Android Open Source - android-rackspacecloud Create Password Activity

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License

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

package com.rackspacecloud.android;
//w  w  w.ja  v a 2s  .  c  o  m
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Toast;

public class CreatePasswordActivity extends GaActivity {

  private PasswordManager pwManager;
  private EditText passwordText;
  private EditText confirmText;
  private Button submitPassword;
  private CheckBox passwordCheckBox;
  private boolean isChecked;

  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.password);
    pwManager = new PasswordManager(getSharedPreferences(
        Preferences.SHARED_PREFERENCES_NAME, MODE_PRIVATE));
    restoreState(savedInstanceState);
  }

  private void restoreState(Bundle state) {
    if (state != null && state.containsKey("isChecked")) {
      isChecked = state.getBoolean("isChecked");
    }
    else{
      isChecked = hadPassword();
    }
    setUpWidgets();

  }

  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putBoolean("isChecked", passwordCheckBox.isChecked());
  }

  private void setUpWidgets() {
    setUpCheckBox();
    passwordText = (EditText) findViewById(R.id.password_edittext);
    confirmText = (EditText) findViewById(R.id.confirm_edittext);
    if(!passwordCheckBox.isChecked()){
      passwordText.setEnabled(false);
      confirmText.setEnabled(false);
    }
    setUpSubmit();
  }

  private void setUpCheckBox() {
    passwordCheckBox = (CheckBox) findViewById(R.id.password_checkbox);
    passwordCheckBox.setChecked(isChecked);
    passwordCheckBox.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        if (((CheckBox) v).isChecked()) {
          passwordText.setEnabled(true);
          confirmText.setEnabled(true);
        } else {
          passwordText.setEnabled(false);
          confirmText.setEnabled(false);
        }
      }
    });
  }


  /*
   * sets up submit button to deal with each
   * case of starting having/not having a password
   * and ending with having/not having a password
   */
  private void setUpSubmit() {
    submitPassword = (Button) findViewById(R.id.create_password_button);
    submitPassword.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        // didn't have password before and still doesn't
        if (!hadPassword() && !willHavePassword()) {
          finish();
        }
        // didnt have password before and does now
        else if (!hadPassword() && willHavePassword()) {
          if (passwordsMatch()) {
            if(validInputs()){
              pwManager.changePassword(passwordText.getText().toString());
              showToast("Password has been enabled.");
              finish();
            }
            else{
              showAlert("Missing Field",
              "Password and confirmation are required.");
            }
          } else {
            showAlert("Passwords must match",
            "Password and confirmation did not match. Try again.");
          }
        } else if (hadPassword()) {
          showDialog(R.id.create_password_button);

        }
      }
    });
  }

  /*
   * handles the case where the was a password before
   * the user will need to enter the old password
   * in order to make any changes
   */
  @Override
  protected Dialog onCreateDialog(int id) {
    switch (id) {
    case R.id.create_password_button:    
      final EditText input = new EditText(this);
      input.setInputType(android.text.InputType.TYPE_CLASS_TEXT
          | android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD);
      input.setText("");
      input.setMaxWidth(10);
      return new AlertDialog.Builder(CreatePasswordActivity.this)
      .setIcon(R.drawable.alert_dialog_icon)
      .setView(input)
      .setTitle("Verification Required")
      .setMessage("Enter your old password: ")
      .setPositiveButton("Submit",
          new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog,
            int whichButton) {
          // had password before and doesnt now
          if (!willHavePassword()) {
            if (pwManager.verifyEnteredPassword(input.getText().toString())) {
              pwManager.turnOffPassword();
              showToast("Password has been disabled.");
              finish();
            } else {
              showAlert("Problem with password",
              "The entered password was incorrect");
              passwordCheckBox.setChecked(true);
              passwordText.setEnabled(true);
              confirmText.setEnabled(true);
            }
          }
          // had a password and still has one
          else {
            if (pwManager.verifyEnteredPassword(input.getText().toString())) {
              if (passwordsMatch()) {
                if(validInputs()){
                  pwManager.changePassword(passwordText.getText().toString());
                  showToast("Password has been changed.");
                  finish();
                }
                else{
                  showAlert("Missing Field",
                  "Password and confirmation are required.");
                }
              } else {
                showAlert("Passwords must match",
                "Password and confirmation did not match. Try again.");
              }

            } else {
              showAlert("Problem with password",
              "The entered password was incorrect");
              passwordCheckBox.setChecked(true);
              passwordText.setEnabled(true);
              confirmText.setEnabled(true);
            }
          }
        }
      })
      .setNegativeButton("Cancel",
          new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog,
            int whichButton) {
          removeDialog(R.id.create_password_button);
          //passwordCheckBox.setChecked(true);
        }
      }).create();
    }
    return null;
  }


  /*
   * must ensure that the passwords are the same before you can submit
   */
  private boolean passwordsMatch() {
    return passwordText.getText().toString()
    .equals(confirmText.getText().toString());
  }

  private boolean willHavePassword() {
    return passwordCheckBox.isChecked();
  }

  /*
   * returns true if application required a 
   * password before current edit
   */
  private boolean hadPassword(){
    return pwManager.hasPassword();
  }

  /*
   * checks that when the user submits
   * the password fields are not empty
   */
  private boolean validInputs(){
    return !passwordText.getText().toString().equals("") 
    || !confirmText.getText().toString().equals("");
  }

  private void showToast(String message) {
    Context context = getApplicationContext();
    int duration = Toast.LENGTH_SHORT;
    Toast toast = Toast.makeText(context, message, duration);
    toast.show();
  }

  private void showAlert(String title, String message) {
    AlertDialog alert = new AlertDialog.Builder(this).create();
    alert.setTitle(title);
    alert.setMessage(message);
    alert.setButton("OK", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int which) {
        return;
      }
    });
    alert.show();
  }

}
Java Source Code List
