SDLPAL/android/app/src/main/java/io/github/sdlpal/MainActivity.java

package io.github.sdlpal;

import android.content.Intent;
import android.os.*;
import android.support.v7.app.AppCompatActivity;
import java.io.*;

public class MainActivity extends AppCompatActivity {
    private static final String TAG = "sdlpal-debug";

    public static native void setAppPath(String basepath, String datapath, String cachepath);

    public static boolean crashed = false;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        System.loadLibrary("SDL2");
        System.loadLibrary("main");

        String dataPath = getApplicationContext().getFilesDir().getPath();
        String cachePath = getApplicationContext().getCacheDir().getPath();
        String sdcardState = Environment.getExternalStorageState();
        if (sdcardState.equals(Environment.MEDIA_MOUNTED)){
            setAppPath(Environment.getExternalStorageDirectory().getPath() + "/sdlpal/", dataPath, cachePath);
        } else {
            setAppPath("/sdcard/sdlpal/", dataPath, cachePath);
        }

        File runningFile = new File(cachePath + "/running");
        crashed = runningFile.exists();

        Intent intent;
        if (SettingsActivity.loadConfigFile() || crashed) {
            runningFile.delete();

            intent = new Intent(this, SettingsActivity.class);
        } else {
            intent = new Intent(this, PalActivity.class);
        }
        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(intent);
        finish();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
    }
}