We are not using NativeActivity, nor do we plan to, IIUC

Partially revert 52a8744a, i.e. once again
start to remove stuff related only to using NativeActivity... (Because it is
confusing and misleading to keep it around.) Let's do it in small pieces this
time.

Change-Id: Ifdc52eb0ae32c7c510418611cbf01a857a8bc697

android/Bootstrap/src/org/libreoffice/android/Bootstrap.java

@@ -29,28 +29,22 @@
 package org.libreoffice.android;
 
 import android.app.Activity;
-import android.app.NativeActivity;
 import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
 import android.util.Log;
 
-import fi.iki.tml.CommandLine;
-
 import java.io.File;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
-import java.util.Scanner;
-
-// We extend NativeActivity so that we can get at the intent of the
-// activity and its extra parameters, that we use to tell us what
-// actual LibreOffice "program" to run. I.e. something that on desktop
-// OSes would be a program, but for Android is actually built as a
-// shared object, with a "lo_main" function.
 
-public class Bootstrap extends NativeActivity
+// final because subclassing would be meaningless.
+public final class Bootstrap
 {
+    // private constructor because instantiating would be meaningless
+    private Bootstrap()
+    {
+    }
+
     private static String TAG = "lo-bootstrap";
 
     // Native methods in this class are all implemented in
@@ -62,9 +56,6 @@ public class Bootstrap extends NativeActivity
                                         String cacheDir,
                                         String apkFile);
 
-    public static native boolean setup(Object lo_main_argument,
-                                       int lo_main_delay);
-
     // Extracts files in the .apk that need to be extraced into the app's tree
     static native void extract_files();
 
@@ -110,8 +101,8 @@ public class Bootstrap extends NativeActivity
 
     static boolean setup_done = false;
 
-    // This setup() method is called 1) in apps that use *this* class as their activity from onCreate(),
-    // and 2) should be called from other kinds of LO code using apps.
+    // This setup() method should be called from the upper Java level of
+    // LO-based apps.
     public static synchronized void setup(Activity activity)
     {
         if (setup_done)
@@ -152,92 +143,6 @@ public class Bootstrap extends NativeActivity
         putenv("TMPDIR=" + activity.getCacheDir().getAbsolutePath());
     }
 
-    @Override
-    protected void onCreate(Bundle savedInstanceState)
-    {
-        setup(this);
-
-        String mainLibrary = getIntent().getStringExtra("lo-main-library");
-
-        if (mainLibrary == null)
-            mainLibrary = "libcppunittester";
-
-        mainLibrary += ".so";
-
-        Log.i(TAG, String.format("mainLibrary=%s", mainLibrary));
-
-        // Get "command line" to pass to the LO "program"
-        String cmdLine = getIntent().getStringExtra("lo-main-cmdline");
-
-        if (cmdLine == null) {
-            String indirectFile = getIntent().getStringExtra("lo-main-indirect-cmdline");
-            if (indirectFile != null) {
-                try {
-                    // Somewhat stupid but short way to read a file into a string
-                    cmdLine = new Scanner(new File(indirectFile), "UTF-8").useDelimiter("\\A").next().trim();
-                }
-                catch (java.io.FileNotFoundException e) {
-                    Log.i(TAG, String.format("Could not read %s: %s",indirectFile, e.toString()));
-                }
-            }
-
-            if (cmdLine == null)
-                cmdLine = "";
-        }
-
-        Log.i(TAG, String.format("cmdLine=%s", cmdLine));
-
-        String[] argv = CommandLine.split(cmdLine);
-
-        // Handle env var assignments in the command line.
-        while (argv.length > 0 &&
-               argv[0].matches("[A-Z_]+=.*")) {
-            putenv(argv[0]);
-            argv = Arrays.copyOfRange(argv, 1, argv.length);
-        }
-
-        // argv[0] will be replaced by android_main() in lo-bootstrap.c by the
-        // pathname of the mainLibrary.
-        String[] newargv = new String[argv.length + 1];
-        newargv[0] = "dummy-program-name";
-        System.arraycopy(argv, 0, newargv, 1, argv.length);
-        argv = newargv;
-
-        // Load the LO "program" here
-        System.loadLibrary(mainLibrary);
-
-        // Start a strace on ourself if requested.
-
-        // Note that the started strace will have its stdout and
-        // stderr connected to /dev/null, so you definitely want to
-        // specify an -o option in the lo-strace extra. Also, strace
-        // will trace only *this* thread, which is not the one that
-        // eventually will run android_main() and lo_main(), so you
-        // also want the -f option.
-        String strace_args = getIntent().getStringExtra("lo-strace");
-        if (strace_args != null)
-            system("/system/xbin/strace -p " + getpid() + " " + (strace_args != "yes" ? strace_args : "" ) + " &");
-
-        int delay = 0;
-        String sdelay = getIntent().getStringExtra("lo-main-delay");
-        if (sdelay != null)
-            delay = Integer.parseInt(sdelay);
-
-        // Tell lo-bootstrap.c the stuff it needs to know
-        if (!setup(argv, delay))
-            return;
-
-        // Finally, call our super-class, NativeActivity's onCreate(),
-        // which eventually calls the ANativeActivity_onCreate() in
-        // android_native_app_glue.c, which starts a thread in which
-        // android_main() from lo-bootstrap.c is called.
-
-        // android_main() calls the lo_main() defined in sal/main.h
-        // through the function pointer passed to setup() above, with
-        // the argc and argv also saved from the setup() call.
-        super.onCreate(savedInstanceState);
-    }
-
     // Now with static loading we always have all native code in one native
     // library which we always call liblo-native-code.so, regardless of the
     // app. The library has already been unpacked into /data/data/<app
@@ -246,4 +151,5 @@ public class Bootstrap extends NativeActivity
         System.loadLibrary("lo-native-code");
     }
 }
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */