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系统属性调用评估方法介绍1.前言2.PropertiesHelper.apk实现3.SettingsPropertiesCalculator实现

1.前言

本文档用来介绍《系统属性调用评估报告》中所使用的方法和技术。

2.PropertiesHelper.apk实现

界面效果如下图:

系统属性调用评估方法介绍1.前言2.PropertiesHelper.apk实现3.SettingsPropertiesCalculator实现

按下【Get Property】,将开始执行10000次获取Brightness属性的方法,执行完毕后将显示出来执行时间,单位是ms。

按下【Set Property】,将开始执行10000次设置Brightness属性的方法,执行完毕后将显示出来执行时间,单位也是ms。

这个APK实现起来非常简单,只将源码粘贴如下:

PropertiesHelperMainUI.java

package com.eyelike.ph;

import com.eyelike.propertyhelper.R;

import android.app.Activity;
import android.content.ContentResolver;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class PropertyHelperMainUI extends Activity{

    private TextView mGetPropTime;
    private TextView mSetPropTime;
    private Button mStartGetPropBtn;
    private Button mStartSetPropBtn;
    private Handler mHandler;
    private Handler mHandler2;
    WindowManager.LayoutParams params;
    int mGetPropResult = ;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_ui);
        mGetPropTime = (TextView) findViewById(R.id.get_prop_time_result_tv);
        mSetPropTime = (TextView) findViewById(R.id.set_prop_time_result_tv);
        mStartGetPropBtn = (Button) findViewById(R.id.start_get_prop_btn);
        mStartSetPropBtn = (Button) findViewById(R.id.start_set_prop_btn);
        mHandler = new MyHandler();
        mHandler2 = new MyHandler();
        mStartGetPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Toast.makeText(PropertyHelperMainUI.this,
                        "This will take a little long time.", Toast.LENGTH_SHORT).show();
                mStartGetPropBtn.setEnabled(false);
                //String prop = System.getProperty();
                //int prop = SystemProperties.getInt("def_kernel_about_phone");
                Thread mThread1 = new Thread(new Runnable() {
                    public void run() {
                        ContentResolver cr = getContentResolver();
                        int i = ;
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                mGetPropResult = Settings.System.getInt(cr, Settings.System.SCREEN_BRIGHTNESS);
                            } catch (SettingNotFoundException e) {

                            }
                            ++i;
                        }
                        long mGetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("time", "Time is:" + mGetTime);
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "Get");
                        mBundle.putInt("BRIGHTNESS", mGetPropResult);
                        mBundle.putLong("TIME", mGetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler.sendMessage(mMessage);
                    }
                });
                mThread1.start();
            }
        });
        mStartSetPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                Toast.makeText(PropertyHelperMainUI.this,
                        "This will take a little long time.", Toast.LENGTH_SHORT).show();
                mStartSetPropBtn.setEnabled(false);
                params = getWindow().getAttributes();
                params.screenBrightness = ;
                //String prop = System.getProperty();
                //int prop = SystemProperties.getInt("def_kernel_about_phone");
                Thread mThread2 = new Thread(new Runnable() {
                    public void run() {
                        int i = ;
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                getWindow().setAttributes(params);
                            } catch (Exception e) {

                            }
                            ++i;
                        }
                        long mSetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("time", "Time is:" + mSetTime); 
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "Set");
                        mBundle.putDouble("PARAMS", params.screenBrightness);
                        mBundle.putLong("TIME", mSetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler2.sendMessage(mMessage);
                    }
                });
                mThread2.start();
            }
        });
    }

    class MyHandler extends Handler {

        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            Bundle mBundle = (Bundle) msg.obj;
            String mType = mBundle.getString("TYPE");
            int mBrightness = mBundle.getInt("BRIGHTNESS");
            double mParams = mBundle.getDouble("PARAMS");
            long mTime = mBundle.getLong("TIME");
            if (("Get").equals(mType)) {
                mGetPropTime.setText("Value is: " + mTime + " Brightness is: " + mBrightness);
                mStartGetPropBtn.setEnabled(true);
            }
            if (("Set").equals(mType)) {
                mSetPropTime.setText("Value is: " + mTime + " Params is: " + mParams);
                mStartSetPropBtn.setEnabled(true);
//              ContentResolver cr = getContentResolver();
//              saveBrightness(cr, 5);
            }

