Null pointer error with hideSoftInputFromWindow

Null pointer error with hideSoftInputFromWindow

1.

anyView.getWindowToken()

2

If you want to hide keyboard when touching in the screen, use the below code

@Overridepublic boolean onTouchEvent(MotionEvent event) { InputMethodManager imm = (InputMethodManager)this.getSystemService(Context. INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(this.getWindow().getDecorView().getRootView().getWindowToken(), 0); return true;}

If you want to do this in specific view (EditText)

public void hideKeyBoard(EditText edt) { InputMethodManager imm = (InputMethodManager)this.getSystemService(Context. INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(edt.getWindowToken(), 0);}

还有几种方法

​​https://stackoverflow.com/questions/19069448/null-pointer-error-with-hidesoftinputfromwindow​​

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