android - App build.gradle error -

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this happening after launched avd app test, , starting android os. few seconds later, computer( using mac) restarted causing error android studio. after happening, android studio strange.

  • it working well, happened.
  • android studio not still work after used clean project ,and can't recognize things such r. , methods.

thank :)

i attached screenshot understanding.

android studio error

your styles.xml error. have fix , clean project. think trying add appcompat project. did add following line in dependencies?

compile 'com.android.support:appcompat-v7:23.1.1'

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