android/testData/projects/navigationEditor/transitionDerivation/src/com/example/transitionderivation/MainActivity.java

package com.example.transitionderivation;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;


public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MainActivity.this.startActivity(new Intent(MainActivity.this, Activity4.class));
            }
        });
    }


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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        if (id == R.id.action_settings) {
            return true;
        }

        switch (id) {
            case R.id.action1:
                startActivity(new Intent(this, Activity3.class));
                return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        boolean result = super.onPrepareOptionsMenu(menu);
        menu.findItem(R.id.action1).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem menuItem) {
                MainActivity.this.startActivity(new Intent(MainActivity.this, Activity2.class));
                return true;
            }
        });
        return result;
    }
}