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我想清除我的應用程序中的視圖的web視圖。清除視圖中的網頁
我通過清除此:MyWebView.loadUrl("about:blank");
這招的確奏效,但其他時候,我打開模擬器這給力密切錯誤:
03-18 14:58:29.560: ERROR/AndroidRuntime(380): FATAL EXCEPTION: main
03-18 14:58:29.560: ERROR/AndroidRuntime(380): java.lang.NullPointerException
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at com.edu.WordJumbleMain$5.onClick(WordJumbleMain.java:168)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at android.view.View.performClick(View.java:2408)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at android.view.View$PerformClick.run(View.java:8816)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at android.os.Handler.handleCallback(Handler.java:587)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at android.os.Handler.dispatchMessage(Handler.java:92)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at android.os.Looper.loop(Looper.java:123)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at android.app.ActivityThread.main(ActivityThread.java:4627)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at java.lang.reflect.Method.invokeNative(Native Method)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at java.lang.reflect.Method.invoke(Method.java:521)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
03-18 14:58:29.560: ERROR/AndroidRuntime(380): at dalvik.system.NativeStart.main(Native Method)
是否有任何其他的方法來清除web視圖從視圖。
感謝
謝謝,但我將此方法添加爲MyWebView.clearView();這仍然給我同樣的錯誤。 – Raj 2011-03-18 15:30:22