............
//構(gòu)造一個(gè)隱式的Intent，拉起聯(lián)系人界面
final Intent pickIntent = new Intent(Intent.ACTION_PICK,
  ContactsContract.Contacts.CONTENT_URI);

mSuspectButton = (Button)v.findViewById(R.id.crime_suspect);
mSuspectButton.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View v) {
  startActivityForResult(pickIntent, REQUEST_CONTACT);
 }
});
...........

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
 ...........
 } else if (requestCode == REQUEST_CONTACT && data != null) {
  //在聯(lián)系人界面選擇完畢后，返回的結(jié)果中攜帶了對(duì)應(yīng)的Uri
  Uri contactUri = data.getData();

  String[] queryFields = new String[] {
    ContactsContract.Contacts.DISPLAY_NAME,
    //查詢(xún)聯(lián)系人對(duì)應(yīng)的contactId
    ContactsContract.Contacts._ID
  };

  Cursor c = getActivity().getContentResolver()
    .query(contactUri, queryFields, null, null, null);

  if (c == null) {
   return;
  }

  try {
   if (c.getCount() == 0) {
    return;
   }

   c.moveToFirst();

   //聯(lián)系人的名稱(chēng)
   String suspect = c.getString(0);
   mCrime.setSuspect(suspect);
   mSuspectButton.setText(suspect);

   //記錄聯(lián)系人的contactId
   mCrime.setContactId(c.getString(1));
   mDialButton.setEnabled(true);
  } finally {
   c.close();
  }
 }
}

...............
mDialButton = (Button) v.findViewById(R.id.crime_dial);
mDialButton.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View v) {
  //SDK >= 23時(shí)，定義了Activity.checkSelfPermission方法
  //為了避免對(duì)SDK版本的判斷，兼容低版本，一般都是使用兼容庫(kù)中的方法
  //此處使用的是android.support.v4.app.Fragment中的checkSelfPermission
  //對(duì)于Activity，可以使用ActivityCompat中的方法
  int hasReadContactsPermission = checkSelfPermission(getContext(),
    android.Manifest.permission.READ_CONTACTS);

  //判斷是否已有對(duì)應(yīng)權(quán)限
  //用戶(hù)主動(dòng)賦予過(guò)一次后，該應(yīng)用就一直具有該權(quán)限，除非在應(yīng)用管理中撤銷(xiāo)
  if (hasReadContactsPermission != PackageManager.PERMISSION_GRANTED) {
   //沒(méi)有權(quán)限，則需要申請(qǐng)權(quán)限

   //當(dāng)用戶(hù)選擇“拒絕權(quán)限申請(qǐng)，并不再提示”后，仍可能點(diǎn)擊該按鍵
   //因此需要彈出提示框，提醒用戶(hù)該功能需要權(quán)限
   //這就要用到shouldShowRequestPermissionRationale方法
   if (!shouldShowRequestPermissionRationale(android.Manifest.permission.READ_CONTACTS)) {
    showMessageOKCancel("You need to allow access to Contacts",
     new DialogInterface.OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {
       //仍調(diào)用兼容庫(kù)中的方法，申請(qǐng)權(quán)限
       requestPermissions(
        new String[] {Manifest.permission.READ_CONTACTS},
        ASK_READ_CONTACTS_PERMISSION);
       }
      });
    return;
   }

   requestPermissions(new String[] {Manifest.permission.READ_CONTACTS},
     ASK_READ_CONTACTS_PERMISSION);

   return;
  }

  //有權(quán)限則直接獲取電話號(hào)碼，并撥號(hào)
  getPhoneNumberAndDial();
 }
});
................

private void showMessageOKCancel(String message, DialogInterface.OnClickListener okListener) {
 new AlertDialog.Builder(getContext())
  .setMessage(message)
  .setPositiveButton("OK", okListener)
  .setNegativeButton("Cancel", null)
  .create()
  .show();
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 switch (requestCode) {
  case ASK_READ_CONTACTS_PERMISSION:
   //由于只申請(qǐng)了一個(gè)權(quán)限，因此grantResults[0]就是對(duì)應(yīng)權(quán)限的申請(qǐng)結(jié)果
   if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
     //權(quán)限申請(qǐng)成功，則可以獲取電話號(hào)碼并撥號(hào)
     getPhoneNumberAndDial();
   } else {
    Toast.makeText(getContext(),
      "READ_CONTACTS Denied",
      Toast.LENGTH_SHORT)
      .show();
   }
   return;
  default:
   super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 }
}

private void getPhoneNumberAndDial() {
 //根據(jù)之前獲取到的contactId，得到CommonDataKinds.Phone表中的信息
 Cursor c = getActivity().getContentResolver().query(
   ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
   null,
   ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
   new String[] {mCrime.getContactId()},
   null);

 if (c == null) {
  return;
 }

 try {
  if (c.getCount() != 0) {
   c.moveToFirst();

   //得到Phone Number對(duì)應(yīng)的indexId
   int index = c.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);

   //得到phone Number
   String number = c.getString(index);

   Uri realNumber = Uri.parse("tel: " + number);
   //ACTION_DIAL拉起撥號(hào)盤(pán)撥號(hào)，或利用ACTION_CALL直接撥號(hào)
   Intent i = new Intent(Intent.ACTION_DIAL);
   i.setData(realNumber);
   startActivity(i);
  } else {
   Toast.makeText(getContext(), "choose contact again", Toast.LENGTH_LONG).show();
  }
 } finally {
  c.close();
 }
}