src/com/projectara/araepm/MainActivity.java

package com.projectara.araepm;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.hardware.I2cManager;
import android.hardware.I2cTransaction;
import java.io.IOException;
import android.os.Handler;
import android.util.Log;

public class MainActivity extends Activity {

    private static final String TAG = "araepm";
    private DME dme = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    protected void onStart(){
        Log.d(TAG, "onstart");
        super.onStart();
        I2cManager i2c = (I2cManager) getSystemService(I2C_SERVICE);
        dme = new DME(i2c);
    }

    @Override
    protected void onStop() {
        Log.d(TAG, "onstop");
    	super.onStop();
    }

    public void attachEpm(View view) {
        int rc;
        Log.d(TAG, "EPM attach button pressed");
        try {
            dme.writeDMEConfig(0,
                               true,
                               DME.AttributeId.DME_MAILBOX,
                               0,
                               1,
                               0);
        } catch (IOException e) {
            return;
        }
    }

    public void detachEpm(View view) {
        int rc;
        Log.d(TAG, "EPM detach button pressed");
        try {
            dme.writeDMEConfig(0, true,
                               DME.AttributeId.DME_MAILBOX,
                               0,
                               2,
                               0);
        } catch (IOException e) {
            return;
        }
    }
}