CODEWITHSUNDEEP
androidandroid-camera
Archie.bpgc
Archie.bpgc

Reputation: 24012

Android: Fail to connect to camera service at Camera.open();

There are many questions similar to this, but none helped me:

my manifest file is:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.android.cameraapi"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="10" />

    <uses-feature android:name="android.hardware.camera" />
    <uses-feature android:name="android.hardware.camera.autofocus" />

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".CameraAPIActivity"
            android:label="@string/app_name"
            android:screenOrientation="landscape" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

my Activity class is:

public class CameraAPIActivity extends Activity {
    private Camera myCamera = null;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        if (checkCameraHardware(this)) {

            try {

                myCamera = Camera.open();
            } catch (Exception e) {

                //Here i get the Exception:  Failed to connect to camera service
            }
        }
}

private boolean checkCameraHardware(Context context) {
    if (context.getPackageManager().hasSystemFeature(
            PackageManager.FEATURE_CAMERA)) {
        // this device has a camera
        return true;
    } else {
        // no camera on this device
        return false;
    }
}

i get the Exception at the line

myCamera = Camera.open();

Thank You

Upvotes: 5

Views: 33668

Answers (4)

Peter Miller
Peter Miller

Reputation: 1

You imported the wrong camera class at the top of your source file (I sink that), which is android.graphics.Camera.

You need android.hardware.Camera instead.

After:

myCamera = Camera.open(); - start working.

Upvotes: 0

Royston Pinto
Royston Pinto

Reputation: 6716

You will need to add the following

private Preview mPreview;      // Global variable
mPreview = new Preview(this);  // onCreate()
setContentView(mPreview);      // onCreate()

Hope this helps!

Upvotes: 2

Aamir Shah
Aamir Shah

Reputation: 4493

If you want to take a pic from camera use 

Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);`

also add this function

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == CAMERA_REQUEST) {
        photo = (Bitmap) data.getExtras().get("data");
        imageView.setImageBitmap(photo);
    }
}

imageView is the View where you may want to set that captured image.

Upvotes: -4

Archie.bpgc
Archie.bpgc

Reputation: 24012

Forgot to add

myCamera.release();

in my code. hence it works for the first time i launch the application. When i re-launch it the Camera service is not available.

Upvotes: 14

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