Android Open Source - PicSync Auth Activity

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License

The source code is released under:
Apache License
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Java Source Code

package com.darrenmowat.gdcu.activity;
//  w w  w.j  a  v a2 s.c om
import android.accounts.AccountManager;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.darrenmowat.gdcu.GDCU;
import com.darrenmowat.gdcu.Keys;
import com.darrenmowat.gdcu.R;
import com.darrenmowat.gdcu.data.Preferences;
import com.darrenmowat.gdcu.drive.DriveApi;
import com.darrenmowat.gdcu.tasks.GetTokenTask;
import com.flurry.android.FlurryAgent;
import com.google.android.gms.auth.GoogleAuthUtil;
import com.google.android.gms.common.AccountPicker;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;

public class AuthActivity extends SherlockActivity {

  public static final String KEY_EMAIL = "email";
  public static final String KEY_INTENT = "intent";

  static final int REQUEST_CODE_CHOOSE_ACCOUNT = 1000;
  static final int REQUEST_CODE_RECOVER_FROM_AUTH_ERROR = 1001;
  static final int REQUEST_CODE_RECOVER_FROM_PLAY_SERVICES_ERROR = 1002;
  static final int REQUEST_CODE_ERROR_DIALOG = 1003;

  private String mEmail;

  // Views
  private TextView descTextView;
  private Button signInButton;

  private TextView signInTextView;
  private ProgressBar signInProgress;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Setup the View
    setContentView(R.layout.activity_auth);
    descTextView = (TextView) findViewById(R.id.authDescText);
    signInButton = (Button) findViewById(R.id.authSignInButton);
    signInTextView = (TextView) findViewById(R.id.authSigningInText);
    signInProgress = (ProgressBar) findViewById(R.id.authProgressSpinner);

    mEmail = Preferences.getEmail(AuthActivity.this);

    Intent intent = getIntent();
    Intent intentToLaunch = intent.getParcelableExtra(KEY_INTENT);
    if (intentToLaunch != null) {
      startActivityForResult(intentToLaunch, REQUEST_CODE_RECOVER_FROM_AUTH_ERROR);
    } else if (mEmail != null) {
      // We've already stored this users email address
      new GetTokenTask(this, mEmail, DriveApi.DRIVE_SCOPE,
          REQUEST_CODE_RECOVER_FROM_AUTH_ERROR).execute();
      descTextView.setVisibility(View.GONE);
      signInButton.setVisibility(View.GONE);
      signInTextView.setVisibility(View.VISIBLE);
      signInProgress.setVisibility(View.VISIBLE);
      return;
    }
    // This user will have to pick a com.google account
    descTextView.setVisibility(View.VISIBLE);
    signInButton.setVisibility(View.VISIBLE);
    signInTextView.setVisibility(View.GONE);
    signInProgress.setVisibility(View.GONE);
    // new GetTokenTask(this, mEmail, SCOPE,
    // REQUEST_CODE_RECOVER_FROM_AUTH_ERROR).execute();
    signInButton.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        Intent intent = AccountPicker.newChooseAccountIntent(null, null,
            new String[] { GoogleAuthUtil.GOOGLE_ACCOUNT_TYPE }, false, null, null,
            null, null);
        startActivityForResult(intent, REQUEST_CODE_CHOOSE_ACCOUNT);
      }

    });
  }

  @Override
  public void onStart() {
    super.onStart();
    int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
    if (status != ConnectionResult.SUCCESS) {
      Dialog errorDialog = GooglePlayServicesUtil.getErrorDialog(status, this,
          REQUEST_CODE_ERROR_DIALOG);
      errorDialog.show();
      // Don't allow the user to cancel the dialog
      // Or close the activity on close
    }
    if (!GDCU.DEVEL_BUILD) {
      FlurryAgent.onStartSession(this, Keys.FLURRY_KEY);
    }
  }

