Android app, activity crash on start

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http://stackoverflow.com – My app is crashing on start! This is the activity that crashes when the app is launched: package ir.shs77.phone; import ir.shs77.Xperia.Setting; import ir.shs77.Xperia.PersianReshape; import ir.shs77.R; import ir.shs77.Xperia.Setting; import ir.shs77.Xperia.about; import android.app.Activity; import android.app.Dialog; import android.content.Intent; import android.graphics.Typeface; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widg (HowTos)