super.onCreate(savedInstanceState);
setContentView(R.layout.about);
Toolbar toolBar= (Toolbar) findViewById(R.id.toolbar);
//toolBar.setLogo(R.mipmap.ic_launcher);//设置图标
toolBar.setTitle("关于软件");//设置主标题
setSupportActionBar(toolBar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
//close app
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
onBackPressed();
return true;
}
return super.onOptionsItemSelected(item);
}
图片发自简书App
