我无法检索Facebook个人资料照片：
package com.androidtutorialpoint.flogin.Adapter;
import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Build;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.androidtutorialpoint.flogin.ImageHelper;
import com.androidtutorialpoint.flogin.Model.Post_Song;
import com.androidtutorialpoint.flogin.R;
import com.squareup.picasso.Callback;
import com.squareup.picasso.Picasso;
import com.squareup.picasso.Target;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
/**
* Created by sravya on 19-02-2017.
*/
public class SongPostListAdapter extends BaseAdapter {
private Context context;
private int layout;
private ArrayList<Post_Song> songlist;
public SongPostListAdapter(ArrayList<Post_Song> songlist, int layout, Context context) {
this.songlist = songlist;
this.layout = layout;
this.context = context;
}
@Override
public int getCount() {
return songlist.size();
}
@Override
public Object getItem(int position) {
return songlist.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
private class ViewHolder{
TextView name,time,title,artist;
LinearLayout song_pic;
}
ImageView profilePicImageView;
@Override
public View getView(int position, View view, ViewGroup parent) {
View row = view;
ViewHolder holder = new ViewHolder();
if(row ==null){
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
row = inflater.inflate(layout,null);
holder.artist = (TextView)row.findViewById(R.id.artist);
holder.name = (TextView)row.findViewById(R.id.user_name);
holder.time = (TextView)row.findViewById(R.id.time);
holder.title = (TextView)row.findViewById(R.id.song_title);
holder.song_pic = (LinearLayout)row.findViewById(R.id.track_pic);
//holder.userImage =(ImageView) row.findViewById(R.id.user_pic);
profilePicImageView = (ImageView) row.findViewById(R.id.profilePicture);
row.setTag(holder);
}else{
holder = (ViewHolder)row.getTag();
}
Post_Song posts = songlist.get(position);
holder.artist.setText(posts.getArtist());
holder.name.setText(posts.getUname());
holder.time.setText(posts.getTime());
holder.title.setText(posts.getTitle());
new LoadProfileImage(profilePicImageView).execute(posts.getUser_pic());
final ViewHolder finalHolder = holder;
Picasso.with(context).load(posts.getArtwork()).placeholder(R.drawable.music_placeholder).into(new Target(){
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onBitmapLoaded(Bitmap bitmap, Picasso.LoadedFrom from) {
finalHolder.song_pic.setBackground(new BitmapDrawable(context.getResources(), bitmap));
}
@Override
public void onBitmapFailed(final Drawable errorDrawable) {
Log.d("TAG", "FAILED");
}
@Override
public void onPrepareLoad(final Drawable placeHolderDrawable) {
Log.d("TAG", "Prepare Load");
}
});
return row;
}
private class LoadProfileImage extends AsyncTask<String, Void, Bitmap> {
ImageView bmImage;
public LoadProfileImage(ImageView bmImage) {
this.bmImage = bmImage;
}
protected Bitmap doInBackground(String... uri) {
String url = uri[0];
Bitmap mIcon11 = null;
try {
InputStream in = new java.net.URL(url).openStream();
mIcon11 = BitmapFactory.decodeStream(in);
} catch (Exception e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
return mIcon11;
}
protected void onPostExecute(Bitmap result) {
if (result != null) {
Bitmap resized = Bitmap.createScaledBitmap(result,90,90, true);
bmImage.setImageBitmap(ImageHelper.getRoundedCornerBitmap(context,resized,100,90,90, false, false, false, false));
}
}
}
}
这是我的适配器。我不能在这里获得个人资料照片。
这是我的Facebook片段，这里获取个人资料照片没有问题
package com.androidtutorialpoint.flogin;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.app.AlertDialog;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import android.content.Context;
import android.content.SharedPreferences;
import com.facebook.AccessToken;
import com.facebook.CallbackManager;
import com.facebook.FacebookAuthorizationException;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.GraphRequest;
import com.facebook.GraphResponse;
import com.facebook.Profile;
import com.facebook.ProfileTracker;
import com.facebook.appevents.AppEventsLogger;
import com.facebook.login.LoginManager;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;
import com.facebook.share.ShareApi;
import com.facebook.share.Sharer;
import com.facebook.share.model.ShareLinkContent;
import com.facebook.share.model.SharePhoto;
import com.facebook.share.model.SharePhotoContent;
import com.facebook.share.widget.ShareDialog;
import org.json.JSONObject;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
public class FacebookFragment extends Fragment{
