[英]Android: onClick event listener doesn't work on linearlayout
I am trying to implement an onclick for the entire layout but it won't work.我正在尝试为整个布局实现 onclick,但它不起作用。
Here is my function for my RelativeLayout:这是我的RelativeLayout 函数:
public void updateRange(View v)
{
System.out.println("Hello!");
}
and here is my xml:这是我的 xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context=".MainActivity"
android:background="#ffffffff"
android:id="@+id/xasdf"
android:onClick="updateRange">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/toptab"
android:orientation="horizontal">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Settings"
android:fontFamily="monospace"
android:textAllCaps="false"
android:layout_weight="0.333333"
android:id="@+id/settingsButton"
android:background="#fffdb64b" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Solutions"
android:fontFamily="monospace"
android:textAllCaps="false"
android:layout_weight="0.333333"
android:id="@+id/solutionsButton"
android:background="#fffdb64b" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Mode"
android:fontFamily="monospace"
android:textAllCaps="false"
android:layout_weight="0.333333"
android:id="@+id/modeButton"
android:background="#fffdb64b" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:gravity="center_vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/chartlayout"
android:layout_below="@+id/toptab"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:weightSum="1"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true">
<EditText
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:id="@+id/textView"
android:layout_weight="0.5"
android:background="#ffffffff"
android:fontFamily="monospace"
android:hint="y = ..." />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Graph"
android:fontFamily="monospace"
android:textAllCaps="false"
android:layout_weight="0.25"
android:id="@+id/button"
android:background="#ffd0d0d0"
android:onClick="drawGraph" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Table"
android:fontFamily="monospace"
android:layout_weight="0.25"
android:textAllCaps="false"
android:id="@+id/button2"
android:background="#ffd0d0d0" />
</LinearLayout>
</RelativeLayout>
Try adding the extra line below to your Relative Layout
description:尝试将下面的额外行添加到您的Relative Layout
描述中:
...
android:onClick="updateRange"
android:clickable="true">
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