Monkey工具进阶-Monkey Script

前面的内容请参见Android应用自动化测试-提纲
上篇主要是Monkey工具的基本用法,这一篇我们来看一个Monkey工具的进阶用法,monkey的脚本功能
前面我们提到,monkey的参数中有一个官方介绍文档中没有列出的参数,-f参数。这个参数其实对应的就是monkey的脚本功能。该功能可以让Monkey按照脚本编写的动作次序来执行指定的操作,而不是像其他monkey命令那样,只是随机的触发相应的事件。可以说,通过脚本功能,monkey已经具备了作为自动化测试工具来完成一些固定逻辑的功能测试的能力。

Monkey脚本功能命令:

adb shell monkey -f <script> count

关键是Monkey的script我们怎么编写?这需要我们参照Monkey源码中的相关代码来看。
Monkey的Script有一个固定编码格式要求,文件头如:

# Start of Script  
type= user  
count= 1  
speed= 1.0  
start data >>

一般是固定格式。

script中支持的一些主要命令,通过源码也可以看到命令的参数使用

LaunchActivity - 启动指定的Activity,两个参数,packagename和Activityname

                String pkg_name = args[0];
                String cl_name = args[1];

DispatchPointer - 点按事件,12个参数,主要需要指定action,x,y

                long downTime = Long.parseLong(args[0]);
                long eventTime = Long.parseLong(args[1]);
                int action = Integer.parseInt(args[2]);
                float x = Float.parseFloat(args[3]);
                float y = Float.parseFloat(args[4]);
                float pressure = Float.parseFloat(args[5]);
                float size = Float.parseFloat(args[6]);
                int metaState = Integer.parseInt(args[7]);
                float xPrecision = Float.parseFloat(args[8]);
                float yPrecision = Float.parseFloat(args[9]);
                int device = Integer.parseInt(args[10]);
                int edgeFlags = Integer.parseInt(args[11]);

DispatchPress - 根据指定的KEYCODE发送按键事件

                    String key_name = args[0];

Tap - 根据给定的左边点按屏幕,3个参数,分别是x,y和点击的时长

                    float x = Float.parseFloat(args[0]);
                    float y = Float.parseFloat(args[1]);
                    long tapDuration = 0;

RotateScreen - 旋转屏幕,2个参数,第一个是旋转角度,0-3分别对应角度0,90,180,270;第二个参数是是否保留旋转结果

                    int rotationDegree = Integer.parseInt(args[0]);
                    int persist = Integer.parseInt(args[1]);

Drag - 拖拽操作,5个参数分别是起始位置、结束位置和拖拽动作的步长

                    float xStart = Float.parseFloat(args[0]);
                    float yStart = Float.parseFloat(args[1]);
                    float xEnd = Float.parseFloat(args[2]);
                    float yEnd = Float.parseFloat(args[3]);
                    int stepCount = Integer.parseInt(args[4]);

UserWait - 等待命令。1个时长参数,单位毫秒

比如一个操作计算器计算的操作脚本:

# Start of Script  
type= user  
count= 1  
speed= 1.0  
start data >>
LaunchActivity(com.android.calculator2, com.android.calculator2.Calculator)

DispatchPress(KEYCODE_3)  
UserWait(200)
DispatchPress(KEYCODE_2)  
UserWait(200)
DispatchPress(KEYCODE_PLUS)  
UserWait(200)
DispatchPress(KEYCODE_9)  
UserWait(200)
DispatchPress(KEYCODE_2)  
UserWait(200)
DispatchPress(KEYCODE_EQUALS)  
UserWait(200)

脚本保存为一般文本格式,作为参数使用-f参数执行即可。

附上Monkey中脚本功能的源码(MonkeySourceScript.java)

/*
 * 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.commands.monkey;

import android.content.ComponentName;
import android.os.SystemClock;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.Surface;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.NoSuchElementException;
import java.util.Random;

/**
 * monkey event queue. It takes a script to produce events sample script format:
 *
 * <pre>
 * type= raw events
 * count= 10
 * speed= 1.0
 * start data >>
 * captureDispatchPointer(5109520,5109520,0,230.75429,458.1814,0.20784314,0.06666667,0,0.0,0.0,65539,0)
 * captureDispatchKey(5113146,5113146,0,20,0,0,0,0)
 * captureDispatchFlip(true)
 * ...
 * </pre>
 */
public class MonkeySourceScript implements MonkeyEventSource {
    private int mEventCountInScript = 0; // total number of events in the file

    private int mVerbose = 0;

    private double mSpeed = 1.0;

    private String mScriptFileName;

    private MonkeyEventQueue mQ;

    private static final String HEADER_COUNT = "count=";

    private static final String HEADER_SPEED = "speed=";

    private long mLastRecordedDownTimeKey = 0;

    private long mLastRecordedDownTimeMotion = 0;

    private long mLastExportDownTimeKey = 0;

    private long mLastExportDownTimeMotion = 0;

    private long mLastExportEventTime = -1;

    private long mLastRecordedEventTime = -1;

