我的自定义WebView类出现错误:
java.lang.RuntimeException: 无法启动活动 ComponentInfo{com.example.ates.aaa/com.example.ates.aaa.MainActivity}:android.view.InflateException:二进制XML文件第9行:Error inflating class com.example.ates.aaa.MyWebView
MyWebView:
public class MyWebView extends WebView {
public MyWebView(Context context) {
super(context);
}
}
主活动:
MyWebView wv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
wv = (MyWebView) findViewById(R.id.myWebView);
wv.loadUrl("www.google.com");
}
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="16dp"
android:paddingRight="16dp" >
<com.example.ates.aaa.MyWebView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/myWebView" />
</RelativeLayout>
完整的堆栈跟踪:
04-06 11:50:46.267 8818-8818/com.example.ates.aaa D/dalvikvm: Late-enabling CheckJNI
04-06 11:50:46.283 8818-8818/com.example.ates.aaa W/dalvikvm: VFY: unable to find class referenced in signature (Landroid/view/SearchEvent;)
04-06 11:50:46.283 8818-8818/com.example.ates.aaa I/dalvikvm: Could not find method android.view.Window$Callback.onSearchRequested, referenced from method android.support.v7.view.WindowCallbackWrapper.onSearchRequested
04-06 11:50:46.283 8818-8818/com.example.ates.aaa W/dalvikvm: VFY: unable to resolve interface method 18801: Landroid/view/Window$Callback;.onSearchRequested (Landroid/view/SearchEvent;)Z
04-06 11:50:46.283 8818-8818/com.example.ates.aaa D/dalvikvm: VFY: replacing opcode 0x72 at 0x0002
04-06 11:50:46.283 8818-8818/com.example.ates.aaa I/dalvikvm: Could not find method android.view.Window$Callback.onWindowStartingActionMode, referenced from method android.support.v7.view.WindowCallbackWrapper.onWindowStartingActionMode
04-06 11:50:46.283 8818-8818/com.example.ates.aaa W/dalvikvm: VFY: unable to resolve interface method 18805: Landroid/view/Window$Callback;.onWindowStartingActionMode (Landroid/view/ActionMode$Callback;I)Landroid/view/ActionMode;
04-06 11:50:46.283 8818-8818/com.example.ates.aaa D/dalvikvm: VFY: replacing opcode 0x72 at 0x0002
04-06 11:50:46.303 8818-8818/com.example.ates.aaa D/AndroidRuntime: Shutting down VM
04-06 11:50:46.303 8818-8818/com.example.ates.aaa W/dalvikvm: threadid=1: thread exiting with uncaught exception (group=0xa62f4288)
04-06 11:50:46.331 8818-8818/com.example.ates.aaa E/AndroidRuntime:
FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.ates.aaa/com.example.ates.aaa.MainActivity}: android.view.InflateException: Binary XML file line #9: Error inflating class com.example.ates.aaa.MyWebView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
at android.app.ActivityThread.access$600(ActivityThread.java:130)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4745)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class com.example.ates.aaa.MyWebView
at android.view.LayoutInflater.createView(LayoutInflater.java:596)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:267)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:129)
at com.example.ates.aaa.MainActivity.onCreate(MainActivity.java:20)
at android.app.Activity.performCreate(Activity.java:5008)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
at android.app.ActivityThread.access$600(ActivityThread.java:130)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4745)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NoSuchMethodException: <init> [class android.content.Context, interface android.util.AttributeSet]
at java.lang.Class.getConstructorOrMethod(Class.java:460)
at java.lang.Class.getConstructor(Class.java:431)
at android.view.LayoutInflater.createView(LayoutInflater.java:561)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:267)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:129)
at com.example.ates.aaa.MainActivity.onCreate(MainActivity.java:20)
at android.app.Activity.performCreate(Activity.java:5008)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
at android.app.ActivityThread.access$600(ActivityThread.java:130)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4745)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
04-06 11:50:46.351 8818-8821/com.example.ates.aaa D/dalvikvm: GC_CONCURRENT freed 229K, 3% free 10898K/11207K, paused 10ms+0ms, total 12ms
04-06 11:55:46.391 8818-8818/? I/Process: Sending signal. PID: 8818 SIG: 9