Kevin Learn Android：Switch/Switc

效果图

1. track_on.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#FD751F" />
    <corners android:radius="25dp"/>
</shape>

2. track_off.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#E3E3E3" />
    <corners android:radius="25dp" />
</shape>

3. switch_ios_track_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/track_on" android:state_checked="true" />
    <item android:drawable="@drawable/track_off" android:state_checked="false" />
</selector>

4. switch_ios_thumb.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">
    <solid android:color="#FFF" />
    <stroke
        android:width="3dp"
        android:color="#00000000" />
    <size
        android:width="50dp"
        android:height="50dp" />
</shape>

5. main_activity.xml

<?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"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical">

    <TextView
        android:id="@+id/switch_tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="switch:" />
    <Switch
        android:layout_marginTop="10dp"
        android:layout_below="@+id/switch_tv"
        android:id="@+id/switch1"
        android:typeface="normal"
        android:textOff="开"
        android:textOn="关"
        android:switchMinWidth="40dp"
        android:switchPadding="10dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <TextView
        android:layout_below="@+id/text"
        android:id="@+id/switch_compat_tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:text="switchCompat:" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/switchLanguage"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/text"
        android:layout_alignParentRight="true"
        android:textOff="繁"
        android:textOn="简"
        android:thumb="@drawable/switch_ios_thumb"
        app:showText="true"
        app:switchTextAppearance="@style/switchStyle"
        app:track="@drawable/switch_ios_track_selector" />

</LinearLayout>

6. MainActivity.java

public class MainActivity extends AppCompatActivity {

    @BindView(R.id.switch1)
    Switch mSwitch;
    @BindView(R.id.switchLanguage)
    SwitchCompat mSwitchCompat;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
    }

    @OnCheckedChanged({R.id.switch1,R.id.switchLanguage})
    public void onSwitchCheck(CompoundButton view, boolean isChanged) {
        switch (view.getId()) {
            case R.id.switch1:
                if (isChanged) {
                    Toast.makeText(this,"turn on",Toast.LENGTH_SHORT).show();
                }else {
                    Toast.makeText(this,"turn off",Toast.LENGTH_SHORT).show();
                }
                break;

            case R.id.switchLanguage:
                if (isChanged) {
                    Toast.makeText(this,"turn on",Toast.LENGTH_SHORT).show();
                }else {
                    Toast.makeText(this,"turn off ",Toast.LENGTH_SHORT).show();
                }
                break;
            default:
                break;
        }
    }


}