Java tutorial
//package com.java2s; import android.content.Context; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager.NameNotFoundException; import android.text.TextUtils; public class Main { public static String getSourceApkPath(Context context, String packageName) { if (TextUtils.isEmpty(packageName)) return null; try { ApplicationInfo appInfo = context.getPackageManager().getApplicationInfo(packageName, 0); return appInfo.sourceDir; } catch (NameNotFoundException e) { e.printStackTrace(); } return null; } }