afo*_*tad 14 crash android noclassdeffounderror android-appcompat
我的应用程序的某些用户遇到此崩溃,似乎可能与三星设备有关.有没有其他人遇到过这个问题并找到了解决方案?
java.lang.NoClassDefFoundError: android.support.v7.appcompat.R$layout
at android.support.v7.app.ActionBarActivityDelegateBase.ensureSubDecor(ActionBarActivityDelegateBase.java:297)
at android.support.v7.app.ActionBarActivityDelegateBase.setContentView(ActionBarActivityDelegateBase.java:225)
at android.support.v7.app.ActionBarActivity.setContentView(ActionBarActivity.java:102)
at com.afollestad.impression.ui.MainActivity.onCreate(MainActivity.java:160)
at android.app.Activity.performCreate(Activity.java:5451)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2359)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2453)
at android.app.ActivityThread.access$900(ActivityThread.java:173)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5579)
at java.lang.reflect.Method.invokeNative(Method.java)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1268)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1084)
at dalvik.system.NativeStart.main(NativeStart.java)
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第160行设置活动的内容视图.内容视图是这样的:
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.afollestad.lessen.ui.MainActivity"
android:fitsSystemWindows="true">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:minHeight="?attr/actionBarSize"
android:background="?colorPrimary"
app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="?popup_theme" />
<FrameLayout
android:id="@+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
<FrameLayout
android:layout_width="@dimen/navigation_drawer_width"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:layout_gravity="start">
<fragment
android:id="@+id/navigation_drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:name="com.afollestad.impression.fragments.NavDrawerFragment"
tools:layout="@layout/fragment_navdrawer"
android:tag="NAV_DRAWER" />
</FrameLayout>
</android.support.v4.widget.DrawerLayout>
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该片段是一个简单的列表片段.
我使用以下配置使用Proguard解决了这个问题:
-keep class !android.support.v7.internal.view.menu.**,** {*;}
-dontwarn
-ignorewarnings
-dontshrink
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使用较新版本的Gradle(在Android Studio中)启用Proguard:
android {
...
buildTypes {
debug {
...
}
release {
...
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
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proguard-rules.pro是最顶层的属性.
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