基于Android物联网应用程序设计与实现是对应目前的物联网,家居,冰箱,电视,空调,台灯,智能锁等连接应用
100套安卓(Android)毕业设计(带论文)、大作业、现成原创作品(Android Studio)Android毕业设计项目,源码+论文_android大作业加源码-CSDN博客
1,主要包含的功能有,注册登录,设备信息,使用统计,我的功能等
2,添加设备,连接,启用设备等
登录页面代码如下:
public class LoginActivity extends BaseActivity {
@BindView(R.id.input_name)
EditText inputName;
@BindView(R.id.input_password)
EditText inputPassword;
@BindView(R.id.btn_login)
AppCompatTextView btnLogin;
@BindView(R.id.btn_register)
AppCompatTextView btnRegister;
@Override
protected int getLayoutId() {
return R.layout.activity_login;
}
@Override
protected void init() {
}
@OnClick({R.id.btn_login, R.id.btn_register})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.btn_login:
Login();
break;
case R.id.btn_register:
showActivity(LoginActivity.this, RegisterActivity.class);
break;
}
}
private void Login() {
String name = inputName.getText().toString();
String pwd = inputPassword.getText().toString();
if (TextUtils.isEmpty(name)) {
showToast("请输入用户名");
return;
}
if (TextUtils.isEmpty(pwd)) {
showToast("请输入密码");
return;
}
int i = SqliteDBUtils.getInstance(getApplicationContext()).Quer(pwd, name);
if (i == 1) {
MyApplication.getInstance().userBean = SqliteDBUtils.getInstance(getApplicationContext()).select(name);
Log.e("用户信息", MyApplication.getInstance().userBean.toString());
startActivity(new Intent(LoginActivity.this, MainActivity.class));
finish();
return;
} else if (i == 0) {
showToast("账号不存在");
return;
} else {
showToast("登录失败,请检查输入信息是否正确");
}
}
@Override
public void onMessageEvent(EventMessage event) {
super.onMessageEvent(event);
}
}
主页面
代码如下:
package com.project.pictrue;
import androidx.fragment.app.Fragment;
import android.view.KeyEvent;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;
import com.project.pictrue.adapter.MainPagerAdapter;
import com.project.pictrue.base.BaseActivity;
import com.project.pictrue.fragment.HomeFragment;
import com.project.pictrue.fragment.TabMineFragment;
import com.project.pictrue.widget.NoScrollViewPager;
import java.util.ArrayList;
import java.util.List;
import butterknife.BindView;
public class MainActivity extends BaseActivity implements RadioGroup.OnCheckedChangeListener {
@BindView(R.id.main_pager)
NoScrollViewPager mainPager;
@BindView(R.id.tab_home)
RadioButton tabHome;
@BindView(R.id.tab_dynamic)
RadioButton tabDynamic;
@BindView(R.id.tab_rank)
RadioButton tabRank;
@BindView(R.id.tab_me)
RadioButton tabMe;
@BindView(R.id.radioGroup)
RadioGroup radioGroup;
private boolean isStartLogin;
private long clickTime;
@Override
protected int getLayoutId() {
return R.layout.activity_main;
}
@Override
protected void init() {
List<Fragment> fragments = new ArrayList<>();
fragments.add(new HomeFragment());
fragments.add(new HomeFragment());
fragments.add(new TabMineFragment());
MainPagerAdapter adapter = new MainPagerAdapter(getSupportFragmentManager(), fragments);
mainPager.setOffscreenPageLimit(3);
mainPager.setAdapter(adapter);
radioGroup.setOnCheckedChangeListener(this);
}
@Override
public void onCheckedChanged(RadioGroup radioGroup, int i) {
switch (i) {
case R.id.tab_home:
mainPager.setCurrentItem(0, false);
break;
case R.id.tab_dynamic:
mainPager.setCurrentItem(1, false);
break;
case R.id.tab_rank:
mainPager.setCurrentItem(1, false);
break;
case R.id.tab_me:
mainPager.setCurrentItem(2, false);
break;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
exit();
return true;
} else {
return super.onKeyDown(keyCode, event);
}
}
private void exit() {
if ((System.currentTimeMillis() - clickTime) > 2000) {
Toast.makeText(this, "再按一次后退键退出程序", Toast.LENGTH_SHORT).show();
clickTime = System.currentTimeMillis();
} else {
try {
//正常退出
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(0);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}