    // process scripts in line-by-line mode (true) or batch processing mode (false)
    private boolean mReadScriptLineByLine = false;

    private static final boolean THIS_DEBUG = false;

    // a parameter that compensates the difference of real elapsed time and
    // time in theory
    private static final long SLEEP_COMPENSATE_DIFF = 16;

    // if this header is present, scripts are read and processed in line-by-line mode
    private static final String HEADER_LINE_BY_LINE = "linebyline";

    // maximum number of events that we read at one time
    private static final int MAX_ONE_TIME_READS = 100;

    // event key word in the capture log
    private static final String EVENT_KEYWORD_POINTER = "DispatchPointer";

    private static final String EVENT_KEYWORD_TRACKBALL = "DispatchTrackball";

    private static final String EVENT_KEYWORD_ROTATION = "RotateScreen";

    private static final String EVENT_KEYWORD_KEY = "DispatchKey";

    private static final String EVENT_KEYWORD_FLIP = "DispatchFlip";

    private static final String EVENT_KEYWORD_KEYPRESS = "DispatchPress";

    private static final String EVENT_KEYWORD_ACTIVITY = "LaunchActivity";

    private static final String EVENT_KEYWORD_INSTRUMENTATION = "LaunchInstrumentation";

    private static final String EVENT_KEYWORD_WAIT = "UserWait";

    private static final String EVENT_KEYWORD_LONGPRESS = "LongPress";

    private static final String EVENT_KEYWORD_POWERLOG = "PowerLog";

    private static final String EVENT_KEYWORD_WRITEPOWERLOG = "WriteLog";

    private static final String EVENT_KEYWORD_RUNCMD = "RunCmd";

    private static final String EVENT_KEYWORD_TAP = "Tap";

    private static final String EVENT_KEYWORD_PROFILE_WAIT = "ProfileWait";

    private static final String EVENT_KEYWORD_DEVICE_WAKEUP = "DeviceWakeUp";

    private static final String EVENT_KEYWORD_INPUT_STRING = "DispatchString";

    private static final String EVENT_KEYWORD_PRESSANDHOLD = "PressAndHold";

    private static final String EVENT_KEYWORD_DRAG = "Drag";

    private static final String EVENT_KEYWORD_PINCH_ZOOM = "PinchZoom";

    private static final String EVENT_KEYWORD_START_FRAMERATE_CAPTURE = "StartCaptureFramerate";

    private static final String EVENT_KEYWORD_END_FRAMERATE_CAPTURE = "EndCaptureFramerate";

    private static final String EVENT_KEYWORD_START_APP_FRAMERATE_CAPTURE =
            "StartCaptureAppFramerate";

    private static final String EVENT_KEYWORD_END_APP_FRAMERATE_CAPTURE = "EndCaptureAppFramerate";

    // a line at the end of the header
    private static final String STARTING_DATA_LINE = "start data >>";

    private boolean mFileOpened = false;

    private static int LONGPRESS_WAIT_TIME = 2000; // wait time for the long

    private long mProfileWaitTime = 5000; //Wait time for each user profile

    private long mDeviceSleepTime = 30000; //Device sleep time

    FileInputStream mFStream;

    DataInputStream mInputStream;

    BufferedReader mBufferedReader;

    // X and Y coordincates of last touch event. Array Index is the pointerId
    private float mLastX[] = new float[2];

    private float mLastY[] = new float[2];

    private long mScriptStartTime = -1;

    private long mMonkeyStartTime = -1;

    /**
     * Creates a MonkeySourceScript instance.
     *
     * @param filename The filename of the script (on the device).
     * @param throttle The amount of time in ms to sleep between events.
     */
    public MonkeySourceScript(Random random, String filename, long throttle,
            boolean randomizeThrottle, long profileWaitTime, long deviceSleepTime) {
        mScriptFileName = filename;
        mQ = new MonkeyEventQueue(random, throttle, randomizeThrottle);
        mProfileWaitTime = profileWaitTime;
        mDeviceSleepTime = deviceSleepTime;
    }

    /**
     * Resets the globals used to timeshift events.
     */
    private void resetValue() {
        mLastRecordedDownTimeKey = 0;
        mLastRecordedDownTimeMotion = 0;
        mLastRecordedEventTime = -1;
        mLastExportDownTimeKey = 0;
        mLastExportDownTimeMotion = 0;
        mLastExportEventTime = -1;
    }

