只是为了好玩，我将这里的大部分答案复制到一个班级中，看看他们中的任何一个能否成功获得 Facebook 缩略图。他们没有....但是，这就是我所做的，也许是为了避免你做同样的事情。
为了方便，它会在对话框中显示结果。
请注意 - 它没有经过优化，您需要捕获错误并关闭光标等：
启动联系人选择器意图：
private static final int SELECT_CONTACT = 1468;
Intent contactPickerIntent = new Intent(Intent.ACTION_PICK, Contacts.CONTENT_URI);
contactPickerIntent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
try {
startActivityForResult(contactPickerIntent, SELECT_CONTACT);
} catch (ActivityNotFoundException e) {
e.printStackTrace();
}
回调：
@Override
public void onActivityResult(final int requestCode, final int resultCode, final Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (data != null && resultCode == Activity.RESULT_OK) {
switch (requestCode) {
case SELECT_CONTACT:
Uri contactURI = data.getData();
if (contactURI != null) {
String contactID = data.getData().getLastPathSegment().trim();
String contactName = ContactThumb.getDisplayName(getActivity(), contactURI);
if (contactName != null && !contactName.isEmpty() && contactID != null && !contactID.isEmpty()) {
final int THUMBNAIL_SIZE = 100;
Bitmap contactThumb = ContactThumb.loadContactPhoto(getActivity(), Long.valueOf(contactID));
if (contactThumb != null) {
final AlertDialog.Builder alert = new AlertDialog.Builder(getActivity());
final int width = contactThumb.getWidth();
final int height = contactThumb.getHeight();
final int ratio = width / height;
final Bitmap resized = ThumbnailUtils.extractThumbnail(contactThumb, (THUMBNAIL_SIZE * ratio),
THUMBNAIL_SIZE);
Drawable icon = new BitmapDrawable(getActivity().getResources(), resized);
alert.setIcon(icon);
alert.setTitle("Contact details");
final TextView homeTV = new TextView(getActivity());
homeTV.setText(contactName + " : " + contactID);
homeTV.setTextSize(12);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
homeTV.setTextColor(Color.WHITE);
}
homeTV.setPadding(30, 2, 20, 10);
homeTV.setMovementMethod(LinkMovementMethod.getInstance());
alert.setView(homeTV);
alert.show();
} else {
Toast.makeText(getActivity(), "Photo null", Toast.LENGTH_SHORT).show();
}
}
}
break;
}
} else {
// cancelled or error
}
}
ContactThumb 尝试......
import java.io.InputStream;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.provider.ContactsContract;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.PhoneLookup;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.util.Log;
public class ContactThumb {
private static final String TAG = "THUMB";
public static String getDisplayName(final Context ctx, final Uri contactURI) {
String cname = null;
try {
final String[] projection = new String[] { ContactsContract.Contacts.DISPLAY_NAME };
final Cursor cursor = ctx.getContentResolver().query(contactURI, projection, null, null, null);
if (cursor != null) {
try {
if (cursor.moveToFirst()) {
cname = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
}
} finally {
cursor.close();
}
}
} catch (final Exception e) {
e.printStackTrace();
}
return cname;
}
public static Bitmap loadContactPhoto(final Context ctx, final long contactId) {
final Uri contactUri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, contactId);
final InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(ctx.getContentResolver(), contactUri);
if (input != null) {
Log.i(TAG, "loadContactPhoto: input");
return BitmapFactory.decodeStream(input);
} else {
byte[] photoBytes = null;
Uri photoUri = Uri.withAppendedPath(contactUri, Contacts.Photo.CONTENT_DIRECTORY);
final Cursor c = ctx.getContentResolver().query(photoUri,
new String[] { ContactsContract.CommonDataKinds.Photo.PHOTO }, null, null, null);
try {
if (c.moveToFirst()) {
photoBytes = c.getBlob(0);
}
} catch (final Exception e) {
e.printStackTrace();
} finally {
c.close();
}
if (photoBytes != null) {
Log.i(TAG, "loadContactPhoto: photoBytes");
return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length);
} else {
Bitmap another = finalAttempt(ctx, contactId);
if (another != null) {
Log.i(TAG, "loadContactPhoto: another");
return another;
} else {
Log.i(TAG, "loadContactPhoto: might be returning default");
return getFacebookPhoto(ctx, getContactNumber(ctx, String.valueOf(contactId)));
}
}
}
}
public static String getContactNumber(final Context ctx, final String contactID) {
Cursor phones = null;
try {
phones = ctx.getContentResolver().query(Phone.CONTENT_URI, null, Phone.CONTACT_ID + " = " + contactID, null, null);
String cnum = null;
if (phones != null && phones.getCount() > 0) {
while (phones.moveToNext()) {
cnum = phones.getString(phones.getColumnIndex(Phone.NUMBER));
if (cnum != null && !cnum.isEmpty() && !cnum.contains("@")) {
Log.i(TAG, "getContactNumbers: : cnum: " + cnum);
try {
phones.close();
} catch (Exception e) {
e.printStackTrace();
}
return cnum;
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static Bitmap getFacebookPhoto(final Context ctx, String phoneNumber) {
Uri phoneUri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(phoneNumber));
Uri photoUri = null;
ContentResolver cr = ctx.getContentResolver();
Cursor contact = cr.query(phoneUri, new String[] { ContactsContract.Contacts._ID }, null, null, null);
if (contact.moveToFirst()) {
long userId = contact.getLong(contact.getColumnIndex(ContactsContract.Contacts._ID));
photoUri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, userId);
} else {
Bitmap defaultPhoto = BitmapFactory.decodeResource(ctx.getResources(), android.R.drawable.ic_menu_report_image);
return defaultPhoto;
}
if (photoUri != null) {
InputStream input = ContactsContract.Contacts.openContactPhotoInputStream(cr, photoUri);
if (input != null) {
return BitmapFactory.decodeStream(input);
}
} else {
Bitmap defaultPhoto = BitmapFactory.decodeResource(ctx.getResources(), android.R.drawable.ic_menu_report_image);
return defaultPhoto;
}
Bitmap defaultPhoto = BitmapFactory.decodeResource(ctx.getResources(), android.R.drawable.ic_menu_report_image);
return defaultPhoto;
}
public static Bitmap finalAttempt(final Context ctx, final long contactId) {
byte[] photoBytes = null;
String[] projection = new String[] { ContactsContract.Contacts.PHOTO_ID, ContactsContract.Contacts.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER, };
ContentResolver cr = ctx.getContentResolver();
final Uri contactUri = ContentUris.withAppendedId(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, contactId);
Cursor cursor = cr.query(contactUri, projection, null, null, ContactsContract.Contacts.DISPLAY_NAME + " ASC");
if (cursor != null && cursor.moveToFirst()) {
int id = cursor.getInt(cursor.getColumnIndex(ContactsContract.Contacts.PHOTO_ID));
Uri photoUri = ContentUris.withAppendedId(ContactsContract.Data.CONTENT_URI, id);
Cursor c = cr.query(photoUri, new String[] { ContactsContract.CommonDataKinds.Photo.PHOTO }, null, null, null);
try {
if (c.moveToFirst()) {
photoBytes = c.getBlob(0);
}
} catch (Exception e) {
} finally {
cursor.close();
c.close();
}
if (photoBytes != null) {
return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length);
}
}
return null;
}
}
如果任何方法对您有用，请为我复制并粘贴代码的答案投票！
查看此链接以获取Android Developers suggested way
祝你好运