[Android]使用button切换TextView可见和不可见

 <Button

        android:id="@+id/btnTest"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="Button"

        />

    <TextView

        android:id="@+id/myTestText"

        android:layout_width="fill_parent"

        android:layout_height="30dp"

        android:text="welcome"

        android:visibility="gone"/>

button.setOnClickListener(new View.OnClickListener() {

    @Override

    public void onClick(View arg0) {

        textview.setVisibility(textview.getVisibility() == View.VISIBLE ? View.GONE : View.VISIBLE);

        或者

        if(textview.getVisibility() == View.VISIBLE)

             textview.setVisibility(View.GONE);

        else

             textview.setVisibility(View.VISIBLE);

    }

});