遇到这个bug： 末尾是解决方法。 E/AndroidRuntime: FATAL EXCEPTION: main Process: com.XX.XX.XX, PID: 7055 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.XX.XX.XX./com.test.MAinActivity}: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x1 at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2257) at android.app.ActivityThread.access$800(ActivityThread.java:143) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5120) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:818) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:634) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x1 at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:464) at android.view.ViewGroup$MarginLayoutParams. (ViewGroup.java:6155) at android.widget.RelativeLayout$LayoutParams. (RelativeLayout.java:1225) at android.widget.RelativeLayout.generateLayoutParams(RelativeLayout.java:1062) at android.widget.RelativeLayout.generateLayoutParams(RelativeLayout.java:82) at android.view.LayoutInflater.rInflate(LayoutInflater.java:757) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.rInflate(LayoutInflater.java:758) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:397) at android.view.LayoutInflater.inflate(LayoutInflater.java:353) at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:249) at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106) at com.financial360.nicaifu.framework.ui.base.NcfActivity.setContentView(NcfActivity.java:98) at com.financial360.nicaifu.ui.base.BaseActivity.setContentView(BaseActivity.java:61) at com.financial360.nicaifu.ui.dq.BuyDqDetailsActivity.onCreate(BuyDqDetailsActivity.java:119) at android.app.Activity.performCreate(Activity.java:5343) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2257) at android.app.ActivityThread.access$800(ActivityThread.java:143) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:136) at android.app.ActivityThread.main(ActivityThread.java:5120) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:818) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:634) at dalvik.system.NativeStart.main(Native Method) 01-28 09:04:42.252 927-976/? E/OppoPhoneWindow: OppoPhoneWindow
出现此类问题有很多缘故，但是其根源还是在xml中，比如你在用dimens文件的时候，你在values-w360dp 文件夹下定义了 dimen数值，但是你在values文件夹下没有定义那个数值，在这种情况下如果你手机分辨率比较小的时候它默认是从values文件夹取值的，当Rendering的时候，去默认的values下找不到数值就会报错。
同理 style，color等等要在默认的values要优先在默认的values中定义。在values-w360dp 、values-w480dp values-w600dp 中有的数值，在默认的values中一定要有。