Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final Pattern LAUNCHABLE_ACTIVITY_PATTERN = Pattern
            .compile("launchable-activity: +name='([^']+)'");

    public static String getLaunchableActivity(String sdkPath, String apkPath) {
        return getAaptResult(sdkPath, apkPath, LAUNCHABLE_ACTIVITY_PATTERN);
    }

    private static String getAaptResult(String sdkPath, String apkPath, final Pattern pattern) {
        try {
            final File apkFile = new File(apkPath);
            final ByteArrayOutputStream aaptOutput = new ByteArrayOutputStream();
            final String command = getAaptDumpBadgingCommand(sdkPath, apkFile.getName());

            Process process = Runtime.getRuntime().exec(command, null, apkFile.getParentFile());

            InputStream inputStream = process.getInputStream();
            for (int last = inputStream.read(); last != -1; last = inputStream.read()) {
                aaptOutput.write(last);
            }

            String packageId = "";
            final String aaptResult = aaptOutput.toString();
            if (aaptResult.length() > 0) {
                final Matcher matcher = pattern.matcher(aaptResult);
                if (matcher.find()) {
                    packageId = matcher.group(1);
                }
            }
            return packageId;
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public static String getAaptDumpBadgingCommand(String sdkPath, String apkName) {
        return sdkPath + "/build-tools/17.0.0/aapt dump badging " + apkName;
    }
}