异常logcat:
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewGroup.drawChild(ViewGroup.java:2850)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.View.getDisplayList(View.java:10420)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewGroup.drawChild(ViewGroup.java:2850)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.View.getDisplayList(View.java:10420)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewGroup.drawChild(ViewGroup.java:2850)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.View.draw(View.java:10986)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.widget.FrameLayout.draw(FrameLayout.java:450)
10-14 09:48:06.092: E/AndroidRuntime(1597): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2127)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.View.getDisplayList(View.java:10422)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.HardwareRenderer$GlRenderer.draw(HardwareRenderer.java:842) //硬件加速
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2039)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1763)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2580)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.os.Handler.dispatchMessage(Handler.java:99)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.os.Looper.loop(Looper.java:137)
10-14 09:48:06.092: E/AndroidRuntime(1597): at android.app.ActivityThread.main(ActivityThread.java:4424)
10-14 09:48:06.092: E/AndroidRuntime(1597): at java.lang.reflect.Method.invokeNative(Native Method)
10-14 09:48:06.092: E/AndroidRuntime(1597): at java.lang.reflect.Method.invoke(Method.java:511)
10-14 09:48:06.092: E/AndroidRuntime(1597): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
10-14 09:48:06.092: E/AndroidRuntime(1597): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
10-14 09:48:06.092: E/AndroidRuntime(1597): at dalvik.system.NativeStart.main(Native Method)
这个问题是Google4.0原生的FW Bug。大概就是4.0之后默认开启硬件加速功能。
导致在eclipse里面编译没有,在源代码中编译有,后来找到原因,是源码编译打开了硬件加速导致的
解决方法1 java中:
View.setLayerType(View.LAYER_TYPE_SOFTWARE, null); //View 就是你的view
解决方法2AndroidManifest.xml中 :
就是在AndroidManifest.xml中禁用硬件加速,可以写在Application标签里,也可以写在Activity里
android:hardwareAccelerated = "false"