  @Override
  public void onStop() {
    super.onStop();
    if (!GDCU.DEVEL_BUILD) {
      FlurryAgent.onEndSession(this);
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getSupportMenuInflater();
    inflater.inflate(R.menu.activity_auth_menu, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    final Context context = AuthActivity.this;
    String title = null;
    switch (item.getItemId()) {
    case R.id.menu_auth_terms:
      title = context.getResources().getString(R.string.title_activity_webview_terms);
      Intent terms = new Intent(context, WebviewActivity.class);
      terms.putExtra("title", title);
      terms.putExtra("url", "file:///android_asset/terms.html");
      context.startActivity(terms);
      return true;
    case R.id.menu_auth_privacy:
      title = context.getResources()
          .getString(R.string.title_activity_webview_privacy_policy);
      Intent privacy = new Intent(context, WebviewActivity.class);
      privacy.putExtra("title", title);
      privacy.putExtra("url", "file:///android_asset/privacy.html");
      context.startActivity(privacy);
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == REQUEST_CODE_RECOVER_FROM_AUTH_ERROR) {
      handleAuthorizeResult(resultCode, data);
      return;
    } else if (requestCode == REQUEST_CODE_CHOOSE_ACCOUNT && resultCode == RESULT_OK) {
      String accEmail = data.getStringExtra(AccountManager.KEY_ACCOUNT_NAME);
      if (accEmail != null) {
        mEmail = accEmail;
        new GetTokenTask(this, mEmail, DriveApi.DRIVE_SCOPE,
            REQUEST_CODE_RECOVER_FROM_AUTH_ERROR).execute();
        descTextView.setVisibility(View.GONE);
        signInButton.setVisibility(View.GONE);
        signInTextView.setVisibility(View.VISIBLE);
        signInProgress.setVisibility(View.VISIBLE);
      }
      return;
    }
    super.onActivityResult(requestCode, resultCode, data);
  }

  /**
   * This method is a hook for background threads and async tasks that need to
   * launch a dialog. It does this by launching a runnable under the UI
   * thread.
   */
  public void showErrorDialog(final int code) {
    runOnUiThread(new Runnable() {
      @Override
      public void run() {
        Dialog d = GooglePlayServicesUtil.getErrorDialog(code, AuthActivity.this,
            REQUEST_CODE_RECOVER_FROM_PLAY_SERVICES_ERROR);
        d.show();
        // Reset the activity
        descTextView.setVisibility(View.VISIBLE);
        signInButton.setVisibility(View.VISIBLE);
        signInTextView.setVisibility(View.GONE);
        signInProgress.setVisibility(View.GONE);
      }
    });
  }

  public void passToken(final String token) {
    runOnUiThread(new Runnable() {
      @Override
      public void run() {
        final Activity context = AuthActivity.this;
        GDCU.getGDCU(context).setUserToken(token);
        log("Loaded User Token: " + token);
        Intent parentActivityIntent = new Intent(context, SettingsActivity.class);
        parentActivityIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
            | Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(parentActivityIntent);
        context.finish();
      }
    });
  }

  private void handleAuthorizeResult(int resultCode, Intent data) {
    if (data == null) {
      log("Unknown error, click the button again");
      return;
    }
    if (resultCode == RESULT_OK) {
      log("Retrying");
      new GetTokenTask(this, mEmail, DriveApi.DRIVE_SCOPE,
          REQUEST_CODE_RECOVER_FROM_AUTH_ERROR).execute();
      return;
    }
    if (resultCode == RESULT_CANCELED) {
      log("User rejected authorization.");
      descTextView.setVisibility(View.VISIBLE);
      signInButton.setVisibility(View.VISIBLE);
      signInTextView.setVisibility(View.GONE);
      signInProgress.setVisibility(View.GONE);
      return;
    }
    log("Unknown error, click the button again");
    descTextView.setVisibility(View.VISIBLE);
    signInButton.setVisibility(View.VISIBLE);
    signInTextView.setVisibility(View.GONE);
    signInProgress.setVisibility(View.GONE);
  }

  private void log(String msg) {
    Log.v("AuthActivity", msg);
  }

}
Java Source Code List