DatabaseHelper myDb;
private LoginButton loginButton;
private Button getLibrary;
private Button getShared;
private boolean postingEnabled = false;
private static final String PERMISSION = "publish_actions";
private final String PENDING_ACTION_BUNDLE_KEY =
"com.example.hellofacebook:PendingAction";
//private Button postStatusUpdateButton;
// private Button postPhotoButton;
private ImageView profilePicImageView;
private TextView greeting;
private PendingAction pendingAction = PendingAction.NONE;
private boolean canPresentShareDialog;
private boolean canPresentShareDialogWithPhotos;
private CallbackManager callbackManager;
private ProfileTracker profileTracker;
private ShareDialog shareDialog;
private FacebookCallback<Sharer.Result> shareCallback = new FacebookCallback<Sharer.Result>() {
@Override
public void onCancel() {
Log.d("FacebookFragment", "Canceled");
}
@Override
public void onError(FacebookException error) {
Log.d("FacebookFragment", String.format("Error: %s", error.toString()));
String title = getString(R.string.error);
String alertMessage = error.getMessage();
showResult(title, alertMessage);
}
@Override
public void onSuccess(Sharer.Result result) {
Log.d("FacebookFragment", "Success!");
if (result.getPostId() != null) {
String title = getString(R.string.success);
String id = result.getPostId();
String alertMessage = getString(R.string.successfully_posted_post, id);
showResult(title, alertMessage);
}
}
private void showResult(String title, String alertMessage) {
new AlertDialog.Builder(getActivity())
.setTitle(title)
.setMessage(alertMessage)
.setPositiveButton(R.string.ok, null)
.show();
}
};
private enum PendingAction {
NONE,
POST_PHOTO,
POST_STATUS_UPDATE
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
myDb = new DatabaseHelper(getActivity());
FacebookSdk.sdkInitialize(getActivity());
// Other app specific specialization
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode, resultCode, data);
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_facebook, parent, false);
loginButton = (LoginButton) v.findViewById(R.id.loginButton);
// If using in a fragment
loginButton.setFragment(this);
callbackManager = CallbackManager.Factory.create();
// Callback registration
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
Toast toast = Toast.makeText(getActivity(), "Logged In", Toast.LENGTH_SHORT);
postingEnabled = true;
// postPhotoButton.setVisibility(View.VISIBLE);
// postStatusUpdateButton.setVisibility(View.VISIBLE);
getLibrary.setVisibility(View.VISIBLE);
getShared.setVisibility(View.VISIBLE);
toast.show();
handlePendingAction();
updateUI();
}
@Override
public void onCancel() {
// App code
if (pendingAction != PendingAction.NONE) {
showAlert();
pendingAction = PendingAction.NONE;
}
updateUI();
}
@Override
public void onError(FacebookException exception) {
if (pendingAction != PendingAction.NONE
&& exception instanceof FacebookAuthorizationException) {
showAlert();
pendingAction = PendingAction.NONE;
}
updateUI();
}
private void showAlert() {
new AlertDialog.Builder(getActivity())
.setTitle(R.string.cancelled)
.setMessage(R.string.permission_not_granted)
.setPositiveButton(R.string.ok, null)
.show();
}
});
shareDialog = new ShareDialog(this);
shareDialog.registerCallback(
callbackManager,
shareCallback);
if (savedInstanceState != null) {
String name = savedInstanceState.getString(PENDING_ACTION_BUNDLE_KEY);
pendingAction = PendingAction.valueOf(name);
}
profileTracker = new ProfileTracker() {
@Override
protected void onCurrentProfileChanged(Profile oldProfile, Profile currentProfile) {
updateUI();
handlePendingAction();
}
};
profilePicImageView = (ImageView) v.findViewById(R.id.profilePicture);
greeting = (TextView) v.findViewById(R.id.greeting);
//postStatusUpdateButton = (Button) v.findViewById(R.id.postStatusUpdateButton);
/*postStatusUpdateButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
onClickPostStatusUpdate();
}
});*/
/*postPhotoButton = (Button) v.findViewById(R.id.postPhotoButton);
postPhotoButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
onClickPostPhoto();
}
});*/
getLibrary = (Button) v.findViewById(R.id.getLibraryButton);
getShared = (Button)v.findViewById(R.id.getSharedButton);
getShared.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(getActivity(), SongPostList.class));
}
});
getLibrary.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(getActivity(), MainActivity.class));
}
});
// Can we present the share dialog for regular links?
