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eclipseで、gen(Generated Java Files) 以下にR.javaが作られない
または自動更新されない
→ Project の 自動ビルド をチェック

AndroidRuntimeException: requestFeature() must be called before adding content.

とかいうエラー

setContentView(R.layout.main);

を後にする？

SharedBufferStack
waitForCondition(LockCondition) timed out (identity=2 , status=0)CPU may be Pegged. try again.

Failed to install PasteCamera.apk on device 'emulator-5554': timeout

マシンリソースの問題？？？
再度やり直すと出なくなる？

java.lang.RuntimeException: Unable to start activity ComponentInfo{package.class/package.class}:

java.lang.IllegalStateException: The specified child already has a parent. You must call method() on the child's parent first.