| 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; |
| } |
| } |