js调用原生android方法

java
public class MainActivity extends AppCompatActivity {
    protected void onCreate(Bundle savedInstanceState) {
        WebView webView = new WebView(this);
        //  允许WebView加载JavaScript
        webView.getSettings().setJavaScriptEnabled(true);
        webView.setWebViewClient(new WebViewClient() {});
        webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
        webView.getSettings().setDomStorageEnabled(true);
        webView.getSettings().setAppCacheEnabled(true);
        webView.addJavascriptInterface(this,"android");
        webView.loadUrl("http://192.168.110.88:82/index.html");
        setContentView(webView);
    }

    //打印信息方@Override
    @JavascriptInterface
    public void print(String msg) {
        Toast.makeText( this, "默认Toast样式", Toast.LENGTH_SHORT).show();
        System.out.println(msg);
    }
}



html
    Hello Android！