网址：“https://www.webmasterworld.com/linux/3613813.htm”
我的测试代码：
1 Button btnShellCommand01 = (Button)findViewById(R.id.btnShellCommand01); 2 btnShellCommand01.setOnClickListener(new View.OnClickListener() 3 { 4 @Override 5 public void onClick(View v) 6 { 7 // https://www.webmasterworld.com/linux/3613813.htm 8 File file = new File("/bin"); 9 MsgAppendLn02("file : "+file.toString()); 10 if (file.exists()) 11 MsgAppendLn02(file.toString() + " exists"); 12 else 13 MsgAppendLn02(file.toString() + " not exists"); 14 //Log.i("zzz", file); 15 Process process = null; 16 MsgAppendLn02("01"); 17 try 18 { 19 //process = Runtime.getRuntime().exec("/bin/bash", null, file);// no such file or directory 20 process = Runtime.getRuntime().exec("/system/bin/sh", null, file); 21 } 22 catch(Exception ex) 23 { 24 StringWriter sw = new StringWriter(); 25 PrintWriter pw = new PrintWriter(sw); 26 ex.printStackTrace(pw); 27 String strStackTrace = sw.toString(); 28 MsgAppendLn02(strStackTrace); 29 } 30 MsgAppendLn02("02"); 31 if (process != null) 32 { 33 MsgAppendLn02("03"); 34 BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream())); 35 PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(process.getOutputStream())), true); 36 37 out.println("cd .."); 38 out.println("pwd"); 39 out.println("exit"); 40 try 41 { 42 MsgAppendLn02("04"); 43 String line; 44 while((line = in.readLine()) != null) 45 { 46 MsgAppendLn02(line); 47 } 48 process.waitFor(); 49 in.close(); 50 out.close(); 51 process.destroy(); 52 53 MsgAppendLn02("05"); 54 } 55 catch(Exception ex) 56 { 57 StringWriter sw = new StringWriter(); 58 PrintWriter pw = new PrintWriter(sw); 59 ex.printStackTrace(pw); 60 String strStackTrace = sw.toString(); 61 MsgAppendLn02(strStackTrace); 62 } 63 } // if 64 65 Toast.makeText(MainActivity.this, "Shell Command 01 finish .", Toast.LENGTH_SHORT).show(); 66 } 67 }); // btnShellCommand01
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