[英]Run adb shell commands from Java code on different platforms
我正在使用 Mac 運行 Java 程序,其中包含一些要在遠程 Android 設備上執行的命令。 當我在 Windows 機器上執行我的程序時,它會提供正確的輸出,但是當我在 Mac 機器上執行相同的程序時,它不會。 我在這里分享代碼片段和我得到的輸出。
代碼:
private static final String DUMPSYSCOMMAND = "adb -s ? shell \"dumpsys package com.PACKAGENAME.service | grep versionName\"";
String versionString = runADBCommand(DUMPSYSCOMMAND.replace("?",
deviceIP));
System.out.println("Version String Result " + versionString);
String versionName = null;
if (versionString != null && !versionString.isEmpty()) {
versionString = versionString.replace("\\s+", "");
versionName = versionString.replace(".", "-")
.substring(versionString.indexOf("=") + 1)
.replaceAll("\\s+", "");
System.out.println("Version String " + versionName);
}
public String runADBCommand(String adbCommand) throws IOException {
System.out.println("Running given command= " + adbCommand + "$$$");
StringBuffer returnValue = new StringBuffer();
String line;
InputStream inStream = null;
try {
System.out.println("adbCommand = " + adbCommand);
Process process = Runtime.getRuntime().exec(adbCommand);
// process.waitFor();/
inStream = process.getInputStream();
BufferedReader brCleanUp = new BufferedReader(
new InputStreamReader(inStream));
while ((line = brCleanUp.readLine()) != null) {
if (!line.equals("")) {
System.out.println("After exec");
System.out.println("Line=" + line);
}
// returnValue = returnValue + line + "\n";
returnValue.append(line).append("\n");
}
brCleanUp.close();
try {
process.waitFor();
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error: " + e.getMessage());
}
System.out.println(returnValue.toString() + "@@");
return returnValue.toString();
}
輸出:
@@Running given command= adb -s DEVICEIP shell "dumpsys package PACKAGENAME | grep versionName"$$$
adbCommand = adb -s DEVICEIP shell "dumpsys package PACKAGENAME | grep versionName"
After exec
Line=/system/bin/sh: dumpsys package PACKAGENAME | grep versionName: not found
/system/bin/sh: dumpsys package PACKAGENAME | grep versionName: not found
@@Version String Result /system/bin/sh: dumpsys package PACKAGENAME | grep versionName: not found
Version String /system/bin/sh:dumpsyspackagecom-PACKAGENAME|grepversionName:notfound
當我從命令提示符運行相同的 shell 命令時,它也會為我提供 Mac 上的預期輸出。
最好改用ProcessBuilder
。 但是如果你堅持使用Runtime.getRuntime().exec()
- 使用.exec(String[] cmdarray)
而不是你當前的.exec(String command)
:
private static final String DUMPSYSCOMMAND = "dumpsys package com.PACKAGENAME.service | grep versionName";
String versionString = runADBCommand({"adb", "-s", deviceIP, "shell", DUMPSYSCOMMAND});
...
public String runADBCommand(String[] adbCommand) throws IOException {
...
// do not forget to remove / modify this println - it expect a string
// System.out.println("adbCommand = " + adbCommand);
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