当我初始化BLE扫描时,使用以下代码(在前台,运行Android 8.1.0的Nokia 1时),我能够成功查看所有设备:
object = newlyCreatedThing
但是,一旦我修改了过滤器列表(例如第2至4行),就这样:
<mat-card>
<mat-spinner *ngIf="isLoading"></mat-spinner>
<form [formGroup]="form" (submit)="onLogin()" *ngIf="!isLoading">
<mat-form-field>
<input matInput type="email" formControlName="email" placeholder="Email">
<mat-error *ngIf="form.get('email').invalid">Please enter a valid email.</mat-error>
</mat-form-field>
<mat-form-field>
<input matInput type="password" formControlName="password" placeholder="Password">
<mat-error *ngIf="form.get('password').invalid">Please enter a valid password.</mat-error>
</mat-form-field>
<mat-action-row>
<!-- NOT COLORED-->
<button mat-raised-button type="submit" color="warn">Login</button>
</mat-action-row>
</form>
<!-- COLORED-->
<button mat-raised-button type="submit" color="warn">Login</button>
</mat-card>
我再也看不到任何东西了。对这里可能发生的事情有任何想法吗?