Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.io.DataOutputStream;
import java.io.IOException;

import android.content.Context;
import android.util.Log;

public class Main {
    public final static String SCRIPT_NAME = "surunner.sh";

    public static void deleteBuildPropertyBatched(Context c, String propArgument) {
        StringBuilder propName = new StringBuilder("");
        StringBuilder propValue = new StringBuilder("");
        StringBuilder commandLine = new StringBuilder("");
        boolean isValue = false;
        for (int i = 0; i < propArgument.length(); i++) {
            char ch = propArgument.charAt(i);
            if (ch == '=' && isValue == false) {
                isValue = true;
            } else if (ch == ';') {
                commandLine.append("busybox sed -i \"/" + propName + "=.*/d\" /system/build.prop ; ");

                isValue = false;
                propName = new StringBuilder("");
                propValue = new StringBuilder("");
            } else {
                if (isValue)
                    propValue.append(ch);
                else
                    propName.append(ch);
            }
        }

        Process p = null;
        try {
            remountSystem(c);

            p = runSuCommandAsync(c, commandLine.toString());
            p.waitFor();
        } catch (Exception d) {
            Log.e("Helper", "Failed to batch delete build.prop. errcode:" + d.toString());
        }
    }

    public static void remountSystem(Context c) {
        try {
            runSuCommand(c, "mount -orw,remount /system ; ");
        } catch (Exception d) { /* Does not require error handler */
        }
    }

    public static Process runSuCommandAsync(Context context, String command) throws IOException {
        DataOutputStream fout = new DataOutputStream(context.openFileOutput(SCRIPT_NAME, 0));
        fout.writeBytes(command);
        fout.close();

        String[] args = new String[] { "su", "-c",
                ". " + context.getFilesDir().getAbsolutePath() + "/" + SCRIPT_NAME };
        Process proc = Runtime.getRuntime().exec(args);
        return proc;
    }

    public static int runSuCommand(Context context, String command) throws IOException, InterruptedException {
        return runSuCommandAsync(context, command).waitFor();
    }
}