我正在尝试为 Android Wear 制作一个网络浏览器,并且我正在使用 Android Studio。我的膨胀代码。
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
final WatchViewStub stub = (WatchViewStub) findViewById(R.id.watch_view_stub);
stub.setOnLayoutInflatedListener(new WatchViewStub.OnLayoutInflatedListener() {
@Override
public void onLayoutInflated(WatchViewStub stub) {
webview = (WebView)findViewById(R.id.wvBrowser);
//this will set javascript enabled.
webview.getSettings().setJavaScriptEnabled(true);
//loading url to google.com
webview.loadUrl("https://www.google.com");
webview.getSettings().setLoadWithOverviewMode(true);
webview.getSettings().setUseWideViewPort(true);
webview.setWebViewClient(new WebViewClient() {
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
Toast.makeText(getApplicationContext(), "Oh no! " + description, Toast.LENGTH_SHORT).show();
}
});
完整的错误如下:
android.view.InflateException: Binary XML file line #11: Error inflating class android.webkit.WebView
at android.view.LayoutInflater.createView(LayoutInflater.java:620)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:57)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.wearable.view.WatchViewStub.inflate(WatchViewStub.java:131)
at android.support.wearable.view.WatchViewStub.onMeasure(WatchViewStub.java:141)
at android.view.View.measure(View.java:16648)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:16648)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2338)
at android.view.View.measure(View.java:16648)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1959)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1145)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1340)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1032)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5657)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
at android.view.Choreographer.doCallbacks(Choreographer.java:574)
at android.view.Choreographer.doFrame(Choreographer.java:544)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5026)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:57)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.wearable.view.WatchViewStub.inflate(WatchViewStub.java:131)
at android.support.wearable.view.WatchViewStub.onMeasure(WatchViewStub.java:141)
at android.view.View.measure(View.java:16648)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:16648)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2338)
at android.view.View.measure(View.java:16648)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1959)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1145)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1340)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1032)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5657)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
at android.view.Choreographer.doCallbacks(Choreographer.java:574)
at android.view.Choreographer.doFrame(Choreographer.java:544)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5026)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.UnsupportedOperationException
at com.android.webview.nullwebview.NullWebViewFactoryProvider.createWebView(NullWebViewFactoryProvider.java:41)
at android.webkit.WebView.ensureProviderCreated(WebView.java:2062)
at android.webkit.WebView.setOverScrollMode(WebView.java:2120)
at android.view.View.<init>(View.java:3461)
at android.view.View.<init>(View.java:3517)
at android.view.ViewGroup.<init>(ViewGroup.java:470)
at android.widget.AbsoluteLayout.<init>(AbsoluteLayout.java:52)
at android.webkit.WebView.<init>(WebView.java:498)
at android.webkit.WebView.<init>(WebView.java:475)
at android.webkit.WebView.<init>(WebView.java:455)
at android.webkit.WebView.<init>(WebView.java:444)
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:57)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:669)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:694)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.wearable.view.WatchViewStub.inflate(WatchViewStub.java:131)
at android.support.wearable.view.WatchViewStub.onMeasure(WatchViewStub.java:141)
at android.view.View.measure(View.java:16648)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at android.view.View.measure(View.java:16648)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2338)
at android.view.View.measure(View.java:16648)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1959)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1145)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1340)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1032)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5657)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
at android.view.Choreographer.doCallbacks(Choreographer.java:574)
at android.view.Choreographer.doFrame(Choreographer.java:544)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5026)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
at dalvik.system.NativeStart.main(Native Method)
我已在 xml 中放入正确的 id 作为 wvBrowser,并且我在 android Manifest xml 文件中拥有用户权限。有人知道问题所在吗?
您无法在可穿戴设备上使用 WebView,请在此处查看不可用功能列表:https://developer.android.com/training/wearables/apps/index.html https://developer.android.com/training/wearables/apps/index.html
此外,您无法直接从可穿戴设备连接到互联网,它无法访问互联网,只能从配套的手持设备接收数据。
编辑:
实际上,我只看到一种方法:
- 在手持设备上加载 html 页面并使用 Wearable.DataApi 将其传输到可穿戴设备
- 使用(可以定制)第三方 html 库在可穿戴设备上显示页面。项目可能来自这个答案 https://stackoverflow.com/a/25666998/2548988在这里会有用。
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