试问一个函数知道哪些可点击的TextView已经与的onClick叫的吗？ [英] How can a function know which clickable textView has called it with onClick?

问题描述

当我选择用打电话的onClick功能上可点击TextView的，我怎么函数知道哪个TextView的呼吁呢？

例如，当我有这个在我的MainActivity.java：

 公共无效showHideData（查看视图）
{
    //Log.v("showHideDataA，叫包空，本地类的名​​字：+ this.getLocalClassName（）+要求的方向：+（+ this.getRequestedOrientation（）））;
    如果（findViewById（R.id.letterContentTextViewArrayB）.getVisibility（）== View.VISIBLE）
    {
        findViewById（R.id.checkedB）.setVisibility（View.GONE）;
        findViewById（R.id.notcheckedB）.setVisibility（View.VISIBLE）;
        findViewById（R.id.letterContentTextViewArrayB）.setVisibility（View.GONE）;
    }
    其他
    {
        findViewById（R.id.checkedB）.setVisibility（View.VISIBLE）;
        findViewById（R.id.notcheckedB）.setVisibility（View.GONE）;
        findViewById（R.id.letterContentTextViewArrayB）.setVisibility（View.VISIBLE）;
    }
} // showHideData的端（0）
 

和以下TextViews：

 ＆LT;的TextView
                机器人：ID =@ + ID / firstLetterTextViewArrayA
                机器人：layout_width =WRAP_CONTENT
                机器人：layout_height =WRAP_CONTENT
                机器人：文本=@字符串/ btn_a_label
                机器人：可点击=真
                机器人：的onClick =showHideData/＆GT;
           ＆LT;的TextView
                机器人：ID =@ + ID / firstLetterTextViewArrayB
                机器人：layout_width =WRAP_CONTENT
                机器人：layout_height =WRAP_CONTENT
                机器人：文本=@字符串/ btn_b_label
                机器人：可点击=真
                机器人：的onClick =showHideData/＆GT;
 

有没有办法让showHideData（查看视图）知道哪个TextView的叫的吗？

感谢您

解决方案

 公共无效showHideData（查看视图）
{
     view.getId（）;
     ...
}
 

这将返回视图被点击的ID。所以，你可以使用开关语句

 公共无效showHideData（查看视图）
{
    开关（view.getId（））{
        案例R.id.firstLetterTextViewArrayA：
        //逻辑此按钮
        打破;
        案例R.id.firstLetterTextViewArrayB：
        //逻辑此按钮
        打破;
}
 

When I choose to call a function with onClick on a clickable TextView, how do I get the function to know which TextView has called it?

For example, when I have this in my MainActivity.java:

public void showHideData(View view)
{
    //Log.v("showHideDataA: ",  "Calling package null, local class name: " + this.getLocalClassName() + " request orientation: " + ("" + this.getRequestedOrientation()));
    if (findViewById(R.id.letterContentTextViewArrayB).getVisibility() == View.VISIBLE)
    {
        findViewById(R.id.checkedB).setVisibility(View.GONE);
        findViewById(R.id.notcheckedB).setVisibility(View.VISIBLE);
        findViewById(R.id.letterContentTextViewArrayB).setVisibility(View.GONE);
    }
    else
    {
        findViewById(R.id.checkedB).setVisibility(View.VISIBLE);
        findViewById(R.id.notcheckedB).setVisibility(View.GONE);
        findViewById(R.id.letterContentTextViewArrayB).setVisibility(View.VISIBLE);
    }
} // end of showHideData(0)

and the following TextViews:

           <TextView 
                android:id="@+id/firstLetterTextViewArrayA"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/btn_a_label"
                android:clickable="true"
                android:onClick="showHideData"/>
           <TextView 
                android:id="@+id/firstLetterTextViewArrayB"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/btn_b_label"
                android:clickable="true"
                android:onClick="showHideData" />

is there a way to get showHideData(View view) to know which TextView called it?

Thank you

解决方案

public void showHideData(View view)
{
     view.getId();
     ...
}

this will return the id of the view that was clicked. So you can use a switch statement

public void showHideData(View view)
{
    switch (view.getId()) {
        case R.id.firstLetterTextViewArrayA:
        // logic for this button
        break;
        case R.id.firstLetterTextViewArrayB:
        // logic for this button
        break;
}

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