T

定义属性

Toolbar的一些基本操作
public class MainActivity extends AppCompatActivity {

private Toolbar toobar;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
     toobar = findViewById(R.id.toobar);

    toobar.setTitle("主标题");
     toobar.setTitleTextColor(Color.RED);
      toobar.setSubtitleTextColor(Color.BLUE);
    toobar.setNavigationIcon(R.mipmap.ic_launcher);
     toobar.setSubtitle("子标题");
     toobar.inflateMenu(R.menu.tobar);
     toobar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
         @Override
         public boolean onMenuItemClick(MenuItem item) {
             switch (item.getItemId()){
                 case R.id.i1:
                     Toast.makeText(MainActivity.this, "1", Toast.LENGTH_SHORT).show();
                     break;
                 case R.id.i2:
                     Toast.makeText(MainActivity.this, "2", Toast.LENGTH_SHORT).show();
                     break;
                 case R.id.i3:
                     Toast.makeText(MainActivity.this, "3", Toast.LENGTH_SHORT).show();
                     break;
             }
             return true;
         }
     });
}

}