不懂JAVA，看不懂这些代码
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下面是代码

.class public Lcom/welhzh/android/CarCoach/Utils/SnDialog;
.super Landroid/app/Activity;

# direct methods
.method public constructor <init>()V
    .locals 0

    invoke-direct {p0}, Landroid/app/Activity;-><init>()V

    return-void
.end method

.method static synthetic a(Lcom/welhzh/android/CarCoach/Utils/SnDialog;Landroid/content/Context;)V
    .locals 3

    new-instance v0, Landroid/app/AlertDialog$Builder;

    invoke-direct {v0, p1}, Landroid/app/AlertDialog$Builder;-><init>(Landroid/content/Context;)V

    const v1, 0x108000a

    invoke-virtual {v0, v1}, Landroid/app/AlertDialog$Builder;->setIcon(I)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    const-string v1, "\u9519\u8bef"                //错误提示框

    invoke-virtual {v0, v1}, Landroid/app/AlertDialog$Builder;->setTitle(Ljava/lang/CharSequence;)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    const-string v1, "\u6ce8\u518c\u7801\u9519\u8bef."   //注册码错误

    invoke-virtual {v0, v1}, Landroid/app/AlertDialog$Builder;->setMessage(Ljava/lang/CharSequence;)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    const-string v1, "\u786e\u5b9a"        //确定按键

    new-instance v2, Lcom/welhzh/android/CarCoach/Utils/f;

    invoke-direct {v2, p0}, Lcom/welhzh/android/CarCoach/Utils/f;-><init>(Lcom/welhzh/android/CarCoach/Utils/SnDialog;)V

    invoke-virtual {v0, v1, v2}, Landroid/app/AlertDialog$Builder;->setPositiveButton(Ljava/lang/CharSequence;Landroid/content/DialogInterface$OnClickListener;)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    invoke-virtual {v0}, Landroid/app/AlertDialog$Builder;->create()Landroid/app/AlertDialog;

    move-result-object v0

    invoke-virtual {v0}, Landroid/app/AlertDialog;->show()V

    return-void
.end method

.method static synthetic b(Lcom/welhzh/android/CarCoach/Utils/SnDialog;Landroid/content/Context;)V
    .locals 3

    new-instance v0, Landroid/app/AlertDialog$Builder;

    invoke-direct {v0, p1}, Landroid/app/AlertDialog$Builder;-><init>(Landroid/content/Context;)V

    const v1, 0x108000a

    invoke-virtual {v0, v1}, Landroid/app/AlertDialog$Builder;->setIcon(I)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    const-string v1, "\u6ce8\u518c\u6210\u529f"                //注册成功框

    invoke-virtual {v0, v1}, Landroid/app/AlertDialog$Builder;->setTitle(Ljava/lang/CharSequence;)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    const-string v1, "\u611f\u8c22\u60a8\u7684\u6ce8\u518c!"                //感谢您的注册

    invoke-virtual {v0, v1}, Landroid/app/AlertDialog$Builder;->setMessage(Ljava/lang/CharSequence;)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    const-string v1, "\u786e\u5b9a"   //确定

    new-instance v2, Lcom/welhzh/android/CarCoach/Utils/g;

    invoke-direct {v2, p0}, Lcom/welhzh/android/CarCoach/Utils/g;-><init>(Lcom/welhzh/android/CarCoach/Utils/SnDialog;)V

    invoke-virtual {v0, v1, v2}, Landroid/app/AlertDialog$Builder;->setPositiveButton(Ljava/lang/CharSequence;Landroid/content/DialogInterface$OnClickListener;)Landroid/app/AlertDialog$Builder;

    move-result-object v0

    invoke-virtual {v0}, Landroid/app/AlertDialog$Builder;->create()Landroid/app/AlertDialog;

