[英]Post photo facebook android
我會在我的應用中創建帶有照片和標題的帖子,並將其發布到我的Facebook上。 我不確切地知道所需的步驟,所以我不知道我在做什么錯。 主要活動在其xml中具有LoginButton和ShareButton。 我做了:
public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity";
public DBhelper database;
public CallbackManager callbackManager;
public ShareDialog shareDialog;
public ShareButton shareButton;
public SharePhotoContent sharePhotoContent;
}
本課程有:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
FacebookSdk.sdkInitialize(getApplicationContext());
AppEventsLogger.activateApp(this);
callbackManager = CallbackManager.Factory.create();
shareDialog = new ShareDialog(this);
shareButton=new ShareButton(this);
setContentView(R.layout.activity_main);
LoginButton loginButton = (LoginButton) findViewById(R.id.login_button);
loginButton.setReadPermissions("user_friends","public_profile");
get_login_details(loginButton);
shareButton=(ShareButton) findViewById(R.id.share_button);
sharePhotoContent=genera_share_photo_content();
shareButton.setShareContent(sharePhotoContent);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
callbackManager.onActivityResult(requestCode,resultCode,data);
Log.e(TAG,data.toString());
}
和這兩種方法:
protected void get_login_details(LoginButton loginButton) {
loginButton.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
// App code
Toast.makeText(getApplicationContext(),"SI",Toast.LENGTH_LONG).show();
}
@Override
public void onCancel() {
// App code
Toast.makeText(getApplicationContext(),"CANCEL",Toast.LENGTH_LONG).show();
}
@Override
public void onError(FacebookException exception) {
// App code
Toast.makeText(getApplicationContext(),"NO",Toast.LENGTH_LONG).show();
}
});
}
public SharePhotoContent genera_share_photo_content() {
//code...
Bitmap image = ...
SharePhoto photo = new SharePhoto.Builder()
.setBitmap(image)
.build();
SharePhotoContent content = new SharePhotoContent.Builder()
.addPhoto(photo)
.build();
return content;
}
現在,共享內容是在開始時制作的:我將使用genera_share_photo_content()
使其動態化:如何在需要時進行修改? 我應該在某個地方調用shareDialog.show(content)
或ShareApi.share(content,null)
嗎? 是我為登錄按鈕設置的權限user_friends
和public_profile
。 足以完成所有工作?
您必須添加以下權限:
"publish_actions"
並且在清單中必須包含這些標簽
<meta-data
android:name="com.facebook.sdk.ApplicationId"
android:value="@string/facebook_app_id" />
<provider
android:name="com.facebook.FacebookContentProvider"
android:authorities="com.facebook.app.FacebookContentProvider1618161851808217"
android:exported="true" />
<activity
android:name="com.facebook.FacebookActivity"
android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:label="@string/app_name"
android:theme="@android:style/Theme.Translucent.NoTitleBar" />
做這個:
private void sharePhotoToFacebook(){
String filePath = "path to your image";
String text = "your custom text";
BitmapFactory.Options options = new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap = BitmapFactory.decodeFile(filePath, options);
SharePhoto photo = new SharePhoto.Builder()
.setBitmap(bitmap)
.setCaption(text)
.build();
SharePhotoContent content = new SharePhotoContent.Builder()
.addPhoto(photo)
.setContentUrl(Uri.parse(text))
.build();
ShareApi.share(content,null);
Toast.makeText(getApplicationContext(),"Snapshot shared On Facebook",Toast.LENGTH_SHORT).show();
}
public void publishimage() {
Log.i("Android","publishing Image");
FacebookSdk.sdkInitialize(getApplicationContext());
callbackManager = CallbackManager.Factory.create();
shareDialog = new ShareDialog(this);
java.util.List<String> permissionNeeds = Arrays.asList("publish_actions");
//this loginManager helps you eliminate adding a LoginButton to your UI
manager = LoginManager.getInstance();
manager.logInWithPublishPermissions(this, permissionNeeds);
manager.registerCallback(callbackManager, new FacebookCallback<LoginResult>() {
@Override
public void onSuccess(LoginResult loginResult) {
sharePhotoToFacebook();
}
@Override
public void onCancel() {
System.out.println("onCancel");
}
@Override
public void onError(FacebookException exception) {
System.out.println("onError");
}
});
}
並在按鈕上單擊,即:
btnshare.setOnclicklistener(new View.OnclickListener){
@Override
public void onClick(View V){
publishimage();
}
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.