package com.example.myexamproject; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; import androidx.appcompat.app.AppCompatActivity; public class PersonalCenterActivity extends AppCompatActivity implements View.OnClickListener { TextView TvStuNumber; private Button btn_logout; @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_personal_center); btn_logout = findViewById(R.id.btn_logout); btn_logout.setOnClickListener(this); //取出登录时的登录名 TvStuNumber = findViewById(R.id.tv_student_number); String StuNumber = this.getIntent().getStringExtra("username1"); TvStuNumber.setText(StuNumber); //返回主界面 Button btnBack = findViewById(R.id.bt_back); btnBack.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { finish(); } }); //点击个人信息按钮 Button btnUserInfo = findViewById(R.id.btn_user_info); btnUserInfo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(getApplicationContext(),MyIFActivity.class); Bundle bundle = new Bundle(); bundle.putString("stu_number1",TvStuNumber.getText().toString()); intent.putExtras(bundle); startActivity(intent); } }); } @Override public void onClick(View v) { switch (v.getId()){ case R.id.btn_logout: Intent intent_insert = new Intent(); intent_insert.setClass(PersonalCenterActivity.this, BackActivity.class); startActivity(intent_insert); break; } } }