monkey源码分析之事件注入方法变化 · MonkeyRunner从入门到原理

在上一篇文章《[Monkey源码分析之事件注入](http://blog.csdn.net/zhubaitian/article/details/40450009)》中，我们看到了monkey在注入事件的时候用到了《[Monkey源码分析番外篇之Android注入事件的三种方法比较](http://blog.csdn.net/zhubaitian/article/details/40430053)》中的第一种方法，通过Internal API的WindowManager的injectKeyEvent之类的方法注入事件。这种方法在android api level 16也就是android4.1.2之后已经发生了变化： - 在此之后注入事件的方式变成了使用InputManager的injectInputEvent方法了 - 而InputManager的getInstance和injectInputEvent等方法后来又变成了隐藏方法，具体哪个版本我没有去查，但起码我现在在看的Android 4.4.2是这样的 - 同样，uiautomator使用的注入事件方法用的也是InputManager的injectInputEvent的方法，这我想就是为什么UIAutomator只支持api level 16以后的android版本了这里我们看下monkey在最新的版本API Level 19(android 4.4.2）的注入事件代码。 ~~~ /* */ public int injectEvent(IWindowManager iwm, IActivityManager iam, int verbose) /* */ { /* 101 */ if (verbose > 1) { String note; /* */ String note; /* 103 */ if (this.mAction == 1) { /* 104 */ note = "ACTION_UP"; /* */ } else { /* 106 */ note = "ACTION_DOWN"; /* */ } /* */ try /* */ { /* 110 */ System.out.println(":Sending Key (" + note + "): " + this.mKeyCode + " // " + MonkeySourceRandom.getKeyName(this.mKeyCode)); /* */ } /* */ catch (ArrayIndexOutOfBoundsException e) /* */ { /* 114 */ System.out.println(":Sending Key (" + note + "): " + this.mKeyCode + " // Unknown key event"); /* */ } /* */ } /* */ /* */ /* 119 */ KeyEvent keyEvent = this.mKeyEvent; /* 120 */ if (keyEvent == null) { /* 121 */ long eventTime = this.mEventTime; /* 122 */ if (eventTime <= 0L) { /* 123 */ eventTime = SystemClock.uptimeMillis(); /* */ } /* 125 */ long downTime = this.mDownTime; /* 126 */ if (downTime <= 0L) { /* 127 */ downTime = eventTime; /* */ } /* 129 */ keyEvent = new KeyEvent(downTime, eventTime, this.mAction, this.mKeyCode, this.mRepeatCount, this.mMetaState, this.mDeviceId, this.mScanCode, 8, 257); /* */ } /* */ /* */ /* 133 */ if (!InputManager.getInstance().injectInputEvent(keyEvent, 1)) /* */ { /* 135 */ return 0; /* */ } /* 137 */ return 1; /* */ } /* */ } ~~~ 可以看到最后的注入事件方法从原来的iwm.injectKeyEvent变成了现在的Inputmanager.getInstance().injectInputEvent方法了。 <table cellspacing="0" cellpadding="0" width="539" class=" " style="margin:0px 0px 10px; 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