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我已將相機集成到了我的應用程序中。當我在模擬器上運行時,下面的代碼工作正常,並且我在ADB中選擇了攝像頭作爲我的攝像頭。但是當我在像Nexus 7這樣的實際設備上運行時,我的應用程序無法檢測到相機。相機在這款平板電腦上獨立工作,但不在我的應用程序中。相機無法在實際設備上工作
CameraActivity.java
//I've imported hardware camera class
import android.hardware.Camera;
import android.hardware.Camera.CameraInfo;
// Some activity code
if (!getPackageManager().
hasSystemFeature(PackageManager.FEATURE_CAMERA)) { // Issue is coming from here.
Toast.makeText(this, "No camera on this device", Toast.LENGTH_LONG)
.show();
} else {
cameraId = findFrontFacingCamera();
if (cameraId < 0) {
Toast.makeText(this, "No front facing camera found.",
Toast.LENGTH_LONG).show();
} else {
camera = Camera.open(cameraId);
}
}
Mainfest.xml
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
</uses-permission>
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />