Android Open Source - SyncFrameworkAndroid Base Authenticator Activity

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License

The source code is released under:

Apache License

Java Source Code

/***
 Copyright (c) 2014 Selvin// w  w  w .ja v a 2 s .c  o m
 Licensed under the Apache License, Version 2.0 (the "License"); you may not
 use this file except in compliance with the License. You may obtain a copy
 of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
 by applicable law or agreed to in writing, software distributed under the
 License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
 OF ANY KIND, either express or implied. See the License for the specific
 language governing permissions and limitations under the License.
 */

package pl.selvin.android.listsyncsample.support;

import android.accounts.AccountManager;
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.View;
import android.view.Window;
import android.widget.EditText;
import android.widget.TextView;

import pl.selvin.android.listsyncsample.R;
import pl.selvin.android.listsyncsample.authenticator.Common;
import pl.selvin.android.listsyncsample.authenticator.Common.IAuthenticationResult;

public class BaseAuthenticatorActivity extends Activity implements
        IAuthenticationResult {

    private Thread mAuthThread;

    private final Handler mHandler = new Handler();
    private TextView mMessage;

    private EditText mUsernameEdit;
    private String mUsername;

    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        requestWindowFeature(Window.FEATURE_LEFT_ICON);
        setContentView(R.layout.login_activity);
        getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON,
                android.R.drawable.ic_dialog_alert);

        mMessage = (TextView) findViewById(R.id.message);
        mUsernameEdit = (EditText) findViewById(R.id.username_edit);
        mMessage.setText(getMessage());
    }

    private CharSequence getMessage() {
        getString(R.string.label);
        if (TextUtils.isEmpty(mUsername)) {
            return getText(R.string.login_activity_newaccount_text);
        }
        return null;
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        final ProgressDialog dialog = new ProgressDialog(this);
        dialog.setMessage(getText(R.string.ui_activity_authenticating));
        dialog.setIndeterminate(true);
        dialog.setCancelable(true);
        dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
            public void onCancel(DialogInterface dialog) {
                // Log.i(TAG, "dialog cancel has been invoked");
                if (mAuthThread != null) {
                    mAuthThread.interrupt();

                    finish();
                }

            }
        });
        return dialog;
    }

    public void handleLogin(View view) {
        mUsername = mUsernameEdit.getText().toString();
        if (TextUtils.isEmpty(mUsername)) {
            mMessage.setText(getMessage());
        } else {
            showDialog(0);

            // Start authenticating...
            mAuthThread = Common.attemptAuth(mUsername, mHandler, this);
        }
    }

    public void onAuthenticationResult(boolean result) {
        dismissDialog(0);
        finish();
    }

    public void finish() {
        Intent intent = new Intent(BROADCAST);
        if (Common.getAuthtoken() != null) {
            intent.putExtra(AccountManager.KEY_AUTHTOKEN, Common.getAuthtoken());
        }
        sendBroadcast(intent);
        super.finish();
    }

    public static final String BROADCAST = "PRE_FROYO_LOGIN";
}

Java Source Code List

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