看了一下https://www.52pojie.cn/thread-674465-1-1.html里面的过验证方式
一时兴起想要用dmm游戏来试试
反编译搜索dex后找到一个permission check文件
然后呢？我不得不伸出手
`.class public final Landroid/support/v4/content/PermissionChecker;
.super Ljava/lang/Object;
.source "PermissionChecker.java"

annotations

.annotation system Ldalvik/annotation/MemberClasses;
value = {
Landroid/support/v4/content/PermissionChecker$PermissionResult;
}
.end annotation

static fields

.field public static final PERMISSION_DENIED:I = -0x1

.field public static final PERMISSION_DENIED_APP_OP:I = -0x2

.field public static final PERMISSION_GRANTED:I

direct methods

.method private constructor <init>()V
.registers 1

.prologue
.line 70
invoke-direct {p0}, Ljava/lang/Object;-><init>()V

.line 72
return-void

.end method

.method public static checkCallingOrSelfPermission(Landroid/content/Context;Ljava/lang/String😉I
.registers 5
.param p0, "context" # Landroid/content/Context;
.annotation build Landroid/support/annotation/NonNull;
.end annotation
.end param
.param p1, "permission" # Ljava/lang/String;
.annotation build Landroid/support/annotation/NonNull;
.end annotation
.end param

.prologue
.line 160
invoke-static {}, Landroid/os/Binder;->getCallingPid()I

move-result v1

invoke-static {}, Landroid/os/Process;->myPid()I

move-result v2

nop

invoke-virtual {p0}, Landroid/content/Context;->getPackageName()Ljava/lang/String;

move-result-object v0

.line 162
.local v0, "packageName":Ljava/lang/String;
:goto_d
invoke-static {}, Landroid/os/Binder;->getCallingPid()I

move-result v1

invoke-static {}, Landroid/os/Binder;->getCallingUid()I

move-result v2

invoke-static {p0, p1, v1, v2, v0}, Landroid/support/v4/content/PermissionChecker;->checkPermission(Landroid/content/Context;Ljava/lang/String;IILjava/lang/String;)I

move-result v1

return v1

.line 160
.end local v0    # "packageName":Ljava/lang/String;
const/4 v0, 0x0

goto :goto_d

.end method

.method public static checkCallingPermission(Landroid/content/Context;Ljava/lang/String;Ljava/lang/String😉I
.registers 5
.param p0, "context" # Landroid/content/Context;
.annotation build Landroid/support/annotation/NonNull;
.end annotation
.end param
.param p1, "permission" # Ljava/lang/String;
.annotation build Landroid/support/annotation/NonNull;
.end annotation
.end param
.param p2, "packageName" # Ljava/lang/String;

.prologue
.line 142
invoke-static {}, Landroid/os/Binder;->getCallingPid()I

move-result v0

invoke-static {}, Landroid/os/Process;->myPid()I

move-result v1

nop

.line 143
const/4 v0, -0x1

.line 145
:goto_a
return v0

invoke-static {}, Landroid/os/Binder;->getCallingPid()I

move-result v0

invoke-static {}, Landroid/os/Binder;->getCallingUid()I

move-result v1

invoke-static {p0, p1, v0, v1, p2}, Landroid/support/v4/content/PermissionChecker;->checkPermission(Landroid/content/Context;Ljava/lang/String;IILjava/lang/String;)I

move-result v0

goto :goto_a

.end method

.method public static checkPermission(Landroid/content/Context;Ljava/lang/String;IILjava/lang/String😉I
.registers 10
.param p0, "context" # Landroid/content/Context;
.annotation build Landroid/support/annotation/NonNull;
.end annotation
.end param
.param p1, "permission" # Ljava/lang/String;
.annotation build Landroid/support/annotation/NonNull;
.end annotation
.end param
.param p2, "pid" # I
.param p3, "uid" # I
.param p4, "packageName" # Ljava/lang/String;

.prologue
const/4 v3, 0x0

const/4 v2, -0x1

.line 89
invoke-virtual {p0, p1, p2, p3}, Landroid/content/Context;->checkPermission(Ljava/lang/String;II)I

move-result v4

nop

.line 111
:goto_7
return v2

.line 93
invoke-static {p1}, Landroid/support/v4/app/AppOpsManagerCompat;->permissionToOp(Ljava/lang/String;)Ljava/lang/String;

move-result-object v0

.line 94
.local v0, "op":Ljava/lang/String;
nop

move v2, v3

.line 95
goto :goto_7

.line 98
nop

.line 99
invoke-virtual {p0}, Landroid/content/Context;->getPackageManager()Landroid/content/pm/PackageManager;

move-result-object v4

invoke-virtual {v4, p3}, Landroid/content/pm/PackageManager;->getPackagesForUid(I)[Ljava/lang/String;

move-result-object v1

.line`