hlsdk-portable/android/src/in/celest/xash3d/InstallReceiver.java

package in.celest.xash3d;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.content.Intent;
import java.io.FileOutputStream;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Method;
import android.content.SharedPreferences;
import android.util.Log;

public class InstallReceiver extends BroadcastReceiver {
private static final String TAG = "MOD_LAUNCHER";
@Override
public void onReceive(Context context, Intent arg1) {
	String pkgname = arg1.getData().getEncodedSchemeSpecificPart();
	Log.d( TAG, "Install received, package " + pkgname );
	if( context.getPackageName().equals(pkgname) )
		extractPAK(context, true);
    }
	public static SharedPreferences mPref = null;
	private static final int PAK_VERSION = 2;
	private static int chmod(String path, int mode) {
			 int ret = -1;
			 try
			 {
			 ret = Runtime.getRuntime().exec("chmod " + Integer.toOctalString(mode) + " " + path).waitFor();
					 Log.d(TAG, "chmod " + Integer.toOctalString(mode) + " " + path + ": " + ret );
			 }
			 catch(Exception e)
			 {
					 ret = -1;
					 Log.d(TAG, "chmod: Runtime not worked: " + e.toString() );
			 }
			 try
			 {
			 Class fileUtils = Class.forName("android.os.FileUtils");
			 Method setPermissions = fileUtils.getMethod("setPermissions",
							 String.class, int.class, int.class, int.class);
			 ret = (Integer) setPermissions.invoke(null, path,
							 mode, -1, -1);
			 }
			 catch(Exception e)
			 {
					 ret = -1;
					 Log.d(TAG, "chmod: FileUtils not worked: " + e.toString() );
			 }
			 return ret;
	 }

	 private static void extractFile(Context context, String path) {
					 try
					 {
							 InputStream is = null;
							 FileOutputStream os = null;
							 is = context.getAssets().open(path);
							 File out = new File(context.getFilesDir().getPath()+'/'+path);
							 out.getParentFile().mkdirs();
							 chmod( out.getParent(), 0777 );
							 os = new FileOutputStream(out);
							 byte[] buffer = new byte[1024];
							 int length;
							 while ((length = is.read(buffer)) > 0) {
									 os.write(buffer, 0, length);
							 }
							 os.close();
							 is.close();
							 chmod( context.getFilesDir().getPath()+'/'+path, 0777 );
					 } catch( Exception e )
			 {
					 Log.e( TAG, "Failed to extract file:" + e.toString() );
					 e.printStackTrace();
			 }

	 }

	public static synchronized void extractPAK(Context context, Boolean force) {
		InputStream is = null;
		FileOutputStream os = null;
		try {
			if( mPref == null )
				mPref = context.getSharedPreferences("mod", 0);
			synchronized( mPref )
			{
				if( mPref.getInt( "pakversion", 0 ) == PAK_VERSION && !force )
					return;
				extractFile(context, "extras.pak");
				SharedPreferences.Editor editor = mPref.edit();
				editor.putInt( "pakversion", PAK_VERSION );
				editor.commit();
			}
		} catch( Exception e )
		{
			Log.e( TAG, "Failed to extract PAK:" + e.toString() );
		}
	}
}