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用过 Android 自带 WebView 的都知道,每次加载数据过多时,等待时间非常久,体验非常差。所以腾讯推出了:腾讯浏览服务,也就是 X5WebView ;下面来看一下效果图:
GitHub 下载地址:https://github.com/wuqingsen/X5WebView
1. 下载jar包及so文件
打开官网,下载 jar 包和 so 文件,下载地址为:https://x5.tencent.com/tbs/sdk.html
下载完毕将 jar 包和 so 文件分别复制到 libs 和 jniLibs 文件夹下,如下图所示:
2. 新建类Application
新建类 MyAplication 在里面启动 x5WebView 内核加载:
- public class MyApplication extends Application {
-
- @Override
- public void onCreate() {
- super.onCreate();
- initX5WebView();
- }
-
- private void initX5WebView() {
- //搜集本地tbs内核信息并上报服务器,服务器返回结果决定使用哪个内核。
- QbSdk.PreInitCallback cb = new QbSdk.PreInitCallback() {
- @Override
- public void onViewInitFinished(boolean arg0) {
- //x5內核初始化完成的回调,为true表示x5内核加载成功,否则表示x5内核加载失败,会自动切换到系统内核。
- if (arg0) {
- Log.e("=====myApp", " x5WebView内核加载成功" + arg0);
- } else {
- Log.e("=====myApp", " x5WebView内核加载失败" + arg0);
- }
- }
-
- @Override
- public void onCoreInitFinished() {
- }
- };
- //x5内核初始化接口
- QbSdk.initX5Environment(getApplicationContext(), cb);
- }
- }

别忘了在 AndroidManfest.xml 文件中应用:
3. 加入权限
在 AndroidManfest.xml 文件中加入相应的权限:
- <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
- <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
- <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
- <uses-permission android:name="android.permission.INTERNET" />
- <uses-permission android:name="android.permission.READ_PHONE_STATE" />
4. 重写 webView
重写 webView 类,名字为 X5webView,( 注意:不要把包名导入错了 ):
- import android.annotation.SuppressLint;
- import android.content.Context;
- import android.util.AttributeSet;
-
- import com.tencent.smtt.sdk.WebSettings;
- import com.tencent.smtt.sdk.WebView;
- import com.tencent.smtt.sdk.WebViewClient;
-
- /**
- * author: wu
- * date: on 2019/2/13.
- * describe:腾讯X5WebView封装
- */
- public class X5WebView extends WebView {
-
- private WebViewClient client = new WebViewClient() {
- /**
- * 防止加载网页时调起系统浏览器
- */
- public boolean shouldOverrideUrlLoading(WebView view, String url) {
- view.loadUrl(url);
- return true;
- }
- };
-
- @SuppressLint("SetJavaScriptEnabled")
- public X5WebView(Context arg0, AttributeSet arg1) {
- super(arg0, arg1);
- this.setWebViewClient(client);
- // this.setWebChromeClient(chromeClient);
- // WebStorage webStorage = WebStorage.getInstance();
- initWebViewSettings();
- this.getView().setClickable(true);
- }
-
- private void initWebViewSettings() {
- WebSettings webSetting = this.getSettings();
- webSetting.setJavaScriptEnabled(true);
- webSetting.setJavaScriptCanOpenWindowsAutomatically(true);
- webSetting.setAllowFileAccess(true);
- webSetting.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
- webSetting.setSupportZoom(true);
- webSetting.setBuiltInZoomControls(true);
- webSetting.setUseWideViewPort(true);
- webSetting.setSupportMultipleWindows(true);
- // webSetting.setLoadWithOverviewMode(true);
- webSetting.setAppCacheEnabled(true);
- // webSetting.setDatabaseEnabled(true);
- webSetting.setDomStorageEnabled(true);
- webSetting.setGeolocationEnabled(true);
- webSetting.setAppCacheMaxSize(Long.MAX_VALUE);
- // webSetting.setPageCacheCapacity(IX5WebSettings.DEFAULT_CACHE_CAPACITY);
- webSetting.setPluginState(WebSettings.PluginState.ON_DEMAND);
- // webSetting.setRenderPriority(WebSettings.RenderPriority.HIGH);
- webSetting.setCacheMode(WebSettings.LOAD_NO_CACHE);
-
- // this.getSettingsExtension().setPageCacheCapacity(IX5WebSettings.DEFAULT_CACHE_CAPACITY);//extension
- // settings 的设计
- }
-
- public X5WebView(Context arg0) {
- super(arg0);
- setBackgroundColor(85621);
- }
- }

