应用程序无法启动:应用程序未安装错误

我正在构建一个具有系统级权限的应用程序,并获得了移动制造商的签名。

生成的签名apk正在安装中,但当我尝试从菜单打开应用程序时,它表示应用程序未安装。

下面是应用程序的清单文件。欢迎提出任何建议

<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.mjawaid.nwlogger"
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:sharedUserId="android.uid.system">

<!-- <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/> -->
<!-- <uses-permission android:name="android.permission.WRITE_SETTINGS"/> -->
<!-- <uses-permission android:name="android.permission.CONNECTIVITY_INTERNAL"/>
<uses-permission android:name="android.permission.MODIFY_PHONE_STATE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> -->

<!--<uses-feature android:name="android.hardware.telephony">
</uses-feature> -->

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme"
    android:sharedUserId="android.uid.system">
    <activity
        android:name="com.mjawaid.nwlogger.MainActivity"
        android:exported="false">
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>
    <activity android:name="com.mjawaid.nwlogger.NWOptionsActivity"/>
    <activity android:name="com.mjawaid.nwlogger.helper.silentlog.SilentLogSprdOption">
    </activity>
</application>

下面是应用程序版本。gradle,如果这有帮助的话。

apply plugin: 'com.android.application' 
android {
compileSdkVersion 27
signingConfigs {
    config {
        storeFile file("test.keystore")
        storePassword "xxxxxx"
        keyAlias "xxxxxx"
        keyPassword "xxxxxx"
    }
}

defaultConfig {
    applicationId "com.mjawaid.nwlogger"
    minSdkVersion 22
    targetSdkVersion 27
    versionCode 1
    versionName "1.0"
    signingConfig signingConfigs.config
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}

buildTypes {
    release {
        debuggable false
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        signingConfig signingConfigs.config
        android.applicationVariants.all { variant ->
            variant.outputs.all {
                outputFileName = "NWLogger-vRel.apk"
            }
        }

        /*applicationVariants.all { variant ->
            variant.outputs.each { output ->
                output.outputFileName = new File(output.outputFileName.parent,
                        output.outputFileName.name.replace("app-release", "NWLogger")
                        //for Debug use output.outputFile = new File(output.outputFile.parent,
                        //                             output.outputFile.name.replace("-debug", "-" + formattedDate)
                )
            }
        }*/
    }
    debug {
        debuggable false
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        signingConfig signingConfigs.config

        android.applicationVariants.all { variant ->
            variant.outputs.all {
                outputFileName = "NWLogger-vDebug.apk"
            }
        }

        /*applicationVariants.all { variant ->
            variant.outputs.each { output ->
                output.outputFileName = new File(output.outputFileName.parent,
                        output.outputFileName.name.replace("app-debug", "BTStabilityTest")
                        //for Debug use output.outputFile = new File(output.outputFile.parent,
                        //                             output.outputFile.name.replace("-debug", "-" + formattedDate)
                )
            }
        }*/
    }
}
dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.0.2'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
}
}