From ba534408011905e657a143eeae9a4c0fa412e0ec Mon Sep 17 00:00:00 2001
From: Martijn Coenen <maco@google.com>
Date: Thu, 21 Jul 2011 09:33:40 +0200
Subject: [PATCH] Added setting for zero-click sharing over NFC.

Change-Id: I3848c4815d65d3a8b9b5e579c6a353dde6901ee4
---
 res/layout/zeroclick.xml                      | 69 +++++++++++++++
 res/values/strings.xml                        |  6 ++
 res/xml/wireless_settings.xml                 |  8 ++
 .../android/settings/WirelessSettings.java    |  6 +-
 src/com/android/settings/nfc/NfcEnabler.java  |  7 +-
 src/com/android/settings/nfc/ZeroClick.java   | 83 +++++++++++++++++++
 6 files changed, 177 insertions(+), 2 deletions(-)
 create mode 100644 res/layout/zeroclick.xml
 create mode 100644 src/com/android/settings/nfc/ZeroClick.java

diff --git a/res/layout/zeroclick.xml b/res/layout/zeroclick.xml
new file mode 100644
index 00000000000..99558f3397b
--- /dev/null
+++ b/res/layout/zeroclick.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:paddingLeft="6dip"
+    android:paddingRight="6dip"
+    android:layout_width="match_parent" android:layout_height="wrap_content"
+    android:scrollbars="vertical" >
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="true">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
+            <View
+                android:paddingTop="53dip"
+                android:layout_width="match_parent"
+                android:layout_height="1dip"
+                android:background="#ff404040"
+                />
+
+            <CheckBox android:id="@+id/zeroclick_checkbox"
+                android:layout_width="match_parent"
+                android:layout_height="64dip"
+                android:gravity="center_vertical"
+                android:text="@string/zeroclick_label"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:textColor="?android:attr/textColorSecondary"
+            />
+
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="1dip"
+                android:background="#ff404040"
+                />
+
+            <TextView android:id="@+id/zeroclick_explained"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dip"
+                android:gravity="top"
+                android:text="@string/zeroclick_explained"
+            />
+
+
+        </LinearLayout>
+
+    </ScrollView>
+
+</LinearLayout>
+
diff --git a/res/values/strings.xml b/res/values/strings.xml
index b916a529c33..78a8069aec9 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1087,6 +1087,12 @@
     <!-- NFC settings -->
     <!-- Used in the 1st-level settings screen to turn on NFC -->
     <string name="nfc_quick_toggle_title">NFC</string>
+    <!-- Used to enter the Zero-click sharing preferences screen -->
+    <string name="zeroclick_settings_title">Zero-click sharing</string>
+    <string name="zeroclick_settings_summary"></string>
+    <!-- Used in the zero-click sharing preferences screen -->
+    <string name="zeroclick_label">Zero-click sharing</string>
+    <string name="zeroclick_explained">Lorem ipsum dolor sit amet.</string>
 
     <!-- Wi-Fi Settings --> <skip />
     <!-- Used in the 1st-level settings screen to turn on Wi-Fi -->
diff --git a/res/xml/wireless_settings.xml b/res/xml/wireless_settings.xml
index 605ddb994eb..c0e4a5aab88 100644
--- a/res/xml/wireless_settings.xml
+++ b/res/xml/wireless_settings.xml
@@ -38,6 +38,14 @@
         android:title="@string/nfc_quick_toggle_title"
         android:persistent="false" />
 
+    <PreferenceScreen
+        android:fragment="com.android.settings.nfc.ZeroClick"
+        android:key="zeroclick_settings"
+        android:title="@string/zeroclick_settings_title"
+        android:summary="@string/zeroclick_settings_summary" >
+    </PreferenceScreen>
+
+
     <PreferenceScreen
         android:key="mobile_network_settings"
         android:title="@string/network_settings_title"
diff --git a/src/com/android/settings/WirelessSettings.java b/src/com/android/settings/WirelessSettings.java
index 5560a03dab5..c07388e1bea 100644
--- a/src/com/android/settings/WirelessSettings.java
+++ b/src/com/android/settings/WirelessSettings.java
@@ -37,6 +37,7 @@ public class WirelessSettings extends SettingsPreferenceFragment {
 
     private static final String KEY_TOGGLE_AIRPLANE = "toggle_airplane";
     private static final String KEY_TOGGLE_NFC = "toggle_nfc";
+    private static final String KEY_ZEROCLICK_SETTINGS = "zeroclick_settings";
     private static final String KEY_VPN_SETTINGS = "vpn_settings";
     private static final String KEY_TETHER_SETTINGS = "tether_settings";
     private static final String KEY_PROXY_SETTINGS = "proxy_settings";
@@ -87,9 +88,11 @@ public class WirelessSettings extends SettingsPreferenceFragment {
         final Activity activity = getActivity();
         mAirplaneModePreference = (CheckBoxPreference) findPreference(KEY_TOGGLE_AIRPLANE);
         CheckBoxPreference nfc = (CheckBoxPreference) findPreference(KEY_TOGGLE_NFC);
+        PreferenceScreen zeroclick = (PreferenceScreen)
+                findPreference(KEY_ZEROCLICK_SETTINGS);
 
         mAirplaneModeEnabler = new AirplaneModeEnabler(activity, mAirplaneModePreference);
-        mNfcEnabler = new NfcEnabler(activity, nfc);
+        mNfcEnabler = new NfcEnabler(activity, nfc, zeroclick);
 