canPresentShareDialog = ShareDialog.canShow(
ShareLinkContent.class);
// Can we present the share dialog for photos?
canPresentShareDialogWithPhotos = ShareDialog.canShow(
SharePhotoContent.class);
loginButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
LoginManager.getInstance().logInWithReadPermissions(getActivity(), Arrays.asList("public_profile"));
if(!postingEnabled) {
postingEnabled = true;
// postPhotoButton.setVisibility(View.VISIBLE);
// postStatusUpdateButton.setVisibility(View.VISIBLE);
getLibrary.setVisibility(View.VISIBLE);
getShared.setVisibility(View.VISIBLE);
}else{
postingEnabled = false;
// postPhotoButton.setVisibility(View.GONE);
//postStatusUpdateButton.setVisibility(View.GONE);
getLibrary.setVisibility(View.GONE);
getShared.setVisibility(View.GONE);
}
// GraphRequest request = GraphRequest.newMeRequest(AccessToken.getCurrentAccessToken(),
// new GraphRequest.GraphJSONObjectCallback() {
// @Override
// public void onCompleted(
// JSONObject object,
// GraphResponse response) {
// if (object != null) {
// Log.d("Me Request",object.toString());
// Toast t = Toast.makeText(getActivity(), object.toString(), Toast.LENGTH_SHORT);
// t.show();
// }
//
// }
// });
// Bundle parameters = new Bundle();
// parameters.putString("fields", "id,name,link,email");
// request.setParameters(parameters);
// request.executeAsync();
}
});
// loginButton.setOnClickListener(new View.OnClickListener() {
// @Override
// public void onClick(View v) {
//
// LoginManager.getInstance().logInWithReadPermissions(getActivity(), Arrays.asList("public_profile", "user_friends"));
//
//
//
// }
// });
return v;
}
@Override
public void onResume() {
super.onResume();
// Call the 'activateApp' method to log an app event for use in analytics and advertising
// reporting. Do so in the onResume methods of the primary Activities that an app may be
// launched into.
AppEventsLogger.activateApp(getActivity());
updateUI();
}
@Override
public void onPause() {
super.onPause();
// Call the 'deactivateApp' method to log an app event for use in analytics and advertising
// reporting. Do so in the onPause methods of the primary Activities that an app may be
// launched into.
AppEventsLogger.deactivateApp(getActivity());
}
@Override
public void onDestroy() {
super.onDestroy();
profileTracker.stopTracking();
}
private void updateUI() {
boolean enableButtons = AccessToken.getCurrentAccessToken() != null;
//postStatusUpdateButton.setEnabled(enableButtons || canPresentShareDialog);
//postPhotoButton.setEnabled(enableButtons || canPresentShareDialogWithPhotos);
Profile profile = Profile.getCurrentProfile();
if (enableButtons && profile != null) {
new LoadProfileImage(profilePicImageView).execute(profile.getProfilePictureUri(200, 200).toString());
greeting.setText(getString(R.string.hello_user, profile.getName()));
boolean isInserted =myDb.insertData(profile.getId(),profile.getName(),profile.getProfilePictureUri(200,200).toString());
if(isInserted == true){
Toast.makeText(getActivity(),"Data Inserted",Toast.LENGTH_LONG).show();
SharedPreferences settings = getActivity().getSharedPreferences("mysettings",
Context.MODE_PRIVATE);
SharedPreferences.Editor editor = settings.edit();
editor.putString("uid", profile.getId());
editor.putString("name",profile.getName());
editor.putString("pic",profile.getProfilePictureUri(200,200).toString());
editor.commit();
}else{
Toast.makeText(getActivity(),"Not Inserted",Toast.LENGTH_LONG).show();
}
postingEnabled = true;
//postPhotoButton.setVisibility(View.VISIBLE);
//postStatusUpdateButton.setVisibility(View.VISIBLE);
getLibrary.setVisibility(View.VISIBLE);
getShared.setVisibility(View.VISIBLE);
} else {
Bitmap icon = BitmapFactory.decodeResource(getContext().getResources(),R.drawable.user_default);
profilePicImageView.setImageBitmap(ImageHelper.getRoundedCornerBitmap(getContext(), icon, 200, 200, 200, false, false, false, false));
greeting.setText(null);
postingEnabled = false;
// postPhotoButton.setVisibility(View.GONE);
//postStatusUpdateButton.setVisibility(View.GONE);
getLibrary.setVisibility(View.GONE);
getShared.setVisibility(View.GONE);
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putString(PENDING_ACTION_BUNDLE_KEY, pendingAction.name());
}
private void handlePendingAction() {
PendingAction previouslyPendingAction = pendingAction;
// These actions may re-set pendingAction if they are still pending, but we assume they
// will succeed.
