android 软件键盘

 显示小键盘

private void showSoftKeyboard(){
InputMethodManager inputMethodManager=(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
}
隐藏小键盘
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
View v = getCurrentFocus();
if (isShouldHideInput(v, ev)) {

InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
if (imm != null) {
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
}
return super.dispatchTouchEvent(ev);
}
// 必不可少，否则所有的组件都不会有TouchEvent了
if (getWindow().superDispatchTouchEvent(ev)) {
return true;
}
return onTouchEvent(ev);
}

public boolean isShouldHideInput(View v, MotionEvent event) {
if (v != null && (v instanceof EditText)) {
int[] leftTop = { 0, 0 };
//获取输入框当前的location位置
v.getLocationInWindow(leftTop);
int left = leftTop[0];
int top = leftTop[1];
int bottom = top + v.getHeight();
int right = left + v.getWidth();
if (event.getX() > left && event.getX() < right
&& event.getY() > top && event.getY() < bottom) {
// 点击的是输入框区域，保留点击EditText的事件
return false;
} else {
return true;
}
}
return false;
}