第二次进入欢迎界面不显示

来源：互联网发布：淘宝女士冬季鞋款编辑：程序博客网时间：2024/05/16 00:34

MainActivity

public class MainActivity extends AppCompatActivity {    private SharedPreferences sha;    private SharedPreferences.Editor editor;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        sha = getSharedPreferences("quzhi", MODE_PRIVATE);        editor = sha.edit();        //取值        boolean yy = sha.getBoolean("yy", false);        if (yy)        {            Intent intent=new Intent(MainActivity.this,Second_Activity.class);            startActivity(intent);        }        new Handler().postDelayed(new Runnable() {            @Override            public void run() {                //SharedPreferences存值                editor.putBoolean("yy",true);                editor.commit();                Intent intent=new Intent(MainActivity.this,Second_Activity.class);                startActivity(intent);            }        },3000);    }}

阅读全文

0 0