android 读取通讯录显示到gridview
...........
<GridView
android:id="@+id/gridView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignLeft="@+id/button2"
android:layout_below="@+id/button2"
android:layout_marginTop="47dp"
android:verticalSpacing="10dp"
android:stretchMode="columnWidth"
android:gravity="center"
android:numColumns="1" >
</GridView>
.................
contact_item.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:paddingBottom="4dip"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/tvName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="40dp"
android:text="TextView" />
<TextView
android:id="@+id/tvPhone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="40dp"
android:layout_toRightOf="@+id/tvName"
android:text="TextView" />
<TextView
android:id="@+id/tvEmail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="40dp"
android:layout_toRightOf="@+id/tvPhone"
android:text="TextView" />
</RelativeLayout>
读取通讯录信息 返回ArrayList<HashMap<String,Object>>
public ArrayList<HashMap<String,Object>> readContacts() {
ArrayList<HashMap<String,Object>> lstMap = new ArrayList<HashMap<String,Object>>();
Cursor cursor = this.getContentResolver().query(
ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
int contactIdIndex = 0;
int nameIndex = 0;
if (cursor.getCount() > 0) {
contactIdIndex = cursor
.getColumnIndex(ContactsContract.Contacts._ID);
nameIndex = cursor
.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
}
while (cursor.moveToNext()) {
HashMap<String,Object> user = new HashMap<String, Object>();
String contactId = cursor.getString(contactIdIndex);
String name = cursor.getString(nameIndex);
user.put("UserName", name);
//Toast.makeText(this, name, 1000).show();
Cursor phones = this.getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=?",
new String[] { contactId }, null);
if (phones.moveToNext()) {
int phoneIndex = phones
.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
String phoneNumber = phones.getString(phoneIndex);
user.put("Telephone", phoneNumber);
//Toast.makeText(this, phoneNumber, 1000).show();
}
phones.close();
Cursor email = this.getContentResolver().query(
ContactsContract.CommonDataKinds.Email.CONTENT_URI, null,
ContactsContract.CommonDataKinds.Email.CONTACT_ID + "=?",
new String[] { contactId }, null);
if (email.moveToNext()) {
int emailIndex = email
.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA);
String emailAddress = email.getString(emailIndex);
user.put("EMail", emailAddress);
//Toast.makeText(this, emailAddress, 1000).show();
}
email.close();
lstMap.add(user);
//user.clear();
}
return lstMap;
}
//装配到GridView
final GridView gv=(GridView)this.findViewById(R.id.gridView1);
.......
ArrayList<HashMap<String, Object>> userList = readContacts();
SimpleAdapter simpleAdapter = new SimpleAdapter(MainActivity.this, userList,
R.layout.contact_item, new String[] { "UserName",
"Telephone", "EMail" }, new int[] {R.id.tvName,R.id.tvPhone,R.id.tvEmail});
gv.setAdapter(simpleAdapter);
//点击显示姓名
gv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
HashMap <String,Object> map =(HashMap <String,Object>)arg0.getItemAtPosition(arg2);
Toast.makeText(MainActivity.this, map.get("UserName").toString(), 1000).show();
}
});
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