         String toggleable = Settings.System.getString(activity.getContentResolver(),
                 Settings.System.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
@@ -107,6 +110,7 @@ public class WirelessSettings extends SettingsPreferenceFragment {
         // Remove NFC if its not available
         if (NfcAdapter.getDefaultAdapter(activity) == null) {
             getPreferenceScreen().removePreference(nfc);
+            getPreferenceScreen().removePreference(zeroclick);
         }
 
         // Remove Mobile Network Settings if it's a wifi-only device.
diff --git a/src/com/android/settings/nfc/NfcEnabler.java b/src/com/android/settings/nfc/NfcEnabler.java
index dba1329a410..99cf8f0c621 100644
--- a/src/com/android/settings/nfc/NfcEnabler.java
+++ b/src/com/android/settings/nfc/NfcEnabler.java
@@ -24,6 +24,7 @@ import android.nfc.NfcAdapter;
 import android.os.Handler;
 import android.preference.CheckBoxPreference;
 import android.preference.Preference;
+import android.preference.PreferenceScreen;
 import android.util.Log;
 
 /**
@@ -36,6 +37,7 @@ public class NfcEnabler implements Preference.OnPreferenceChangeListener {
 
     private final Context mContext;
     private final CheckBoxPreference mCheckbox;
+    private final PreferenceScreen mZeroClick;
     private final NfcAdapter mNfcAdapter;
     private final IntentFilter mIntentFilter;
     private final Handler mHandler = new Handler();
@@ -54,9 +56,11 @@ public class NfcEnabler implements Preference.OnPreferenceChangeListener {
 
     private boolean mNfcState;
 
-    public NfcEnabler(Context context, CheckBoxPreference checkBoxPreference) {
+    public NfcEnabler(Context context, CheckBoxPreference checkBoxPreference,
+            PreferenceScreen zeroclick) {
         mContext = context;
         mCheckbox = checkBoxPreference;
+        mZeroClick = zeroclick;
         mNfcAdapter = NfcAdapter.getDefaultAdapter(context);
 
         if (mNfcAdapter == null) {
@@ -127,5 +131,6 @@ public class NfcEnabler implements Preference.OnPreferenceChangeListener {
     private void handleNfcStateChanged(boolean newState) {
         mCheckbox.setChecked(newState);
         mCheckbox.setEnabled(true);
+        mZeroClick.setEnabled(newState);
     }
 }
diff --git a/src/com/android/settings/nfc/ZeroClick.java b/src/com/android/settings/nfc/ZeroClick.java
new file mode 100644
index 00000000000..11c35dbd227
--- /dev/null
+++ b/src/com/android/settings/nfc/ZeroClick.java
@@ -0,0 +1,83 @@
+/*
+ * 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.nfc;
+
+import android.app.Fragment;
+import android.content.ContentResolver;
+import android.nfc.NfcAdapter;
+import android.os.Bundle;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.provider.Settings;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.EditText;
+import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.util.Log;
+import com.android.settings.R;
+
+public class ZeroClick extends Fragment
+        implements CompoundButton.OnCheckedChangeListener {
+    private View mView;
+    private CheckBox mCheckbox;
+    private NfcAdapter mNfcAdapter;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        mView = inflater.inflate(R.layout.zeroclick, container, false);
+        initView(mView);
+        return mView;
+    }
+
+    private void initView(View view) {
+        mCheckbox = (CheckBox) mView.findViewById(R.id.zeroclick_checkbox);
+        mCheckbox.setOnCheckedChangeListener(this);
+        mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
+        mCheckbox.setChecked(mNfcAdapter.zeroClickEnabled());
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean value) {
+        Log.e("AAP", "onCheckedChanged!");
+        final boolean desiredState = (Boolean) value;
+        boolean success = false;
+        mCheckbox.setEnabled(false);
+        if (desiredState) {
+            success = mNfcAdapter.enableZeroClick();
+        } else {
+            success = mNfcAdapter.disableZeroClick();
+        }
+        if (success) {
+            mCheckbox.setChecked(desiredState);
+        }
+        mCheckbox.setEnabled(true);
+    }
+}