Android读写联系人数据（内容提供者应用）

布局文件：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"      xmlns:tools="http://schemas.android.com/tools"      android:id="@+id/ll"      android:layout_width="match_parent"      android:layout_height="match_parent"      android:orientation="vertical"      android:paddingBottom="@dimen/activity_vertical_margin"      android:paddingLeft="@dimen/activity_horizontal_margin"      android:paddingRight="@dimen/activity_horizontal_margin"      android:paddingTop="@dimen/activity_vertical_margin"      tools:context=".MainActivity" >        <LinearLayout          android:layout_width="match_parent"          android:layout_height="wrap_content" >            <Button              android:id="@+id/btn_getcontacts"              android:layout_width="0dp"              android:layout_height="wrap_content"              android:onClick="read_click"              android:layout_weight="1"              android:text="读取联系人" />          <Button              android:id="@+id/btn_insertcontact"              android:layout_width="0dp"              android:layout_height="wrap_content"              android:onClick="insert_click"              android:layout_weight="1"              android:text="写入联系人" />      </LinearLayout>    </LinearLayout>

核心Activity 两种方式：

package com.example.readcontacts;    import java.util.ArrayList;  import java.util.List;    import com.pas.domain.ContactModel;    import android.net.Uri;  import android.os.Bundle;  import android.provider.ContactsContract;  import android.app.Activity;  import android.content.ContentProviderOperation;  import android.content.ContentResolver;  import android.content.ContentValues;  import android.database.Cursor;  import android.view.Menu;  import android.view.View;  import android.widget.LinearLayout;  import android.widget.TextView;  import android.widget.Toast;    public class MainActivity extends Activity  {     LinearLayout ll;     @Override   protected void onCreate(Bundle savedInstanceState)   {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    ll = (LinearLayout) findViewById(R.id.ll);   }     @Override   public boolean onCreateOptionsMenu(Menu menu)   {    // Inflate the menu; this adds items to the action bar if it is present.    getMenuInflater().inflate(R.menu.main, menu);    return true;   }     public void read_click(View view)   {    getContactList();   }     public void insert_click(View view)   {    addContact();    Toast.makeText(this, "添加成功", Toast.LENGTH_LONG).show();   }     private void addContact()   {    ContentResolver resolver = getContentResolver();      ArrayList<ContentProviderOperation> operations=new ArrayList<ContentProviderOperation>();        Uri raw_contacts_uri = Uri.parse("content://com.android.contacts/raw_contacts");    Uri data_uri = Uri.parse("content://com.android.contacts/data");          ContentProviderOperation op1=ContentProviderOperation.newInsert(ContactsContract.RawContacts.CONTENT_URI)      .withValue(ContactsContract.RawContacts.ACCOUNT_NAME,null)      .withValue(ContactsContract.RawContacts.ACCOUNT_TYPE,null).build();    operations.add(op1);        ContentProviderOperation op2=ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)      .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, 0)      .withValue(ContactsContract.Data.MIMETYPE,         ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE)      .withValue(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME, "王刚")      .build();    operations.add(op2);        ContentProviderOperation op3=ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)      .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, 0)      .withValue(ContactsContract.Data.MIMETYPE,         ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE)      .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER, "990009")      .withValue(ContactsContract.CommonDataKinds.Phone.TYPE, ContactsContract.CommonDataKinds.Phone.TYPE_CUSTOM)      .build();        operations.add(op3);        ContentProviderOperation op4=ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)      .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, 0)      .withValue(ContactsContract.Data.MIMETYPE,         ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE)      .withValue(ContactsContract.CommonDataKinds.Email.DATA, "ping@12.com")      .withValue(ContactsContract.CommonDataKinds.Email.TYPE, ContactsContract.CommonDataKinds.Email.TYPE_CUSTOM)      .build();    operations.add(op4);        try {       resolver.applyBatch(ContactsContract.AUTHORITY, operations);         } catch (Exception e) {          e.printStackTrace();       }        //  ContentValues raw_values = new ContentValues();  //  //  Cursor cursor = resolver.query(raw_contacts_uri, new String[]  //  { "_id" }, null, null, null);  //  cursor.moveToLast();  //  int lastid = cursor.getInt(0);  //  int newid = lastid + 1;  //  //  raw_values.put("contact_id", newid);  //  resolver.insert(raw_contacts_uri, raw_values);  //  //  // 电话插入  //  ContentValues phonevalues = new ContentValues();  //  phonevalues.put("data1", "898989");  //  phonevalues.put("mimetype", "vnd.android.cursor.item/phone_v2");  //  phonevalues.put("raw_contact_id", newid);  //  resolver.insert(data_uri, phonevalues);  //  //  // email插入  //  ContentValues emailvalues = new ContentValues();  //  emailvalues.put("data1", "ping@126.com");  //  emailvalues.put("mimetype", "vnd.android.cursor.item/email_v2");  //  emailvalues.put("raw_contact_id", newid);  //  resolver.insert(data_uri, emailvalues);  //  //  // name插入  //  ContentValues namevalues = new ContentValues();  //  namevalues.put("data1", "王刚");  //  namevalues.put("mimetype", "vnd.android.cursor.item/name");  //  namevalues.put("raw_contact_id", newid);  //  resolver.insert(data_uri, namevalues);   }     private void getContactList()   {    ContentResolver resolver = getContentResolver();      Uri raw_contacts_uri = Uri.parse("content://com.android.contacts/raw_contacts");    Uri data_uri = Uri.parse("content://com.android.contacts/data");      ll.removeAllViews();    Cursor cursor = resolver.query(raw_contacts_uri, null, null, null, null);    while (cursor.moveToNext())    {     String contactid = cursor.getString(cursor.getColumnIndex("contact_id"));     System.out.println(contactid + "\n");       if (null != contactid)     {      StringBuffer sb = new StringBuffer("联系人ID:");      sb.append(contactid).append(" ");        Cursor data_cursor = resolver.query(data_uri, null, "raw_contact_id=?", new String[]      { contactid }, null);        while (data_cursor.moveToNext())      {       String data1 = data_cursor.getString(data_cursor.getColumnIndex("data1"));       String mimetype = data_cursor.getString(data_cursor.getColumnIndex("mimetype"));       System.out.println("mimetype=" + mimetype + ";data1=" + data1);       sb.append(data1).append(" ");      }      data_cursor.close();      TextView tv = new TextView(this);      LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);      tv.setLayoutParams(lp);      tv.setText(sb.toString());      ll.addView(tv);     }    }    cursor.close();   }  }