android.app.Instrumentation#sendKeyDownUpSync ( )源码实例Demo

private void startFakeTouchTask() {
    // Solution/Hack #3 - "Send fake touches!"
    // https://www.youtube.com/watch?v=F2ZDp-eNrh4

    mTimer = new Timer();
    mSendFakeTouchTask = new TimerTask() {
        @Override
        public void run() {
            try {
                Instrumentation instrumentation = new Instrumentation();
                instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_BACKSLASH);
            } catch (SecurityException e) {
                // ignore SecurityException
                // "Injecting to another application requires INJECT_EVENTS permission"
            }
        }
    };
    mTimer.schedule(mSendFakeTouchTask, 1000, 1000);
}
 

/**
 * Taps the negative button of a currently displayed dialog. This method assumes that a button of
 * the dialog is currently selected.
 *
 * @see #tapDialogPositiveButton(Instrumentation)
 */
public static void tapDialogNegativeButton(Instrumentation instrumentation) {
  selectDialogButton(instrumentation);

  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_LEFT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
}
 

/**
 * Taps the positive button of a currently displayed dialog. This method assumes that a button of
 * the dialog is currently selected.
 *
 * @see #tapDialogNegativeButton(Instrumentation)
 */
@FixWhenMinSdkVersion(14)
public static void tapDialogPositiveButton(Instrumentation instrumentation) {
  selectDialogButton(instrumentation);

  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_RIGHT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
}
 

/**
 * Selects a button at the bottom of a dialog. This assumes that a dialog is currently displayed
 * in the foreground.
 */
private static void selectDialogButton(Instrumentation instrumentation) {
  // If the dialog contains too much text it will scroll and the buttons at the bottom will only
  // get selected once it scrolls to the very bottom.
  // So far, 6 x DPAD_DOWN seems to do the trick for our app...
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
}
 

/**
 * Taps the negative button of a currently displayed 3 button dialog. This method assumes that a
 * button of the dialog is currently selected.
 */
public static void tapNegativeButtonIn3ButtonDialog(Instrumentation instrumentation) {
  selectDialogButton(instrumentation);

  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_LEFT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_LEFT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
}
 

/**
 * Taps the neutral button of a currently displayed 3 button dialog. This method assumes that a
 * button of the dialog is currently selected.
 */
public static void tapNeutralButtonIn3ButtonDialog(Instrumentation instrumentation) {
  selectDialogButton(instrumentation);

  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_RIGHT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
}
 

/**
 * Taps the positive button of a currently displayed 3 button dialog. This method assumes that a
 * button of the dialog is currently selected.
 */
public static void tapPositiveButtonIn3ButtonDialog(Instrumentation instrumentation) {
  selectDialogButton(instrumentation);

  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_RIGHT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_RIGHT);
  instrumentation.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
}
 

@Override
public void run() {
    Instrumentation inst = new Instrumentation();
    inst.sendKeyDownUpSync(KeyEvent.KEYCODE_BACK);
}
 

/**
 * Force the device to think that a hardware button has been pressed, this is used for Play/Pause/Previous/Next Media commands
 * @param keyCode keycode for the hardware button we're emulating
 */
private static void sendMediaButton(int keyCode) {
    Instrumentation inst = new Instrumentation();
    inst.sendKeyDownUpSync(keyCode);
}
 

/**
 * Force the device to think that a hardware button has been pressed, this is used for Play/Pause/Previous/Next Media commands
 * @param context
 * @param keyCode keycode for the hardware button we're emulating
 */
private static void sendMediaButton(Context context, int keyCode) {
    Instrumentation inst = new Instrumentation();
    inst.sendKeyDownUpSync(keyCode);
}