diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java
index 374e46323..6f5f5d816 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/SetPassphraseDialogFragment.java
@@ -17,8 +17,8 @@
package org.sufficientlysecure.keychain.ui.dialog;
+
import android.app.Activity;
-import android.support.v7.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
@@ -27,6 +27,7 @@ import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.app.DialogFragment;
+import android.support.v7.app.AlertDialog;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
@@ -41,7 +42,6 @@ import android.widget.TextView.OnEditorActionListener;
import android.widget.Toast;
import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.ui.widget.PassphraseEditText;
import org.sufficientlysecure.keychain.util.Passphrase;
import timber.log.Timber;
@@ -55,7 +55,7 @@ public class SetPassphraseDialogFragment extends DialogFragment implements OnEdi
public static final String MESSAGE_NEW_PASSPHRASE = "new_passphrase";
private Messenger mMessenger;
- private PassphraseEditText mPassphraseEditText;
+ private EditText mPassphraseEditText;
private EditText mPassphraseAgainEditText;
private CheckBox mNoPassphraseCheckBox;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PassphraseEditText.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PassphraseEditText.java
deleted file mode 100644
index e371c5464..000000000
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/PassphraseEditText.java
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2017 Schürmann & Breitmoser GbR
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see
- * This View is designed to indicate how secure a user-entered password is in a visual way to - * relay to the user if they need to make it stronger. The strength of the password can be set - * at creation (or after) which will decide whether their password is strong enough. - *
- * - *- * The password strength is decided by an index of 20. The minimum score needed to pass is 10 - * which means the String has met the conditions imposed by the strength test, but can be improved. - * If the password scores 10-19 it is considered weak, and only if it scores 20 will it be - * considered strong. - *
- */ -public class PasswordStrengthView extends View { - - protected int mMinWidth; - protected int mMinHeight; - - protected Paint mIndicatorPaint; - protected Paint mGuidePaint; - - protected int mIndicatorHeight; - protected int mIndicatorWidth; - protected int mCurrentScore; - - protected int mColorFail; - protected int mColorWeak; - protected int mColorStrong; - - protected boolean mShowGuides = true; - - /** - * Used to define that the indicator should only be looking - * for a weak password. The bare minimum is used here to let - * the user continue. - */ - public static final int STRENGTH_WEAK = 0; - - /** - * A fairly strict rule for generating a password. It encourages a password that is - * less easy to crack. - */ - public static final int STRENGTH_MEDIUM = 1; - - /** - * A strong algorithm that encourages very strong passwords that should be fairly long, with - * non-alphanumeric, numbers, and upper case. - */ - public static final int STRENGTH_STRONG = 2; - - private int mStrengthRequirement = -1; - protected String mPassword; - - public PasswordStrengthView(Context context, AttributeSet attrs) { - super(context, attrs); - - int COLOR_FAIL = getResources().getColor(R.color.password_strength_low); - int COLOR_WEAK = getResources().getColor(R.color.password_strength_medium); - int COLOR_STRONG = getResources().getColor(R.color.password_strength_high); - - TypedArray style = context.getTheme().obtainStyledAttributes( - attrs, - R.styleable.PasswordStrengthView, - 0, 0); - - mStrengthRequirement = style.getInteger(R.styleable.PasswordStrengthView_strength, - STRENGTH_MEDIUM); - mShowGuides = style.getBoolean(R.styleable.PasswordStrengthView_showGuides, true); - mColorFail = style.getColor(R.styleable.PasswordStrengthView_color_fail, COLOR_FAIL); - mColorWeak = style.getColor(R.styleable.PasswordStrengthView_color_weak, COLOR_WEAK); - mColorStrong = style.getColor(R.styleable.PasswordStrengthView_color_strong, - COLOR_STRONG); - - // Create and style the paint used for drawing the guide on the indicator - mGuidePaint = new Paint(Paint.ANTI_ALIAS_FLAG); - mGuidePaint.setStyle(Paint.Style.FILL_AND_STROKE); - mGuidePaint.setColor(Color.BLACK); - // Create and style paint for indicator - mIndicatorPaint = new Paint(Paint.ANTI_ALIAS_FLAG); - mIndicatorPaint.setStyle(Paint.Style.FILL); - - style.recycle(); - - } - - /** - * This view can determine if the password entered by the user is acceptable for - * use by your use case. This is based on the strength requirement you have set. - * - * @return True if requirement has been met - */ - public boolean isStrengthRequirementMet() { - return (mCurrentScore >= 10); - } - - /** - * Change the strength requirement of the password entered by the user. This will also - * re-check the password already entered against these new requirements. - * - * @param requiredStrength Use the public constants of this class to set - */ - public void setStrengthRequirement(int requiredStrength) { - if (requiredStrength >= 0 && requiredStrength <= 2) { - mStrengthRequirement = requiredStrength; - if (mPassword != null && mPassword.length() > 0) { - generatePasswordScore(); - // Update view with new score - invalidate(); - requestLayout(); - } - } else { - throw new IndexOutOfBoundsException("Input out of expected range"); - } - } - - /** - * Update the password string to check strength of - * - * @param passwordString String representation of user-input - */ - public void setPassword(String passwordString) { - if (passwordString != null && passwordString.length() > 0) { - mPassword = passwordString; - generatePasswordScore(); - } else { - mPassword = ""; - mCurrentScore = 0; - } - - // Update view with new score - invalidate(); - requestLayout(); - } - - /** - * Private convenience method for adding to the password score - * - * @param score Amount to be added to current score - */ - protected void addToPasswordScore(int score) { - int newScore = mCurrentScore + score; - - // Limit max score - if (newScore > 20) { - mCurrentScore = 20; - } else { - mCurrentScore = newScore; - } - } - - /** - * Call this to determine the current strength requirement set on the algorithm - * - * @return Int representation of the current strength set for the indicator - */ - public int getStrengthRequirement() { - return mStrengthRequirement; - } - - /** - * Generate a score based on the password. The password will already need to be stored - * as a class member before running this. - */ - protected void generatePasswordScore() { - mCurrentScore = 0; - int upperCase = getUppercaseCount(mPassword); - int nonAlpha = getNonAlphanumericCount(mPassword); - int numbers = getNumberCount(mPassword); - switch (mStrengthRequirement) { - case STRENGTH_WEAK: - addToPasswordScore(mPassword.length() * 2); - addToPasswordScore(upperCase * 2); - addToPasswordScore(nonAlpha * 2); - addToPasswordScore(numbers * 2); - break; - - case STRENGTH_MEDIUM: - addToPasswordScore(mPassword.length()); - addToPasswordScore(upperCase); - addToPasswordScore(nonAlpha * 2); - addToPasswordScore(numbers); - break; - - case STRENGTH_STRONG: - addToPasswordScore(mPassword.length() / 2); - // Cut the score in half to make this a very high requirement - addToPasswordScore(upperCase); - addToPasswordScore(nonAlpha); - addToPasswordScore(numbers); - break; - } - } - - @Override - protected void onSizeChanged(int w, int h, int oldW, int oldH) { - super.onSizeChanged(w, h, oldW, oldH); - int paddingX = getPaddingLeft(); - int paddingY = getPaddingTop(); - mIndicatorHeight = h - paddingY; - mIndicatorWidth = w - paddingX; - } - - /** - * The standard parts of the onMeasure needed to create the password strength - * indicator. Subclasses should call super.onMeasure, but also need to set - * the minimum height and width in the constructor. - * - * @param widthMeasureSpec The measurement given by the system - * @param heightMeasureSpec The measurement given by the system - */ - @Override - protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { - // Set minimum space for the view to do it's thing - int minW = getPaddingLeft() + getPaddingRight() + mMinWidth; - int w = resolveSizeAndState(minW, widthMeasureSpec, 1); - // And give it enough height so it's visible - int minH = mMinHeight + getPaddingBottom() + getPaddingTop(); - int h = resolveSizeAndState(minH, heightMeasureSpec, 0); - // Feed these back into UIKit - setMeasuredDimension(w, h); - } - - /** - * Set the colour of the indicator {@code Paint} to one that is appropriate - * for the strength of the password. - */ - protected void generateIndicatorColor() { - int color = mColorFail; - if (mCurrentScore >= 18) { - color = mColorStrong; - } else if (mCurrentScore >= 10) { - color = mColorWeak; - } - mIndicatorPaint.setColor(color); - } - - /** - * Quick method to determine how many of the characters in a given string are upper case - * - * @param stringToCheck The string to examine - * @return Number of upper case characters - */ - protected int getUppercaseCount(String stringToCheck) { - int score = 0; - int loops = stringToCheck.length() - 1; - for (int i = 0; i <= loops; i++) { - if (Character.isUpperCase(stringToCheck.charAt(i))) { - score++; - } - } - return score; - } - - /** - * A convenience method to determine how many characters in the given String aren't - * letters or numbers. - * - * @param stringToCheck - * @return Number of characters that aren't numbers or letters - */ - protected int getNonAlphanumericCount(String stringToCheck) { - int score = 0; - int loops = stringToCheck.length() - 1; - for (int i = 0; i <= loops; i++) { - if (!Character.isLetter(stringToCheck.charAt(i)) && - !Character.isDigit(stringToCheck.charAt(i))) { - score++; - } - } - return score; - } - - /** - * A convenience method for returning the count of numbers in a given String. - * - * @param stringToCheck - * @return The numbers of digits in the String - */ - protected int getNumberCount(String stringToCheck) { - int score = 0; - int loops = stringToCheck.length() - 1; - for (int i = 0; i <= loops; i++) { - if (Character.isDigit(stringToCheck.charAt(i))) { - score++; - } - } - return score; - } - - /** - * Set the guides to show on the view.