        }

    }

    /** * 保存亮度设置状态 */
    public static void saveBrightness(ContentResolver resolver, int brightness) {
        Uri uri = android.provider.Settings.System.getUriFor("screen_brightness");
        android.provider.Settings.System.putInt(resolver, "screen_brightness", brightness);
        resolver.notifyChange(uri, null);
    }

}
           

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.eyelike.propertyhelper"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="19"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.eyelike.ph.PropertyHelperMainUI">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
    <uses-permission android:name="android.permission.GET_TASKS"/>
    <uses-permission android:name="android.permission.WRITE_SETTINGS" />

</manifest>
           

values/strings.xml

<resources>

    <string name="app_name">PropertyHelper</string>
    <string name="start_get_prop">Start get property</string>
    <string name="start_set_prop">Start set property</string>
    <string name="get_prop_time">Get Property Time</string>
    <string name="set_prop_time">Set property Time</string>
    <string name="warn_msg">Run  times, you need wait for a little long time.</string>

</resources>
           

layout/main_ui.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content" >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical" >

        <TextView
            android:id="@+id/get_prop_time_tv"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/get_prop_time" />

        <TextView
            android:id="@+id/get_prop_time_result_tv"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/start_get_prop_btn"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/start_get_prop" />

        <TextView
            android:id="@+id/set_prop_time_tv"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/set_prop_time" />

        <TextView
            android:id="@+id/set_prop_time_result_tv"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" />

        <Button
            android:id="@+id/start_set_prop_btn"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:text="@string/start_set_prop" />
    </LinearLayout>

</ScrollView>
           

3.SettingsPropertiesCalculator实现

这部分是通过系统源码环境进行实现的。由于个人对Settings比较熟悉,所以就将功能直接集成在Settings设置中了。其他人也可以直接实现一个类似于Note或者MusicePlayer这样的系统APK应用,主要代码都不需要太多改变。

界面效果如下图:

系统属性调用评估方法介绍1.前言2.PropertiesHelper.apk实现3.SettingsPropertiesCalculator实现

下面介绍一下改动的地方,也以源码形式粘贴出来。

packages/apps/Settings/Manifest.xml添加如下代码块:

<!-- add by eyelike at 2015-1-27 for PropertiesSettings -->
        <activity android:name="Settings$PropertiesCalculatorSettingsActivity"
                android:label="@string/properties_calculator_settings"
                android:taskAffinity=""
                android:excludeFromRecents="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="com.android.settings.SHORTCUT" />
            </intent-filter>
            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                android:value="com.android.settings.PropertiesCalculatorSettings" />
            <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                android:resource="@id/properties_calculator_settings" />
        </activity>
           

packages/apps/Settings/res/xml/settings_headers.xml添加如下代码块:

<!-- Add by eyelike at 2015-1-27 for PropertiesCalculator -->
    <header
        android:id="@+id/properties_calculator_settings"
        android:fragment="com.android.settings.PropertiesCalculatorSettings"
        android:icon="@drawable/ic_settings_about"
        android:title="@string/properties_calculator_settings" />
           

packages/apps/Settings/res/values/strings.xml添加如下代码块:

<!-- add by eyelike at 2015-1-27 for PropertiesCalculator -->
    <string name="properties_calculator_settings">PropertiesSettings</string>
    <string name="start_set_prop">Start set property</string>
    <string name="start_get_prop">Start get property</string>
    <string name="start_get_int_prop">Start getInt property</string>
    <string name="start_get_boolean_prop">Start getBoolean property</string>
    <string name="start_get_long_prop">Start getLong property</string>
    <string name="set_prop_time">Set property Time</string>
    <string name="get_prop_time">Get Property Time</string>
    <string name="get_int_prop_time">GetInt Property Time</string>
    <string name="get_boolean_prop_time">GetBoolean Property Time</string>
    <string name="get_long_prop_time">GetLong Property Time</string>
    <string name="warn_msg">Run  times, you need wait for a little long time.</string>
           

packages/apps/Settings/res/layout 新建布局文件properties_calculator_ui.xml:

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical" >
    <TextView
        android:id="@+id/set_prop_time_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/set_prop_time" />

    <TextView
        android:id="@+id/set_prop_time_result_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/start_set_prop_btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/start_set_prop" />

