = getLayoutInflater().inflate(R.layout.expandableitem,null);
TextView textView = (TextView)layout.findViewById(R.id.mytextview);
return textView;
}
@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
TextView textView = (TextView)getTextView();
textView.setText((String)getChild(groupPosition,childPosition));
return textView;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
};
expandableListView.setAdapter(adapter);
new AlertDialog.Builder(MainActivity.this)
.setView(layout).setPositiveButton("确定",null).show();
}
}
布局很简单就不再给出了。
其中这个例子还有些困惑,当采用真机模拟的时候,会出现OOM的异常(超内存异常)。当在虚拟机上email中填入较长字符串时,也会出现这些异常。
路过的大神,希望能够指点一二。