我知道這個問題已被問到,但我一直在嘗試500種不同的方式爲我的android應用程序生成一個發佈密鑰,所以我可以使用facebook來獲取數據。原因是我想在我自己的設備上測試它,當我嘗試使用Facebook登錄時遇到的錯誤是「無效密鑰哈希」,後面跟着一個我從未輸入過的密鑰哈希。android的發佈密鑰爲facebook
那麼,我試圖產生密鑰散列?
我已經在Java庫與我的命令提示符,進入這一行:
keytool -exportcert -alias androiddebugkey -keystore C:\Users\Riaan\.android | C:\OpenSSL\bin\openssl sha1 -binary | C:\OpenSSL\bin\openssl base64
androiddebugkey是密鑰存儲的別名我,當我從出口日食的文件,路徑密鑰庫是一個是我在C:users\riaan\.android
,它叫做debug.keystore。
然後在下一行我定義了openssl的路徑,然後我再次執行此操作。
我確實得到了一些看起來像是關鍵散列的東西。但是,當我把它放在臉書上時,我仍然會遇到同樣的錯誤。它曾經工作過一次而不是停止工作。
我發現好奇的另一件事是,當我將該行放入命令提示符時,系統沒有提示輸入密碼。所以很明顯我做錯了什麼,但是什麼?
的完整性我會給代碼這裏登錄頁面:
import java.util.ArrayList;
import java.util.Arrays;
import org.json.JSONArray;
import org.json.JSONObject;
import com.facebook.Request;
import com.facebook.Response;
import com.facebook.Session;
import com.facebook.SessionState;
import com.facebook.UiLifecycleHelper;
import com.facebook.model.GraphObject;
import com.facebook.model.GraphObjectList;
import com.facebook.model.GraphUser;
import com.facebook.widget.LoginButton;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
public class User_data_prompt_dialog extends Fragment {
private static final String TAG = "MainFragment";
private UiLifecycleHelper uiHelper;
private TextView userInfoTextView;
private Session.StatusCallback callback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state, Exception exception) {
onSessionStateChange(session, state, exception);
}
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(getActivity(), callback);
uiHelper.onCreate(savedInstanceState);
}
public View onCreateView(LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.activity_first_dialog, container, false);
// create manual input button
Button manualbutton =(Button)view.findViewById(R.id.manualinput);
manualbutton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// experiment, erase later.
Intent intent = new Intent(getActivity(), ManualDataEntry.class);
startActivity(intent);
getActivity().finish();
// implement soon!
}
});
// initialize authentication button and ask for permissions
// to access data from facebook.
LoginButton authButton = (LoginButton) view.findViewById(R.id.authButton);
authButton.setFragment(this);
authButton.setReadPermissions(Arrays.asList("user_location", "user_birthday", "user_likes"));
// Textview that displays data
userInfoTextView = (TextView) view.findViewById(R.id.userInfoTextView);
return view;
}
private void onSessionStateChange(Session session, SessionState state, Exception exception) {
if (state.isOpened()) {
userInfoTextView.setVisibility(View.VISIBLE);
} else if (state.isClosed()) {
userInfoTextView.setVisibility(View.INVISIBLE);
}
}
private String buildUserInfoDisplay(GraphUser user) {
StringBuilder userInfo = new StringBuilder("");
// Example: typed access (name)
// - no special permissions required
userInfo.append(String.format("Name: %s\n\n",
user.getName()));
// Example: typed access (birthday)
// - requires user_birthday permission
userInfo.append(String.format("Birthday: %s\n\n",
user.getBirthday()));
// Example: partially typed access, to location field,
// name key (location)
// - requires user_location permission
userInfo.append(String.format("Location: %s\n\n",
user.getLocation().getProperty("name")));
// Example: access via property name (locale)
// - no special permissions required
userInfo.append(String.format("Locale: %s\n\n",
user.getProperty("locale")));
return userInfo.toString();
}
private interface MyGraphLanguage extends GraphObject {
// Getter for the ID field
String getId();
// Getter for the Name field
String getName();
}
@Override
public void onResume() {
super.onResume();
Session session = Session.getActiveSession();
if (session != null &&
(session.isOpened() || session.isClosed())) {
onSessionStateChange(session, session.getState(), null);
}
uiHelper.onResume();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
uiHelper.onActivityResult(requestCode, resultCode, data);
}
@Override
public void onPause() {
super.onPause();
uiHelper.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
uiHelper.onDestroy();
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
uiHelper.onSaveInstanceState(outState);
}
}
如果我理解你正確地,這是我應該做的:1)做我的.apk文件的簽訂出口。收集密鑰庫別名。 2)把這個放在命令中。 3)找到密鑰庫的路徑並將其粘貼到命令中。 4)找到我的openssl的地址並將其粘貼到命令中。那是對的嗎? –
我不需要使用openssl。如果我的問題有幫助,那麼請接受答案。 –