    <TextView
        android:id="@+id/get_prop_time_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/get_prop_time" />

    <TextView
        android:id="@+id/get_prop_time_result_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/start_get_prop_btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/start_get_prop" />

    <TextView
        android:id="@+id/get_int_prop_time_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/get_int_prop_time" />

    <TextView
        android:id="@+id/get_int_prop_time_result_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/start_get_int_prop_btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/start_get_int_prop" />

    <TextView
        android:id="@+id/get_boolean_prop_time_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/get_boolean_prop_time" />

    <TextView
        android:id="@+id/get_boolean_prop_time_result_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/start_get_boolean_prop_btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/start_get_boolean_prop" />

    <TextView
        android:id="@+id/get_long_prop_time_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/get_long_prop_time" />

    <TextView
        android:id="@+id/get_long_prop_time_result_tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/start_get_long_prop_btn"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/start_get_long_prop" />
        </LinearLayout>
    </ScrollView>
           

packages/apps/Settings/src/com/android/settings 新建核心代码类PropertiesCalculatorSettings.java:

/*
 * Copyright (C) 2006 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.app.Activity;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
import android.os.SystemProperties;
import android.preference.Preference;
import android.content.ContentResolver;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import android.view.LayoutInflater;
import android.view.ViewGroup;

public class PropertiesCalculatorSettings extends SettingsPreferenceFragment {
    private TextView mGetPropTime;
    private TextView mSetPropTime;
    private TextView mGetIntPropTime;
    private TextView mGetBooleanPropTime;
    private TextView mGetLongPropTime;
    private Button mStartGetPropBtn;
    private Button mStartSetPropBtn;
        private Button mStartGetIntPropBtn;
        private Button mStartGetBooleanPropBtn;
        private Button mStartGetLongPropBtn;
    private Handler mHandler;
    private Handler mHandler2;
    private Handler mHandler3;
    private Handler mHandler4;
    private Handler mHandler5;
        private View mView;

        @Override  
        public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState){  

                mView=inflater.inflate(R.layout.properties_calculator_ui, null, false);
        mGetPropTime = (TextView) mView.findViewById(R.id.get_prop_time_result_tv);
        mSetPropTime = (TextView) mView.findViewById(R.id.set_prop_time_result_tv);
        mGetIntPropTime = (TextView) mView.findViewById(R.id.get_int_prop_time_result_tv);
        mGetBooleanPropTime = (TextView) mView.findViewById(R.id.get_boolean_prop_time_result_tv);
        mGetLongPropTime = (TextView) mView.findViewById(R.id.get_long_prop_time_result_tv);
        mStartGetPropBtn = (Button) mView.findViewById(R.id.start_get_prop_btn);
        mStartSetPropBtn = (Button) mView.findViewById(R.id.start_set_prop_btn);
        mStartGetIntPropBtn = (Button) mView.findViewById(R.id.start_get_int_prop_btn);
        mStartGetBooleanPropBtn = (Button) mView.findViewById(R.id.start_get_boolean_prop_btn);
        mStartGetLongPropBtn = (Button) mView.findViewById(R.id.start_get_long_prop_btn);
                mHandler = new MyHandler();
        mHandler2 = new MyHandler();
        mHandler3 = new MyHandler();
        mHandler4 = new MyHandler();
        mHandler5 = new MyHandler();
        mStartGetPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mStartGetPropBtn.setEnabled(false);
                //String prop = System.getProperty();
                //int prop = SystemProperties.getInt("def_kernel_about_phone");
                Thread mThread1 = new Thread(new Runnable() {
                    public void run() {
                        ContentResolver cr = getContentResolver();
                        int i = ;
                                                String mSvn = "";
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                                                // -2---get(String)---
                                //int mGetPropResult = Settings.System.getInt(cr, Settings.System.SCREEN_BRIGHTNESS);
                                                                mSvn = SystemProperties.get("ro.def.software.svn");
                            } catch (Exception e) {

