Android-猜日志,处理找不到RippleDrawable类的问题

1.现象

程序异常退出，LogCat中日志如下：

09-27 07:08:18.608 7529-7529/com.tangula.android.base I/dalvikvm: Could not find method android.content.res.Resources.getDrawable, referenced from method android.support.v7.widget.ResourcesWrapper.getDrawable
09-27 07:08:18.608 7529-7529/com.tangula.android.base W/dalvikvm: VFY: unable to resolve virtual method 852: Landroid/content/res/Resources;.getDrawable (ILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;09-2707:08:18.6087529-7529/com.tangula.android.baseD/dalvikvm:VFY:replacingopcode0x6eat0x000209-2707:08:18.6087529-7529/com.tangula.android.baseI/dalvikvm:Couldnotfindmethodandroid.content.res.Resources.getDrawableForDensity,referencedfrommethodandroid.support.v7.widget.ResourcesWrapper.getDrawableForDensity\ast \ast 09-2707:08:18.6087529-7529/com.tangula.android.baseW/dalvikvm:VFY:unabletoresolvevirtualmethod854:Landroid/content/res/Resources;.getDrawableForDensity(IILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;**
09-27 07:08:18.608 7529-7529/com.tangula.android.base D/dalvikvm: VFY: replacing opcode 0x6e at 0x0002
09-27 07:08:18.608 7529-7529/com.tangula.android.base E/dalvikvm: Could not find class ‘android.graphics.drawable.RippleDrawable’, referenced from method android.support.v7.widget.AppCompatImageHelper.hasOverlapping Rendering
09-27 07:08:18.608 7529-7529/com.tangula.android.base W/dalvikvm: VFY: unable to resolve instanceof 249 (Landroid/graphics/drawable/RippleDrawable;) in Landroid/support/v7/widget/AppCompatImageHelper;
09-27 07:08:18.608 7529-7529/com.tangula.android.base D/dalvikvm: VFY: replacing opcode 0x20 at 0x000c
09-27 07:08:18.608 7529-7529/com.tangula.android.base I/dalvikvm: Could not find method android.content.Context.getColorStateList, referenced from method android.support.v7.content.res.AppCompatResources.getColorStateList
09-27 07:08:18.608 7529-7529/com.tangula.android.base W/dalvikvm: VFY: unable to resolve virtual method 667: Landroid/content/Context;.getColorStateList (I)Landroid/content/res/ColorStateList;
09-27 07:08:18.608 7529-7529/com.tangula.android.base D/dalvikvm: VFY: replacing opcode 0x6e at 0x0006
09-27 07:08:18.608 7529-7529/com.tangula.android.base I/dalvikvm: Could not find method android.content.Context.createDeviceProtectedStorageContext, referenced from method android.support.v4.content.ContextCompat.createDeviceProtectedStorageContext
09-27 07:08:18.608 7529-7529/com.tangula.android.base W/dalvikvm: VFY: unable to resolve virtual method 659: Landroid/content/Context;.createDeviceProtectedStorageContext ()Landroid/content/Context;
09-27 07:08:18.608 7529-7529/com.tangula.android.base D/dalvikvm: VFY: replacing opcode 0x6e at 0x0006

然后程序就结束了！！！

2.日志分析

然后分析日志吧！上面的内容过滤一下ERROR级别的分别如下：

09-27 07:08:15.358 1883-1883/com.google.process.gapps E/NetworkScheduler.SR: Invalid parameter app
09-27 07:08:15.358 1883-1883/com.google.process.gapps E/NetworkScheduler.SR: Invalid package name : Perhaps you didn’t include a PendingIntent in the extras?
09-27 07:08:15.378 2036-2316/com.google.android.gms E/Drive.UninstallOperation: Package still installed com.tangula.android.base
09-27 07:08:15.458 2036-7497/com.google.android.gms E/IntentOperationSvc: Failed to instantiate Chimera operation impl, dropping operation
09-27 07:08:15.598 1883-1883/com.google.process.gapps E/NetworkScheduler.SR: Invalid parameter app
09-27 07:08:15.598 1883-1883/com.google.process.gapps E/NetworkScheduler.SR: Invalid package name : Perhaps you didn’t include a PendingIntent in the extras?

