Upgrade Bluetooth pairing dialogs for ICS.

* Change Bluetooth pairing dialogs to match ICS wireframes.
* Default to numeric soft keyboard for PIN entry, and add checkbox
  to allow user to switch to alphanumeric keyboard if necessary.
* Move all Bluetooth advanced settings into action bar menu.
* Toggle visibility by touching "My device" entry in devices list.

Change-Id: Ic2377eb4364f41d215181cb1e3933997c9db9106

src/com/android/settings/bluetooth/BluetoothVisibilityTimeoutFragment.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2011 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.bluetooth;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.bluetooth.BluetoothAdapter;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.InputFilter;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+
+import com.android.internal.app.AlertController;
+import com.android.settings.R;
+
+/**
+ * Dialog fragment for setting the discoverability timeout.
+ */
+final class BluetoothVisibilityTimeoutFragment extends DialogFragment
+        implements DialogInterface.OnClickListener {
+
+    private final BluetoothDiscoverableEnabler mDiscoverableEnabler;
+
+    public BluetoothVisibilityTimeoutFragment(BluetoothDiscoverableEnabler enabler) {
+        mDiscoverableEnabler = enabler;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        return new AlertDialog.Builder(getActivity())
+                .setIcon(android.R.drawable.ic_dialog_info)
+                .setTitle(R.string.bluetooth_visibility_timeout)
+                .setSingleChoiceItems(R.array.bluetooth_visibility_timeout_entries,
+                        mDiscoverableEnabler.getDiscoverableTimeoutIndex(), this)
+                .setNegativeButton(android.R.string.cancel, null)
+                .create();
+    }
+
+    public void onClick(DialogInterface dialog, int which) {
+        mDiscoverableEnabler.setDiscoverableTimeout(which);
+        dismiss();
+    }
+}