。

app/src/main/java/com/example/modifier/MainActivity.java

@@ -17,6 +17,7 @@ import androidx.core.view.WindowInsetsCompat;
 import com.example.modifier.databinding.ActivityMainBinding;
 import com.google.gson.Gson;
 
+import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.StringUtils;
 
@@ -37,7 +38,7 @@ import java.util.concurrent.TimeUnit;
 public class MainActivity extends AppCompatActivity {
     private static final String TAG = "SpooferModule";
     ActivityMainBinding mBinding;
-    ExecutorService executor = Executors.newFixedThreadPool(8);
+    ExecutorService executor = Executors.newFixedThreadPool(32);
     Handler handler = new Handler(Looper.getMainLooper());
 
     @Override
@@ -149,6 +150,8 @@ public class MainActivity extends AppCompatActivity {
                     "echo 'copied to siminfo'",
                     "chmod 777 /data/data/com.kee.SIMdeviceinfo/rcsConfig.json");
 
+//            runAsRoot("ls /system");
+
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -233,12 +236,16 @@ public class MainActivity extends AppCompatActivity {
 
 
     private void runAsRoot(String... cmds) throws IOException, InterruptedException {
-        Process p = Runtime.getRuntime().exec("su");
-        executor.execute(new StreamLogger(p.getInputStream()));
-        executor.execute(new StreamLogger(p.getErrorStream()));
+        File outputDir = getCacheDir(); // context being the Activity pointer
+        File outputFile = File.createTempFile("su0000000", ".log", outputDir);
+        Log.i(TAG, "Output file: " + outputFile.getAbsolutePath());
+
+        Process p = new ProcessBuilder("su")
+                .redirectErrorStream(true)
+                .redirectOutput(outputFile)
+                .start();
+
         DataOutputStream outputStream = new DataOutputStream(p.getOutputStream());
-        outputStream.writeBytes("su\n");
-        outputStream.flush();
         for (String cmd : cmds) {
             outputStream.writeBytes(cmd + "\n");
             outputStream.flush();
@@ -246,8 +253,9 @@ public class MainActivity extends AppCompatActivity {
         }
         outputStream.writeBytes("exit\n");
         outputStream.flush();
-        p.waitFor(5, TimeUnit.SECONDS);
-        Log.i(TAG, "Command executed");
+        p.waitFor();
+        String res = FileUtils.readFileToString(outputFile, "UTF-8");
+        Log.i(TAG, "Command executed: \n" + res);
     }
 
     String generateIMEI() {