    move-result-object v0

    invoke-virtual {v0}, Landroid/app/AlertDialog;->show()V

    return-void
.end method

# virtual methods
.method public onCreate(Landroid/os/Bundle;)V
    .locals 6

    invoke-super {p0, p1}, Landroid/app/Activity;->onCreate(Landroid/os/Bundle;)V

    const/4 v0, 0x0

    invoke-virtual {p0, v0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->setRequestedOrientation(I)V

    const v0, 0x7f030001

    invoke-virtual {p0, v0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->setContentView(I)V

    invoke-virtual {p0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->getIntent()Landroid/content/Intent;

    move-result-object v0

    const-string v1, "deviceID"

    invoke-virtual {v0, v1}, Landroid/content/Intent;->getStringExtra(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v1

    const-string v2, "directSn"

    invoke-virtual {v0, v2}, Landroid/content/Intent;->getStringExtra(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v3

    const v0, 0x7f070002

    invoke-virtual {p0, v0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->findViewById(I)Landroid/view/View;

    move-result-object v0

    check-cast v0, Landroid/widget/TextView;

    new-instance v2, Ljava/lang/StringBuilder;

    invoke-virtual {p0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->getResources()Landroid/content/res/Resources;

    move-result-object v4

    const v5, 0x7f050036

    invoke-virtual {v4, v5}, Landroid/content/res/Resources;->getString(I)Ljava/lang/String;

    move-result-object v4

    invoke-static {v4}, Ljava/lang/String;->valueOf(Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v4

    invoke-direct {v2, v4}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "\n\n"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {p0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->getResources()Landroid/content/res/Resources;

    move-result-object v2

    const v4, 0x7f050037

    invoke-virtual {v2, v4}, Landroid/content/res/Resources;->getString(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v0, v1}, Landroid/widget/TextView;->setText(Ljava/lang/CharSequence;)V

    const v0, 0x7f070003

    invoke-virtual {p0, v0}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->findViewById(I)Landroid/view/View;

    move-result-object v0

    check-cast v0, Landroid/widget/EditText;

    const v1, 0x7f070004

    invoke-virtual {p0, v1}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->findViewById(I)Landroid/view/View;

    move-result-object v1

    check-cast v1, Landroid/widget/Button;

    const v2, 0x7f070005

    invoke-virtual {p0, v2}, Lcom/welhzh/android/CarCoach/Utils/SnDialog;->findViewById(I)Landroid/view/View;

    move-result-object v2

    check-cast v2, Landroid/widget/Button;

    new-instance v4, Lcom/welhzh/android/CarCoach/Utils/d;

    invoke-direct {v4, p0, v0, v3}, Lcom/welhzh/android/CarCoach/Utils/d;-><init>(Lcom/welhzh/android/CarCoach/Utils/SnDialog;Landroid/widget/EditText;Ljava/lang/String;)V

    invoke-virtual {v1, v4}, Landroid/widget/Button;->setOnClickListener(Landroid/view/View$OnClickListener;)V

    new-instance v0, Lcom/welhzh/android/CarCoach/Utils/e;

    invoke-direct {v0, p0}, Lcom/welhzh/android/CarCoach/Utils/e;-><init>(Lcom/welhzh/android/CarCoach/Utils/SnDialog;)V

    invoke-virtual {v2, v0}, Landroid/widget/Button;->setOnClickListener(Landroid/view/View$OnClickListener;)V

    return-void
.end method

.method protected onDestroy()V
    .locals 0

    invoke-super {p0}, Landroid/app/Activity;->onDestroy()V

    return-void
.end method

.method protected onPause()V
    .locals 0

    invoke-super {p0}, Landroid/app/Activity;->onPause()V

    return-void
.end method

.method protected onResume()V
    .locals 0

    invoke-super {p0}, Landroid/app/Activity;->onResume()V

    return-void
.end method

.method protected onStart()V
    .locals 0

    invoke-super {p0}, Landroid/app/Activity;->onStart()V

    return-void
.end method

.method protected onStop()V
    .locals 0

    invoke-super {p0}, Landroid/app/Activity;->onStop()V

    return-void
.end method

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