实现功能：点击EditText，软键盘出现并且不会隐藏，点击或者触摸EditText以外的其他任何区域，软键盘被隐藏；

1、重写dispatchTouchEvent()方法，获取当前触摸事件为DOWN的时候隐藏软键盘

@Override

public boolean dispatchTouchEvent(MotionEvent ev) {

//Finger touch screen event

if (ev.getAction() == MotionEvent.ACTION_DOWN) {

// get current focus,Generally it is EditText

View view = getCurrentFocus();

if (isShouldHideSoftKeyBoard(view, ev)) {

hideSoftKeyBoard(view.getWindowToken());

}

}

return super.dispatchTouchEvent(ev);

}

2、isShouldHideInput()方法；

/**

* Judge what situation hide the soft keyboard,click EditText view should show soft keyboard

* @param v Incident event

* @param event

* @return

*/

private boolean isShouldHideSoftKeyBoard(View view, MotionEvent event) {

if (view != null && (view instanceof EditText)) {

int[] l = { 0, 0 };

view.getLocationInWindow(l);

int left = l[0], top = l[1], bottom = top +view.getHeight(), right = left

+ view.getWidth();

if (event.getX() > left && event.getX() < right

&& event.getY() > top && event.getY() < bottom) {

// If click the EditText event ,ignore it

return false;

} else {

return true;

}

}

// if the focus is EditText,ignore it;

return false;

}

3、hideSoftKeyBoard()方法；

/**

* hide soft keyboard

* @param token

*/

private void hideSoftKeyBoard(IBinder token) {

if (token != null) {

InputMethodManager im = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);

im.hideSoftInputFromWindow(token,

InputMethodManager.HIDE_NOT_ALWAYS);

}

}

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