这个android错误啥意思

这个错误啥意思
04-27 22:03:58.367 12480-12480/com.example.hello E/dalvikvm: Could not find class 'android.support.v4.view.ViewCompat$OnUnhandledKeyEventListenerWrapper', referenced from method android.support.v4.view.ViewCompat.addOnUnhandledKeyEventListener
04-27 22:03:58.367 12480-12480/com.example.hello E/dalvikvm: Could not find class 'android.view.WindowInsets', referenced from method android.support.v4.view.ViewCompat.dispatchApplyWindowInsets
04-27 22:03:58.377 12480-12480/com.example.hello E/dalvikvm: Could not find class 'android.view.WindowInsets', referenced from method android.support.v4.view.ViewCompat.onApplyWindowInsets
04-27 22:03:58.377 12480-12480/com.example.hello E/dalvikvm: Could not find class 'android.view.View$OnUnhandledKeyEventListener', referenced from method android.support.v4.view.ViewCompat.removeOnUnhandledKeyEventListener
04-27 22:03:58.387 12480-12480/com.example.hello E/dalvikvm: Could not find class 'android.support.v4.view.ViewCompat$1', referenced from method android.support.v4.view.ViewCompat.setOnApplyWindowInsetsListener
04-27 22:03:58.407 12480-12480/com.example.hello E/dalvikvm: Could not find class 'android.graphics.drawable.RippleDrawable', referenced from method android.support.v7.widget.AppCompatImageHelper.hasOverlappingRendering

慕侠2389804
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皈依舞

类未找到。你需要导入v4这个包final int src = (configuratorSrc[0] & 0xFF) << 8 | (configuratorSrc[1] & 0xFF);

慕的地8271018

可以删除 .AndroidStudio1.2保存的是android studio软件的用户设置,缓存数据,升级新版本后,老版本的可以删除.
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