                            }
                            ++i;
                        }
                        long mGetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("time", "Time is:" + mGetTime);
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "Get");
                        mBundle.putLong("TIME", mGetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler.sendMessage(mMessage);
                    }
                });
                mThread1.start();
            }
        });
        mStartSetPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mStartSetPropBtn.setEnabled(false);
                //String prop = System.getProperty();
                //int prop = SystemProperties.getInt("def_kernel_about_phone");
                Thread mThread2 = new Thread(new Runnable() {
                    public void run() {
                        int i = ;
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                                             // -1---set(String)---
                                                             SystemProperties.set("persist.sys.headset_mode", "2");
                            } catch (Exception e) {

                            }
                            ++i;
                        }
                        long mSetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("ZHAOZHAO", "Time is:" + mSetTime);
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "Set");
                        mBundle.putLong("TIME", mSetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler2.sendMessage(mMessage);
                    }
                });
                mThread2.start();
            }
        });
        mStartGetIntPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mStartGetIntPropBtn.setEnabled(false);
                //String prop = System.getProperty();
                //int prop = SystemProperties.getInt("def_kernel_about_phone");
                Thread mThread3 = new Thread(new Runnable() {
                    public void run() {
                        int i = ;
                                                int mGuestMode = ;
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                                                // -3---getInt---
                                                                mGuestMode = SystemProperties.getInt("persist.security.guestmode", );
                            } catch (Exception e) {

                            }
                            ++i;
                        }
                        long mGetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("ZHAOZHAO", "Time is:" + mGetTime);
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "GetInt");
                        mBundle.putLong("TIME", mGetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler3.sendMessage(mMessage);
                    }
                });
                mThread3.start();
            }
        });
        mStartGetBooleanPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mStartGetBooleanPropBtn.setEnabled(false);
                Thread mThread4 = new Thread(new Runnable() {
                    public void run() {
                        ContentResolver cr = getContentResolver();
                        int i = ;
                                                boolean mResult = true;
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                                                // -4---getBoolean---
                                                                mResult = SystemProperties.getBoolean("ro.settings.seprate", true);
                            } catch (Exception e) {

                            }
                            ++i;
                        }
                        long mGetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("time", "Time is:" + mGetTime);
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "GetBoolean");
                        mBundle.putLong("TIME", mGetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler4.sendMessage(mMessage);
                    }
                });
                mThread4.start();
            }
        });
        mStartGetLongPropBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                mStartGetLongPropBtn.setEnabled(false);
                Thread mThread5 = new Thread(new Runnable() {
                    public void run() {
                        int i = ;
                                                long mEcmTimeOut = ;
                        long mStartTime = System.currentTimeMillis();
                        while (i < ) {
                            try {
                                // -5---getLong---
                                                                mEcmTimeOut = SystemProperties.getLong("ro.cdma.ecmexittimer", );
                            } catch (Exception e) {

                            }
                            ++i;
                        }
                        long mGetTime = System.currentTimeMillis() - mStartTime;
                        Log.e("time", "Time is:" + mGetTime);
                        Bundle mBundle = new Bundle();
                        mBundle.putString("TYPE", "GetLong");
                        mBundle.putLong("TIME", mGetTime);
                        Message mMessage = new Message();
                        mMessage.obj = mBundle;
                        mHandler5.sendMessage(mMessage);
                    }
                });
                mThread5.start();
            }
        });
            return mView;
        }

        @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        }

    class MyHandler extends Handler {

        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            Bundle mBundle = (Bundle) msg.obj;
            String mType = mBundle.getString("TYPE");
            long mTime = mBundle.getLong("TIME");
            if (("Get").equals(mType)) {
                mGetPropTime.setText("Value is: " + mTime);
                mStartGetPropBtn.setEnabled(true);
            }
            if (("Set").equals(mType)) {
                mSetPropTime.setText("Value is: " + mTime);
                mStartSetPropBtn.setEnabled(true);
            }
            if (("GetInt").equals(mType)) {
                mGetIntPropTime.setText("Value is: " + mTime);
                mStartGetIntPropBtn.setEnabled(true);
            }
            if (("GetBoolean").equals(mType)) {
                mGetBooleanPropTime.setText("Value is: " + mTime);
                mStartGetBooleanPropBtn.setEnabled(true);
            }
            if (("GetLong").equals(mType)) {
                mGetLongPropTime.setText("Value is: " + mTime);
                mStartGetLongPropBtn.setEnabled(true);
            }

        }

    }

}
           

packages/apps/Settings/src/com/settings/Settings.java 中进行代码添加:

