Initial Contribution

src/com/android/settings/EditPinPreference.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 com.android.settings;
+
+import android.content.Context;
+import android.preference.EditTextPreference;
+import android.text.method.DigitsKeyListener;
+import android.text.method.PasswordTransformationMethod;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.EditText;
+
+import java.util.Map;
+
+/**
+ * TODO: Add a soft dialpad for PIN entry.
+ */
+class EditPinPreference extends EditTextPreference {
+
+    private boolean mDialogOpen;
+    
+    interface OnPinEnteredListener {
+        void onPinEntered(EditPinPreference preference, boolean positiveResult);
+    }
+    
+    private OnPinEnteredListener mPinListener;
+    
+    public EditPinPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public EditPinPreference(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+    
+    public void setOnPinEnteredListener(OnPinEnteredListener listener) {
+        mPinListener = listener;
+    }
+    
+    @Override
+    protected void onBindDialogView(View view) {
+        super.onBindDialogView(view);
+        
+        final EditText editText = (EditText) view.findViewById(android.R.id.edit);
+        
+        if (editText != null) {
+            editText.setSingleLine(true);
+            editText.setTransformationMethod(PasswordTransformationMethod.getInstance());
+            editText.setKeyListener(DigitsKeyListener.getInstance());
+        }
+    }
+
+    public boolean isDialogOpen() {
+        return mDialogOpen;
+    }
+    
+    @Override
+    protected void onDialogClosed(boolean positiveResult) {
+        super.onDialogClosed(positiveResult);
+        mDialogOpen = false;
+        if (mPinListener != null) {
+            mPinListener.onPinEntered(this, positiveResult);
+        }
+    }
+    
+    public void showPinDialog() {
+        mDialogOpen = true;
+        showDialog(null);
+    }
+}