我有一些表示星期几的切换按钮。
当用户单击ToggleButton
时,我希望它切换状态并更改颜色,以向用户指示它已被单击。
这是我的ToggleButton
之一:
<ToggleButton
android:id="@+id/toggleButton_monday"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="16dp"
android:background="@drawable/button_border"
android:textOff="MON"
android:textOn="MON"
app:layout_constraintEnd_toStartOf="@+id/toggleButton_tuesday"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView10" />
我希望按钮在单击后看起来像这样(我想要相同的边框和形状,但只是改变了不同的颜色和状态):
答案here不起作用,因为我已经为切换按钮设置了android:background
,以显示按钮周围的自定义边框。
答案here不起作用,因为我使用的是ToggleButton
而不是SwitchCompat
编辑:
这是当前android:background
的{{1}}设置:
ToggleButton
编辑:解决方案
谢谢@Broken和@Moustafa Shahin,我结合了他们的答案。
首先,我为ToggleButtons <?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
<corners
android:radius="10dp"
/>
<solid
android:color="#FFFFFF"
/>
<padding
android:left="0dp"
android:top="0dp"
android:right="0dp"
android:bottom="0dp"
/>
<size
android:width="75dp"
android:height="40dp"
/>
<stroke
android:width="3dp"
android:color="#878787"
/>
</shape>
和toggle_button_default.xml
创建了两个资源文件(请在上面的第一个EDIT中检查代码)。基本上,两种XML的背景色是不同的。
第二,我创建了一个名为toggle_button_checked.xml
的选择器,并加载了我在上面创建的相应资源文件:
toggle_button_state.xml
最后,对于我的ToggleButton,我将<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- WHEN IS CHECKED -->
<item android:drawable="@drawable/toggle_button_default" android:state_checked="false" />
<!-- WHEN IS NOT CHECKED -->
<item android:drawable="@drawable/toggle_button_checked" android:state_checked="true" />
</selector>
设置为它们的背景:
toggle_button_state
在“活动”中,我有一个<ToggleButton
android:id="@+id/toggleButton_monday"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="8dp"
android:background="@drawable/toggle_button_state"
android:textOff="MON"
android:textOn="MON"/>
方法,可用于监视点击次数:
onClick
答案 0 :(得分:1)
您可以创建2个后台资源文件,并根据状态进行更改:
ToggleButton toggle = (ToggleButton) findViewById(R.id.togglebutton);
toggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
// The toggle is enabled
//the background resource which mean status is enable
} else {
// The toggle is disabled
//the background resource which mean status is disabled
}
}
});
答案 1 :(得分:1)
You have to create new file in drawable
directory with list of states.
You can name it toggle_background.xml
:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- WHEN IS CHECKED -->
<item android:drawable="@color/colorPrimary" android:state_checked="false" />
<!-- WHEN IS NOT CHECKED -->
<item android:drawable="@color/colorAccent" android:state_checked="true" />
</selector>
Above file you can use as background
of ToggleButton
:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ToggleButton
android:id="@+id/toggleButton_monday"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/toggle_background"
android:textOff="ON"
android:textOn="OFF" />
</LinearLayout>
By default button has grey border. When would you like to remove it just add:
style="?android:attr/borderlessButtonStyle"
to your ToggleButton
in xml file.
You can also add OnCheckedChangeListener
. If you have many buttons you can add all of them to the list, and in loop add that same listener for all of them:
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.widget.CompoundButton;
import android.widget.ToggleButton;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private List<ToggleButton> listOfButtons = new ArrayList<>();
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Add ToggleButtons to list
listOfButtons.add(findViewById(R.id.toggleButton_monday));
// Create listener for all of them
CompoundButton.OnCheckedChangeListener listener = (buttonView, isChecked) -> {
// Do something
};
// Add listener to all od buttons
for (ToggleButton button : listOfButtons) {
button.setOnCheckedChangeListener(listener);
}
}
}
答案 2 :(得分:0)
如果您正在寻找一种优雅的方法来执行此操作,则可能要尝试使用GridView。...
<GridView
android:id="@+id/gridview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:columnWidth="100dp"
android:numColumns="auto_fit"
android:verticalSpacing="24dp"
android:horizontalSpacing="10dp"
android:stretchMode="spacingWidthUniform"
/>
...,这将使您可以以使项目更轻松地遍历项目的方式填充项目的布局。您可以创建一个自定义适配器并将其分配给gridview:
GridView gridview = findViewById(R.id.gridview);
MyCustomAdapter _Adapter = new MyCustomAdapter(getApplicationContext());
gridview.setAdapter(_Adapter);
这将允许您在一个位置为所有按钮设置一个onClickListener:
gridview.setOnItemClickListener((parent, view, position, id) -> {
_Adapter.toggleItem(position);
});
您可以找到有关创建自定义gridview适配器here
的深入教程。