如果我使用带有 ACTION_SEND 的 Intent 并输入“text/plain”,并且 EXTRA_TEXT Facebook 不会预填充任何内容。这是我已经看到的。每个人都说,使用 Facebook SDK,但我不希望我的应用程序自动发布任何内容,也不希望我的应用程序处理登录 token 。我只想打开“写帖子 Facebook”屏幕,其中包含预定义的文本、链接和图像。就像我分享图库应用程序中的图像一样。可能吗?
最佳答案
好吧,通过 Intent 是不可能做到的。显示文本、图像+链接并让用户在发布之前编写内容的唯一解决方案是使用丑陋的提要对话框(或使用 EditText 创建自定义 Activity ,用户可以在其中编写一些内容)。
这是有效的代码:
public class FacebookPostActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_facebook_post);
Session.openActiveSession(this, false, new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state, Exception exception) {
if(session.isOpened()){
publishFeedDialog();
}
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
}
private void publishFeedDialog() {
Bundle params = new Bundle();
params.putString("name", "Facebook SDK for Android");
params.putString("caption", "Build great social apps and get more installs.");
params.putString("description", "The Facebook SDK for Android makes it easier and faster to develop Facebook integrated Android apps.");
params.putString("link", "https://developers.facebook.com/android");
params.putString("picture", "https://raw.github.com/fbsamples/ios-3.x-howtos/master/Images/iossdk_logo.png");
WebDialog feedDialog = new WebDialog.FeedDialogBuilder(this, Session.getActiveSession(), params)
.setOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(Bundle values, FacebookException error) {
if(error == null){
final String postId = values.getString("post_id");
if(postId != null){
Toast.makeText(FacebookPostActivity.this, "Posted story, id: " + postId, Toast.LENGTH_SHORT).show();
}else{
Toast.makeText(FacebookPostActivity.this, "Publish cancelled", Toast.LENGTH_SHORT).show();
}
}else if(error instanceof FacebookOperationCanceledException){
// User clicked the "x" button
Toast.makeText(FacebookPostActivity.this, "Publish cancelled", Toast.LENGTH_SHORT).show();
}else{
// Generic, ex: network error
Toast.makeText(FacebookPostActivity.this, "Error posting story", Toast.LENGTH_SHORT).show();
}
}
}).build();
feedDialog.show();
}
}
关于android - 如何使用一些预定义的文本和图像打开 Facebook Write Post,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15409920/