pendingAction = PendingAction.NONE;
switch (previouslyPendingAction) {
case NONE:
break;
case POST_PHOTO:
postPhoto();
break;
case POST_STATUS_UPDATE:
postStatusUpdate();
break;
}
}
private void onClickPostStatusUpdate() {
performPublish(PendingAction.POST_STATUS_UPDATE, canPresentShareDialog);
}
private void postStatusUpdate() {
Profile profile = Profile.getCurrentProfile();
ShareLinkContent linkContent = new ShareLinkContent.Builder()
.setContentTitle("Integrate Facebook Login to your Android App")
.setContentDescription(
"This app shows how to integrate Facebook Login to your Android App")
.setContentUrl(Uri.parse("http://www.androidtutorialpoint.com/material-design/adding-facebook-login-to-android-app/"))
.build();
if (canPresentShareDialog) {
shareDialog.show(linkContent);
} else if (profile != null && hasPublishPermission()) {
ShareApi.share(linkContent, shareCallback);
} else {
pendingAction = PendingAction.POST_STATUS_UPDATE;
}
}
private void onClickPostPhoto() {
performPublish(PendingAction.POST_PHOTO, canPresentShareDialogWithPhotos);
}
private void postPhoto() {
Bitmap image = BitmapFactory.decodeResource(this.getResources(), R.drawable.androidlogo);
SharePhoto sharePhoto = new SharePhoto.Builder().setBitmap(image).build();
ArrayList<SharePhoto> photos = new ArrayList<>();
photos.add(sharePhoto);
SharePhotoContent sharePhotoContent =
new SharePhotoContent.Builder().setPhotos(photos).build();
if (canPresentShareDialogWithPhotos) {
shareDialog.show(sharePhotoContent);
} else if (hasPublishPermission()) {
ShareApi.share(sharePhotoContent, shareCallback);
} else {
pendingAction = PendingAction.POST_PHOTO;
// We need to get new permissions, then complete the action when we get called back.
LoginManager.getInstance().logInWithPublishPermissions(
this,
Arrays.asList(PERMISSION));
}
}
private boolean hasPublishPermission() {
AccessToken accessToken = AccessToken.getCurrentAccessToken();
return accessToken != null && accessToken.getPermissions().contains("publish_actions");
}
private void performPublish(PendingAction action, boolean allowNoToken) {
AccessToken accessToken = AccessToken.getCurrentAccessToken();
if (accessToken != null || allowNoToken) {
pendingAction = action;
handlePendingAction();
}
}
/**
* Background Async task to load user profile picture from url
* */
private class LoadProfileImage extends AsyncTask<String, Void, Bitmap> {
ImageView bmImage;
public LoadProfileImage(ImageView bmImage) {
this.bmImage = bmImage;
}
protected Bitmap doInBackground(String... uri) {
String url = uri[0];
Bitmap mIcon11 = null;
try {
InputStream in = new java.net.URL(url).openStream();
mIcon11 = BitmapFactory.decodeStream(in);
} catch (Exception e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
return mIcon11;
}
protected void onPostExecute(Bitmap result) {
if (result != null) {
Bitmap resized = Bitmap.createScaledBitmap(result,200,200, true);
bmImage.setImageBitmap(ImageHelper.getRoundedCornerBitmap(getContext(),resized,250,200,200, false, false, false, false));
}
}
}
}
请帮助，我无法弄清楚什么是错的
答案 0 :(得分：0)
您可以使用从AsyncTask扩展的自定义类来下载图像，而不是使用Picasso加载它。
Uri image = Profile.getCurrentProfile().getProfilePictureUri(200, 200);
Picasso.with(context).load(image).placeholder(R.drawable.placeholder).into(imageView);