“在此代码中:它抛出
无法识别启动活动:未找到默认活动
“错误? 请解决这个问题“
.QRadioButton {
font-weight: normal;
background-color: #FFFFFF;
}
.QRadioButton:checked {
font-weight: bold;
background-color: #AA0000;
}
答案 0 :(得分:1)
试试这个:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.sudeep.loginactivity">
<!-- To auto-complete the email text field in the login form with the user's emails -->
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.READ_PROFILE" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name="com.example.sudeep.LoginActivity" <!-- added package path -->
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>