glumes

 /**
     * 十六进制字符串转换为字节数组
     *
     * @param paramString
     * @return
     */
    public static byte[] hexStringToByte(String paramString) {
        int j = paramString.length();
        byte[] arrayOfByte = new byte[j / 2];

glumes

    //Override in your touch-enabled view (this can be differen than the view you use for displaying the cam preview)
    @Override
    public boolean onTouch(View view, MotionEvent motionEvent) {
        final int actionMasked = motionEvent.getActionMasked();
        if (actionMasked != MotionEvent.ACTION_DOWN) {
            return false;
        }
        if (mManualFocusEngaged) {
            Log.d(TAG, "Manual focus already engaged");
            return true;

glumes

public class PermissionsUtils {

    /**
     * 检测权限
     *
     * @return true：已授权； false：未授权；
     */
    public static boolean checkPermission(Context context, String permission) {
        if (ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED)

glumes

ext {
    kotlin_version = '1.2.70'
    minSdkVersion = 22
    compileSdkVersion = 26
    targetSdkVersion = 26

    supportLibraryVersion = "26.1.0"
    constraintLayoutVersion = "1.1.3"

    // Jetpack 相关