到这里为止都是com.google报错，而且还没有结束。一般来说这不是问题，大部分情况下可能是墙引起的。

09-27 07:08:16.028 7529-7529/? E/Trace: error opening trace file: Permission denied (13)

这里爆了没法打开trace文件，没有授权。看上去这个是日志相关的。应该也没有关系。

09-27 07:08:18.608 7529-7529/com.tangula.android.base E/dalvikvm: Could not find class ‘android.graphics.drawable.RippleDrawable’, referenced from method android.support.v7.widget.AppCompatImageHelper.hasOverlappingRendering
09-27 07:09:43.198 2036-5093/com.google.android.gms E/CheckinTask: Checkin failed: https://android.clients.google.com/checkin (request #0):

这里说找不到RippleDrawable类，这是啥？

java.net.ConnectException: failed to connect to android.clients.google.com/74.125.204.102 (port 443) after 120000ms: isConnected failed: ECONNREFUSED (Connection refused)
09-27 07:10:03.328 2036-7808/com.google.android.gms E/ActivityThread: Failed to find provider info for com.google.android.wearable.settings
09-27 07:11:13.798 1883-2335/com.google.process.gapps E/GCM: Missing checkin config file

这里的情况应该是APP已经死了，连不上。

所以最大的问题是RippleDrawable这个问题。RippleDrawable是Android 5.0中提供的一个波纹特效，对应API级别是21。我们引用的AppCompact包是支持兼容到v7的。所以不应该出这个问题。于是测试了一下，API Level 17以上就没有问题，程序可以正常启动。

查资料，都没有说如何解决这个问题的。

应啃日志，发现出问题之前好像在读主题的资源

3.发现问题

09-27 07:08:18.608 7529-7529/com.tangula.android.base W/dalvikvm: VFY: unable to resolve virtual method 852: Landroid/content/res/Resources;.getDrawable ** (ILandroid/content/res/Resources$Theme;)Landroid/graphics/drawable/Drawable;**
09-27 07:08:18.608 7529-7529/com.tangula.android.base D/dalvikvm: VFY: replacing opcode 0x6e at 0x0002

注意其中的 (ILandroid/content/res/Resources$Theme;)

主题文件如下：

    
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        
        "colorPrimary">@color/colorPrimary
        "colorPrimaryDark">@color/colorPrimaryDark
        "colorAccent">@color/colorAccent
        "windowActionBar">false
        "windowNoTitle">true
        "android:actionMenuTextColor">@android:color/white
    style>

    <style name="AppTheme.NoActionBar">
        "windowActionBar">false
        "windowNoTitle">true
        "android:actionMenuTextColor">@android:color/white
    style>

这里AppTheme是自动生成的，AppTheme.NoActionBar是自定义ActionBar的时候从网上抄过来的。我们怀疑程序启动的时候，加载主题的时候有些Ripple效果的资源被读取了，然后因为平台不兼容，导致程序崩溃。

4.问题原因

经过各种实验之后发现问题是这样的：

AppTheme.NoActionBar没有指定parent，所以用了编译时候的指定的平台版本。也就是没用到AppCompact库中的内容。我的最低版本是16，编译和目标版本都是27，所以系统启动的时候，NoActionBar就会用版本27中的默认样式作为基础样式。这样也就有Ripple的问题了。

5.解决办法

最后，解决办法就是给他指定一个AppCampat中的parent样式，例如：

    <style name="AppTheme.NoActionBar" parent="Theme.AppCompat.Light.NoActionBar">
        "windowActionBar">false
        "windowNoTitle">true
        "android:actionMenuTextColor">@android:color/white
    style>

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The End