使用 adb 向 Android 手机发出捏合/捏合命令

Question

到目前为止，我可以使用 adb 命令点击、滑动、解锁、安装/卸载和启动应用程序，但无法找到如何使用 adb 命令执行放大/缩小。

我已经获得了捏合/捏合的坐标，但不知道如何使用终端的 adb 命令来触发它们。

例如，我们有命令 --> adb shell input tap x y 所以在这里我们可以用值/坐标替换 x 和 y 类似地我想知道模拟捏合/捏合的方法。

我获得的捏合坐标如下。

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Answer 1

您可以使用

adb getevent

和

sendevent

来完成。
使用

adb

连接您的设备。请按照以下步骤操作。

识别您的输入设备：
打开设备上的任何图像。要列出输入设备，请运行

$ adb shell getevent   
add device 1: /dev/input/event7   
name:     "msm8226-tapan9302-snd-card Headset Jack"
add device 2: /dev/input/event6
  name:     "msm8226-tapan9302-snd-card Button Jack"
add device 3: /dev/input/event2
  name:     "synaptics_dsx_i2c"
add device 4: /dev/input/event4
  name:     "qpnp_pon"

在图像上捏合/张开，您应该看到一些连续的日志，例如

/dev/input/event2: 0003 0030 00000005
/dev/input/event2: 0000 0000 00000000
/dev/input/event2: 0003 002f 00000000
/dev/input/event2: 0003 0036 00000144
/dev/input/event2: 0003 003a 00000079
/dev/input/event2: 0000 0000 00000000
/dev/input/event2: 0003 0036 00000142

确认

/dev/input/event2

是我的目标设备的输入设备名称。

获取准确的
```
getevent
```
并将
getevent
转换为
sendevent
:

确保您的屏幕已打开并打开一些图像，
在提示符下运行以下命令。
```
$ adb shell getevent | grep dev/input/event2 > getevent_input.txt
```
运行上述程序时，在手机上的图像上捏合/捏合。

完成后，杀死上面的命令 Ctrl + C
打开文件
```
getevent_input.txt
```
并从中删除第一行
```
"add device X: /dev/input/eventX"
```
。

因为
```
getevent
```
返回十进制值，而
```
sendevent
```
则采用十六进制值。
我们必须进行上述转换。
这个脚本
```
hex_to_dec.py
```
在这里完成了这项工作。感谢这个家伙！
```
$./hex_to_dec.py  getevent_input.txt 
```
生成一个文件
```
getevent_input.scr
```
，现在将此文件重命名为
```
.sh
```
```
$ mv getevent_input.scr  sendevent_input.sh
```
打开文件
```
sendevent_input.sh
```
并删除第二行
```
"echoing – drawing function"
```
并保存。

在设备上运行。
将

sendevent_input.sh

传输到设备。

$ adb push sendevent_input.sh /sdcard/
1615 KB/s (64379 bytes in 0.038s)

确保您的设备已打开图像，并且屏幕未关闭。

$ adb shell sh /sdcard/sendevent_input.sh

对我来说效果很好，如果这就是您想要的。
要获得可见结果，请在“开发人员选项”中启用。

环境：

Motorola Moto G (Android 4.4.4)

，

ADB (v 1.0.31)

位于

Ubuntu 12.04

。

Answer 2

带有

adb shell input

的（有点hacky）解决方案看起来像

adb shell input tap 200 200 & PIDTAP=$!
sleep 0.1
adb shell input swipe 200 200 200 100 1000 & PIDSWIPE=$!
wait $PIDTAP
wait $PIDSWIPE

我们的想法是，我们启动 TAP 命令，然后短暂睡眠，然后执行 SWIPE。此类命令序列被解释为点击 + 滑动，因此执行缩放。上面的示例是缩小地图。

Answer 3

嘿，十年后，这个问题仍然没有可行的开放解决方案。问题是预先存在的“输入”二进制文件并没有真正利用多点触控，因此您必须依赖一些第三方二进制文件来完成这项工作。

前面提到的捕获运动事件并通过 sendevent 直接将其发送回来的方法不幸的是太慢了，没有任何用处。因此，根据该二进制文件的来源（https://github.com/joneschrisg/android-system-core/blob/master/toolbox/sendevent.c），我刚刚破解了自己的可执行文件，复制了多么困难的事情事件在设备上看起来像这样。 https://github.com/Snaggly/Android-Pinch-Injector 我尝试尽可能采用最简单的解决方案，您只需推送二进制文件，赋予它执行和启动它的权利。

示例：

./捏20 30 0 200

此命令将在 200 毫秒的时间内从屏幕的 20% 到 30% 位置注入捏合手势，捏合角度与 x 轴成 0°。

唯一的缺点是您需要成为 root 才能对 /dev/input/eventX 具有写入权限。

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