包含布局中元素的公共类 [英] Common class for elements in include layout
问题描述
我有一个布局工具栏,我在xml中使用的每个页面都使用它。
这个布局中有一些按钮,我想创建一个类来处理toolbar.xml中按钮的按钮点击。这可能吗?如果有,怎么样?
I have a layout toolbar which I use in every pages using in xml. There are some buttons in this layout and I want to create a class which takes care of the button clicks of the buttons in toolbar.xml . Is this possible? If yes how?
这是我的xml文件代码:
This is my code of the xml file:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<RelativeLayout
android:id="@+id/rl"
android:layout_width="match_parent"
android:layout_height="56dp">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="110dp"
android:layout_above="@+id/relativeLayout2"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:background="#ffa500"
android:minHeight="?attr/actionBarSize"
android:theme="?attr/actionBarTheme"
android:visibility="visible" />
<EditText
android:id="@+id/editText"
android:layout_width="match_parent"
android:layout_height="35dp"
android:layout_alignBottom="@+id/toolbar"
android:layout_centerHorizontal="true"
android:layout_marginBottom="10dp"
android:background="@drawable/round_edges"
android:ems="10"
android:hint="Search"
android:imeOptions="actionSearch"
android:inputType="textPersonName"
android:paddingLeft="10dp"
android:visibility="invisible"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"/>
</RelativeLayout>
<ImageButton
android:id="@+id/button2"
android:layout_width="56dp"
android:layout_height="56dp"
android:layout_alignParentTop="true"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_toLeftOf="@+id/button1"
android:layout_toStartOf="@+id/button1"
android:background="@android:color/transparent"
android:src="@mipmap/cart" />
<ImageButton
android:id="@+id/button1"
android:layout_width="56dp"
android:layout_height="56dp"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:background="@android:color/transparent"
android:src="@mipmap/contact" />
<ImageButton
android:id="@+id/button3"
android:layout_width="56dp"
android:layout_height="56dp"
android:layout_alignParentTop="true"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_toLeftOf="@+id/button2"
android:layout_toStartOf="@+id/button2"
android:background="@android:color/transparent"
android:src="@mipmap/search" />
<ImageButton
android:id="@+id/button4"
android:layout_width="56dp"
android:layout_height="56dp"
android:layout_alignParentTop="true"
android:layout_marginEnd="9dp"
android:layout_marginRight="9dp"
android:layout_toLeftOf="@+id/button3"
android:layout_toStartOf="@+id/button3"
android:background="@android:color/transparent"
android:src="@mipmap/phone" />
<ImageButton
android:id="@+id/button0"
android:layout_width="56dp"
android:layout_height="56dp"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:background="@android:color/transparent"
android:src="@mipmap/ic_launcher" />
</RelativeLayout>
推荐答案
当然可以,但是对于每一个行动你都必须从调用该操作的activity / fragment传递上下文。
Of course you can, but for every action you must pass the context from the activity/fragment which are calling that action.
从布局中处理editText和button1的类的示例(您可以自己添加的其他元素)
Example of class for handling editText and button1 from your layout(other elements you can add yourself)
public class TestClass {
public void getEditText(Context context, View view){
EditText et = (EditText) view.findViewById(R.id.editText);
Toast.makeText(context,"Here I handle editText!",Toast.LENGTH_SHORT).show();
}
public void setImageButton(final Context context, View view){
ImageButton imageButton = (ImageButton) view.findViewById(R.id.button1);
imageButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// do something
Toast.makeText(context,"button1 clicked!",Toast.LENGTH_SHORT).show();
}
});
}
}
你叫这个您的活动中的方法如下:
You call this methods from your activity like this:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TestClass tc = new TestClass();
tc.getEditText(this,findViewById(android.R.id.content));
tc.setImageButton(this,findViewById(android.R.id.content));
}
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