    /**
     * Reads the header of the script file.
     *
     * @return True if the file header could be parsed, and false otherwise.
     * @throws IOException If there was an error reading the file.
     */
    private boolean readHeader() throws IOException {
        mFileOpened = true;

        mFStream = new FileInputStream(mScriptFileName);
        mInputStream = new DataInputStream(mFStream);
        mBufferedReader = new BufferedReader(new InputStreamReader(mInputStream));

        String line;

        while ((line = mBufferedReader.readLine()) != null) {
            line = line.trim();

            if (line.indexOf(HEADER_COUNT) >= 0) {
                try {
                    String value = line.substring(HEADER_COUNT.length() + 1).trim();
                    mEventCountInScript = Integer.parseInt(value);
                } catch (NumberFormatException e) {
                    System.err.println(e);
                    return false;
                }
            } else if (line.indexOf(HEADER_SPEED) >= 0) {
                try {
                    String value = line.substring(HEADER_COUNT.length() + 1).trim();
                    mSpeed = Double.parseDouble(value);
                } catch (NumberFormatException e) {
                    System.err.println(e);
                    return false;
                }
            } else if (line.indexOf(HEADER_LINE_BY_LINE) >= 0) {
                mReadScriptLineByLine = true;
            } else if (line.indexOf(STARTING_DATA_LINE) >= 0) {
                return true;
            }
        }

        return false;
    }

    /**
     * Reads a number of lines and passes the lines to be processed.
     *
     * @return The number of lines read.
     * @throws IOException If there was an error reading the file.
     */
    private int readLines() throws IOException {
        String line;
        for (int i = 0; i < MAX_ONE_TIME_READS; i++) {
            line = mBufferedReader.readLine();
            if (line == null) {
                return i;
            }
            line.trim();
            processLine(line);
        }
        return MAX_ONE_TIME_READS;
    }

     /**
      * Reads one line and processes it.
      *
      * @return the number of lines read
      * @throws IOException If there was an error reading the file.
      */
    private int readOneLine() throws IOException {
        String line = mBufferedReader.readLine();
        if (line == null) {
            return 0;
        }
        line.trim();
        processLine(line);
        return 1;
    }



    /**
     * Creates an event and adds it to the event queue. If the parameters are
     * not understood, they are ignored and no events are added.
     *
     * @param s The entire string from the script file.
     * @param args An array of arguments extracted from the script file line.
     */
    private void handleEvent(String s, String[] args) {
        // Handle key event
        if (s.indexOf(EVENT_KEYWORD_KEY) >= 0 && args.length == 8) {
            try {
                System.out.println(" old key\n");
                long downTime = Long.parseLong(args[0]);
                long eventTime = Long.parseLong(args[1]);
                int action = Integer.parseInt(args[2]);
                int code = Integer.parseInt(args[3]);
                int repeat = Integer.parseInt(args[4]);
                int metaState = Integer.parseInt(args[5]);
                int device = Integer.parseInt(args[6]);
                int scancode = Integer.parseInt(args[7]);

                MonkeyKeyEvent e = new MonkeyKeyEvent(downTime, eventTime, action, code, repeat,
                        metaState, device, scancode);
                System.out.println(" Key code " + code + "\n");

                mQ.addLast(e);
                System.out.println("Added key up \n");
            } catch (NumberFormatException e) {
            }
            return;
        }

        // Handle trackball or pointer events
        if ((s.indexOf(EVENT_KEYWORD_POINTER) >= 0 || s.indexOf(EVENT_KEYWORD_TRACKBALL) >= 0)
                && args.length == 12) {
            try {
                long downTime = Long.parseLong(args[0]);
                long eventTime = Long.parseLong(args[1]);
                int action = Integer.parseInt(args[2]);
                float x = Float.parseFloat(args[3]);
                float y = Float.parseFloat(args[4]);
                float pressure = Float.parseFloat(args[5]);
                float size = Float.parseFloat(args[6]);
                int metaState = Integer.parseInt(args[7]);
                float xPrecision = Float.parseFloat(args[8]);
                float yPrecision = Float.parseFloat(args[9]);
                int device = Integer.parseInt(args[10]);
                int edgeFlags = Integer.parseInt(args[11]);

                MonkeyMotionEvent e;
                if (s.indexOf("Pointer") > 0) {
                    e = new MonkeyTouchEvent(action);
                } else {
                    e = new MonkeyTrackballEvent(action);
                }

                e.setDownTime(downTime)
                        .setEventTime(eventTime)
                        .setMetaState(metaState)
                        .setPrecision(xPrecision, yPrecision)
                        .setDeviceId(device)
                        .setEdgeFlags(edgeFlags)
                        .addPointer(0, x, y, pressure, size);
                mQ.addLast(e);
            } catch (NumberFormatException e) {
            }
            return;
        }

