先搜索signatures
[mw_shl_code=applescript,true]method private static a(Landroid/content/Context;)[B
.locals 4
invoke-virtual {p0}, Landroid/content/Context;->getApplicationInfo()Landroid/content/pm/ApplicationInfo;
move-result-object v0
iget-object v1, v0, Landroid/content/pm/ApplicationInfo;->packageName:Ljava/lang/String;
const-string v0, "CommUtil"
new-instance v2, Ljava/lang/StringBuilder;
invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V
const-string v3, "package name:"
invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v2
invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v2
invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v2
invoke-static {v0, v2}, Lmm/purchasesdk/core/utils/LogUtil;->d(Ljava/lang/String;Ljava/lang/String;)V
check-cast p0, Landroid/app/Activity;
invoke-virtual {p0}, Landroid/app/Activity;->getPackageManager()Landroid/content/pm/PackageManager;
move-result-object v0
const-string v0, "/sdcard/feiche.apk"
const/16 v2, 0x40 // 这个40是啥意思
invoke-virtual {v0, v2}, Landroid/content/pm/PackageManager;->getInstalledPackages(I)Ljava/util/List;
move-result-object v0
invoke-interface {v0}, Ljava/util/List;->iterator()Ljava/util/Iterator;
move-result-object v2
:cond_0
invoke-interface {v2}, Ljava/util/Iterator;->hasNext()Z hasNext这个是啥意思呢,大神求解
move-result v0
if-eqz v0, :cond_1
invoke-interface {v2}, Ljava/util/Iterator;->next()Ljava/lang/Object;
move-result-object v0
check-cast v0, Landroid/content/pm/PackageInfo;
iget-object v3, v0, Landroid/content/pm/PackageInfo;->packageName:Ljava/lang/String;
invoke-virtual {v3, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z
move-result v3
if-eqz v3, :cond_0
iget-object v0, v0, Landroid/content/pm/PackageInfo;->signatures:[Landroid/content/pm/Signature;
const/4 v1, 0x0
aget-object v0, v0, v1
invoke-virtual {v0}, Landroid/content/pm/Signature;->toByteArray()[B
move-result-object v0
:goto_0
return-object v0 // 返回时v0的值,改了v0 还是一样闪退
:cond_1
const/4 v0, 0x0
goto :goto_0
.end method
[/mw_shl_code]
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