安卓webView加载HTML数据

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.webkit.WebSettings;
import android.webkit.WebView;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
String html="<title>TextView使用HTML</title>";
WebView descriptionView=(WebView) this.findViewById(R.id.Webview);
WebSettings ws = descriptionView.getSettings();
ws.setJavaScriptEnabled(false);
ws.setAllowFileAccess(true);
ws.setBuiltInZoomControls(false);
ws.setSupportZoom(false);
ws.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
ws.setDefaultTextEncodingName("utf-8"); //设置文本编码
ws.setAppCacheEnabled(true);
ws.setCacheMode(WebSettings.LOAD_DEFAULT);//设置缓存模式</span>
descriptionView.loadDataWithBaseURL(null,html, "text/html", "utf-8",null);
}
}