        // Handle trackball or multi-touch  pointer events. pointer ID is the 13th parameter
        if ((s.indexOf(EVENT_KEYWORD_POINTER) >= 0 || s.indexOf(EVENT_KEYWORD_TRACKBALL) >= 0)
                && args.length == 13) {
            try {
                long downTime = Long.parseLong(args[0]);
                long eventTime = Long.parseLong(args[1]);
                int action = Integer.parseInt(args[2]);
                float x = Float.parseFloat(args[3]);
                float y = Float.parseFloat(args[4]);
                float pressure = Float.parseFloat(args[5]);
                float size = Float.parseFloat(args[6]);
                int metaState = Integer.parseInt(args[7]);
                float xPrecision = Float.parseFloat(args[8]);
                float yPrecision = Float.parseFloat(args[9]);
                int device = Integer.parseInt(args[10]);
                int edgeFlags = Integer.parseInt(args[11]);
                int pointerId = Integer.parseInt(args[12]);

                MonkeyMotionEvent e;
                if (s.indexOf("Pointer") > 0) {
                    if (action == MotionEvent.ACTION_POINTER_DOWN) {
                        e = new MonkeyTouchEvent(MotionEvent.ACTION_POINTER_DOWN
                                | (pointerId << MotionEvent.ACTION_POINTER_INDEX_SHIFT))
                                        .setIntermediateNote(true);
                    } else {
                        e = new MonkeyTouchEvent(action);
                    }
                    if (mScriptStartTime < 0) {
                        mMonkeyStartTime = SystemClock.uptimeMillis();
                        mScriptStartTime = eventTime;
                    }
                } else {
                    e = new MonkeyTrackballEvent(action);
                }

                if (pointerId == 1) {
                    e.setDownTime(downTime)
                            .setEventTime(eventTime)
                            .setMetaState(metaState)
                            .setPrecision(xPrecision, yPrecision)
                            .setDeviceId(device)
                            .setEdgeFlags(edgeFlags)
                            .addPointer(0, mLastX[0], mLastY[0], pressure, size)
                            .addPointer(1, x, y, pressure, size);
                    mLastX[1] = x;
                    mLastY[1] = y;
                } else if (pointerId == 0) {
                    e.setDownTime(downTime)
                            .setEventTime(eventTime)
                            .setMetaState(metaState)
                            .setPrecision(xPrecision, yPrecision)
                            .setDeviceId(device)
                            .setEdgeFlags(edgeFlags)
                            .addPointer(0, x, y, pressure, size);
                     if(action == MotionEvent.ACTION_POINTER_UP) {
                         e.addPointer(1, mLastX[1], mLastY[1]);
                     }
                     mLastX[0] = x;
                     mLastY[0] = y;
                }

                // Dynamically adjust waiting time to ensure that simulated evnets follow
                // the time tap specified in the script
                if (mReadScriptLineByLine) {
                    long curUpTime = SystemClock.uptimeMillis();
                    long realElapsedTime = curUpTime - mMonkeyStartTime;
                    long scriptElapsedTime = eventTime - mScriptStartTime;
                    if (realElapsedTime < scriptElapsedTime) {
                        long waitDuration = scriptElapsedTime - realElapsedTime;
                        mQ.addLast(new MonkeyWaitEvent(waitDuration));
                    }
                }
                mQ.addLast(e);
            } catch (NumberFormatException e) {
            }
            return;
        }

        // Handle screen rotation events
        if ((s.indexOf(EVENT_KEYWORD_ROTATION) >= 0) && args.length == 2) {
            try {
                int rotationDegree = Integer.parseInt(args[0]);
                int persist = Integer.parseInt(args[1]);
                if ((rotationDegree == Surface.ROTATION_0) ||
                    (rotationDegree == Surface.ROTATION_90) ||
                    (rotationDegree == Surface.ROTATION_180) ||
                    (rotationDegree == Surface.ROTATION_270)) {
                    mQ.addLast(new MonkeyRotationEvent(rotationDegree,
                                                       persist != 0));
                }
            } catch (NumberFormatException e) {
            }
            return;
        }

        // Handle tap event
        if ((s.indexOf(EVENT_KEYWORD_TAP) >= 0) && args.length >= 2) {
            try {
                float x = Float.parseFloat(args[0]);
                float y = Float.parseFloat(args[1]);
                long tapDuration = 0;
                if (args.length == 3) {
                    tapDuration = Long.parseLong(args[2]);
                }

