我正在使用OpenCV4Android 3.0.0版。我试图通过OpenCV lib访问相机,实际上我设法打开它。但我目前面临的问题是,当我创建一个新项目并导入OpenCV lib我不能使用相机,我收到以下消息时,我运行的应用程序 尽管权限已添加到清单文件中,如下所示
请告诉我运行相机的错误?
注意 我有几个项目与OpenCV导入和相机与这些项目工作正常...我面临的问题发生在今天我创建一个新项目
错误消息
清单:
<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera" android:required="false"/>
<uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
<uses-feature android:name="android.hardware.camera.front" android:required="false"/>
<uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
OpenCVLibrary300 :
apply plugin: 'com.android.library'
android {
compileSdkVersion 24
buildToolsVersion "24.0.3"
defaultConfig {
minSdkVersion 19
targetSdkVersion 24
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
}
}
}
的build.gradle :
apply plugin: 'com.android.application'
android {
compileSdkVersion 24
buildToolsVersion "24.0.3"
defaultConfig {
applicationId "com.example.edgedetectionlaplace_03"
minSdkVersion 19
targetSdkVersion 24
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:24.2.1'
testCompile 'junit:junit:4.12'
compile project(':openCVLibrary300')
}
答案 0 :(得分:1)
你已经把这个
了<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera" android:required="false"/>
<uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
<uses-feature android:name="android.hardware.camera.front" android:required="false"/>
<uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/>
现在试试这个:
Settings -> Apps -> Your app -> Permissions and enabling the Camera permission ?
然后像Qadir Hussain说的那样
kill any other apps that are using the camera.
如果无效,请检查您的设计是否与您的lib兼容。