README.md

Camera

Use Android camera to take pictures and videos, based on camera2 api.

Features

• Auto filled CameraView for previewing
• Support both image capture & video record
• Configurable audio/video size and aspect ratio, auto focus, tap to focus, flash control, pinch to zoom, etc.

Gradle

dependencies {
    implementation 'com.github.duanhong169:camera:${latestVersion}'
    ...
}

Replace ${latestVersion} with the latest version code. See releases.

Usage

• Add CameraView into your layout xml:

<top.defaults.camera.CameraView
    android:id="@+id/preview"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    app:mode="video"
    app:aspectRatio="4:3"
    app:autoFocus="true"
    app:facing="back"
    app:fillSpace="false"
    app:flash="auto"
    app:pinchToZoom="false"
    app:showFocusIndicator="true"/>

See top_defaults_camera_attrs.xml for all supported attributes.

• Create a Photographer with the CameraView:

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    // ...

    CameraView preview = findViewById(R.id.preview);
    photographer = PhotographerFactory.createPhotographerWithCamera2(this, preview);
    
    // ...
}

• Implement and set Photographer.OnEventListener to receive events from the camera:

    photographer.setOnEventListener(new SimpleOnEventListener() {
        @Override
        public void onDeviceConfigured() {}

        @Override
        public void onPreviewStarted() {}

        @Override
        public void onZoomChanged(float zoom) {}

        @Override
        public void onPreviewStopped() {}

        @Override
        public void onStartRecording() {}

        @Override
        public void onFinishRecording(String filePath) {}

        @Override
        public void onShotFinished(String filePath) {}

        @Override
        public void onError(Error error) {}
    });

• Start/stop preview in onResume()/onPause():

    @Override
    protected void onResume() {
        super.onResume();
        photographer.startPreview();
    }

    @Override
    protected void onPause() {
        photographer.stopPreview();
        super.onPause();
    }

• PhotographerHelper is your friend:

photographerHelper = new PhotographerHelper(photographer); // init with photographer
photographerHelper.setFileDir(Commons.MEDIA_DIR); // set directory for image/video saving
photographerHelper.flip(); // flip back/front camera
photographerHelper.switchMode(); // switch between image capture/video record

See a complete usage in the app sample code.

Credits

• google/cameraview
• googlesamples/android-Camera2Basic
• googlesamples/android-Camera2Video

License

See the LICENSE file.