//A.
    // Show only these settings for restricted users
    private int[] SETTINGS_FOR_RESTRICTED = {
            R.id.wireless_section,
            R.id.wifi_settings,
            R.id.bluetooth_settings,
            R.id.data_usage_settings,
            R.id.wireless_settings,
            R.id.device_section,
            R.id.sound_settings,
            R.id.display_settings,
            R.id.lock_settings, //added by XXX
            R.id.storage_settings,
            R.id.application_settings,
            R.id.battery_settings,
            R.id.personal_section,
            R.id.location_settings,
            R.id.security_settings,
            R.id.language_settings,
            R.id.user_settings,
            R.id.account_settings,
            R.id.account_add,
            R.id.system_section,
            R.id.date_time_settings,
            R.id.about_settings,
            R.id.accessibility_settings,
            R.id.print_settings,
            R.id.nfc_payment_settings,
            R.id.home_settings,
            R.id.audioprofle_settings,
            R.id.sound_settings,
            R.id.jrdsound_settings,//add by XXX
            R.id.power_settings,
            R.id.hotknot_settings
            ,R.id.properties_calculator_settings// add by eyelike at --
    };
//B.
    private static final String[] ENTRY_FRAGMENTS = {
        WirelessSettings.class.getName(),
        WifiSettings.class.getName(),
        AdvancedWifiSettings.class.getName(),
        BluetoothSettings.class.getName(),
        TetherSettings.class.getName(),
        WifiP2pSettings.class.getName(),
        VpnSettings.class.getName(),
        DateTimeSettings.class.getName(),
        LocalePicker.class.getName(),
        InputMethodAndLanguageSettings.class.getName(),
        SpellCheckersSettings.class.getName(),
        UserDictionaryList.class.getName(),
        UserDictionarySettings.class.getName(),
        SoundSettings.class.getName(),
        JrdSoundSettings.class.getName(),//add by XXX
        DisplaySettings.class.getName(),
        DeviceInfoSettings.class.getName(),
        ManageApplications.class.getName(),
        ProcessStatsUi.class.getName(),
        NotificationStation.class.getName(),
        LocationSettings.class.getName(),
        SecuritySettings.class.getName(),
        PrivacySettings.class.getName(),
        DeviceAdminSettings.class.getName(),
        AccessibilitySettings.class.getName(),
        ToggleCaptioningPreferenceFragment.class.getName(),
        TextToSpeechSettings.class.getName(),
        Memory.class.getName(),
        DevelopmentSettings.class.getName(),
        UsbSettings.class.getName(),
        AndroidBeam.class.getName(),
        WifiDisplaySettings.class.getName(),
        PowerUsageSummary.class.getName(),
        AccountSyncSettings.class.getName(),
        CryptKeeperSettings.class.getName(),
        DataUsageSummary.class.getName(),
        DreamSettings.class.getName(),
        UserSettings.class.getName(),
        NotificationAccessSettings.class.getName(),
        ManageAccountsSettings.class.getName(),
        PrintSettingsFragment.class.getName(),
        PrintJobSettingsFragment.class.getName(),
        TrustedCredentialsSettings.class.getName(),
        PaymentSettings.class.getName(),
        KeyboardLayoutPickerFragment.class.getName(),
        //M@:
        SimManagement.class.getName(),
        SimInfoEditor.class.getName(),
        //Class name same as Activity name so use full name here
        com.mediatek.gemini.SimDataRoamingSettings.class.getName(),
        AudioProfileSettings.class.getName(),
        Editprofile.class.getName(),
        HDMISettings.class.getName(),
        SelectSimCardFragment.class.getName(),
        UsbSharingChoose.class.getName(),
        UsbSharingInfo.class.getName(),
        TetherWifiSettings.class.getName(),
        DrmSettings.class.getName(),
        WifiGprsSelector.class.getName(),
        BeamShareHistory.class.getName(),
        HotKnotSettings.class.getName(),
        MasterClear.class.getName(),//add by XXX
        com.mediatek.gemini.SimRoamingSettings.class.getName()//add by XXX
        ,PropertiesCalculatorSettings.class.getName()//add by eyelike at --
        //
    };
//C.
    // add by eyelike at --
    public static class PropertiesSettingsActivity extends Settings { /* empty */ }
           

代码添加在A.B.C.三处,分别用add by eyelike注释出来了。

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