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//========================================================================= //== Utility Methods === //========================================================================= /** * 同步事件注入只可在测试线程中调用，不可在被测试者的主线程中调用，否则会导致被测试主线程阻塞 * Helper method injects a click event at a point on the active screen via the UiAutomation object. * @param x the x position on the screen to inject the click event * @param y the y position on the screen to inject the click event * @param automation a UiAutomation object received through the current Instrumentation */ @WorkerThread static void injectClickEvent(float x, float y, UiAutomation automation){ //A MotionEvent is a type of InputEvent. //The event time must be the current uptime. final long eventTime = SystemClock.uptimeMillis(); //A typical click event triggered by a user click on the touchscreen creates two MotionEvents, //first one with the action KeyEvent.ACTION_DOWN and the 2nd with the action KeyEvent.ACTION_UP MotionEvent motionDown = MotionEvent.obtain(eventTime, eventTime, KeyEvent.ACTION_DOWN, x, y, 0); //We must set the source of the MotionEvent or the click doesn't work. motionDown.setSource(InputDevice.SOURCE_TOUCHSCREEN); automation.injectInputEvent(motionDown, true); MotionEvent motionUp = MotionEvent.obtain(eventTime, eventTime, KeyEvent.ACTION_UP, x, y, 0); motionUp.setSource(InputDevice.SOURCE_TOUCHSCREEN); automation.injectInputEvent(motionUp, true); //Recycle our events back to the system pool. motionUp.recycle(); motionDown.recycle(); } |
注意：injectInputEvent 的第二个参数 sync 当被设置为 true 的时候，只可在测试框架的子线程中调用，不可在被测试者的主线程（UI线程）中调用，否则会导致被测试UI线程阻塞。原因是调用之后需要在另一个线程中等待执行结果。
参考链接
How to inject click event with Android UiAutomation.injectInputEvent