                // Set the default parameters
                long downTime = SystemClock.uptimeMillis();
                MonkeyMotionEvent e1 = new MonkeyTouchEvent(MotionEvent.ACTION_DOWN)
                        .setDownTime(downTime)
                        .setEventTime(downTime)
                        .addPointer(0, x, y, 1, 5);
                mQ.addLast(e1);
                if (tapDuration > 0){
                    mQ.addLast(new MonkeyWaitEvent(tapDuration));
                }
                MonkeyMotionEvent e2 = new MonkeyTouchEvent(MotionEvent.ACTION_UP)
                        .setDownTime(downTime)
                        .setEventTime(downTime)
                        .addPointer(0, x, y, 1, 5);
                mQ.addLast(e2);
            } catch (NumberFormatException e) {
                System.err.println("// " + e.toString());
            }
            return;
        }

        //Handle the press and hold
        if ((s.indexOf(EVENT_KEYWORD_PRESSANDHOLD) >= 0) && args.length == 3) {
            try {
                float x = Float.parseFloat(args[0]);
                float y = Float.parseFloat(args[1]);
                long pressDuration = Long.parseLong(args[2]);

                // Set the default parameters
                long downTime = SystemClock.uptimeMillis();

                MonkeyMotionEvent e1 = new MonkeyTouchEvent(MotionEvent.ACTION_DOWN)
                        .setDownTime(downTime)
                        .setEventTime(downTime)
                        .addPointer(0, x, y, 1, 5);
                MonkeyWaitEvent e2 = new MonkeyWaitEvent(pressDuration);
                MonkeyMotionEvent e3 = new MonkeyTouchEvent(MotionEvent.ACTION_UP)
                        .setDownTime(downTime + pressDuration)
                        .setEventTime(downTime + pressDuration)
                        .addPointer(0, x, y, 1, 5);
                mQ.addLast(e1);
                mQ.addLast(e2);
                mQ.addLast(e2);

            } catch (NumberFormatException e) {
                System.err.println("// " + e.toString());
            }
            return;
        }

        // Handle drag event
        if ((s.indexOf(EVENT_KEYWORD_DRAG) >= 0) && args.length == 5) {
            float xStart = Float.parseFloat(args[0]);
            float yStart = Float.parseFloat(args[1]);
            float xEnd = Float.parseFloat(args[2]);
            float yEnd = Float.parseFloat(args[3]);
            int stepCount = Integer.parseInt(args[4]);

            float x = xStart;
            float y = yStart;
            long downTime = SystemClock.uptimeMillis();
            long eventTime = SystemClock.uptimeMillis();

            if (stepCount > 0) {
                float xStep = (xEnd - xStart) / stepCount;
                float yStep = (yEnd - yStart) / stepCount;

                MonkeyMotionEvent e =
                        new MonkeyTouchEvent(MotionEvent.ACTION_DOWN).setDownTime(downTime)
                                .setEventTime(eventTime).addPointer(0, x, y, 1, 5);
                mQ.addLast(e);

                for (int i = 0; i < stepCount; ++i) {
                    x += xStep;
                    y += yStep;
                    eventTime = SystemClock.uptimeMillis();
                    e = new MonkeyTouchEvent(MotionEvent.ACTION_MOVE).setDownTime(downTime)
                        .setEventTime(eventTime).addPointer(0, x, y, 1, 5);
                    mQ.addLast(e);
                }

                eventTime = SystemClock.uptimeMillis();
                e = new MonkeyTouchEvent(MotionEvent.ACTION_UP).setDownTime(downTime)
                    .setEventTime(eventTime).addPointer(0, x, y, 1, 5);
                mQ.addLast(e);
            }
        }

        // Handle pinch or zoom action
        if ((s.indexOf(EVENT_KEYWORD_PINCH_ZOOM) >= 0) && args.length == 9) {
            //Parse the parameters
            float pt1xStart = Float.parseFloat(args[0]);
            float pt1yStart = Float.parseFloat(args[1]);
            float pt1xEnd = Float.parseFloat(args[2]);
            float pt1yEnd = Float.parseFloat(args[3]);

            float pt2xStart = Float.parseFloat(args[4]);
            float pt2yStart = Float.parseFloat(args[5]);
            float pt2xEnd = Float.parseFloat(args[6]);
            float pt2yEnd = Float.parseFloat(args[7]);

            int stepCount = Integer.parseInt(args[8]);

            float x1 = pt1xStart;
            float y1 = pt1yStart;
            float x2 = pt2xStart;
            float y2 = pt2yStart;

            long downTime = SystemClock.uptimeMillis();
            long eventTime = SystemClock.uptimeMillis();

            if (stepCount > 0) {
                float pt1xStep = (pt1xEnd - pt1xStart) / stepCount;
                float pt1yStep = (pt1yEnd - pt1yStart) / stepCount;

                float pt2xStep = (pt2xEnd - pt2xStart) / stepCount;
                float pt2yStep = (pt2yEnd - pt2yStart) / stepCount;

