带进度条的WebView
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布局文件
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<WebView
android:id="@+id/webView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="2dp"
android:progressDrawable="@drawable/webview_progressbar"
android:visibility="gone" />
</RelativeLayout>
Java代码
public class MainActivity extends AppCompatActivity
private WebView webView;
private ProgressBar progressBar;
@Override
protected void onCreate(Bundle savedInstanceState)
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initWebView();
webView.loadUrl("http://3g.qq.com");
private void initView()
webView = (WebView) findViewById(R.id.webView);
progressBar = (ProgressBar) findViewById(R.id.progressBar);
private void initWebView()
//设置支持javascript
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
//应用内打开URL
webView.setWebViewClient(new WebViewClient()
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request)
view.loadUrl(String.valueOf(request.getUrl()));
return true;
);
//获取网页属性
webView.setWebChromeClient(new WebChromeClient()
//加载进度
@Override
public void onProgressChanged(WebView view, int newProgress)
if (newProgress == 100)
progressBar.setVisibility(View.GONE);
return;
progressBar.setVisibility(View.VISIBLE);
progressBar.setProgress(newProgress);
//获取网页标题
@Override
public void onReceivedTitle(WebView view, String title)
MainActivity.this.setTitle(title);
);
@Override
public void onBackPressed()
if (webView.canGoBack())
webView.goBack();
return;
super.onBackPressed();
背景文件
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:id="@android:id/background">
<shape>
<corners android:radius="2dp" />
<gradient
android:angle="270"
android:centerColor="#E3E3E3"
android:endColor="#E6E6E6"
android:startColor="#C8C8C8" />
</shape>
</item>
<item android:id="@android:id/progress">
<clip>
<shape>
<corners android:radius="2dp" />
<gradient
android:centerColor="#4AEA2F"
android:endColor="#31CE15"
android:startColor="#5FEC46" />
</shape>
</clip>
</item>
</layer-list>
效果图
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