Android 4.4 webview 显示问题

/*获取当前系统的android版本号*/
int currentapiVersion=android.os.Build.VERSION.SDK_INT;
if (currentapiVersion >= 19) {
webView.getSettings().setUseWideViewPort(true);
//webView.getSettings().setLoadWithOverviewMode(true);
}

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public static void setting(WebView webView) {
webView.getSettings().setDefaultTextEncodingName("utf-8");
webView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
webView.getSettings().setBuiltInZoomControls(true);
webView.getSettings().setSupportZoom(true);
webView.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
//		webView.setInitialScale(100);

int currentapiVersion = android.os.Build.VERSION.SDK_INT;
//if (false)
if (currentapiVersion >= 19) {
webView.getSettings().setUseWideViewPort(true);
//webView.getSettings().setLoadWithOverviewMode(true);
}
webView.getSettings().setJavaScriptEnabled(true);
webView.setWebViewClient(new WebViewClient() {

@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return true;
}

});
}