                mQ.addLast(new MonkeyTouchEvent(MotionEvent.ACTION_DOWN).setDownTime(downTime)
                        .setEventTime(eventTime).addPointer(0, x1, y1, 1, 5));

                mQ.addLast(new MonkeyTouchEvent(MotionEvent.ACTION_POINTER_DOWN
                        | (1 << MotionEvent.ACTION_POINTER_INDEX_SHIFT)).setDownTime(downTime)
                        .addPointer(0, x1, y1).addPointer(1, x2, y2).setIntermediateNote(true));

                for (int i = 0; i < stepCount; ++i) {
                    x1 += pt1xStep;
                    y1 += pt1yStep;
                    x2 += pt2xStep;
                    y2 += pt2yStep;

                    eventTime = SystemClock.uptimeMillis();
                    mQ.addLast(new MonkeyTouchEvent(MotionEvent.ACTION_MOVE).setDownTime(downTime)
                            .setEventTime(eventTime).addPointer(0, x1, y1, 1, 5).addPointer(1, x2,
                                    y2, 1, 5));
                }
                eventTime = SystemClock.uptimeMillis();
                mQ.addLast(new MonkeyTouchEvent(MotionEvent.ACTION_POINTER_UP)
                        .setDownTime(downTime).setEventTime(eventTime).addPointer(0, x1, y1)
                        .addPointer(1, x2, y2));
            }
        }

        // Handle flip events
        if (s.indexOf(EVENT_KEYWORD_FLIP) >= 0 && args.length == 1) {
            boolean keyboardOpen = Boolean.parseBoolean(args[0]);
            MonkeyFlipEvent e = new MonkeyFlipEvent(keyboardOpen);
            mQ.addLast(e);
        }

        // Handle launch events
        if (s.indexOf(EVENT_KEYWORD_ACTIVITY) >= 0 && args.length >= 2) {
            String pkg_name = args[0];
            String cl_name = args[1];
            long alarmTime = 0;

            ComponentName mApp = new ComponentName(pkg_name, cl_name);

            if (args.length > 2) {
                try {
                    alarmTime = Long.parseLong(args[2]);
                } catch (NumberFormatException e) {
                    System.err.println("// " + e.toString());
                    return;
                }
            }

            if (args.length == 2) {
                MonkeyActivityEvent e = new MonkeyActivityEvent(mApp);
                mQ.addLast(e);
            } else {
                MonkeyActivityEvent e = new MonkeyActivityEvent(mApp, alarmTime);
                mQ.addLast(e);
            }
            return;
        }

        //Handle the device wake up event
        if (s.indexOf(EVENT_KEYWORD_DEVICE_WAKEUP) >= 0){
            String pkg_name = "com.google.android.powerutil";
            String cl_name = "com.google.android.powerutil.WakeUpScreen";
            long deviceSleepTime = mDeviceSleepTime;

            //Start the wakeUpScreen test activity to turn off the screen.
            ComponentName mApp = new ComponentName(pkg_name, cl_name);
            mQ.addLast(new MonkeyActivityEvent(mApp, deviceSleepTime));

            //inject the special key for the wakeUpScreen test activity.
            mQ.addLast(new MonkeyKeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_0));
            mQ.addLast(new MonkeyKeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_0));

            //Add the wait event after the device sleep event so that the monkey
            //can continue after the device wake up.
            mQ.addLast(new MonkeyWaitEvent(deviceSleepTime + 3000));

            //Insert the menu key to unlock the screen
            mQ.addLast(new MonkeyKeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU));
            mQ.addLast(new MonkeyKeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MENU));

            //Insert the back key to dismiss the test activity
            mQ.addLast(new MonkeyKeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK));
            mQ.addLast(new MonkeyKeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK));

            return;
        }

        // Handle launch instrumentation events
        if (s.indexOf(EVENT_KEYWORD_INSTRUMENTATION) >= 0 && args.length == 2) {
            String test_name = args[0];
            String runner_name = args[1];
            MonkeyInstrumentationEvent e = new MonkeyInstrumentationEvent(test_name, runner_name);
            mQ.addLast(e);
            return;
        }

        // Handle wait events
        if (s.indexOf(EVENT_KEYWORD_WAIT) >= 0 && args.length == 1) {
            try {
                long sleeptime = Integer.parseInt(args[0]);
                MonkeyWaitEvent e = new MonkeyWaitEvent(sleeptime);
                mQ.addLast(e);
            } catch (NumberFormatException e) {
            }
            return;
        }


        // Handle the profile wait time
        if (s.indexOf(EVENT_KEYWORD_PROFILE_WAIT) >= 0) {
            MonkeyWaitEvent e = new MonkeyWaitEvent(mProfileWaitTime);
            mQ.addLast(e);
            return;
        }