5. 在 xml 文件中加入 X5WebView
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical">
-
- <ProgressBar
- android:id="@+id/progressBar"
- style="?android:attr/progressBarStyleHorizontal"
- android:layout_width="fill_parent"
- android:layout_height="5dp"
- android:indeterminateOnly="false"
- android:max="100"
- android:progressDrawable="@drawable/progress_bar_states" />
-
- <com.example.qd.webviewx5.X5WebView
- android:id="@+id/x5WebView"
- android:layout_width="match_parent"
- android:layout_height="match_parent" />
-
- </LinearLayout>

下面是进度条的样式 progress_bar_states :
- <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="#FF1D9AFF"
- android:endColor="#FF1D9AFF"
- android:startColor="#FF1D9AFF" />
- </shape>
- </clip>
- </item>
- </layer-list>

6. activity 中加入代码
在对应 activity 中加入代码,代码中包括启动加速、设置进度条、设置点击事件和加载错误的设置 ( 注意:包不要导入错了 ) 。
- import com.tencent.smtt.export.external.interfaces.WebResourceError;
- import com.tencent.smtt.export.external.interfaces.WebResourceRequest;
- import com.tencent.smtt.sdk.WebChromeClient;
- import com.tencent.smtt.sdk.WebView;
- import com.tencent.smtt.sdk.WebViewClient;
-
- public class MainActivity extends AppCompatActivity {
- private X5WebView mX5WebView;
- private ProgressBar progressBar;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- mX5WebView = findViewById(R.id.x5WebView);
- progressBar = findViewById(R.id.progressBar);
- mX5WebView.loadUrl("https://blog.csdn.net/wuqingsen1");
-
- initX5WebView();
- setProgressBar();
- setClick();
- }
-
- /**
- * 启用硬件加速
- */
- private void initX5WebView() {
- try {
- if (Integer.parseInt(android.os.Build.VERSION.SDK) >= 11) {
- getWindow()
- .setFlags(
- android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
- android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
- }
- } catch (Exception e) {
- }
- }
-
- /**
- * 设置进度条
- */
- private void setProgressBar() {
- mX5WebView.setWebChromeClient(new WebChromeClient(){
- @Override
- public void onProgressChanged(WebView view, int newProgress) {
- //显示进度条
- if (newProgress < 100) {
- progressBar.setProgress(newProgress);
- progressBar.setVisibility(View.VISIBLE);
- }else {
- progressBar.setVisibility(View.GONE);
- }
- }
- });
- }
-
- /**
- * 点击事件
- */
- private void setClick() {
- mX5WebView.setWebViewClient(new WebViewClient(){
- @Override
- public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
- return super.shouldOverrideUrlLoading(view, request);
- //点击事件
- }
-
- @Override
- public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
- super.onReceivedError(view, request, error);
- //加载错误
- }
- });
- }
-
- /**
- * 返回键监听
- */
- @Override
- public boolean onKeyDown(int keyCode, KeyEvent event) {
- if (keyCode == KeyEvent.KEYCODE_BACK) {
- if (mX5WebView != null && mX5WebView.canGoBack()) {
- mX5WebView.goBack();
- return true;
- } else {
- return super.onKeyDown(keyCode, event);
- }
- }
- return super.onKeyDown(keyCode, event);
- }
-
- @Override
- protected void onDestroy() {
- //释放资源
- if (mX5WebView != null)
- mX5WebView.destroy();
- super.onDestroy();
- }
- }

这样 X5WebView 就可以使用了。
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