Example usage for android.content.pm PackageManager FEATURE_CAMERA_FLASH

Introduction

In this page you can find the example usage for android.content.pm PackageManager FEATURE_CAMERA_FLASH.

Prototype

String FEATURE_CAMERA_FLASH

To view the source code for android.content.pm PackageManager FEATURE_CAMERA_FLASH.

Click Source Link

Document

Feature for #getSystemAvailableFeatures and #hasSystemFeature : The device's camera supports flash.

Usage

From source file:org.protocoderrunner.apprunner.api.PDevice.java

@ProtoMethod(description = "Check if the device has camera flash", example = "")
public boolean hasCameraFlash() {
    PackageManager pm = getContext().getPackageManager();
    return pm.hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
}

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From source file:com.czh.testmpeg.videorecord.CameraActivity.java

public void setFlashMode(String mode) {
    try {/*from   w w  w .  j  av  a2 s.  com*/
        if (getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH) && mCamera != null
                && !cameraFront) {

            mPreview.setFlashMode(mode);
            mPreview.refreshCamera(mCamera);

        }
    } catch (Exception e) {
        e.printStackTrace();
        Toast.makeText(getApplicationContext(), R.string.changing_flashLight_mode, Toast.LENGTH_SHORT).show();
    }
}

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From source file:org.durka.hallmonitor.CoreStateManager.java

public boolean getDeviceHasFlash() {
    deviceHasFlash = mAppContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
    return deviceHasFlash;
}

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From source file:org.uguess.android.sysinfo.SiragonManager.java

private boolean getAvailableFlash() {
    if (PackageManager.FEATURE_CAMERA_FLASH != null) {
        return true;
    }
    return false;
}

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From source file:com.android.launcher3.Utilities.java

public static void turnOnFlashLight(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        CameraManager camManager = (CameraManager) context.getApplicationContext()
                .getSystemService(Context.CAMERA_SERVICE);
        String cameraId = null;//from  ww  w . java2s  .  c  om
        try {
            cameraId = camManager.getCameraIdList()[0];
            camManager.setTorchMode(cameraId, true);
            isFlashLightOn = true;
        } catch (CameraAccessException e) {
            isFlashLightOn = false;
            e.printStackTrace();
        }
    } else {
        try {
            if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
                Camera cam = Camera.open();
                Camera.Parameters p = cam.getParameters();
                p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
                cam.setParameters(p);
                cam.startPreview();
                isFlashLightOn = true;
            }
        } catch (Exception e) {
            e.printStackTrace();
            isFlashLightOn = false;
        }
    }
}

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From source file:com.android.launcher3.Utilities.java

public static void turnOffFlashLight(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        CameraManager camManager = (CameraManager) context.getApplicationContext()
                .getSystemService(Context.CAMERA_SERVICE);
        String cameraId = null;/*from   w ww . j  a  v  a2  s.c  om*/
        try {
            cameraId = camManager.getCameraIdList()[0];
            camManager.setTorchMode(cameraId, false);
            isFlashLightOn = false;
        } catch (CameraAccessException e) {
            isFlashLightOn = true;
            e.printStackTrace();
        }
    } else {
        try {
            if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
                cam.stopPreview();
                cam.release();
                cam = null;
                isFlashLightOn = false;
            }
        } catch (Exception e) {
            isFlashLightOn = true;
            e.printStackTrace();
        }
    }
}

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From source file:com.simadanesh.isatis.ScreenSlideActivity.java

private void switchFlash() {
    boolean hasFlash = getApplicationContext().getPackageManager()
            .hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
    if (!hasFlash) {
        // device doesn't support flash
        // Show alert message and close the application
        AlertDialog alert = new AlertDialog.Builder(this).create();
        alert.setTitle("Error");
        alert.setMessage("Sorry, your device doesn't support flash light!");
        alert.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
            }/*  ww w  .ja  v a  2  s  .com*/
        });
        alert.show();
        return;
    }
    if (isFlashOn) {
        // turn off flash
        turnOffFlash();
    } else {
        // turn on flash
        turnOnFlash();
    }

}

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