public class MainActivity extends AppCompatActivity {
    RMSwitch mSwitch;
    RMTristateSwitch mTristateSwitch;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        mSwitch = (RMSwitch) findViewById(R.id.your_id);
        mTristateSwitch = (RMTristateSwitch) findViewById(R.id.your_id2);
        
        
        // Setup the switch
        mSwitch.setChecked(true);
        mSwitch.setEnabled(true);
        mSwitch.setForceAspectRatio(false);
        mSwitch.setSwitchBkgCheckedColor(Color.GREEN);
        mSwitch.setSwitchBkgNotCheckedColor(Color.RED);
        mSwitch.setSwitchToggleCheckedColor(Color.BLACK);
        mSwitch.setSwitchToggleNotCheckedColor(Color.BLACK);
        mSwitch.setSwitchDesign(RMTristateSwitch.DESIGN_ANDROID);
        
        
        // You can choose if use drawable or drawable resource
        //mSwitch.setSwitchToggleCheckedDrawableRes(android.R.drawable.ic_media_next);
        mSwitch.setSwitchToggleCheckedDrawable(ContextCompat.getDrawable(this, android.R.drawable.ic_media_next));
        
        //mSwitch.setSwitchToggleNotCheckedDrawableRes(android.R.drawable.ic_media_previous);
        mSwitch.setSwitchToggleNotCheckedDrawable(ContextCompat.getDrawable(this, android.R.drawable.ic_media_previous));
        
        
        // Setup the tristate switch
        mTristateSwitch.setState(RMTristateSwitch.STATE_LEFT);
        mTristateSwitch.setForceAspectRatio(true);
        mTristateSwitch.setEnabled(true);
        mTristateSwitch.setRightToLeft(false);
        mTristateSwitch.setSwitchDesign(RMTristateSwitch.DESIGN_LARGE);
        mTristateSwitch.setSwitchToggleLeftColor(Color.DKGRAY);
        mTristateSwitch.setSwitchToggleMiddleColor(Color.DKGRAY);
        mTristateSwitch.setSwitchToggleRightColor(Color.DKGRAY);
        mTristateSwitch.setSwitchBkgLeftColor(Color.LTGRAY);
        mTristateSwitch.setSwitchBkgMiddleColor(Color.LTGRAY);
        mTristateSwitch.setSwitchBkgRightColor(Color.LTGRAY);
        
        
        // You can choose if use drawable or drawable resource
        //mTristateSwitch.setSwitchToggleLeftDrawableRes(android.R.drawable.ic_media_previous);
        mTristateSwitch.setSwitchToggleLeftDrawable(ContextCompat.getDrawable(this, android.R.drawable.ic_media_previous));
        
        //mTristateSwitch.setSwitchToggleMiddleDrawableRes(android.R.drawable.ic_media_play);
        mTristateSwitch.setSwitchToggleMiddleDrawable(ContextCompat.getDrawable(this, android.R.drawable.ic_media_play));
        
        //mTristateSwitch.setSwitchToggleRightDrawableRes(android.R.drawable.ic_media_next);
        mTristateSwitch.setSwitchToggleRightDrawable(ContextCompat.getDrawable(this, android.R.drawable.ic_media_next));
        
        
        // Add a Switch state observer
        mSwitch.addSwitchObserver(new RMSwitch.RMSwitchObserver() {
            @Override
            public void onCheckStateChange(RMSwitch switchView, boolean isChecked) {
                                Toast.makeText(MainActivity.this, 
                                        "Switch state: " + 
                                        (isChecked ? "checked" : "not checked"), Toast.LENGTH_LONG)
                                        .show();
            }
        });
        
        mTristateSwitch.addSwitchObserver(new RMTristateSwitch.RMTristateSwitchObserver() {
            @Override
            public void onCheckStateChange(RMTristateSwitch switchView, @RMTristateSwitch.State int state) {
                Toast
                        .makeText(MainActivity.this,
                                state == RMTristateSwitch.STATE_LEFT ?
                                        "Left" :
                                        state == RMTristateSwitch.STATE_MIDDLE ?
                                                "Middle" :
                                                "Right",
                                Toast.LENGTH_SHORT).show();
            }
        });
    }
}