/**     * Command-line entry point.     *     * @param args The command-line arguments     */    public static void main(String[] args) {        // Set the process name showing in "ps" or "top"        Process.setArgV0("com.android.commands.monkey");        int resultCode = (new Monkey()).run(args);        System.exit(resultCode);    }

    private int run(String[] args) {    ...        if (!processOptions()) {            return -1;        }    ...}

3. 初始化測试事件源

   private int run(String[] args) {
        ...
        if (mScriptFileNames != null && mScriptFileNames.size() == 1) {
            // script mode, ignore other options
            mEventSource = new MonkeySourceScript(mRandom, mScriptFileNames.get(0), mThrottle,
                    mRandomizeThrottle, mProfileWaitTime, mDeviceSleepTime);
            mEventSource.setVerbose(mVerbose);

            mCountEvents = false;
        } else if (mScriptFileNames != null && mScriptFileNames.size() > 1) {
            if (mSetupFileName != null) {
                mEventSource = new MonkeySourceRandomScript(mSetupFileName,
                        mScriptFileNames, mThrottle, mRandomizeThrottle, mRandom,
                        mProfileWaitTime, mDeviceSleepTime, mRandomizeScript);
                mCount++;
            } else {
                mEventSource = new MonkeySourceRandomScript(mScriptFileNames,
                        mThrottle, mRandomizeThrottle, mRandom,
                        mProfileWaitTime, mDeviceSleepTime, mRandomizeScript);
            }
            mEventSource.setVerbose(mVerbose);
            mCountEvents = false;
        } else if (mServerPort != -1) {
            try {
                mEventSource = new MonkeySourceNetwork(mServerPort);
            } catch (IOException e) {
                System.out.println("Error binding to network socket.");
                return -5;
            }
            mCount = Integer.MAX_VALUE;
        } else {
            // random source by default
            if (mVerbose >= 2) { // check seeding performance
                System.out.println("// Seeded: " + mSeed);
            }
            mEventSource = new MonkeySourceRandom(mRandom, mMainApps, mThrottle, mRandomizeThrottle);
            mEventSource.setVerbose(mVerbose);
            // set any of the factors that has been set
            for (int i = 0; i < MonkeySourceRandom.FACTORZ_COUNT; i++) {
                if (mFactors[i] <= 0.0f) {
                    ((MonkeySourceRandom) mEventSource).setFactors(i, mFactors[i]);
                }
            }

            // in random mode, we start with a random activity
            ((MonkeySourceRandom) mEventSource).generateActivity();
        }
        ...
        mNetworkMonitor.start();
        int crashedAtCycle = runMonkeyCycles();
        mNetworkMonitor.stop();
        ...
}

事件源代表測试数据的事件是从哪里过来的。不同的event source会有不同的类来做对应的实现：

• MonkeySourceNetwork.java: 事件是从网络如monkeyrunner过来的，处理的是《MonkeyRunner源代码分析之与Android设备通讯方式》描写叙述的界面控制操作事件
• MonkeySourceNetworkVars.java: 事件也是从网络如monkeyrunner过来的，处理的是《MonkeyRunner源代码分析之与Android设备通讯方式》提到的getPropery事件
• MonkeySourceNetworkViews.java:事件也是从网络如monkeyrunner过来的。处理的是《MonkeyRunner源代码分析之与Android设备通讯方式》提到的Views相关的事件
• MonkeySourceRandom.java:事件是从monkey内部生成的随机事件集，也就是我们通过命令行启动monkey測试目标app的经常使用方式
• MonkeySourceRanodomeScript.java: 上面的随机内部数据源也能够通过指定setup脚本来创建
• MonkeySourceScript.java: 用户也能够遵循一定的规则编写monkey脚本来驱动monkey进行相关測试。与上面不同的是它不再是随机的

    private int run(String[] args) {
        ...
        int crashedAtCycle = runMonkeyCycles();
        ...
}

    /**
     * Run mCount cycles and see if we hit any crashers.
     * <p>
     * TODO: Meta state on keys
     *
     * @return Returns the last cycle which executed. If the value == mCount, no
     *         errors detected.
     */
    private int runMonkeyCycles() {
        int eventCounter = 0;
        int cycleCounter = 0;

        boolean shouldReportAnrTraces = false;
        boolean shouldReportDumpsysMemInfo = false;
        boolean shouldAbort = false;
        boolean systemCrashed = false;

        // TO DO : The count should apply to each of the script file.
        while (!systemCrashed && cycleCounter < mCount) {
                ...
            MonkeyEvent ev = mEventSource.getNextEvent();
            if (ev != null) {
                int injectCode = ev.injectEvent(mWm, mAm, mVerbose);
                ...
             }
        ...
        }
       ....
}