Android获取手机通讯录、sim卡联系人及调用拨号界面方法

private void getPhoneContacts() {   
    ContentResolver resolver = this.getContentResolver();   
       
    // 获取手机联系人   
   Cursor phoneCursor = resolver.query(Phone.CONTENT_URI, 
                new String[] { Phone.CONTACT_ID, Phone.DISPLAY_NAME, 
                        Phone.NUMBER }, 
                Phone.DISPLAY_NAME + "=?" + " AND " + Phone.TYPE + "='" 
                        + Phone.TYPE_MOBILE + "'", new String[] { name }, null); 
    if (phoneCursor != null) { 
        while (phoneCursor.moveToNext()) { 
            String number = phoneCursor.getString(2); 
                    // 当手机号码为空的或者为空字段 跳过当前循环   
                    if (TextUtils.isEmpty(phoneNumber))   
                        continue; 
            // 得到联系人名称               
            String username = phoneCursor.getString(1); 
            mContactsName.add(contactName);   
                mContactsNumber.add(phoneNumber); 
 
        } 
        phoneCursor.close(); 
    }  
} 

private void getSIMContacts() {   
    ContentResolver resolver = mContext.getContentResolver();   
    // 获取Sims卡联系人   
    Uri uri = Uri.parse("content://icc/adn");   
    Cursor phoneCursor = resolver.query(uri, 
                new String[] { Phone.CONTACT_ID, Phone.DISPLAY_NAME, 
                        Phone.NUMBER }, 
                Phone.DISPLAY_NAME + "=?" + " AND " + Phone.TYPE + "='" 
                        + Phone.TYPE_MOBILE + "'", new String[] { name }, null); 
    if (phoneCursor != null) { 
        while (phoneCursor.moveToNext()) { 
            String number = phoneCursor.getString(2); 
                    // 当手机号码为空的或者为空字段 跳过当前循环   
                    if (TextUtils.isEmpty(phoneNumber))   
                        continue; 
            // 得到联系人名称               
            String username = phoneCursor.getString(1); 
            mContactsName.add(contactName);   
                mContactsNumber.add(phoneNumber); 
 
        } 
        phoneCursor.close(); 
    } 
} 

//调用系统方法拨打电话   
    Intent dialIntent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + mContactsNumber.get(position)));   
    startActivity(dialIntent);  

<!-- 读取联系人权限 -->    
<uses-permission android:name="android.permission.READ_CONTACTS"/>   
<!-- 拨打电话权限 -->   
<uses-permission android:name="android.permission.CALL_PHONE"/>