Android点击EditText文本框之外任何地方隐藏键盘的解决办法

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
    android:id="@+id/traceroute_rootview"  
    android:layout_width="fill_parent"  
    android:layout_height="fill_parent"  
    android:background="@color/white"  
    android:clickable="true"  
    android:gravity="center_horizontal"  
    android:orientation="vertical" >  
  
</LinearLayout> 

@Override  
public void onClick(View v) {  
    switch (v.getId()) {  
    case R.id.traceroute_rootview:  
         InputMethodManager imm = (InputMethodManager)  
         getSystemService(Context.INPUT_METHOD_SERVICE);  
         imm.hideSoftInputFromWindow(v.getWindowToken(), 0);  
        break;  
    }  
  
}  

@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;  
}