给apk 指定某区域一个GPS定位座标

最新推荐文章于 2021-12-06 13:08:33 发布

原创最新推荐文章于 2021-12-06 13:08:33 发布 · 323 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#android

这篇博客介绍了如何在安卓Apk中指定一个区域，并通过修改代码（Java和Smali）来硬改应用的GPS坐标位置，以实现QiPian应用程序的特定定位需求。

apk指定一个区域,硬改座标位置,QiPian应用程序。

java:

private static Location setRandomCoordinate(Location location) {
    if (location != null){
        location.setLongitude(randomLon(-118.2638953700764,-118.22362187841841));
        location.setLatitude(randomLat(36.03276747978524,36.04903490907145));
    }
    return location;
}
private static double randomLon(double MinLon, double MaxLon) {
    java.math.BigDecimal db = new java.math.BigDecimal(Math.random() * (MaxLon - MinLon) + MinLon);
    double lon = db.setScale(7, java.math.BigDecimal.ROUND_HALF_UP).doubleValue();
    return lon;
}
private static double randomLat(double MinLat, double MaxLat) {
    java.math.BigDecimal db = new java.math.BigDecimal(Math.random() * (MaxLat - MinLat) + MinLat);
    double lat = db.setScale(7, java.math.BigDecimal.ROUND_HALF_UP).doubleValue();
    return lat;
}

smali:

.method private static randomLat(DD)D
    .registers 12
    .param p0, "MinLat"    # D
    .param p2, "MaxLat"    # D

    .prologue
    .line 166
    new-instance v0, Ljava/math/BigDecimal;

    invoke-static {}, Ljava/lang/Math;->random()D

    move-result-wide v4

    sub-double v6, p2, p0

    mul-double/2addr v4, v6

    add-double/2addr v4, p0

    invoke-direct {v0, v4, v5}, Ljava/math/BigDecimal;-><init>(D)V

    .line 167
    .local v0, "db":Ljava/math/BigDecimal;
    const/4 v1, 0x7

    const/4 v4, 0x4

    invoke-virtual {v0, v1, v4}, Ljava/math/BigDecimal;->setScale(II)Ljava/math/BigDecimal;

    move-result-object v1

    invoke-virtual {v1}, Ljava/math/BigDecimal;->doubleValue()D

    move-result-wide v2

    .line 168
    .local v2, "lat":D
    return-wide v2
.end method

.method private static randomLon(DD)D
    .registers 12
    .param p0, "MinLon"    # D
    .param p2, "MaxLon"    # D

    .prologue
    .line 161
    new-instance v0, Ljava/math/BigDecimal;

    invoke-static {}, Ljava/lang/Math;->random()D

    move-result-wide v4

    sub-double v6, p2, p0

    mul-double/2addr v4, v6

    add-double/2addr v4, p0

    invoke-direct {v0, v4, v5}, Ljava/math/BigDecimal;-><init>(D)V

    .line 162
    .local v0, "db":Ljava/math/BigDecimal;
    const/4 v1, 0x7

    const/4 v4, 0x4

    invoke-virtual {v0, v1, v4}, Ljava/math/BigDecimal;->setScale(II)Ljava/math/BigDecimal;

    move-result-object v1

    invoke-virtual {v1}, Ljava/math/BigDecimal;->doubleValue()D

    move-result-wide v2

    .line 163
    .local v2, "lon":D
    return-wide v2
.end method

.method private static setRandomCoordinate(Landroid/location/Location;)Landroid/location/Location;
    .registers 5
    .param p0, "location"    # Landroid/location/Location;

    .prologue
    .line 154
    if-eqz p0, :cond_24

    .line 155
    const-wide v0, -0x3fa26f1c5697fd30L    # -118.2638953700764

    const-wide v2, -0x3fa271b02ddc6176L    # -118.22362187841841

    invoke-static {v0, v1, v2, v3}, LYOUR_CLASS;->randomLon(DD)D

    move-result-wide v0

    invoke-virtual {p0, v0, v1}, Landroid/location/Location;->setLongitude(D)V

    .line 156
    const-wide v0, 0x40410431b98b0665L    # 34.03276747978524

    const-wide v2, 0x40410646c6a16980L    # 34.04903490907145

    invoke-static {v0, v1, v2, v3}, LYOUR_CLASS;->randomLat(DD)D

    move-result-wide v0

    invoke-virtual {p0, v0, v1}, Landroid/location/Location;->setLatitude(D)V

    .line 158
    :cond_24
    return-object p0
.end method