        // Handle keypress events
        if (s.indexOf(EVENT_KEYWORD_KEYPRESS) >= 0 && args.length == 1) {
            String key_name = args[0];
            int keyCode = MonkeySourceRandom.getKeyCode(key_name);
            if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
                return;
            }
            MonkeyKeyEvent e = new MonkeyKeyEvent(KeyEvent.ACTION_DOWN, keyCode);
            mQ.addLast(e);
            e = new MonkeyKeyEvent(KeyEvent.ACTION_UP, keyCode);
            mQ.addLast(e);
            return;
        }

        // Handle longpress events
        if (s.indexOf(EVENT_KEYWORD_LONGPRESS) >= 0) {
            MonkeyKeyEvent e;
            e = new MonkeyKeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DPAD_CENTER);
            mQ.addLast(e);
            MonkeyWaitEvent we = new MonkeyWaitEvent(LONGPRESS_WAIT_TIME);
            mQ.addLast(we);
            e = new MonkeyKeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DPAD_CENTER);
            mQ.addLast(e);
        }

        //The power log event is mainly for the automated power framework
        if (s.indexOf(EVENT_KEYWORD_POWERLOG) >= 0 && args.length > 0) {
            String power_log_type = args[0];
            String test_case_status;

            if (args.length == 1){
                MonkeyPowerEvent e = new MonkeyPowerEvent(power_log_type);
                mQ.addLast(e);
            } else if (args.length == 2){
                test_case_status = args[1];
                MonkeyPowerEvent e = new MonkeyPowerEvent(power_log_type, test_case_status);
                mQ.addLast(e);
            }
        }

        //Write power log to sdcard
        if (s.indexOf(EVENT_KEYWORD_WRITEPOWERLOG) >= 0) {
            MonkeyPowerEvent e = new MonkeyPowerEvent();
            mQ.addLast(e);
        }

        //Run the shell command
        if (s.indexOf(EVENT_KEYWORD_RUNCMD) >= 0 && args.length == 1) {
            String cmd = args[0];
            MonkeyCommandEvent e = new MonkeyCommandEvent(cmd);
            mQ.addLast(e);
        }

        //Input the string through the shell command
        if (s.indexOf(EVENT_KEYWORD_INPUT_STRING) >= 0 && args.length == 1) {
            String input = args[0];
            String cmd = "input text " + input;
            MonkeyCommandEvent e = new MonkeyCommandEvent(cmd);
            mQ.addLast(e);
            return;
        }

        if (s.indexOf(EVENT_KEYWORD_START_FRAMERATE_CAPTURE) >= 0) {
            MonkeyGetFrameRateEvent e = new MonkeyGetFrameRateEvent("start");
            mQ.addLast(e);
            return;
        }

        if (s.indexOf(EVENT_KEYWORD_END_FRAMERATE_CAPTURE) >= 0 && args.length == 1) {
            String input = args[0];
            MonkeyGetFrameRateEvent e = new MonkeyGetFrameRateEvent("end", input);
            mQ.addLast(e);
            return;
        }

        if (s.indexOf(EVENT_KEYWORD_START_APP_FRAMERATE_CAPTURE) >= 0 && args.length == 1) {
            String app = args[0];
            MonkeyGetAppFrameRateEvent e = new MonkeyGetAppFrameRateEvent("start", app);
            mQ.addLast(e);
            return;
        }

        if (s.indexOf(EVENT_KEYWORD_END_APP_FRAMERATE_CAPTURE) >= 0 && args.length == 2) {
            String app = args[0];
            String label = args[1];
            MonkeyGetAppFrameRateEvent e = new MonkeyGetAppFrameRateEvent("end", app, label);
            mQ.addLast(e);
            return;
        }


    }

    /**
     * Extracts an event and a list of arguments from a line. If the line does
     * not match the format required, it is ignored.
     *
     * @param line A string in the form {@code cmd(arg1,arg2,arg3)}.
     */
    private void processLine(String line) {
        int index1 = line.indexOf('(');
        int index2 = line.indexOf(')');

        if (index1 < 0 || index2 < 0) {
            return;
        }

        String[] args = line.substring(index1 + 1, index2).split(",");

        for (int i = 0; i < args.length; i++) {
            args[i] = args[i].trim();
        }

        handleEvent(line, args);
    }

    /**
     * Closes the script file.
     *
     * @throws IOException If there was an error closing the file.
     */
    private void closeFile() throws IOException {
        mFileOpened = false;

        try {
            mFStream.close();
            mInputStream.close();
        } catch (NullPointerException e) {
            // File was never opened so it can't be closed.
        }
    }

