TunnelDetailActivity.java

package net.i2p.android.i2ptunnel;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.widget.Toolbar;
import android.view.View;

import net.i2p.android.I2PActivityBase;
import net.i2p.android.i2ptunnel.preferences.EditTunnelActivity;
import net.i2p.android.router.R;

public class TunnelDetailActivity extends I2PActivityBase implements
        TunnelDetailFragment.TunnelDetailListener {
    private boolean transitionReversed;

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

        if (savedInstanceState == null) {
            int tunnelId = getIntent().getIntExtra(TunnelDetailFragment.TUNNEL_ID, 0);
            TunnelDetailFragment detailFrag = TunnelDetailFragment.newInstance(tunnelId);
            getSupportFragmentManager().beginTransaction()
                    .add(android.R.id.content, detailFrag).commit();
        }
    }

    @Override
    public void onStart() {
        super.onStart();
        Toolbar toolbar = (Toolbar) findViewById(R.id.detail_toolbar);
        toolbar.setNavigationIcon(getResources().getDrawable(R.drawable.ic_arrow_back_white_24dp));
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onBackPressed();
            }
        });
    }

    @Override
    public void finish() {
        if (transitionReversed)
            super.finish();
        else {
            transitionReversed = true;
            ActivityCompat.finishAfterTransition(this);
        }
    }

    // TunnelDetailFragment.TunnelDetailListener

    @Override
    public void onEditTunnel(int tunnelId) {
        Intent editIntent = new Intent(this, EditTunnelActivity.class);
        editIntent.putExtra(TunnelDetailFragment.TUNNEL_ID, tunnelId);
        startActivity(editIntent);
    }

    public void onTunnelDeleted(int tunnelId, int numTunnelsLeft) {
        finish();
    }
}