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.

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Document

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

Usage

From source file:Main.java

public static boolean isFlashSupported(PackageManager packageManager) {
    // if device support camera flash?
    if (packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        return true;
    }/*ww  w .java 2  s  .c o  m*/
    return false;
}

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From source file:Main.java

private static boolean isFlashSupported(Context context) {
    PackageManager pm = context.getPackageManager();
    return pm.hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
}

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From source file:Main.java

public static boolean isFlashAvailable(Context context) {
    return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
}

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From source file:Main.java

public static boolean hasFlash(Context con) {
    if (mHasFlash != null)
        return mHasFlash;

    try {/*  w w w  .jav a 2  s . com*/
        PackageManager pm = con.getPackageManager();
        mHasFlash = pm.hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
        return mHasFlash;
    } catch (Throwable t) {
        mHasFlash = null;
        return false;
    }
}

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From source file:Main.java

public static boolean flashLightAvailable(Context context) {
    boolean available = false;
    do {//from w  ww . j av a 2 s .co m
        if (null == context) {
            break;
        }

        available = context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
    } while (false);
    return available;
}

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From source file:Main.java

public static boolean isFlashSupported(Context context) {
    PackageManager packageManager = context.getPackageManager();
    // if device support camera flash?
    if (packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        return true;
    }/*from   w  w w  .  ja v a2  s  .com*/
    return false;
}

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From source file:Main.java

public static void turnOnFlash(Context context, Camera camera, int currentCameraId) {
    if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        Parameters params = camera.getParameters();
        params.setFlashMode(Parameters.FLASH_MODE_TORCH);
        camera.setParameters(params);/*from  w w  w  . jav  a2s  .c  om*/
    }
}

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From source file:Main.java

public static void turnOffFlash(Context context, Camera camera, int currentCameraId) {
    if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
        Parameters params = camera.getParameters();
        params.setFlashMode(Parameters.FLASH_MODE_OFF);
        camera.setParameters(params);/*from w  w w.  j ava  2 s  .  c  o  m*/
    }
}

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From source file:Main.java

public static boolean isCameraFlashEnable(Context context) {
    PackageManager pm = (PackageManager) context.getPackageManager();
    FeatureInfo[] features = pm.getSystemAvailableFeatures();
    for (FeatureInfo f : features) {
        if (PackageManager.FEATURE_CAMERA_FLASH.equals(f.name)) {
            return true;
        }//from ww w.  j  av  a2  s  . c  o m
    }
    return false;
}

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From source file:Main.java

/**
 * Checks if the device has a camera flash
 *
 * @param context the context// w  w w  . ja  va 2  s  .c o m
 * @return true if camera flash is available
 */
public static boolean hasCameraFlash(@NonNull Context context, @NonNull Camera camera) {
    boolean hasFlash = context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);
    try {
        Camera.Parameters p;

        if (hasFlash) {
            p = camera.getParameters();
            if (p.getSupportedFlashModes() == null) {
                hasFlash = false;
            } else {
                if (p.getSupportedFlashModes().size() == 1 && p.getSupportedFlashModes().get(0).equals("off")) {
                    hasFlash = false;
                }
            }
        }
    } finally {
        camera.release();
    }
    return hasFlash;
}

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