    /**
     * Read next batch of events from the script file into the event queue.
     * Checks if the script is open and then reads the next MAX_ONE_TIME_READS
     * events or reads until the end of the file. If no events are read, then
     * the script is closed.
     *
     * @throws IOException If there was an error reading the file.
     */
    private void readNextBatch() throws IOException {
        int linesRead = 0;

        if (THIS_DEBUG) {
            System.out.println("readNextBatch(): reading next batch of events");
        }

        if (!mFileOpened) {
            resetValue();
            readHeader();
        }

        if (mReadScriptLineByLine) {
            linesRead = readOneLine();
        } else {
            linesRead = readLines();
        }

        if (linesRead == 0) {
            closeFile();
        }
    }

    /**
     * Sleep for a period of given time. Used to introduce latency between
     * events.
     *
     * @param time The amount of time to sleep in ms
     */
    private void needSleep(long time) {
        if (time < 1) {
            return;
        }
        try {
            Thread.sleep(time);
        } catch (InterruptedException e) {
        }
    }

    /**
     * Checks if the file can be opened and if the header is valid.
     *
     * @return True if the file exists and the header is valid, false otherwise.
     */
    @Override
    public boolean validate() {
        boolean validHeader;
        try {
            validHeader = readHeader();
            closeFile();
        } catch (IOException e) {
            return false;
        }

        if (mVerbose > 0) {
            System.out.println("Replaying " + mEventCountInScript + " events with speed " + mSpeed);
        }
        return validHeader;
    }

    @Override
    public void setVerbose(int verbose) {
        mVerbose = verbose;
    }

    /**
     * Adjust key downtime and eventtime according to both recorded values and
     * current system time.
     *
     * @param e A KeyEvent
     */
    private void adjustKeyEventTime(MonkeyKeyEvent e) {
        if (e.getEventTime() < 0) {
            return;
        }
        long thisDownTime = 0;
        long thisEventTime = 0;
        long expectedDelay = 0;

        if (mLastRecordedEventTime <= 0) {
            // first time event
            thisDownTime = SystemClock.uptimeMillis();
            thisEventTime = thisDownTime;
        } else {
            if (e.getDownTime() != mLastRecordedDownTimeKey) {
                thisDownTime = e.getDownTime();
            } else {
                thisDownTime = mLastExportDownTimeKey;
            }
            expectedDelay = (long) ((e.getEventTime() - mLastRecordedEventTime) * mSpeed);
            thisEventTime = mLastExportEventTime + expectedDelay;
            // add sleep to simulate everything in recording
            needSleep(expectedDelay - SLEEP_COMPENSATE_DIFF);
        }
        mLastRecordedDownTimeKey = e.getDownTime();
        mLastRecordedEventTime = e.getEventTime();
        e.setDownTime(thisDownTime);
        e.setEventTime(thisEventTime);
        mLastExportDownTimeKey = thisDownTime;
        mLastExportEventTime = thisEventTime;
    }

    /**
     * Adjust motion downtime and eventtime according to current system time.
     *
     * @param e A MotionEvent
     */
    private void adjustMotionEventTime(MonkeyMotionEvent e) {
        long thisEventTime = SystemClock.uptimeMillis();
        long thisDownTime = e.getDownTime();

        if (thisDownTime == mLastRecordedDownTimeMotion) {
            // this event is the same batch as previous one
            e.setDownTime(mLastExportDownTimeMotion);
        } else {
            // this event is the start of a new batch
            mLastRecordedDownTimeMotion = thisDownTime;
            // update down time to match current time
            e.setDownTime(thisEventTime);
            mLastExportDownTimeMotion = thisEventTime;
        }
        // always refresh event time
        e.setEventTime(thisEventTime);
    }

    /**
     * Gets the next event to be injected from the script. If the event queue is
     * empty, reads the next n events from the script into the queue, where n is
     * the lesser of the number of remaining events and the value specified by
     * MAX_ONE_TIME_READS. If the end of the file is reached, no events are
     * added to the queue and null is returned.
     *
     * @return The first event in the event queue or null if the end of the file
     *         is reached or if an error is encountered reading the file.
     */
    @Override
    public MonkeyEvent getNextEvent() {
        long recordedEventTime = -1;
        MonkeyEvent ev;

        if (mQ.isEmpty()) {
            try {
                readNextBatch();
            } catch (IOException e) {
                return null;
            }
        }

        try {
            ev = mQ.getFirst();
            mQ.removeFirst();
        } catch (NoSuchElementException e) {
            return null;
        }

        if (ev.getEventType() == MonkeyEvent.EVENT_TYPE_KEY) {
            adjustKeyEventTime((MonkeyKeyEvent) ev);
        } else if (ev.getEventType() == MonkeyEvent.EVENT_TYPE_TOUCH
                || ev.getEventType() == MonkeyEvent.EVENT_TYPE_TRACKBALL) {
            adjustMotionEventTime((MonkeyMotionEvent) ev);
        }
        return ev;
    }
}


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